100 results about "Crop field" patented technology

Provided in the present disclosure are a method for increasing the biomass, yield and nitrogen utilization rate of crops, and an iron-rich compound fertilizer. The method comprises: supplementing and applying an iron fertilizer to a crop, wherein the microelement iron in the iron fertilizer can significantly promote the absorption and assimilation of the mineral nutrition of a nitrogen-containing chemical fertilizer by the crop to which the fertilizer is applied, thereby producing a synergistic effect, and the amount of the iron fertilizer applied to the crop is 0.37-0.74 kg per Chinese acre. Moreover, by means of the method provided by the present disclosure, the tillering number and the nutrient absorption and utilization of the crop can be improved after fertilization according to a method for field crops and normal field management of crops, thereby effectively improving the biomass, yield and nitrogen utilization rate of the crop.

The invention discloses a slow-release coating for pesticide-fertilizer particles and a preparation method of the slow-release coating, and belongs to the technical field of biological agriculture. The coating is composed of 30-60 parts of potassium fulvate, 20-40 parts of a high polymer material, 5-15 parts of a lubricant, 5-10 parts of a binder and 1-10 parts of a performance additive, the performance additive is prepared into nanoparticles through tetraethoxysilane and 11-chlorodecanoic acid, and the nanoparticles are modified through a silane coupling agent and then crosslinked with chitosan to form a composite structure. According to the preparation method, a double-screw gradient mixing process (800-1200 rpm, 40 + / -5 DEG C) is adopted, and fluidized bed atomization spraying and three-stage drying are combined. According to the technical breakthrough, the utilization rate of zinc ions is increased to 68.2% from 41.5%, the coating crushing strength reaches 48.3 N, the 28d zinc release amount is 12.3 mg / L, and the 30d degradation rate is 14.2%. Through the synergistic effect of pH buffering of potassium fulvate and modified nanoparticles, the problems of zinc immobilization and phosphorus-zinc antagonism of high-pH soil are effectively solved, the fertilizer is suitable for corn, rice and other crops, and field tests show that the yield is increased by 18.7%.

The invention discloses a crop field fertilization decision-making system based on big data analysis, which belongs to the technical field of field crop intelligent management, and comprises a data acquisition module, a storage and management module, an analysis and model construction module and a decision-making output module. Data acquisition is integrated with multiple means such as a high-precision soil sensor, satellite remote sensing and an unmanned aerial vehicle, and soil, crop growth and meteorological data are comprehensively obtained; the storage and management module adopts a distributed database in combination with a multivariate data processing technology to guarantee data quality and storage efficiency; constructing a precise model by using a neural network algorithm and performing dynamic optimization; decision output provides a personalized fertilization report which is conveniently displayed by means of a visual interface and a mobile terminal application. The system can improve fertilization decision accuracy, reduce fertilizer waste and improve crop yield and quality, is suitable for various farmland scenes, and provides an efficient and intelligent solution for modern agricultural precise fertilization.

The invention relates to a crop plot identification method and system based on time sequence vegetation characteristics, and the method comprises the steps: constructing a normalized difference vegetation index time sequence according to a multi-temporal satellite remote sensing image, and generating a crop probability distribution diagram through a crop classification model; performing connected domain analysis on the crop probability distribution map, extracting the center of gravity of an effective connected domain as a forward attention point, scanning the crop probability distribution map by using a sliding window, and generating a reverse attention point; based on the forward attention point and the reverse attention point, segmenting the high-resolution remote sensing base map through a visual segmentation model, generating a candidate mask set, and screening to reserve a mask with the maximum area as a land parcel segmentation mask of the forward attention point; and combining all the plot segmentation masks to generate a crop plot identification graph, and converting the boundary of each plot segmentation mask into a geodetic coordinate sequence to obtain plot vector boundary data. The method improves the recognition accuracy, and achieves the automatic and precise segmentation of the boundary of the land parcel.

The invention provides a method for improving biomass, yield and nitrogen utilization rate of crops and an iron-rich compound fertilizer.The method comprises the steps that an iron fertilizer is supplemented and applied to the crops, so that the microelement iron in the iron fertilizer can remarkably promote absorption and assimilation of the applied crops on mineral nutrition of the nitrogenous fertilizer, and the synergistic effect is achieved; wherein the application amount of the iron fertilizer to the crops is 0.37-0.74 kg per mu. And by adopting the method provided by the invention, the tillering number and nutrition absorption and utilization of crops can be enhanced according to a fertilization method of field crops and normal crop field management, so that the biomass, the yield and the nitrogen utilization rate of the crops are effectively improved.

The invention discloses an agricultural water-saving irrigation device, and relates to the technical field of water-saving irrigation, the agricultural water-saving irrigation device comprises a rain storage assembly, a drip irrigation assembly and a pesticide conveying assembly, the drip irrigation assembly drips irrigation water into a crop field, and the pesticide drips into the crop field when the irrigation water passes through the pesticide conveying assembly. According to the agricultural water-saving irrigation device, when irrigation water flows through the water supply pipe, the water can drive the turbine to rotate, meanwhile, the pesticide supplementing wheel is made to rotate, when the surface, attached to pesticide, of the pesticide supplementing wheel is rotated into the drip irrigation pipeline, the irrigation water flowing through the drip irrigation pipeline can wash away the pesticide on the surface of the pesticide supplementing wheel, and then the water flowing into the drip irrigation pipeline is mixed with the pesticide; pesticide can be supplied according to needs, the situation that the pesticide is deposited in the pool is avoided, the situation that crops grow unevenly due to non-uniform pesticide application can be prevented, and irrigation water mixed with the pesticide flows in the drip irrigation pipeline and is dripped to the root system portions of the crops from all drip irrigation heads in a drip irrigation mode.

The invention relates to the technical field of agricultural remote sensing classification, and provides an intelligent field extraction and fusion method for high-resolution satellite images. The method comprises the following steps: step 1, collecting high-resolution satellite images of different areas and preprocessing the high-resolution satellite images to obtain a high-resolution satellite image data set; 2, constructing a high-resolution image field intelligent extraction and fusion network, and training the high-resolution image field intelligent extraction and fusion network by using the high-resolution satellite image data set to obtain a high-resolution image field intelligent extraction and fusion model; wherein the high-resolution image field intelligent extraction fusion network comprises a cultivated land information intelligent extraction module, a cultivated land boundary multi-task deep learning module and an improved mean shift multi-scale segmentation module. According to the method, layered extraction of cultivated land information extraction, cultivated land block boundary determination and crop field block segmentation is carried out in the cultivated land fragmentation area by fusing multiple remote sensing methods, and the refined extraction requirement of precision agriculture can be met.

Disclosed are a system, method and apparatus to process attributes of electrical power signals applied for the reduction in surface tension of irrigation water. In one particular implementation, a recommended schedule for irrigation of a crop field may be determined and / or modified based, at least in part, on measurements of the attributes of electrical power signals.

This disclosure relates generally to system and method to determine crop growth stage nutrient deficiencies. Diagnosing correct nutrient deficiencies in the plant is very challenging based on plant image analysis during the cropping season. The method of the present disclosure enables assessing nutrient deficiency using image processing techniques according to current crop growth stage. The method receives from an image capturing device a plurality of crop images of one or more crop fields. Further, trained single shot deep learning network determines a crop growth stage from a plurality of crop growth stages for each crop by extracting a plurality of morphological features. Then, the health state of the crop is determined based on a balanced plant nutrition index (BPNI) value. Further, a plurality of nutrient deficiencies corresponding to the current crop growth stage of the unhealthy crop. Further, a total nutrient deficiency score for deficient nutrients of the unhealthy crop.

The invention belongs to the technical field of pesticide weeding, and discloses a weeding composition and application thereof.The weeding composition comprises an active ingredient A and an active ingredient B. The active ingredient A is isoxamid, and the active ingredient B is any one of florasulam, penoxsulam and flumetsulam. The mass ratio of the active component A to the active component B is (1: 16)-(80: 1). The invention also discloses the weeding composition. The weeding composition is suitable for preventing and removing broadleaf weeds, nutgrass flatsedge and grassy weeds in various crop fields.

The present application provides a kind of herbicidal composition comprising trifluralin, acetochlor and thifensulfuron-methyl, active ingredients comprising trifluralin, acetochlor and thifensulfuron-methyl, and the mass ratio of trifluralin, acetochlor and thifensulfuron-methyl is 10-30:20-40:0.5-2.The herbicidal composition of the present application can be used for the control of annual weeds in crop fields, and has a significant synergistic effect.

The present application provides a kind of crop growth information fast generation method and device, utilize satellite remote sensing inversion to carry out the regular growth situation monitoring of crop, support rice, corn, rape, citrus, tea and other crop field growth sustained monitoring and growth stage growth state monitoring.First, to the obtained multi-temporal optical image, time series optical image reconstruction and data space-time fusion are carried out, and high space-time remote sensing data is generated.Then, from the high space-time remote sensing image, the remote sensing parameters related to crop growth are extracted, multiple parameters such as normalized vegetation index and normalized difference yellow index are calculated, and high space-time crop growth grid results are obtained.Under the spatial constraint of crop vector plot, the elements are converted to grid, as mask data, the mask extraction resampled high space-time crop growth grid result is obtained, the spectral characteristics of the corresponding unit crop are obtained, the band set statistical calculation is carried out to obtain the mean value of the growth index of a certain crop, and the comprehensive evaluation result of plot-level crop growth is obtained.

The present invention relates to the field of cotton aphid control, and in particular to a compound combination for repelling cotton aphids, a cotton aphid repellent and uses. In the compound combination for repelling cotton aphids, the effective components for repelling cotton aphids include diallyl disulfide and propyl disulfide. The present invention finds that diallyl disulfide and propyl disulfide both have obvious repellent effects on cotton aphids, and the combination of diallyl disulfide and propyl disulfide can be used as a cotton aphid repellent and a cotton aphid repellent, which provides a new way for environmentally friendly and efficient prevention and control of cotton aphids that harm crops such as cotton, and is of great significance for the prevention and control of cotton aphids in crop fields, and has broad economic, social and ecological benefits.

The invention relates to the technical field of intelligent agriculture, and discloses a facility vegetable field prediction system and method based on multi-modal vision, and the system comprises a terminal control and data collection system which is used for carrying out the image collection of the growth condition of leafy vegetables in a vegetable field; the data processing system is used for denoising, correcting and registering the images and aligning the images of different modalities in space; and the data analysis system reconstructs a 3D model of the plant by using point cloud data of a depth camera or LiDAR, and constructs an integrated sensing system of a two-dimensional form, a three-dimensional structure, a physiological state and a moisture condition by fusing RGB, hyperspectrum, depth and thermal imaging multi-mode image acquisition equipment. According to the system, the technical bottleneck of one-sided information of a single sensor is effectively overcome, the number of leaf vegetables, the canopy volume, the chlorophyll content, the canopy temperature and key parameters directly related to yield formation can be synchronously obtained, and a solid data foundation is laid for high-precision yield prediction.

The invention discloses a seedling condition information determination method and device, equipment and a storage medium. The method comprises the steps of performing conventional segmentation on an acquired unmanned aerial vehicle image to obtain a conventional segmented image set, and performing dislocation segmentation on the acquired unmanned aerial vehicle image to obtain a dislocation segmented image set; determining a first image set according to the conventional segmentation image set, and determining a second image set according to the error segmentation image set; according to a pre-trained crop seedling identification model, identifying the first image set to obtain a first seedling identification result, and identifying the second image set to obtain a second seedling identification result; and determining seedling condition information according to the first seedling identification result and the second seedling identification result. According to the technical scheme of the embodiment, the crop seedling identification model is pre-trained, the two segmented images of the unmanned aerial vehicle image data are identified, the seedling condition information of the target crop field row crops is determined, and crop field seedling condition monitoring based on the unmanned aerial vehicle image is realized.

A row crop header for harvesting crop in a field comprises a header frame having a center section and a pair of side wing sections operatively coupled to the center section. An upper link is pivotally coupled between the center section and each one of the side wing sections adjacent the top portion thereof. A lower link is pivotally coupled between the center section and each one of the side wing sections adjacent the bottom portion thereof. The upper links and lower links provide independent pivotal movement of the side wing sections relative to the center section to contour to the surface of the field of crops to be harvested. An automatic float system is operatively coupled between the center section and each one of the side wing sections to adjust the weight of the side wing sections on the surface of the field and allow the side wing sections to float relative to the center section.

The invention belongs to the technical field of pesticide weeding, and discloses a herbicide and application thereof.The herbicide comprises an active ingredient A and an active ingredient B. The active ingredient A is isoxamid or ester thereof, the active ingredient B is any one of haloxyfop-R-methyl, quizalofop-p-ethyl or fluazifop-p-butyl, and the active ingredient B is one of haloxyfop-R-methyl, quizalofop-p-ethyl and fluazifop-p-butyl. The mass ratio of the active component A to the active component B is (1: 15)-(24: 1). The herbicide provided by the invention can effectively prevent and treat weeds in various crop fields, can effectively enhance the prevention and treatment effect of a single agent, has no adverse effect on crop growth, and is good in safety.

The invention provides a quizalofop-p-ethyl and imazamox compound missible oil preparation, which successfully solves the problem of crystallization of imazamox, and ensures the emulsifying dispersity at the same time. Compared with the prior art, the preparation disclosed by the invention has remarkable advantages in the aspects of storage stability, volatility resistance and field applicability. The quizalofop-p-ethyl and imazamox compound missible oil preparation disclosed by the invention is mainly applied to fields of crops such as soybeans and corns, and can be used for preventing and removing gramineous weeds and broadleaf weeds at the same time and delaying the development of drug resistance of the weeds.

The present invention relates to novel pesticidal and / or herbicidally active compounds, agrochemical compositions thereof, processes for their preparation and their use for controlling the growth of undesirable plants (e.g. weeds), for example in crop fields.

The invention relates to the technical field of pesticides, and discloses a weeding composition and application thereof. The effective components of the weeding composition comprise mesosulfuron-methyl, isoproturon and metribuzin. The weeding composition can be applied to prevention and treatment of annual weeds in wheat crop fields. The invention provides a mesosulfuron, isoproturon and metribuzin ternary compound composition, a method for preparing the dispersible oil suspension and assistant optimization, the product stability is improved, the dispersible oil suspension can tolerate high and low temperature intervals, meanwhile, the dispersible oil suspension can tolerate different water qualities such as C water, D water and 3WHO water, the product suspension rate is high, and the dispersible oil suspension can be subsequently used in different countries and regions and has wide application prospects. And large-scale popularization and application are facilitated.

The invention provides a crop contour automatic extraction method, which comprises the following steps of: firstly, acquiring crop field images with multiple growth periods, multiple illumination and multiple backgrounds, and constructing a high-quality training data set through labeling and preprocessing; then, an end-to-end E2EC model is used as a backbone, a Cropform crop contour extraction model is constructed, a lightweight encoder is additionally arranged in a decoding stage, a double-branch decoder is introduced, high-semantic and instance-level structural features are cooperatively extracted, and an edge form is constrained in combination with a contour loss function; the model is trained and optimized through multiple rounds of iteration, and the local geometric feature capturing capability is enhanced by means of CCL; upper computer software is constructed based on PyQt5, a model inference engine is integrated, images, video streams and camera real-time pictures can be called, crop segmentation and contour extraction are automatically completed, and edge lines, contour forms and mask data are output. The method is efficient and accurate, provides technical support for crop growth monitoring, is high in practicability, and remarkably improves the fine segmentation capability of the crop contour while ensuring the reasoning efficiency.

The invention belongs to the technical field of agricultural biological control, and discloses a parasitic wasp cross-season release method and system based on an ecological island and application. The parasitic wasp cross-season release method based on the ecological island comprises the steps that S1, plants with the trapping effect on target pests are planted in 2-3 point positions per mu on the periphery of an annual crop field; s2, before field planting of the trapping plants, pest prevention and control treatment is carried out on the trapping plants; s3, after the trapping plants are planted, pest traps are arranged at the planting points in a centralized mode, and target parasitic wasps are put in the planting points in a centralized mode. By means of the cross-season release method and system for the parasitic wasps, the overwintering survival rate of the parasitic wasps can be increased to 58.7% from 9.2%, the parasitic rate of target pests in the next year is increased by 32.5%, the annual release frequency is reduced by 1-2 times, and the cost is reduced by 40%.

The present invention relates to novel a pesticidally and / or herbicidally active compounds, agrochemical composition thereof, methods of preparation thereof, and uses thereof for controlling the growth of undesirable plants (e.g., weeds), for example in crop fields.

The application discloses a crop yield estimation method and system based on hierarchical identification and weight decision fusion, and relates to the technical field of crop yield estimation. The method comprises the following steps: inputting a visible light image of a target mature period crop field block obtained to a yield grading model to obtain yield grade output values corresponding to yield grade values of the visible light image of the target mature period crop field block; the yield grade values are determined according to yield grade rules; confidence score values corresponding to each yield grade output value are calculated, the confidence score values are arranged in descending order, then the first m confidence score values are selected and normalized to obtain m yield grade weight values; the m yield grade weight values are multiplied by corresponding yield grade values respectively and accumulated to obtain a yield estimation value of the target mature period crop field block; and the application can accurately and quickly predict the yield value of the mature period crop field block.

The tape spreader type has an adjustable automatic electric soiling system, designed in the field of agricultural machinery and mechanized drip irrigation equipment. The use of drip irrigation tapes requires precise and uniform installation of the tape in the fields, which is faced with difficulties such as fixing the tape on the soil surface and adjusting the depth of the tape placement. This device, with four parallel spreading units, performs tape spreading operations in two surface methods along with automatic sectional soiling and subsurface with the ability to adjust the depth. The electric earthmoving system, with automatic and adjustable operation, is managed through a central control panel and provides settings such as the distance between earthmoving sections, earthmoving length, and the penetration depth of the earthmoving machines electronically. The machine is equipped with a suspension system to maintain a uniform height of the spreading units relative to the crop bed and has the ability to create regular furrows with adjustable furrowing furrows, which is applicable to all types of crops and non-sloping lands, including manual cultivation conditions, and the possibility of furrowing and spreading the strip simultaneously is provided. This machine is mainly designed for implementing drip irrigation strips in corn, wheat, barley, rapeseed, onion and other crop fields.

The application belongs to the technical field of pesticide weeding, and discloses a kind of herbicide and its application, the herbicide contains active ingredient A and active ingredient B, the active ingredient A is isoxaflutole or its ester, the active ingredient B is any one of high-efficiency haloxyfop, quizalofop-p or acifluorfen-s, the mass ratio of the active ingredient A and the active ingredient B is 1:15-24:1.The herbicide can effectively prevent and treat various crop field weeds, can effectively enhance the prevention and treatment effect of single agent, has no adverse effect on crop growth, and has good safety.

The invention discloses a farmland boundary construction and operation area calculation method and device, a system and a storage medium. The method comprises the following steps: acquiring a farmland image and GNSS / IMU metadata thereof; according to the farmland image and the GNSS / IMU metadata thereof, extracting semantic features for distinguishing crops, ridges and non-cultivated land and capturing detail features for fine trend of the ridges; simulating a surveying and mapping person to walk along the ridge for dotting according to the semantic features and the detail features to obtain ridge polygon vertexes; obtaining an offset field from each pixel to a geographic coordinate according to the GNSS / IMU metadata; according to the ridge polygon vertexes and the offset field, obtaining a geographical polygon; obtaining a prediction area according to the geographical polygon; and outputting a georeferenced vector boundary and a credible surface based on end-to-end training optimization. By adopting the technical scheme of the invention, the precision of the operation area of the agricultural machine is greatly improved, and the field map distribution is accurately obtained.

A computer-implemented method for determining at least one of the treatment parameters selected from the group consisting of: (a) at least one rate (seeding rate) for planting at least one crop in a field or a sub-field zone, (b) at least one depth (seeding depth) for planting at least one crop in a field or a sub-field zone, and (c) at least one time window (seeding time) for planting at least one crop in a field or a sub-field zone, comprising the following steps: (step 1) receiving by the computing unit—from a database and / or from user input and / or from real-time measurements—crop data relating to the at least one crop to be planted in the field or in the sub-field zone and static field data relating to the field or the sub-field zone, (step 2) receiving by the computing unit—from a database and / or from user input and / or from real-time measurements—at least one type of additional data selected from the group consisting of: (A) yield data relating to the field or the sub-field zone, (B) weather data relating to the field or the sub-field zone, and (C) soil data relating to the field or the sub-field zone, (step 3) at least based on the crop data, and the static field data, and the at least one type of additional data, initiating and / or performing data processing in at least one database and / or database system containing (i) data related to crop data and / or data related to static field data, (ii) data related to the at least one treatment parameter, and (iii) data related to at least one type of additional data selected from the group consisting of: yield data, weather data, and soil data, (step 4) outputting the at least one treatment parameter based on the result of the data processing.

This invention discloses a method for controlling root rot of Panax notoginseng based on a fungal synthetic microbial community and its application, belonging to the field of plant disease biological control technology. The method involves screening six fungal strains from the rhizosphere soil of healthy Panax notoginseng plants that have survived for three years in continuously cropped fields. These strains exhibit highly efficient antagonistic activity (inhibition rate ≥70%) against three pathogens of the genus *Fusarium*. A synthetic microbial community containing *Trichoderma atroviride*, *Trichoderma hamatum*, *Trichoderma petersenii*, *Trichoderma neokoningii*, *Trichoderma virilente*, and *Phanerochaete concrescens* was constructed at a viable count ratio of 1:350:590:14:30:755, and prepared to a spore concentration of 10... 8 -10 9 Capsules containing 10⁸ CFU / g are used. Before planting, apply the fertilizer to the bottom of the planting hole. After emergence, apply the fertilizer using a fertilizer applicator within a 5cm radius around the roots, 20-30g per plant (based on 10⁸ CFU / g). Apply once a month from 4-6 months after emergence, for three consecutive applications. During the application period, maintain soil moisture at 60%-70% and a temperature of 13-20℃. This method can reduce the incidence of root rot in Panax notoginseng to below 10.60%, while increasing yield per plant by 6% and increasing total saponin content by ≥20%, combining prevention, growth promotion, and environmental safety.

This invention relates to the field of pesticide technology and discloses a herbicidal composition and its application. The active ingredients of the herbicidal composition include mesosulfuron-methyl, isoproturon, and metribuzin. The herbicidal composition can be applied to control annual weeds in wheat-growing fields. This invention provides a ternary compound composition of mesosulfuron-methyl, isoproturon, and metribuzin, and provides a method for preparing a dispersible oil suspension and preferred adjuvants, improving product stability and enabling it to withstand high and low temperature ranges. Furthermore, this invention can withstand different water qualities such as C-type water, D-type water, and 3WHO-type water, and the product has a high suspension rate, which can subsequently meet the needs of different countries and regions, facilitating widespread application.