66 results about "Subirrigation" patented technology

The system may include a secondary irrigation feature that determines a percent of overlap of each of a plurality of submodules in a second lift over each of a plurality of submodules in a first lift and adjusts at least one of leaching operations or a leaching model based on the total tonnage weighted average of metal in the second lift. The method may further comprise determining an acid gap based on a difference between total acid given and total acid consumption; and further adjusting at least one of the leaching operations or the leaching model based on the acid gap. The method may further comprise determining a percentage of compacted material based on the material that is compacted and irrigated divided by the material that is irrigated; and further adjusting at least one of the leaching operations or the leaching model based on the percentage of compacted material.

The invention relates to the technical field of agricultural irrigation, and discloses a high-efficiency water-saving intelligent drip irrigation system which comprises a soil humidity sensor used for monitoring the humidity level in soil in real time; the meteorological sensor is used for monitoring environment temperature, humidity, wind speed, wind direction and rainfall; the central controller is connected with the soil humidity sensor and the meteorological sensor and used for receiving and processing sensor data and dynamically adjusting the irrigation area and the irrigation amount based on the data; and the partition control valves are mounted on branch nodes of the irrigation pipe network, are connected with the central controller and are used for controlling the water flow of each irrigation area according to instructions of the central controller. By monitoring soil humidity and meteorological conditions in real time, the system can accurately control irrigation time and water volume according to actual requirements. According to the demand-driven irrigation strategy, waste of water resources is greatly reduced, it is ensured that irrigation is conducted at the most needed time, only the needed water is supplied, and the use efficiency of the water resources is further optimized.

The invention discloses a fertilizer suitable for saline-alkali soil and a preparation method and device thereof, and relates to the field of saline-alkali soil fertilizers.The fertilizer particles are of at least N layers of core-shell structures, first compositions are arranged on the odd layers from inside to outside, second compositions are arranged on the even layers from inside to outside, N is an odd number larger than or equal to 3, and the core-shell structures are of a core-shell structure. The composition I is prepared from the following raw materials: an organic base fertilizer, a nitrogen-phosphorus-potassium base fertilizer, ammonium lignosulfonate, amino acid, a microbial agent and a mariculture product extract. The fertilizer particle has an odd-layer core-shell structure, the outermost layer is nutrient substances, the problem that the composition I on the surface is rapidly dissolved along with irrigation when the fertilizer is just put into the saline-alkali soil is solved, the effect of rapidly improving the saline-alkali soil is achieved, and the survival rate of seedlings is increased. After the irrigation period is finished, the composition II protects the composition I on the inner layer and waits for the next irrigation period, so that the excessive concentration of the fertilizer in a short time can be avoided, the purpose of slowly releasing the fertilizer can be achieved, and the fertilization frequency of the saline-alkali soil is reduced.

The invention discloses an irrigation district water distribution scheduling method and device and a medium, belongs to the field of irrigation district management, and aims to solve the problem that accurate irrigation cannot be uniformly and efficiently carried out, and the method comprises the following steps: determining a digital elevation model and a crop planting distribution diagram of an irrigation district; according to the digital elevation model and the crop planting distribution map, determining different irrigation subareas of the irrigation area, and a water delivery energy consumption coefficient, a crop suitability coefficient and a subarea water demand critical period of each irrigation subarea; constructing a water delivery energy matrix of the irrigation area according to the water delivery energy consumption coefficient of each irrigation subarea and the irrigation water demand in the irrigation period; determining a rotation irrigation group of the irrigation area according to the water delivery energy weight combination and the water delivery energy matrix of each irrigation subarea in the current irrigation period; and determining the irrigation time sequence of the rotation irrigation group according to the crop suitability coefficient of each irrigation subarea and the subarea water demand critical period. And water distribution in the irrigated area can be more efficiently and reasonably carried out.

The invention relates to the field of irrigation valve control, in particular to an intelligent valve group for irrigation of hydraulic engineering and a control system. According to the system, firstly, humidity data of different soil depths of an irrigation area where each sprinkling irrigation valve is located at each moment and the valve opening degree of each sprinkling irrigation valve during last irrigation are obtained, and for each irrigation area, the humidity data of different soil depths are divided to obtain an irrigation period of each soil depth; obtaining the moisture demand degree of each soil depth based on the change of the humidity data in each irrigation period of each soil depth, and obtaining the optimal valve opening degree of each irrigation area according to the difference of the moisture demand degrees of the same soil depth between each irrigation area and other irrigation areas and the valve opening degrees of the other irrigation areas. And the crops are irrigated. The opening degree of the sprinkling irrigation valve can be accurately controlled, so that the requirement of current crops for water is met, and the irrigation effect is improved.

The invention provides an irrigation control method and system based on conductivity change of a rhizosphere nutrient solution. The control method comprises the following steps: calculating a single irrigation dose; calculating the time length of single irrigation; calculating a sunrise moment and a sunset moment; the EC value of the rhizosphere nutrient solution is detected in real time through a first EC sensor arranged in the substrate, the current moment is obtained, when the current moment is between the sunrise moment and the sunset moment, first irrigation is started when the difference value delta ECr between the EC value of the rhizosphere nutrient solution and the EC value of the irrigation nutrient solution is larger than a first specific value, and second irrigation is started when delta ECr is larger than a second specific value. The irrigation duration of each time is single irrigation duration, circulation is carried out according to the starting condition of second-time irrigation, and when the irrigation moment is not smaller than the irrigation stopping moment of the day, irrigation of the day is stopped. The invention provides an irrigation control method and system based on rhizosphere nutrient solution conductivity change, and aims to solve the problem that nutrient solution is difficult to accurately irrigate according to crop requirements in matrix cultivation in the prior art.

The invention provides a water and fertilizer integrated zoned irrigation method and system for strawberry planting, relates to the technical field of strawberry planting and fertilization, and aims to solve the problem that in related technologies, the water and fertilizer requirements of strawberry plants are affected by growth stages, environments and self states, but traditional zoned irrigation lacks of real-time dynamic and accurate determination of irrigation volume based on regions, and the irrigation efficiency is poor. The utilization efficiency of water and fertilizer is low, and the quality and yield of strawberries are influenced. The method comprises the following steps: acquiring environment data and matrix data of an area in a first time period; acquiring a substrate humidity change rate and a substrate conductivity change rate of the region in a second time period according to the substrate data; according to the environment data, the substrate humidity change rate, the substrate conductivity change rate and preset parameters, determining the required intensity of the current irrigation period of the area; according to the current irrigation period demand intensity and a preset reference irrigation volume, the current irrigation volume of the area is obtained; when the area meets the irrigation triggering condition, the nutrient solution with the irrigation volume is applied to the area.

The invention relates to the technical field of agricultural irrigation, in particular to an agricultural irrigation intelligent monitoring system based on multi-modal data. The system comprises a data acquisition module for acquiring humidity data in a period by using a humidity sensor on each area of a farmland to form a humidity sequence; acquiring different types of irrigation data of each time of irrigation in different regional periods; the region similarity analysis module is used for acquiring the soil state similarity of the two regions according to the humidity difference and the irrigation data difference in the periods of the two regions; the clustering analysis module is used for clustering all the regions to obtain different class clusters; the areas in one class cluster form a to-be-analyzed area; and the water demand analysis module obtains the final water demand coefficient of the to-be-analyzed region, constructs a water demand model, and then brings the area of the to-be-analyzed region and the final water demand coefficient into the water demand model to obtain the water demand of the to-be-analyzed region. The method can accurately determine the amount of water needing to be irrigated in each to-be-analyzed area.

The utility model provides a seeding device for agricultural planting, which relates to the field of seeding for agricultural planting and comprises a support frame, a water tank is mounted on the upper surface of the support frame, a water pump is placed in the water tank, the output end of the water pump is communicated with a hose, one end of the hose is communicated with adapters, and the outer surfaces of the adapters are jointly communicated with two water pipes. Seeds can be watered by arranging the water pump and the water spraying nozzles, after the seeds sequentially fall into the soil from the empty groove, the water pump operates to pump water in the water tank, a stable water flow conveying channel is formed along the hose, when water flow reaches the adapter, the water flow can flow into the water tank, and the water spraying nozzles are communicated with the water pipes. Water is divided into two branches to be injected into the water pipes on the two sides, then the water is sprayed out through the water spraying nozzles in the empty grooves, in this way, directional watering can be achieved while sowing is conducted, time delay of traditional secondary irrigation is avoided, and water resource loss is reduced to the maximum extent through an accurate positioning sprinkling irrigation mode.

The application relates to the field of crop seeding technology, and particularly discloses a wheat-corn interplanting self-adaptive seeding width regulation method based on crop and soil parameter identification, which comprises the following steps: normalizing soil body penetration resistance data to generate soil body penetration resistance score values and dividing seeding condition grades; jointly analyzing wheat grain moisture content data and soil slope data to construct a slope moisture content correlation matrix and perform dimension expansion to obtain interference characteristic factors; inputting wheat row spacing data, the seeding condition grades and the interference characteristic factors into a decision rule library to generate seeding width values and seeding density values; converting the seeding width values into channel boundary coordinate instructions of seeding machines, and driving the seeding machines to adjust the operation width of corn seeding according to the channel boundary coordinate instructions; and synchronously regulating the single irrigation amount of wheat medium-shallow buried drip irrigation. The application can improve the seeding precision and resource utilization efficiency of wheat-corn interplanting operation.

The invention discloses a water and fertilizer integrated drip irrigation and fertilization method and system for a bamboo forest based on soil detection, and belongs to the technical field of intelligent forestry and precise irrigation. According to the method, by arranging a soil multi-parameter sensor network, bamboo forest soil moisture and the content of key nutrients such as nitrogen, phosphorus and potassium are monitored in real time; based on the monitoring data, respectively calculating a deficit index reflecting the moisture condition and a demand index reflecting the multi-nutrient comprehensive demand degree; in combination with the current growth stage of the bamboo forest, dynamically determining the water demand of each irrigation and the application amount of the special fertilizer through an intelligent decision-making model, and accurately preparing a liquid fertilizer according to the actual deficit proportion of each nutrient; finally, according to the difference of water and fertilizer requirements of different areas in the land parcel, an irrigation system is controlled to achieve zoned variable precise fertilization. According to the method, collaborative intelligent decision and on-demand accurate supply of moisture and nutrients are realized, the utilization efficiency of water and fertilizer resources is remarkably improved, the labor cost and the environmental risk are reduced, and a complete technical solution is provided for modernization accurate management of the bamboo forest industry.

The utility model is suitable for the technical field of agriculture, and provides a movable irrigation mechanism. Moving the bottom plate; the water storage frame is fixedly mounted at the top of the movable bottom plate; the rotating structure is arranged in the middle of the water storage frame; the traction structure is arranged at the top of the rotating structure and is movably connected with the irrigation structure; and the irrigation structure is arranged at the top of the rotating structure. Compared with the prior art, the agricultural irrigation device has the advantages that the rotating structure is arranged on the movable bottom plate, and then the detachable irrigation structure is arranged on the rotating structure, so that the length of the irrigation structure can be adjusted according to the size of a farmland, a large range can be irrigated at a time, and the irrigation efficiency is improved; and the time required by traditional irrigation is shortened.

The invention discloses construction and system implementation of a water and fertilizer integrated accurate control model. The system determines the appropriate single-time irrigation amount (irrigation quota) according to the root system distribution and the soil type of the planting object; reasonably distributing the demands for different nutrients in different growth periods of the plant to each growth period of the plant according to a nutrient demand curve, and determining the fertilizer dosage in each growth period; and considering irrigation amounts and fertilization amounts in different growth periods, determining a fertilization concentration suitable for single operation, calculating a series of suitable nutrient solution preparation concentrations, and recommending the concentrations to a user for selection. Model construction is presented in a software mode, peripheral electrical equipment is controlled directly or remotely through a controller, and the function of precise irrigation and fertilization is achieved. Through the construction and implementation of the system, the use convenience of the intelligent water and fertilizer integrated system can be greatly enhanced, a set of simple and easy-to-use production tool is provided for planting farmers and agricultural technical service personnel, and agricultural precise irrigation and precise fertilization decision making are assisted.

The present invention discloses a tidal infiltration irrigation cultivation device, comprising: a box body with an open top and a feed pipe provided in the middle; a seedbed fixedly arranged on the inner side of the upper part of the box body, the seedbed including a horizontally arranged first support net and a plurality of funnel parts spaced below the first support net, a plurality of air holes are spaced on the side wall of each funnel part, and a waterproof and breathable film is fixedly arranged on each air hole; a plurality of infiltration irrigation pipes fixedly arranged on the first support net at intervals; a water pump fixedly arranged at the lower part of the box body, the water inlet of the water pump is communicated with the inside of the box body through a water inlet pipe, and the water outlet is communicated with a plurality of infiltration irrigation pipes through a water outlet pipe, and a first one-way valve is arranged on the water outlet pipe; a return water tank fixedly arranged below the funnel part, the top of the return water tank is communicated with the bottom of a plurality of funnel parts through a return water pipe, a second one-way valve is arranged on the return water pipe, and a drain pipe is arranged at the lower part of the return water tank, and a third one-way valve is arranged on the drain pipe. The present invention has the advantages of effectively improving the air permeability of the cultivation substrate in the seedbed and the like.

The present invention discloses a green plant wall with an irrigation system, which includes a frame. A plurality of layers of planting trays are arranged on one side of the frame. The green plant wall further includes: a water storage tank, an irrigation unit, a plurality of water receiving trays, and a one-way reflux unit; the water storage tank is arranged at the top of the frame, and a plurality of water outlets are arranged on its bottom surface; each group of irrigation units includes a main pipeline, an intermediate water tank, and a branch pipeline that are connected in sequence. The intermediate water tank is correspondingly arranged with each layer of planting tray. One end of the main pipeline away from the intermediate water tank is communicated with one of the water outlets, and one end of the branch pipeline away from the intermediate water tank is communicated with a corresponding planting tray; a plurality of water receiving trays are respectively arranged at the bottom of each planting tray; the one-way reflux unit is arranged between the intermediate water tank and the water receiving tray. Through the one-way reflux unit, the water in the water receiving tray can flow into the corresponding planting tray. Through the correspondingly arranged water receiving tray and the intermediate water tank, the water falling from each planting tray can be refluxed for the next irrigation, thereby avoiding flowing into the lower-layer planting trays.

The invention discloses a special forest-fruit water-fertilizer collaborative precise irrigation method using tunnel gushing wastewater, relates to the field of water-fertilizer collaborative irrigation, and aims to construct a tunnel gushing wastewater water quality dynamic database, establish a mapping relationship between special forest-fruit physiological signals and water-fertilizer demands, and integrate a drought valley microclimate mutation response mechanism. And calculating a single irrigation amount and an exogenous fertilizer amount based on a three-dimensional coupling water and fertilizer proportioning coefficient algorithm, and generating a dynamic water and fertilizer irrigation execution scheme. According to the method, the resource utilization of the tunnel gushing wastewater is realized, the gushing water subjected to pretreatment and deep purification is used for irrigation of characteristic forests and fruits, the problem of shortage of irrigation water in arid river valleys is effectively solved, and the waste of water resources is reduced. Part of exogenous fertilizer is replaced with gushing water natural mineral substances, chemical fertilizer input is reduced, planting cost is reduced, potential pollution of chemical fertilizer to soil and surrounding environment is reduced, and the requirement for green agriculture development is met.

The application relates to the technical field of irrigation devices, in particular to a water conveying device for farmland water conservancy irrigation. In view of the problem that the existing device leaves a hole after being retracted underground, and the soil around the hole falls into the hole and affects the normal work of the existing device, the water conveying device comprises a protection shell, a fixed pipe arranged in the protection shell, a sliding pipe slidingly connected with the fixed pipe, a first spring arranged between the sliding pipe and the fixed pipe, an adjusting shell communicated with the upper side of the sliding pipe, the adjusting shell being rotationally connected with the sliding pipe, a nozzle communicated with the upper side of the adjusting shell, and a protection cover rotationally connected with the upper side of the protection shell. The protection cover is opened during irrigation, the sliding pipe is extended out of the fixed pipe, the sliding pipe is retracted into the fixed pipe when irrigation is stopped, and the protection cover is closed, so that the nozzle is protected, the sliding pipe can be extended out during next irrigation, and the normal use of the device is ensured.

The embodiment of the invention discloses an intelligent irrigation control method and system, electronic equipment and a storage medium. The method comprises the following steps: acquiring growth stage information of a target crop, and determining environmental parameter conditions based on the growth stage information; acquiring soil environment parameters related to the crop root zone of the target crop; judging whether the soil environment parameters meet environment parameter conditions or not; if not, whether the target crop needs supplementary irrigation is determined according to the illumination accumulated radiation quantity from the last irrigation moment to the current moment; if yes, determining that the target crop does not need supplementary irrigation; when the target crop needs supplementary irrigation, the supplementary irrigation water and fertilizer amount is determined according to the illumination accumulated radiation amount, and the supplementary irrigation water and fertilizer amount is sent to the water and fertilizer machine to control the water and fertilizer machine to execute supplementary irrigation. According to the scheme, decision errors caused by single parameters can be effectively avoided, and the irrigation decision accuracy is improved.

An automated irrigation system includes a movable structure that has nozzles for spraying water on aimed area of ground. A controller selects a nozzle and determines a location in an unwatered area to be sprayed after the movable structure has moved forward. A predictive model that takes into account look-ahead sensor data for the location before watering and prior look-behind sensor data from a last time the location was watered is used to generate a watering prescription for the nozzle. After watering, the controller determines an error in detected moisture of the location according to updated look-behind sensor data and updates the predictive model if the error exceeds a threshold. When generating watering prescriptions for multiple nozzles, the controller normalizes their duty cycles by adjusting the speed of the movable structure and further customizes their nozzle control signals to ensure the nozzles do not turn off at same time.

The utility model relates to the technical field of pseudo-ginseng planting, in particular to quantitative watering equipment for pseudo-ginseng planting, which comprises a base, a weighing platform arranged at the top of the base, four mounting grooves formed in the top of the weighing platform, weighing sensors arranged in the mounting grooves, a supporting platform arranged at the top of the weighing platform, and four pressure-bearing columns arranged at the bottom of the supporting platform. A water storage tank is placed at the top of the supporting platform, a water outlet pipe is arranged at the bottom of the left side of the water storage tank, an irrigation water pump is arranged at the top of the base, and the input end of the irrigation water pump is communicated with the water outlet pipe through a water pumping pipe. According to the quantitative watering equipment for pseudo-ginseng planting, the weight change of the water storage tank is accurately measured through the weighing sensor, accurate control over the water injection amount is achieved, it can be guaranteed that a worker adjusts the required water amount according to the growth stage and the planting area of pseudo-ginseng every time irrigation is conducted, and the situation of excessive and insufficient watering is avoided; and the accuracy of moisture management is improved.

The present application relates to the technical field of data processing, in particular to a kind of municipal afforestation plant intelligent irrigation and maintenance method.The method first obtains the plant information of municipal afforestation area, meteorological data;Then, according to the actual water absorption of plant in last irrigation cycle, the predicted water absorption range of plant in the best soil moisture content range of afforestation area, the sufficient degree of water absorption of plant in this irrigation cycle is obtained, and the soil predicted moisture content of each time period in this irrigation cycle is obtained in combination with the soil moisture content increment variable of this irrigation cycle;According to the soil predicted moisture content, the sufficient degree of water absorption of plant in this irrigation cycle is obtained according to the predicted water absorption range;Finally, according to the sufficient degree of water absorption of plant in this irrigation cycle, the initial irrigation amount of this irrigation cycle is adjusted, and the afforestation area is irrigated.The present application can realize the accurate control of the irrigation amount of afforestation area.

The invention discloses a water conservancy irrigation device for water conservancy project construction, and relates to the technical field of water conservancy project construction equipment, the water conservancy irrigation device comprises a supporting bottom plate and further comprises a first irrigation mechanism, and the water conservancy irrigation device has the beneficial effects that the first irrigation mechanism, a second irrigation mechanism and a third irrigation mechanism are arranged, normal water delivery irrigation operation is guaranteed, and the water conservancy project construction efficiency is improved; a fourth valve is used for controlling opening and closing of a second water outlet, so that irrigation treatment is performed during construction of a water conservancy project in a required direction, a three-time irrigation effect is achieved, and the use flexibility of the equipment is improved through cooperative use of three irrigation equipment with different modes and different orientations; the recycling box, the power storage bin and the supporting frame are arranged, irrigation operation can be conveniently conducted on a movable water conservancy project building and a fixed water conservancy project building, meanwhile, the device can be conveniently and rapidly moved according to needs, the use requirements of different operation scenes are met, the overall use flexibility of the device is improved, and the device is suitable for being used and popularized.

The invention relates to the technical field of irrigation, and particularly discloses an intelligent agricultural irrigation control system based on the Internet of Things. Multi-source data of an irrigation area is collected in real time through a multi-source data collection module, and then normalization processing is performed on the data collected by different channels, so that the data are subjected to multi-source data collection under a unified scale; the irrigation period of crops is obtained based on a data analysis module according to the types of the crops and the current growth stage, then the irrigation amount of each time of irrigation is obtained through analysis according to the accumulated change condition of the parameters of the soil, an irrigation strategy is made based on the irrigation period and the irrigation amount, and during each time of irrigation, according to the actual environment parameters during irrigation, the actual environment parameters are calculated; the irrigation amount is dynamically adjusted, precise irrigation is achieved, and the water resource utilization rate is increased.

This invention is related to a gravity flow, multipurpose bidirectional nonpressurized climate smart subirrigation conduit apparatus for managing soil moisture and growing plants. The subirrigation conduit apparatus creates a suspended virtual water table at the desired buried depth, thus creating an anaerobic saturated zone and a capillary fringe. The capillary fringe is described in the art as a moisture zone that has perfect air and moisture mixture for plant growth, can also be used to irrigate with high turbidity obstruction liquids such as precipitation runoff and alternative waters such as untreated greywater. When too much water is present within the landscape, the Multipurpose bidirectional nonpressurized climate smart subirrigation conduit apparatus can be used in reverse flow to drain the landscape. Bidirectional nonpressurized flow is achieved by gravity water equalization thus cutting any need for energy consumption.

The invention relates to the technical field of agricultural cultivation, in particular to a saline-alkali soil sorghum water-fertilizer-salt comprehensive regulation cultivation method which comprises the following steps: before sowing, measuring basic physicochemical indexes of saline-alkali soil to determine the saline-alkali obstacle degree; performing irrigation operation to realize initial rapid conditioning; magnetic treatment water is adopted for first-time irrigation so as to guarantee seedling emergence and inhibit surface salt accumulation; dynamically monitoring salinity, moisture, pH value indexes of root zone soil and plant growth conditions; inputting the data obtained by dynamic monitoring and the basic physicochemical indexes into a pre-constructed water-fertilizer-salt coupling decision model; the water is applied to the sorghum root zone through an irrigation system, and the irrigation water amount aims at achieving dynamic balance of water and salt in the root zone; the improvement effect of the current season is evaluated, and feedback data is provided for initial conditioning of cultivation in the next season. The effect of the cultivation technology can be evaluated through the harvested soil feedback data, so that the cultivation method is continuously optimized, and a circularly improved benign mechanism is formed.

The invention relates to a farmland soil moisture content prediction and irrigation method, which comprises the following steps of: firstly, acquiring a soil moisture content prediction value of a target farmland before irrigation, then generating an irrigation instruction according to the soil moisture content prediction value, performing irrigation operation on the target farmland once, and acquiring a soil moisture content measured value of a soil layer; comparing the measured value of the soil water content with the corresponding predicted value of the soil water content, judging whether irrigation parameters in the subsequent irrigation process need to be corrected or not, determining a parameter adjustment basis if the irrigation parameters need to be corrected, and then adjusting the irrigation parameters according to the adjustment direction and the adjustment level. And selecting a corresponding parameter value from the plurality of discrete irrigation parameter values, and replacing the irrigation parameter adopted in the subsequent irrigation process, so that the subsequent irrigation process is carried out under the condition that the subsequent irrigation process is replaced. In a word, the method has the advantages of being simple in implementation mode, low in degree of dependence on a prediction model, stable in regulation and control process, high in parameter adjustment controllability and suitable for a complex farmland environment.

The application is suitable for the technical field of irrigation control systems, and provides an intelligent irrigation water resource control system for water distribution in irrigation areas, which comprises a control center, a sensor unit, an irrigation unit, a pump suction unit and a silt-cleaning pond, the control center comprises a real-time data module, a data-driven model and a real-time data fusion module, the real-time data module is used for receiving multi-source real-time data, the multi-source real-time data comprises soil moisture content, environmental temperature and humidity of the irrigation area and weather forecast data, the data-driven model comprises crop water requirement and growth conditions, the real-time data fusion module trains a model according to multi-source real-time data and historical data, takes a digital twin as a simulation environment, and simulates and deduces different irrigation schemes in multiple future periods before each irrigation decision, the application predicts the irrigation based on the digital twin and weather forecast, avoids the 'collision' with rainfall, and can save water by 15% to 25% in expectation.

The system may include a secondary irrigation feature that determines a percent of overlap of each of a plurality of submodules in a second lift over each of a plurality of submodules in a first lift and adjusts at least one of leaching operations or a leaching model based on the total tonnage weighted average of metal in the second lift. The method may further comprise determining an acid gap based on a difference between total acid given and total acid consumption; and further adjusting at least one of the leaching operations or the leaching model based on the acid gap. The method may further comprise determining a percentage of compacted material based on the material that is compacted and irrigated divided by the material that is irrigated; and further adjusting at least one of the leaching operations or the leaching model based on the percentage of compacted material.

The invention discloses an outdoor crop water and fertilizer integrated intelligent management and control method, device and equipment and a medium, and relates to the technical field of intelligent agriculture. According to the method, the soil water content, the effective radiation cumulant and the fertigation time interval of a controlled area are obtained, and when the soil water content reaches the lower limit of the soil water content, fertigation is conducted on the controlled area according to the first fertilization concentration until the irrigation amount is reached; when the effective radiation cumulant reaches the solar radiation cumulant threshold value and / or the fertigation time interval reaches the longest fertigation interval, fertigation is conducted on the controlled area according to the second fertilization concentration until the irrigation amount is reached. According to the invention, a composite trigger mechanism of three factors of soil moisture, solar radiation and time is combined, accurate control of outdoor water and fertilizer integration is carried out, and intelligent irrigation and fertilization with accurate opportunity, reasonable proportion and rapid response can be realized under the condition of remarkable natural environment fluctuation.

The invention provides a green irrigation system and method for a high and steep rock slope. The green irrigation system comprises a water collecting pool arranged at the top of the high and steep rock slope and a water storage pool arranged at the bottom of the high and steep rock slope. An irrigation pipe is arranged between the reservoir and the water collecting tank along the high and steep rock slope surface, a sprayer is arranged on the irrigation pipe, and the end, located in the reservoir, of the irrigation pipe is connected with a first water pump; a water conveying pipe is further arranged between the water storage pool and the water collecting pool, and a second water pump is connected to the end, located in the water storage pool, of the water conveying pipe. According to the system, infiltration and runoff water and natural rainfall after each time of irrigation are recycled through the reservoir, then the recycled water is conveyed into the water collecting tank through the second water pump, then the recycled water is conveyed into the irrigation pipe through the first water pump to irrigate vegetation on the high and steep rock slope surface, and the utilization rate of water resources is increased.