A method for adjusting the formula of trace element fertilizer based on the requirements of saline-alkali land improvement

Abstract

The present application discloses a method for adjusting the formula of trace element fertilizer based on the requirements of saline-alkali land improvement, including obtaining the components of saline-alkali substances in different regions of the saline-alkali land and obtaining the regional saline-alkali substance content of the saline-alkali land; based on the regional saline-alkali substance content, obtaining the periodic trace element fertilizer formula; obtaining the regional saline-alkali substance content after applying the trace element fertilizer with the periodic trace element fertilizer formula to obtain the saline-alkali substance consumption equation; obtaining the saline-alkali land improvement cycle target and the saline-alkali substance consumption equation to obtain the trace element fertilizer formula for the next improvement cycle; based on the mutated saline-alkali substance content caused by the environment and the saline-alkali land improvement cycle target, obtaining the trace element fertilizer formula under the action of the environment. It solves the problem that the trace element fertilizer in the prior art is difficult to be adjusted in real time and reasonably, and realizes the improvement of the saline-alkali land improvement effect based on the precise adjustment of the trace element fertilizer.

Description

Technical Field

[0001] This application belongs to the technical field of smart agriculture. Specifically, it belongs to a method for adjusting the formula of trace element fertilizers based on the requirements of saline-alkali land improvement. Background Art

[0002] In the improvement of saline-alkali land, the current common methods are the combined application of microbial agent application and crop cultivation to improve the improvement speed of saline-alkali land. Among them, there are relatively serious problems in the current crop cultivation method. One is that it is highly empirical, and cultivation is only based on old experience in the improvement of saline-alkali land. The other is that the application of fertilizers in crop cultivation exceeds the limit, resulting in the excessive fertilizers applied exacerbating the salinization of the land. Since these two problems are difficult to directly eliminate, one method currently adopted is to enhance the management level of the application amount of trace element fertilizers. Thus, by reasonably applying trace element fertilizers, the planted crops can have better growth and the improvement speed of saline-alkali land can be increased. Regarding the formula adjustment work of trace element fertilizers, there are currently mainly problems such as unreasonable adjustment of the application amount of fertilizers and inaccurate control of the application amount, resulting in trace element fertilizers being difficult to play their due role in promoting the improvement of saline-alkali land.

[0003] Therefore, how to adjust the formula of trace element fertilizers in real time and reasonably in the improvement of saline-alkali land is a technical problem that needs to be urgently solved by those skilled in the art. Summary of the Invention

[0004] In order to solve the problem that the formula adjustment of trace element fertilizers in the improvement of saline-alkali land in the prior art is not real-time and reasonable, resulting in difficulty in improving saline-alkali land based on trace element fertilizers, the present application discloses the following technical solutions, including:

[0005] A method for adjusting the formula of trace element fertilizers based on the requirements of saline-alkali land improvement, the formula adjustment method includes:

[0006] Obtain the saline-alkali substances components in different regions of the saline-alkali land, and obtain the regional saline-alkali substances content of the saline-alkali land;

[0007] Based on the regional saline-alkali substances content, obtain the periodic trace element fertilizer formula;

[0008] After obtaining the trace element fertilizers applying the periodic trace element fertilizer formula, obtain the regional saline-alkali substances content, and obtain the saline-alkali substances consumption equation;

[0009] Obtain the saline-alkali land improvement cycle target and the saline-alkali substances consumption equation to obtain the trace element fertilizer formula for the next improvement cycle;

[0010] Obtain the environmental change parameters of the saline-alkali land, and based on the environmental change parameters, obtain the saline-alkali substances content of the saline-alkali land to obtain the mutant saline-alkali substances content;

[0011] Based on the content of the mutated saline-alkali substances and the target of the saline-alkali land improvement cycle, obtain the formula of trace element fertilizer under the action of the environment.

[0012] Optionally, the obtaining of the saline-alkali substance components in different regions of the saline-alkali land and obtaining the regional saline-alkali substance content of the saline-alkali land includes:

[0013] Uniformly lay saline-alkali substance detection devices on the saline-alkali land to detect the components of saline-alkali substances in the saline-alkali land in real time;

[0014] Designate the regions where the deviation degree of the saline-alkali substance components is not higher than the preset deviation degree as the same partition region;

[0015] Obtain the average value of the saline-alkali substance components in the same partition region to obtain the saline-alkali substance content of the same partition region;

[0016] Mark the saline-alkali substance content of all the same partition regions to obtain the regional saline-alkali substance content of the saline-alkali land;

[0017] It also includes:

[0018] Uniformly set trace element fertilizer dispensers in the same partition region to dispense trace element fertilizers for saline-alkali land improvement.

[0019] Optionally, the obtaining of the periodic trace element fertilizer formula based on the saline-alkali substance content includes:

[0020] Based on the regional saline-alkali substance content, obtain the regional saline-alkali substance category;

[0021] Obtain the saline-alkali substance content corresponding to the regional saline-alkali substance category and obtain the proportion of the saline-alkali substance content to obtain the saline-alkali substance ratio;

[0022] Based on the regional saline-alkali substance ratio and the regional saline-alkali substance category, obtain suitable planted crops;

[0023] Based on the suitable planted crops, obtain the periodic trace element fertilizer formula.

[0024] Optionally, the obtaining of the periodic trace element fertilizer formula based on the suitable planted crops includes:

[0025] Obtain the consumption rate of the suitable planted crops in the same partition region for the saline-alkali substances to obtain the improvement speed of the trace element fertilizer formula;

[0026] Obtain the growth promotion effects of different trace element fertilizers in the trace element fertilizer formula with the highest improvement speed of the trace element fertilizer on the suitable crops to be planted, and obtain the improvement speed of a single element;

[0027] Based on the improvement speed of the single element, adjust the trace element fertilizer formula to obtain a periodic trace element fertilizer formula.

[0028] Optionally, after obtaining the trace element fertilizer with the periodic trace element fertilizer formula applied, obtain the content of saline-alkali substances in the saline-alkali land to obtain a saline-alkali substance consumption equation, including:

[0029] Based on the periodic trace element fertilizer formula, use a trace element fertilizer dispenser to dispense trace element fertilizer to the trace element fertilizer dispensing coverage area;

[0030] Set the detection time of the trace element fertilizer dispensing coverage area, and obtain the content of saline-alkali substances in the trace element fertilizer dispensing coverage area to obtain the measured substance content;

[0031] Based on the measured substance content, obtain the saline-alkali substance consumption curve of the trace element fertilizer dispensing coverage area;

[0032] Based on the saline-alkali substance consumption curve of the trace element fertilizer dispensing coverage area, obtain the saline-alkali substance consumption equation under the action of the periodic trace element fertilizer formula.

[0033] Optionally, it further includes:

[0034] Obtain the content of saline-alkali substances at the starting time point and the ending time point during the saline-alkali land improvement period, and obtain the target consumption of saline-alkali substances;

[0035] Divide the trace element fertilizer adjustment time period during the saline-alkali land improvement period, and obtain the consumption of saline-alkali substances in each trace element fertilizer adjustment time period to obtain the target period consumption;

[0036] Based on the saline-alkali substance consumption equation, obtain the consumption of saline-alkali substances during the saline-alkali land improvement period to obtain the target time predicted consumption;

[0037] When the difference between the target period consumption and the target period predicted consumption is not lower than the preset consumption deviation value, adjust the periodic trace element fertilizer formula based on the improvement speed of a single element.

[0038] Optionally, obtaining the saline-alkali land improvement period target and the saline-alkali substance consumption equation to obtain the trace element fertilizer formula for the next improvement period includes:

[0039] Obtain the saline-alkali land improvement period target to obtain the target consumption of saline-alkali substances in the saline-alkali land during the improvement period;

[0040] Perform a numerical expansion process on the target consumption amount of the saline-alkali substances to obtain an expanded target consumption amount;

[0041] Based on the saline-alkali substance consumption equation and the expanded target consumption amount, obtain alternative trace element fertilizer formulas;

[0042] Obtain the growth cycle of the planted crops in the next improvement cycle, and obtain the trace element fertilizer requirements during the growth cycle;

[0043] Based on the trace element fertilizer requirements and the alternative trace element fertilizer formulas, obtain the trace element fertilizer formula for the next improvement cycle.

[0044] Optionally, it further includes:

[0045] Based on the growth history data of the planted crops, obtain the single-element improvement speed of the planted crops in different growth cycles to obtain the cycle single-element improvement speed;

[0046] Based on the cycle single-element improvement speed, adjust the trace element fertilizer formula for the next improvement cycle.

[0047] Optionally, the obtaining of the environmental change parameters of the saline-alkali land and based on the environmental change parameters, obtaining the saline-alkali substance content of the saline-alkali land to obtain the mutated saline-alkali substance content includes:

[0048] After the precipitation time of the saline-alkali land ends, obtain the saline-alkali substance content to obtain the mutated saline-alkali substance content;

[0049] Predict the environmental change parameters of the saline-alkali land, predict the precipitation amount of the saline-alkali land and the saline-alkali substance content in the rainwater, and predict the saline-alkali substance content after the precipitation time to obtain the mutated saline-alkali substance content caused by environmental changes.

[0050] Optionally, the obtaining of the trace element fertilizer formula under the action of the environment based on the mutated saline-alkali substance content and the saline-alkali land improvement cycle target includes:

[0051] Based on the mutated saline-alkali substance content, obtain the consumption value of the saline-alkali substance content;

[0052] Based on the consumption value of the saline-alkali substance content, obtain the trace element fertilizer formula under the action of the environment.

[0053] The beneficial effects of this application include:

[0054] 1. Realized real-time adjustment of the trace element fertilizer formula. The technical solution of this application adjusts the formula of the trace element fertilizer correspondingly according to the improvement target (periodic target) of the saline-alkali area and the application area of the trace elements. And this adjustment process obtains data in real time based on various sensors that have been set, and then adjusts the formula, thus realizing the real-time adjustment of the trace element fertilizer formula.

[0055] 2. Realized quantitative adjustment of the trace element fertilizer formula. In the technical solution of this application, an association between the trace element fertilizer and the consumption amount of saline-alkali substances in the saline-alkali land is established, and a corresponding equation is established between the two. Therefore, when adjusting the trace element fertilizer, based on the requirement for the consumption amount of saline-alkali substances and the corresponding equation, it is possible to realize the quantitative determination and adjustment of the amount of trace elements required to be input in the saline-alkali area.

[0056] 3. Realized consideration of weather influencing factors. In the technical solution of this application, the considered weather influencing factors do not simply analyze the dilution or enrichment effects that the weather conditions may cause on the trace element fertilizer, but analyze the impact of the weather on the planted crops, and then determine the input amount of the trace element fertilizer based on this factor, thereby making corresponding adjustments to the formula of the trace element fertilizer. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] In order to more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the following will briefly introduce the drawings required to be used in the embodiments of this application or the prior art. Obviously, the following descriptions are only some embodiments of this application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. The drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification, together with the following specific implementation manners, to explain the present disclosure, but do not constitute a limitation to the present disclosure. In the drawings:

[0058] Figure 1 It is a flowchart of a method for adjusting the trace element fertilizer formula based on the requirements of saline-alkali land improvement provided by an embodiment of this application;

[0059] Figure 2 It is a schematic diagram of a trace element fertilizer applicator in a method for adjusting the trace element fertilizer formula based on the requirements of saline-alkali land improvement provided by an embodiment of this application;

[0060] Figure 3 It is a curve graph of the consumption of saline-alkali substances in a method for adjusting the trace element fertilizer formula based on the requirements of saline-alkali land improvement provided by an embodiment of this application. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0061] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present application. In addition, in the embodiments of the present application, "first", "second", etc. are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence.

[0062] In the process of saline-alkali land improvement, one of the currently considered best solutions is the combination of microbial agent application + crop cultivation. Crop cultivation can even achieve better results. At the same time, it is found that the better the growth of crops, the better the improvement effect on saline-alkali land. However, in the process of crop cultivation and growth, trace elements will have a fundamental impact on the growth of crops. Therefore, in the specific cultivation process, the formula of trace element fertilizer needs to be adjusted accordingly. However, the effect of trace element fertilizer is affected by multiple factors at the same time. At present, this influencing factor has generally not been analyzed, but fertilization operations are directly carried out based on experience, resulting in an unreasonable formula of trace element fertilizer, a poor promotion effect on saline-alkali land improvement, and the failure to adjust the formula of trace element fertilizer in real time, as well as the failure to establish the relationship between the consumption of trace element fertilizer and saline-alkali substances. As a result, in the process of applying trace element fertilizer, only qualitative analysis of saline-alkali land improvement can be carried out, and it is difficult to carry out quantitative analysis of the application amount of trace element fertilizer.

[0063] In order to solve the problems existing in the prior art, the present application discloses a method for adjusting the formula of trace element fertilizer based on the requirements of saline-alkali land improvement, as Figure 1 shown, which is a flowchart of a method for adjusting the formula of trace element fertilizer based on the requirements of saline-alkali land improvement provided by the embodiments of the present application. Specifically:

[0064] S110. Obtain the saline-alkali substances components in different regions of the saline-alkali land, and obtain the regional saline-alkali substances content of the saline-alkali land.

[0065] S120. Based on the regional saline-alkali substances content, obtain the periodic trace element fertilizer formula.

[0066] S130. After applying the trace element fertilizer with the periodic trace element fertilizer formula, obtain the regional saline-alkali substances content, and obtain the saline-alkali substances consumption equation.

[0067] S140. Obtain the saline-alkali land improvement cycle target and the saline-alkali substances consumption equation to obtain the trace element fertilizer formula for the next improvement cycle.

[0068] S150. Obtain the environmental change parameters of the saline-alkali land, and based on the environmental change parameters, obtain the content of saline-alkali substances in the saline-alkali land to obtain the mutated saline-alkali substance content.

[0069] S160. Based on the mutated saline-alkali substance content and the target of the saline-alkali land improvement cycle, obtain the trace element fertilizer formula under the action of the environment.

[0070] The purpose of all the above steps is to realize the real-time and quantitative formula adjustment of the trace element fertilizer required in the improvement of the saline-alkali land. At the same time, it also considers the influence of the change of external environmental parameters on the improvement effect of the trace element fertilizer on the saline-alkali land, so as to further improve the role level of the trace element fertilizer in the process of improving the saline-alkali land.

[0071] Next, all the above steps will be specifically described. Specifically:

[0072] As described in step S110, the purpose of this step is to obtain the baseline value of saline-alkali substances in the saline-alkali area. At the same time, considering that the area of the saline-alkali area is usually large, and the content of saline-alkali substances in different areas often varies greatly due to different environments and sowing conditions, the saline-alkali land is divided into regions, so as to apply trace element fertilizers with different formulas to different saline-alkali regions to improve the improvement effect on saline-alkali land in different regions. Specifically:

[0073] S111. Uniformly lay saline-alkali substance detection devices on the saline-alkali land to detect the components of saline-alkali substances in the saline-alkali land in real time.

[0074] The purpose of this step is that when adjusting the trace element fertilizer formula based on the requirements of saline-alkali land improvement during the improvement of the saline-alkali land, it is obvious that the content of saline-alkali substances in the saline-alkali land needs to be known. At the same time, considering that the content may be different in different regions and it is difficult to know the specific content of saline-alkali substances before the implementation of the improvement work, it is necessary to uniformly lay detection devices to obtain the components of saline-alkali substances, which is more convenient for the implementation of regional division work later.

[0075] Among them, saline-alkali substance detection devices are uniformly laid within the entire saline-alkali land, and these devices can be uniformly set based on the spacing between them.

[0076] Among them, the saline-alkali substance detection device has a component detection function and a concentration measurement function in the soil, so that the components and concentrations of saline-alkali substances can be directly determined, that is, the content of saline-alkali substances can be obtained.

[0077] Among them, the saline-alkali substance detection device obtains and sends the detection results of saline-alkali substances to the control center in real time based on the communication system, so as to be used for subsequent trace element fertilizer formula adjustment on the basis of determining the substance components and content.

[0078] S112. Designate the areas where the deviation degree of the saline-alkali substance composition is not higher than the preset deviation degree as the same partition area.

[0079] The purpose of this step is to divide all plots in the saline-alkali land according to the types and contents of saline-alkali substances, so as to cut the similar areas in the saline-alkali land, and then adopt different trace element fertilizer formulas for different areas.

[0080] Among them, based on the set saline-alkali substance detection device, directly collect the types and contents of saline-alkali substances at the location where the device is set.

[0081] Among them, obtain the composition parameters of each collected saline-alkali substance, and compare them with the composition of the saline-alkali substances collected by the surrounding devices to obtain the deviation amount.

[0082] Among them, compare the obtained deviation amount with the preset deviation amount, and the preset deviation amount is set by technical personnel.

[0083] In some embodiments, obtain the mean value of all deviation amounts, and then directly use this mean value as the preset deviation amount.

[0084] In some embodiments, the area can also be designated according to the main plant types of the saline-alkali land in different regions. Considering that different types of plants have different saline-alkali tolerance abilities, therefore, based on the plant with the highest main proportion as the main observation object, and based on the saline-alkali tolerance ability of this plant, determine the composition of the saline-alkali substances in this area.

[0085] Among them, for the areas where the deviation degree is not higher than the preset deviation degree, based on the measurement results of the saline-alkali substance detection device, include all the saline-alkali substance detection devices that meet this judgment index into the same area, that is, obtain the same partition area.

[0086] S113. Obtain the mean value of the saline-alkali substance composition in the same partition area to obtain the content of the saline-alkali substances in the same partition area.

[0087] The purpose of this step is to estimate the composition or content of the saline-alkali substances in the designated same partition areas. Among them, calculating based on the mean value has higher accuracy and lower calculation resource consumption.

[0088] Among them, obtain the readings of all saline-alkali substance detection devices in the same partition area, and calculate their mean value.

[0089] Among them, considering that there may be various types of saline-alkali substances in saline-alkali land, it is necessary to separately analyze all types of saline-alkali substances therein and separately calculate the average content of all types of saline-alkali substances therein.

[0090] S114. Label the content of the saline-alkali substances in all the same partition areas to obtain the regional saline-alkali substance content of the saline-alkali land.

[0091] The purpose of this step is that in the technical solution of this application, the adjustment of trace element fertilizers needs to be realized based on a control system. Therefore, labeling the regional saline-alkali substance content of the saline-alkali land can facilitate the subsequent specific control of trace element fertilizers.

[0092] Among them, in the control system, a unique label identifier is set for all the same partition areas, so as to label all the same partition areas.

[0093] Among them, based on all the same partition areas, label the regional saline-alkali substance content within the same partition area to illustrate the saline-alkali substance composition within this partition.

[0094] S115. It also includes:

[0095] Uniformly set trace element fertilizer dispensers within the same partition area to dispense trace element fertilizers for saline-alkali land improvement.

[0096] The purpose of this step is that in the improvement of saline-alkali land, a special dispenser for trace element fertilizers is used, so that the dispenser can be used to dispense fertilizers, and thus the input operation status of the trace element fertilizer dispenser can be screened according to the partition distribution of the saline-alkali land to achieve reasonable dispensing.

[0097] Among them, within the same partition area, uniformly set social trace element fertilizer dispensers and dispense fertilizers based on these dispensers.

[0098] In some embodiments, if the trace element fertilizer dispensers have been arranged, then at this time, based on the division result of the same partition area, all the trace element fertilizer dispensers within the same partition area are regarded as the trace element fertilizer dispensers inherent in this area.

[0099] In some embodiments, the arrangement position of the trace element fertilizer applicator can be configured based on the detection results obtained by the saline-alkali substance detection device within the same partition area. For example, if a certain detection device finds that the content of saline-alkali substances at the location where it is located is significantly higher than the measurement results of other detection devices and belongs to the same partition area, then a trace element fertilizer applicator needs to be configured at the location where the detection device is located, while reducing the distribution density of the trace element fertilizer applicator in other areas, or even not arranging it. In this way, the trace element fertilizer applicators within the same partition area are not evenly arranged.

[0100] As described in step S120, the purpose of this step is for the saline-alkali land improvement work. The principle of this application is that the elimination stage of saline-alkali substances is based on the consumption of the planted crops. For different types of planted crops, their consumption and demand for trace elements are different. Therefore, based on the type of planted crops in advance, obtain the formula of the trace element fertilizer, and then adjust the formula. After obtaining the formula that needs to be adjusted, the trace element fertilizer formula can be obtained. At the same time, in the saline-alkali land transformation, different transformation times will be divided. Therefore, in the specific treatment, for the current cycle, obtain the formula. Specifically:

[0101] S121. Obtain the regional saline-alkali substance category based on the regional saline-alkali substance content.

[0102] The purpose of this step is to obtain the suitable crop types for planting according to the category and content of the regional saline-alkali substances.

[0103] Among them, obtaining the regional saline-alkali substance content directly determines the saline-alkali substance category in the current region.

[0104] Among them, based on the saline-alkali substance category and the saline-alkali substance content, determine the suitable crops for planting in this region.

[0105] S122. Obtain the saline-alkali substance content corresponding to the regional saline-alkali substance category, and obtain the proportion of the saline-alkali substance content to obtain the saline-alkali substance ratio.

[0106] The purpose of this step is that for different crops, their adaptation degrees to different saline-alkali substances are different. Therefore, in the specific treatment, it is also necessary to obtain the saline-alkali substance ratio. After determining the ratio result, further screen the suitable crops for planting.

[0107] Among them, obtain the composition of all saline-alkali substances within the partition, and based on this composition, directly determine the distribution of the saline-alkali substances.

[0108] Among them, for the proportion of saline-alkali substances, it can be described based on weight proportion, concentration ratio, etc., and the present application does not make any limitations.

[0109] Among them, the proportions of all saline-alkali substances are respectively marked to obtain the correlation between the proportion of saline-alkali substances and the same partition area.

[0110] S123. Based on the regional saline-alkali substance proportion and the regional saline-alkali substance category, obtain suitable crops for planting.

[0111] The purpose of this step is to screen suitable crops for planting according to the obtained saline-alkali substance content and the proportion of saline-alkali substances, so as to ensure that the crops in this area can consume saline-alkali substances.

[0112] Among them, according to the saline-alkali substance category, based on the nutrient requirements during the growth process of the crops, screen suitable crops for planting.

[0113] Among them, according to the subsequent treatment measures for the planted crops in the improvement of saline-alkali land, combined with the saline-alkali substance category, screen the planted crops. For example: determine the improvement operation of a certain saline-alkali area, and after the corresponding crops are planted, the crops need to be turned into the soil to increase the organic matter content of the soil. If the acidity of the soil is relatively high, the selected crop for planting is alfalfa.

[0114] Among them, it is also possible to screen suitable crops for planting according to the dominant saline-alkali substances in the saline-alkali land. For example, if the highest salt content is found in a certain area, the optional crops for planting include Suaeda salsa, Salicornia europaea, etc., to consume the salt in the saline-alkali land.

[0115] Among them, it is also possible to screen the planted crops according to other saline-alkali land improvement means used during the same period. For example, if the effect of saline-alkali land improvement is improved by adding microbial agents in the saline-alkali land at the same time, Elaeagnus angustifolia can be planted to improve the microbial activity in the soil.

[0116] S124. Based on the suitable crops for planting, obtain the formula of periodic trace element fertilizer.

[0117] The purpose of this step is to determine the formula of trace element fertilizer and construct the formula based on its demand for trace element fertilizer. Specifically:

[0118] S1241. Obtain the consumption rate of the suitable crops for planting in the same partition area for the saline-alkali substances to obtain the improvement rate of the trace element fertilizer formula. For example Figure 2The figure shows a schematic diagram of a trace element fertilizer dispenser in a method for adjusting a trace element fertilizer formula based on saline-alkali land improvement requirements, as provided in an embodiment of the present application. Each numbered area represents a storage area for a single trace element fertilizer, the elliptical openings within the area serve as fertilizer delivery holes, and the horizontal line in the openings represents the upper edge of the opening baffle. By setting the opening baffle in different positions, a corresponding amount of trace element fertilizer can be delivered.

[0119] The purpose of this step is to consider that the content and composition of saline-alkali substances in different areas of saline-alkali land may be different. In order to obtain better improvement effects, after determining the initial formula of trace element fertilizer, it is obviously necessary to further adjust the initial formula. Then, it is necessary to analyze the consumption rate of saline-alkali substances by crops planted in different partitioned areas to obtain a benchmark saline-alkali substance consumption rate.

[0120] Among them, on the basis of determining the suitable crops to be planted, a trace element fertilizer formula is established based on the needs of different growth cycles of crops.

[0121] In some embodiments, for the set trace element fertilizer formula template, the template is compared with the already determined suitable planting crops. When it is found that there is no comparison result, it needs to be rebuilt. If a good adaptation effect is found, it is directly selected.

[0122] In some embodiments, the total amount of trace element fertilizer to be applied is determined based on the demand for trace element fertilizer of the crops throughout their life cycle and the planting area, as well as the adverse effects of excessive trace element fertilizer on the crops, and the total amount of application is determined as a formula.

[0123] After the crops are planted, the content of saline-alkali substances in the saline-alkali land is continuously and in real time measured based on the saline-alkali substance detection device.

[0124] Among them, the content change value of saline-alkali substances within a period of time is obtained, and the ratio of the content change value and the time length is obtained to obtain the improvement speed of the trace element fertilizer formula.

[0125] In some embodiments, short time periods are uniformly set to determine the consumption of saline-alkali substances by crops in different growth cycles, thereby obtaining the consumption rate of saline-alkali substances by crops in different growth cycles.

[0126] S1242. Obtain the growth-promoting effects of different trace element fertilizers on the suitable crops in the trace element fertilizer formula with the highest trace element fertilizer improvement rate, and obtain the single element improvement rate.

[0127] The purpose of this step is to obtain the promotion effect of each element on the improvement speed of saline-alkali land based on the analysis of the growth promotion effect of different types of trace element fertilizers on the planted crops. On the basis of determining the single improvement speed, the formula of the trace element fertilizer can be adjusted.

[0128] Among them, it can be determined based on the demand of suitable planted crops for trace element fertilizers at different time periods.

[0129] In some embodiments, by continuously adjusting the formula of the trace element fertilizer, the growth promotion effect on the planted crops is determined, so as to analyze the improvement speed of a single element in the trace element fertilizer.

[0130] In some embodiments, based on the slight adjustment of the formula of the trace element fertilizer, the growth promotion effect of different formulas on the planted crops is obtained, so as to obtain the adjusted formula, and select the formula with the best growth promotion effect on the planted crops for application.

[0131] In some embodiments, based on the simulation cultivation technology (that is: cultivating in plots with similar environments and similar saline-alkali substance contents), trace element fertilizers with different ratios are put in, and the growth effects of the planted crops are obtained, so as to determine the growth promotion effect of any trace element in different trace element fertilizer formulas on the planted crops, that is, the improvement speed of a single element is obtained.

[0132] S1243. Based on the improvement speed of the single element, adjust the formula of the trace element fertilizer to obtain the periodic trace element fertilizer formula.

[0133] The purpose of this step is to adjust the formula after obtaining the improvement speed of the single element, and at the same time, based on the content of saline-alkali substances, obtain the number of planted crops therein, and finally adjust the formula.

[0134] Among them, obtain the content of saline-alkali substances, obtain the number of planted crops in this area, and the amount of saline-alkali substances that can be consumed during the whole life cycle of the crops.

[0135] Among them, for the improvement speed of a single element, obtain the trace element with the best growth promotion effect on the planted crops, and increase the input proportion of this element to realize the adjustment of the formula of the trace element fertilizer.

[0136] Among them, based on the growth cycle of the planted crops, adjust the periodic trace element fertilizer formula, and then put the obtained formula into the saline-alkali area.

[0137] Among them, obtain the total amount of saline-alkali substances that the planted crops can consume during their whole life cycle after putting in the trace element fertilizer according to the periodic trace element fertilizer formula.

[0138] In some embodiments, for the total amount of saline-alkali substances that the planted crops can consume during their entire life cycle and the saline-alkali land improvement target specified within this cycle, calculate the difference between the two. This difference is the deviation amount by which the trace element fertilizer formula fails to achieve the target. Then, based on this deviation amount, further adjust the trace element fertilizer formula.

[0139] As described in step S130, the purpose of this step is to use the consumption amounts of both trace element fertilizers and saline-alkali substances by suitable planted crops as intermediate quantities, to obtain the consumption amount of saline-alkali substances resulting from the application of trace element fertilizers in the case of this planted crop, and to establish a saline-alkali substance consumption equation for these two parameters, in order to establish the correlation between the consumption amounts of trace element fertilizers and saline-alkali substances. Specifically:

[0140] S131. Based on the periodic trace element fertilizer formula, the trace element fertilizer dispenser dispenses trace element fertilizers to the trace element fertilizer dispensing coverage area.

[0141] The purpose of this step is that after the periodic trace element fertilizer formula has been determined, since this formula is the result obtained through theoretical calculation, in order to further adjust this formula, it is necessary to dispense fertilizers based on the periodic trace element fertilizer formula and obtain the dependent variable (consumption amount of saline-alkali substances) and the independent variable (trace element fertilizer), laying the foundation for the subsequent determination of the saline-alkali substance consumption equation.

[0142] Among them, after obtaining the periodic trace element fertilizer formula, it can be dispensed by the trace element fertilizer dispenser.

[0143] Among them, based on the trace element fertilizer dispensers included within the same demarcated sub-region, the dispensing method of trace elements is the same. During this process, it is necessary to uniformly control and configure the trace element fertilizer dispensers within the demarcated sub-region based on the demarcated sub-region.

[0144] Among them, based on the label of the trace element fertilizer dispenser, the control system sends the same control instruction to the trace element fertilizer dispensers within the same sub-region, so that different trace element fertilizer dispensers within the same sub-region can apply trace element fertilizers with the same formula to the saline-alkali land.

[0145] In some embodiments, each trace element fertilizer dispenser is independently controlled, so that different trace element fertilizer dispensers can dispense trace element fertilizers with different formulas based on the control instruction.

[0146] Among them, after obtaining the formula of the trace element fertilizer that the trace element fertilizer dispenser needs to dispense, make corresponding adjustments and then dispense the trace element fertilizer.

[0147] S132. Set the detection time of the trace element fertilizer application coverage area, and obtain the content of saline-alkali substances in the trace element fertilizer application coverage area to obtain the measured substance content.

[0148] The purpose of this step is that after the application of trace element fertilizer, it will promote the growth of the planted crops, and the planted crops consume saline-alkali substances during growth. Then, in order to obtain the saline-alkali substance consumption equation, it is obvious that the consumption of saline-alkali substances also needs to be obtained. This step is to obtain the consumption of saline-alkali substances.

[0149] Among them, after the application of trace element fertilizer, the content of saline-alkali substances in this saline-alkali area needs to be obtained, and the content of saline-alkali substances needs to be monitored in real time.

[0150] Among them, after obtaining the content of saline-alkali substances, obtain the change amount of the content of saline-alkali substances in adjacent time periods, so as to obtain the consumption of saline-alkali substances in different time periods.

[0151] In some embodiments, obtain the content of saline-alkali substances between the trace element fertilizer application time node and other time nodes to obtain the consumption of saline-alkali substances at different time nodes.

[0152] In some embodiments, it is only necessary to take the value of the content of saline-alkali substances in this application area.

[0153] S133. Based on the measured substance content, obtain the saline-alkali substance consumption curve of the trace element fertilizer application coverage area.

[0154] The purpose of this step is that after obtaining the measured substance content, it is already possible to determine the consumption of saline-alkali substances in this saline-alkali area, and based on this consumption, obtain the corresponding consumption curve. Then, the saline-alkali substance consumption equation can be determined based on this consumption curve.

[0155] Among them, for the obtained amount of saline-alkali substances, establish the detection time node of the content of saline-alkali substances in the saline-alkali land to obtain the content of saline-alkali substances corresponding to different time nodes.

[0156] Among them, obtain the content of saline-alkali substances measured at adjacent time nodes, and calculate the difference between adjacent time nodes, so as to obtain the consumption of saline-alkali substances in the application coverage area after the application of trace element fertilizer.

[0157] Among them, based on the parameters of the time node and the consumption of saline-alkali substances, incorporate the obtained saline-alkali substance consumption value into the spatial coordinate system to obtain the saline-alkali substance consumption curve. For example Figure 3As shown, it is a consumption curve of saline-alkali substances in a method for adjusting the formula of trace element fertilizers based on the requirements of saline-alkali land improvement provided by an embodiment of the present application. This curve is a curve showing the change in the consumption of saline-alkali substances within a certain period after the application of molybdenum fertilizer during the seedling stage of alfalfa. After obtaining this curve, the consumption equation of saline-alkali substances can be obtained. It should be noted that Figure 3 It is only a theoretical disguise of a consumption curve of saline-alkali substances, that is: it is relatively common for the consumption of saline-alkali substances to develop in the form of an exponential function. Not all trace element fertilizers develop according to the exponential function, and in the measured values, the fitting degree is usually not as Figure 3 excellent as shown, but in any case, the corresponding equation can be determined based on the obtained consumption curve.

[0158] Among them, after obtaining the consumption curve, the change equation of the consumption of saline-alkali substances within the coverage area of the application of trace element fertilizers is also obtained based on the consumption curve, laying a foundation for subsequent steps.

[0159] In some embodiments, a corresponding consumption curve of saline-alkali substances can also be established based on other parameters, such as the application time node of trace element fertilizers. The present application does not make a limitation here.

[0160] S134. Based on the consumption curve of saline-alkali substances in the coverage area of the application of trace element fertilizers, obtain the consumption equation of the saline-alkali substances under the action of the periodic trace element fertilizer formula.

[0161] The purpose of this step is that for the obtained consumption curve of saline-alkali substances, it is also necessary to determine the consumption of saline-alkali substances under the action of the periodic trace element fertilizer formula based on this curve, and obtain the correlation equation between the two. Thus, based on the obtained consumption equation of saline-alkali substances, in subsequent processing, the application amount of trace element fertilizers can be determined based on the consumption equation of saline-alkali substances and the target consumption amount.

[0162] Among them, obtain the consumption of trace element fertilizers by the planted crops within the corresponding time period.

[0163] In some embodiments, for the consumption of trace element fertilizers, it is determined based on the specific consumption rate of the planted crops in different growth cycles. For example, the crops are divided into the germination period, growth period, fruiting period, and withering period, etc.

[0164] Among them, obtain the consumption of trace element fertilizers by the planted crops at adjacent time nodes, and obtain the equation.

[0165] In some embodiments, a consumption equation is also established for the consumption of trace element fertilizers to determine the consumption rate and total amount of trace element fertilizers in different cycles.

[0166] Among them, obtain the ratio of the consumption of trace element fertilizers to the consumption of saline-alkali substances within the corresponding time period, and obtain the total amount of trace element fertilizers that need to be invested when the consumption target of saline-alkali substances is reached in different time periods. Just obtain the quotient of the target amount and the ratio.

[0167] In some embodiments, other methods can also be used to obtain the application amount of trace element fertilizers under the target consumption amount of saline-alkali substances.

[0168] Among them, obtain the promoting effects of different elements in trace element fertilizers on crop growth and perform quantitative processing. The obtained promoting effect values are the input weight of different trace elements in trace element fertilizers.

[0169] Among them, based on the obtained input weights and the trace element composition under the target consumption amount of saline-alkali substances, a corresponding saline-alkali substance consumption equation can be established. For example, for a certain saline-alkali area, the established saline-alkali substance consumption equation is:

[0170] ;

[0171] Among them, C represents the consumption amount of saline-alkali substances, represents the weight of the promoting effect of a single trace element fertilizer on the consumption amount of saline-alkali substances, represents the saline-alkali substance consumption equation, i represents the type index of a single trace element fertilizer, j represents the total amount of the type index of a single trace element fertilizer.

[0172] Among them, for the saline-alkali substance consumption equations corresponding to different single trace element fertilizers, detection can be carried out by relying on the situation of adding only the trace element fertilizer to be analyzed without adding other types of trace element fertilizers.

[0173] Among them, for the weights in the above equations, based on the amounts that need to be applied for different trace element fertilizers when consuming the same content of saline-alkali substances, the obtained ratio value of the applied amounts is the weight value.

[0174] S135. Obtain the content of saline-alkali substances at the starting time point and the ending time point within the saline-alkali land improvement period, and obtain the target consumption amount of saline-alkali substances.

[0175] The purpose of this step is that in the improvement of saline-alkali land, the improvement requirements of saline-alkali land in different time periods are set based on the time period, usually set based on the content of saline-alkali substances contained in the saline-alkali land, and implemented in the form of indicators. In order to ensure the effectiveness of saline-alkali land improvement, it is necessary to identify this requirement to determine the problems in the current period of saline-alkali land improvement.

[0176] Among them, based on the effective time node and the termination time node set for saline-alkali land improvement, and obtaining the content of saline-alkali substances required at the corresponding time nodes, the target consumption of saline-alkali substances is obtained.

[0177] S136. Divide the trace element fertilizer adjustment time period within the saline-alkali land improvement cycle, and obtain the consumption of saline-alkali substances within each trace element fertilizer adjustment time period to obtain the target period consumption.

[0178] The purpose of this step is that, in the case where the consumption equation of saline-alkali substances has been obtained, the consumption of saline-alkali substances within this time period can be measured. At the same time, considering that the time of the trace element fertilizer adjustment time period and the saline-alkali substance consumption time period may not match, it is also necessary to determine the trace element fertilizer adjustment time period to determine the consumption of saline-alkali substances within the entire saline-alkali land improvement cycle.

[0179] Among them, the adjustment time period of the trace element fertilizer is determined based on the growth cycle of the planted crops.

[0180] Among them, compare the time nodes of the growth cycle of the planted crops and the saline-alkali land improvement cycle. If the former is longer than the latter, use the time period of the saline-alkali land improvement cycle as the benchmark to obtain the consumption of saline-alkali substances within the entire improvement cycle. On the contrary, use the growth time of the planted crops as the benchmark to obtain the consumption of saline-alkali substances within different trace element fertilizer adjustment time periods within the entire improvement cycle.

[0181] Among them, for the target period consumption, it can be determined based on the following equation:

[0182] ;

[0183] Among them, represents the target period consumption, represents the consumption of saline-alkali substances at the measurement initial time node, represents the end time node of the target period, represents the initial time node of the target period.

[0184] In some embodiments, the adjustment time of the trace element fertilizer is based on the current decrease in the content of the trace element fertilizer, resulting in a decrease in the consumption of saline-alkali substances. In this case, a topdressing operation is performed. For this situation, it is also necessary to record the topdressing time node, and use the topdressing time node as the start time of the trace element fertilizer adjustment time period, rather than being determined according to the growth cycle of the planted crops.

[0185] S137. Based on the saline-alkali substance consumption equation, obtain the consumption of saline-alkali substances within the saline-alkali land improvement cycle to obtain the target time predicted consumption.

[0186] The purpose of this step is that after obtaining the consumption amount of saline-alkali substances, considering that the trace element fertilizer formula that may be used cannot achieve the expected effect, in the treatment, based on the determination of the predicted consumption amount, an adjustment basis can be obtained, and this step is to obtain the predicted consumption amount to lay a foundation for subsequent comparison and adjustment work.

[0187] Among them, obtain the consumption equation of saline-alkali substances to obtain the consumption amount of saline-alkali substances in each trace element fertilizer adjustment time period.

[0188] Among them, based on the saline-alkali land improvement cycle as the time period basis, obtain the consumption amount of saline-alkali substances within this time period, and thus obtain the consumption amount of saline-alkali substances within this cycle based on the length of this time period. The obtained result is the predicted consumption amount.

[0189] Among them, the predicted consumption amount of the target time obtained is the same as the equation disclosed in step S134, which will not be elaborated here.

[0190] S138. When the difference between the consumption amount of the target time period and the predicted consumption amount of the target time period is not less than the preset consumption deviation value, adjust the trace element fertilizer formula for the cycle based on the improvement speed of a single element.

[0191] The purpose of this step is to comprehensively ensure that in each saline-alkali land improvement cycle, the actual improvement operation can meet the set index requirements. When it is found that the trace element fertilizer formula for the cycle used cannot achieve the corresponding goal, the formula needs to be further adjusted to obtain better improvement results.

[0192] Among them, the preset consumption deviation value can be set based on the professional knowledge of technicians.

[0193] In some embodiments, obtain the difference between the consumption amount of the target time period and the predicted consumption amount of the target time period within the historical time, and calculate the average value of this difference. The obtained difference result is the preset consumption deviation value.

[0194] Among them, obtain the difference between the consumption amount of the target time period and the predicted consumption amount of the target time period within the current time period, and directly compare it with the preset consumption deviation value. When it is found that the former is not less than the latter, it indicates that there is a problem with the trace element fertilizer formula for the cycle currently adopted, and it needs to be further adjusted.

[0195] Among them, when further adjusting the trace element fertilizer formula for the cycle, it is necessary to obtain the improvement speed of a single element. This parameter represents that after the increase of this trace element, the growth trend of the planted crops will be improved, and then the consumption speed of the saline-alkali substance consumption amount will also be increased. Therefore, in the specific adjustment, it is necessary to increase the input amount of the trace element with a higher improvement speed of a single element.

[0196] In some embodiments, it is necessary to make comprehensive adjustments to the periodic trace element fertilizer formula. Specifically, the specific adjustment operations can be performed based on the experience of technicians.

[0197] As described in step S140, the purpose of this step is to take into account that in order to achieve better saline-alkali land improvement effects, it is often necessary to establish and adjust the formula of trace element fertilizers required for each improvement cycle in advance, so that they can be immediately put in when the corresponding improvement cycle start time node is reached. This requires that the formula be determined in advance. The purpose of this step is obviously to obtain the formula of trace element fertilizers for the next improvement cycle in advance, so as to achieve advance processing. Specifically:

[0198] S141. Obtain an improvement cycle target for the saline-alkali land, and obtain a target consumption of saline-alkali substances for the saline-alkali land within the improvement cycle.

[0199] The purpose of this step is to be able to effectively consume the saline-alkali substances in the next cycle. It is necessary to determine the total amount of saline-alkali substances that need to be consumed within the time period, so as to set the consumption threshold.

[0200] Among them, the improvement cycle target of the saline-alkali land is obtained, and then the start and end time nodes of each cycle are directly determined, and the difference is obtained based on the saline-alkali substance content corresponding to the node, that is, the target amount of saline-alkali substances is obtained.

[0201] In some embodiments, if it is determined that the periodic trace element fertilizer formula used in the current cycle cannot achieve the required saline-alkali land improvement target, the difference between the actual improvement effect and the improvement target is obtained, and the difference is added to the improvement target in the next improvement cycle. This value is the correct improvement cycle target.

[0202] S142: numerically expand the target consumption of saline-alkali substances to obtain an expanded target consumption.

[0203] The purpose of this step is to achieve better saline-alkali land improvement effects. It is often necessary to ensure that in the prediction stage, the consumption of saline-alkali substances that can be obtained by the formula is higher than the target amount set within the cycle, so that the obtained formula has a higher margin and thus achieves better robustness.

[0204] Among them, the expanded processing parameters for the target consumption of saline-alkali land can be set based on specific standards or requirements.

[0205] S143. Based on the saline-alkali material consumption equation and the expanded target consumption, obtain an alternative trace element fertilizer formula.

[0206] The purpose of this step is that in the application of trace element fertilizers, obviously, not just one type of fertilizer is applied, but multiple trace element fertilizers are mixed and then applied. Therefore, after determining the target for the next improvement cycle, multiple sets of formulations can be obtained based on this target. In essence, all these formulations are applicable, but the actual effects achieved may be different, and they still need to be screened.

[0207] Among them, the expanded target consumption is the dependent variable in the consumption equation of saline-alkali substances, and the relevant parameters in the formulation are the independent variables. After obtaining the results of the independent variables, multiple formulations can be obtained.

[0208] S144. Obtain the growth cycle of the planted crops in the next improvement cycle, and obtain the demand for trace element fertilizers during this growth cycle.

[0209] The purpose of this step is that since the demand for trace elements by cultivated crops is different at different time periods, it is also necessary to consider the growth cycle of the cultivated crops in the next improvement cycle, and based on this information, screen the alternative trace element fertilizer formulations.

[0210] Among them, obtain the actual time of the next improvement cycle, determine the growth cycle of the planted crops in the next improvement cycle, and determine based on the demand for trace elements by this crop at different growth cycles.

[0211] In some embodiments, if it is found that the next improvement cycle spans the growth cycles of two or more planted crops, then it is necessary to obtain the demand for trace element fertilizers of the planted crops in each growth cycle based on the growth cycle.

[0212] In some embodiments, it is only necessary to obtain the minimum demand of the planted crops for various trace element fertilizers.

[0213] In some embodiments, it is also necessary to obtain the impact of fluctuations in different types of trace element fertilizers on the growth status of the planted crops during the next improvement cycle of the cultivated crops.

[0214] S145. Based on the demand for trace element fertilizers and the alternative trace element fertilizer formulations, obtain the trace element fertilizer formulation for the next improvement cycle.

[0215] The purpose of this step is to select an optimal trace element fertilizer formulation from all the alternative trace element fertilizer formulations.

[0216] Among them, based on the comparison of all parameters of all alternative formulations and the demand for trace element fertilizers, obtain the trace element fertilizer formulation that can meet the normal growth of the cultivated crops.

[0217] Among them, if there are multiple formulas that can simultaneously meet the following two requirements: (1) ensuring the normal growth of the planted crops; (2) being able to meet the requirements for saline-alkali land improvement, then these formulas are all regarded as available formulas, and any one of them can be selected for use.

[0218] It should be noted that in the above steps S141 to S145, the result that can be obtained is the trace element fertilizer formula for the next cycle. However, this formula is actually only the determination of multiple possible formulas. For such formulas, they can also be further optimized. Therefore, this application also discloses a method for improving the trace element fertilizer formula for the next cycle, specifically:

[0219] S146. Based on the growth history data of the planted crops, obtain the improvement speed of a single element of the planted crops in different growth cycles to obtain the cycle single-element improvement speed.

[0220] The purpose of this step is that for the obtained formula for the next cycle, the impacts of different trace elements on the consumption speed of saline-alkali substances are different. And during the prediction process, it is difficult to determine the improvement speed of a single element based on real-time detection results. Therefore, historical data needs to be used for determination.

[0221] Among them, obtain the growth cycle of the planted crops in the next improvement cycle, and then compare this growth cycle with the historical growth cycles of the planted crops for horizontal comparison.

[0222] Among them, obtain the growth promotion effects of all trace element fertilizers on the planted crops during the same growth cycle in history, and sort the improvement speeds of single elements.

[0223] The reason why direct formula screening is not based on historical growth data in the acquisition of the formula is that during the continuous improvement of saline-alkali land, the content of saline-alkali substances in the soil decreases. That is to say, although the planted crops are in the same growth cycle, the soil environment has changed greatly, resulting in the inapplicability of historical formulas during the same growth cycle. However, the change range of the improvement speed of a single element of trace element fertilizer is very small and can be ignored. Therefore, this parameter can be determined based on historical data.

[0224] S147. Based on the cycle single-element improvement speed, adjust the trace element fertilizer formula for the next improvement cycle.

[0225] The purpose of this step is to further adjust the trace element fertilizer formula for the next improvement cycle.

[0226] Among them, according to the obtained cycle single-element improvement speed, find the trace element fertilizer that has the greatest impact on the growth speed of the planted crops.

[0227] Among them, the application amount of the trace element fertilizer with the highest hardness is increased to obtain a trace element fertilizer formula with a higher promotion effect.

[0228] In some embodiments, for the specific screening of the improvement speed of a single element, the specific value of the improvement speed of the single element can be adjusted according to the divided threshold or relevant requirements, and the present application places no restrictions on the screening requirements and objectives.

[0229] As described in step S150, the purpose of this step is that in saline-alkali areas, environmental changes will also cause changes in the content of saline-alkali substances. For example, acid rain will increase the acidity. Therefore, in the improvement of saline-alkali land, it is also necessary to pay attention to the changes in the content of saline-alkali substances caused by environmental changes, and then further adjust the formula. Specifically:

[0230] S151. Obtain the precipitation time of the saline-alkali land, and after the precipitation time of the saline-alkali land ends, obtain the content of saline-alkali substances to obtain the mutated saline-alkali substance content.

[0231] The purpose of this step is to consider that the change in the content of saline-alkali substances in the saline-alkali land is mainly caused by precipitation. Therefore, it is necessary to determine the precipitation situation and immediately determine the content of saline-alkali substances after precipitation to achieve rapid adjustment of the formula.

[0232] Among them, after the precipitation in the saline-alkali land ends, immediately use a saline-alkali substance detection device to obtain the content of saline-alkali substances.

[0233] Among them, the area within the saline-alkali area is also divided according to the saline-alkali substance detection device. The specific division method is the same as the method disclosed in step S110 and will not be elaborated here.

[0234] S152. Predict the environmental change parameters of the saline-alkali land, predict the precipitation amount of the saline-alkali land and the content of saline-alkali substances in the rainwater, and predict the content of saline-alkali substances after the precipitation time to obtain the mutated saline-alkali substance content caused by environmental changes.

[0235] The purpose of this step is to determine the change amount of saline-alkali substances by predicting the environmental parameters of the saline-alkali land in the next period of time, so as to adjust the formula and top-dress fertilizer in advance.

[0236] Among them, for the environmental change parameters, the environmental change parameters are predicted based on technical means such as historical collection data, seasonal change indicators, and weather forecasts.

[0237] Among them, for the content of saline-alkali substances and the area division technology, it is the same as step S151 and will not be elaborated here.

[0238] As described in step S160, the purpose of this step is to, for the sudden change in the content of saline-alkali substances, adjust the formula of trace element fertilizer in real time according to this change value to ensure the effectiveness of saline-alkali land improvement. Specifically:

[0239] S161. Obtain the consumption value of saline-alkali substance content based on the mutated saline-alkali substance content.

[0240] The purpose of this step is that after introducing the mutated saline-alkali substance content, the consumption of saline-alkali substances changes within the corresponding time period, and it is necessary to determine the formula based on this new value.

[0241] Among them, obtain the occurrence time of the mutated saline-alkali substance content and accumulate it with the corresponding improvement cycle to obtain the result.

[0242] In some embodiments, the mutated saline-alkali substance content occurs within a certain improvement cycle period. In this case, obtain the occurrence time node of the mutated saline-alkali substance content and accumulate it with the existing saline-alkali substance content to obtain the consumption value of saline-alkali substance content.

[0243] In some embodiments, the mutated saline-alkali substance content can also be directly used as the consumption value of saline-alkali substance content.

[0244] Among them, the so-called consumption value of saline-alkali substance content refers to the numerical value of the saline-alkali substance content that needs to be consumed within the improvement cycle of this saline-alkali land after the occurrence of the mutated saline-alkali substance content.

[0245] S162. Obtain the trace element fertilizer formula under the environmental action based on the consumption value of saline-alkali substance content.

[0246] The purpose of this step is to re-determine the trace element fertilizer formula after the occurrence of the mutated saline-alkali substance content and carry out the application of trace element fertilizer based on the re-determined formula.

[0247] Among them, the implementation manner of this step is the same as all the technical contents disclosed in steps S110 - S140, and will not be elaborated here.

[0248] The beneficial effects of this application include:

[0249] 1. Realize the real-time adjustment of the trace element fertilizer formula. The technical solution of this application adjusts the formula of trace element fertilizer correspondingly according to the improvement target periodic target of the saline-alkali area and the application area of trace elements. And this adjustment process obtains data in real time based on various sensors that have been set, and then adjusts the formula, so as to realize the real-time adjustment of the trace element fertilizer formula.

[0250] 2. Quantitatively adjusted the formula of trace element fertilizer. In the technical solution of this application, an association between trace element fertilizer and the consumption of saline-alkali substances in saline-alkali land is established, and a corresponding equation is established between the two. Therefore, when adjusting the trace element fertilizer, based on the requirements for the consumption of saline-alkali substances and the corresponding equation, the quantitative determination and adjustment of the amount of trace elements required in saline-alkali areas can be achieved.

[0251] 3. Considered the influence of weather factors. In the technical solution of this application, the considered weather factors do not simply analyze the dilution or enrichment effects that weather conditions may have on trace element fertilizers, but analyze the impacts of weather on the planted crops. Then, based on this factor, the input amount of trace element fertilizer is determined, and the formula of trace element fertilizer is adjusted accordingly.

[0252] Those of ordinary skill in the art can understand that all or part of the steps of implementing the above method embodiments can be completed by hardware related to computer program instructions. The aforementioned computer program can be stored in a non-volatile storage medium. When the computer program is executed, it executes the steps including the above method embodiments. Alternatively, if the above integrated unit of the present invention is implemented in the form of a software function module and sold or used as an independent product, it can also be stored in a non-volatile storage medium. Based on such an understanding, the technical solution of the embodiments of the present invention, in essence, or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product is stored in a non-volatile storage medium and includes several instructions for causing an electronic device (which can be a personal computer, a server, a network device, etc.) to execute all or part of the methods described in various embodiments of the present invention.

[0253] The above is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of changes or substitutions, which should all be covered by the protection scope of the present invention.

Claims

1. A method for adjusting the formula of trace element fertilizer based on the requirements of saline-alkali land improvement, characterized in that, Including: The first step is to obtain the saline-alkali substance components in different areas of the saline-alkali land and get the regional saline-alkali substance content of the saline-alkali land. Specifically, a saline-alkali substance detection device is evenly laid on the saline-alkali land to detect the saline-alkali substance components of the saline-alkali land in real time; the areas with the deviation degree of saline-alkali substance components not higher than the preset deviation degree are delimited as the same partition area; the average value of the saline-alkali substance components in the same partition area is obtained to get the saline-alkali substance content of the same partition area; the saline-alkali substance content of all the same partition areas is marked to obtain the regional saline-alkali substance content of the saline-alkali land. The second step is to obtain the periodic trace element fertilizer formula based on the regional saline-alkali substance content. Specifically, based on the regional saline-alkali substance content, the regional saline-alkali substance category is obtained; the saline-alkali substance content corresponding to the regional saline-alkali substance category is obtained, and the proportion of the saline-alkali substance content is obtained to get the regional saline-alkali substance ratio; based on the regional saline-alkali substance ratio and the regional saline-alkali substance category, the suitable crops to be planted are obtained; based on the suitable crops to be planted, the periodic trace element fertilizer formula is obtained, which includes obtaining the consumption rate of the suitable crops to be planted in the same partition area for the saline-alkali substances to get the improvement speed of the trace element fertilizer formula. Specifically, it is necessary to analyze the consumption rate of the crops planted in different partition areas for the saline-alkali substances to get the benchmark saline-alkali substance consumption rate. On the basis of the suitable crops to be planted, based on the requirements of different growth cycles of the crops, a trace element fertilizer formula is established. Based on multiple aspects of the crops during the whole life cycle, the total application amount of the trace element fertilizer is determined, and the total application amount is determined as the formula. After the crops are planted, based on the set saline-alkali substance detection device, the content of the saline-alkali substances in the saline-alkali land is continuously and real-time measured, the change value of the saline-alkali substance content within a period of time is obtained, and the ratio of the change value and the time length is obtained to get the improvement speed of the trace element fertilizer formula; the growth promotion effects of different trace element fertilizers on the suitable crops to be planted in the trace element fertilizer formula with the highest improvement speed of the trace element fertilizer are obtained to get the promotion effects of various elements on the improvement speed of the saline-alkali land, and the single element improvement speed is determined. Based on the single element improvement speed, the trace element fertilizer formula is adjusted to obtain the periodic trace element fertilizer formula. In the third step, after obtaining the microelement fertilizer with the periodic microelement fertilizer formula, the content of regional saline-alkali substances is obtained to get the saline-alkali substance consumption equation. The specific meaning is to use the consumption amounts of the microelement fertilizer and saline-alkali substances by suitable planted crops as intermediate quantities to obtain the consumption amount of saline-alkali substances caused by the input of the microelement fertilizer under the condition of this planted crop, and establish a saline-alkali substance consumption equation for these two parameters; it includes: based on the periodic microelement fertilizer formula, putting the microelement fertilizer into the microelement fertilizer application coverage area; setting the detection time of the microelement fertilizer application coverage area and obtaining the content of saline-alkali substances in the microelement fertilizer application coverage area to get the measured substance content, and based on the measured substance content, obtaining the saline-alkali substance consumption curve of the microelement fertilizer application coverage area. Based on the parameters of time nodes and saline-alkali substance consumption amounts, the obtained saline-alkali substance consumption amount values are incorporated into the spatial coordinate system to obtain the saline-alkali substance consumption curve; based on the saline-alkali substance consumption curve of the microelement fertilizer application coverage area, obtaining the saline-alkali substance consumption equation under the action of the periodic microelement fertilizer formula. Specifically, it is to obtain the promoting effects of different elements in the microelement fertilizer on crop growth and conduct quantitative processing. The obtained promoting effect values are the input amount weights of different trace elements in the microelement fertilizer. Based on the obtained input amount weights and the microelement composition under the target consumption amount of saline-alkali substances, a corresponding saline-alkali substance consumption equation is established; In the fourth step, obtain the saline-alkali land improvement cycle target and the saline-alkali substance consumption equation to obtain the microelement fertilizer formula for the next improvement cycle; In the fifth step, obtain the environmental change parameters of the saline-alkali land, and based on the environmental change parameters, obtain the content of saline-alkali substances in the saline-alkali land to get the measured or predicted mutant saline-alkali substance content; In the sixth step, based on the measured or predicted mutant saline-alkali substance content and the saline-alkali land improvement cycle target, obtain the microelement fertilizer formula under the action of the environment.

2. The method for adjusting the trace element fertilizer formula based on the requirements of saline-alkali land improvement according to claim 1, wherein The obtaining of the saline-alkali substance components in different regions of the saline-alkali land and getting the regional saline-alkali substance content of the saline-alkali land further includes: evenly setting microelement fertilizer applicators in the same partition area to apply the microelement fertilizer for saline-alkali land improvement.

3. The method for adjusting the trace element fertilizer formula based on the requirements of saline-alkali land improvement according to claim 1, wherein After obtaining the saline-alkali substance consumption equation, it further includes: obtaining the content of saline-alkali substances at the set starting time point and the set ending time point within the saline-alkali land improvement cycle to obtain the target consumption amount of saline-alkali substances; dividing the microelement fertilizer adjustment time periods within the saline-alkali land improvement cycle and obtaining the consumption amount of saline-alkali substances in each microelement fertilizer adjustment time period to get the target time period consumption amount; based on the saline-alkali substance consumption equation, obtaining the consumption amount of saline-alkali substances within the saline-alkali land improvement cycle to get the target time prediction consumption amount; when the difference between the target time period consumption amount and the target time period prediction consumption amount is not less than the preset consumption deviation value, adjusting the periodic microelement fertilizer formula based on the single-element improvement speed.

4. The method for adjusting the trace element fertilizer formula based on the requirements of saline-alkali land improvement according to claim 1, characterized in that, The obtaining of the saline-alkali land improvement cycle target and the saline-alkali substance consumption equation to obtain the microelement fertilizer formula for the next improvement cycle includes: Obtain the improvement cycle target of the saline-alkali land, and obtain the target consumption amount of saline-alkali substances in the saline-alkali land within the improvement cycle; Perform numerical expansion processing on the target consumption amount of the saline-alkali substances to obtain the expanded target consumption amount; Based on the saline-alkali substance consumption equation and the expanded target consumption amount, obtain alternative trace element fertilizer formulas; Obtain the growth cycle of the planted crop in the next improvement cycle, and obtain the trace element fertilizer requirements during the growth cycle; Based on the trace element fertilizer requirements and the alternative trace element fertilizer formulas, obtain the trace element fertilizer formula for the next improvement cycle.

5. The method for adjusting the trace element fertilizer formula based on the requirements of saline-alkali land improvement according to claim 4, wherein It further includes: Based on the growth history data of the planted crop, obtain the single-element improvement speed of the planted crop in different growth cycles, and obtain the cycle single-element improvement speed; Based on the cycle single-element improvement speed, adjust the trace element fertilizer formula for the next improvement cycle.

6. The method for adjusting the trace element fertilizer formula based on the requirements of saline-alkali land improvement according to claim 1, characterized in that, The obtaining of the environmental change parameters of the saline-alkali land and, based on the environmental change parameters, obtaining the saline-alkali substance content of the saline-alkali land to obtain the measured or predicted mutated saline-alkali substance content includes: After the precipitation time of the saline-alkali land ends, obtain the saline-alkali substance content to obtain the measured mutated saline-alkali substance content; Or, predict the environmental change parameters of the saline-alkali land, predict the precipitation amount of the saline-alkali land and the saline-alkali substance content in the rainwater, and predict the saline-alkali substance content after the precipitation time to obtain the predicted mutated saline-alkali substance content.

7. The method for adjusting the trace element fertilizer formula based on the requirements of saline-alkali land improvement according to claim 1, characterized in that The obtaining of the trace element fertilizer formula under the environmental action based on the measured or predicted mutated saline-alkali substance content and the improvement cycle target of the saline-alkali land includes: Based on the measured or predicted mutated saline-alkali substance content, obtain the consumption value of the saline-alkali substance content; Based on the consumption value of the saline-alkali substance content, obtain the trace element fertilizer formula under the environmental action.

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