156 results about "Corn field" patented technology

The invention belongs to the technical field of unmanned aerial vehicle remote sensing and agriculture combination, and discloses an intelligent decision-making system and method for corn fertilization based on mechanism-data dual-drive fusion. The system comprises a mechanism simulation module, a data preprocessing module, a feature engineering module, a modeling module, a visualization module, a decision support module, a dynamic feedback correction module and a report generation and push module. According to the mechanism-data double-drive fusion-based intelligent decision-making system and method for corn fertilization, a large-area corn field block image is obtained in a short time through an unmanned aerial vehicle multispectral system, and the nitrogen diagnosis efficiency is improved; through a lightweight machine learning agent model, corn canopy leaf nitrogen nutrition parameters are accurately predicted, and a basis is provided for accurate fertilization; the system monitors the nitrogen nutrition status of the corn in real time, and provides possibility for dynamically adjusting a fertilization strategy; the multispectral remote sensing technology can perform nitrogen nutrition diagnosis under the condition of not damaging corn plants, and the corn growth environment is protected.

The invention discloses a corn field weed detection method and device based on improved YOLOv11. The method comprises the following steps: acquiring and constructing a weed image data set for model training; replacing a backbone network of the YOLOv11n baseline network with a double-flow visual network, and taking the replaced network as a first optimized network; replacing the original pyramid pooling module with an enhanced receptive field module at the tail end of the backbone network of the first optimized network to obtain a second optimized network; in a neck feature fusion layer of the second optimization network, a self-adaptive context guide fusion module is used for replacing traditional splicing, and a third optimization network is obtained; and taking the third optimization network as a final lightweight high-precision weed detection model DEA-YOLO11, and detecting field weeds based on the model. According to the method, the problem of low detection precision caused by insufficient global context sensing capability, fine-grained feature loss and low multi-scale feature fusion efficiency of a weed detection model in a complex agricultural scene in the prior art is solved.

The invention discloses a corn disease recognition method based on an improved generative adversarial network. The corn disease recognition method comprises the steps that S1, an initial low-resolution image of a corn field is collected and obtained through an unmanned aerial vehicle; s2, performing super-resolution reconstruction on the initial low-resolution image by using an improved generative adversarial network model; the model construction comprises the following steps: S2.1, constructing a shallow feature extraction layer; s2.2, constructing a deep feature extraction network based on a plurality of RRDB nested residual dense blocks; s2.3, constructing an attention module based on a space and channel dual attention mechanism; s2.4, a multi-scale texture enhancement module is constructed through multi-scale convolution and smooth branches; s2.5, constructing a global residual connection layer; s2.6, constructing an adaptive hybrid up-sampling module based on transposed convolution and stable up-sampling; s2.7, performing mapping output on the features after up-sampling; and S3, carrying out disease prediction on the high-resolution reconstructed image. According to the method, details such as spatial resolution and texture of the unmanned aerial vehicle high-altitude flight remote sensing image are improved, and then the corn disease monitoring precision is improved.

Methods for delayed harvesting of corn fields are provided herein. These methods provide an extended, flexible period of time to harvest corn. The methods allow growers to harvest their corn at the optimal time for drying down or accessing seed, without increasing the risk of losing yield to lodging.

The invention provides a corn disease and insect pest detection method based on MTA-YOLOv11. The problem that an existing detection method is insufficient in small target recognition and edge feature perception in a complex environment is solved. According to the method, on the basis of YOLOv11n, an MERDEM module, a TK-Focus Block module and an MLKD module are introduced and used for enhancing a detail edge, focusing a key area and fusing multi-scale global semantics respectively, and therefore the model can more accurately detect pest and disease damage targets under the complex background; the method comprises the following steps: constructing a Corn-d corn disease and insect pest image data set, dividing the Corn-d corn disease and insect pest image data set into a training set and a verification set in proportion, evaluating a training process of an MTA-YOLOv11 model through the verification set and storing an optimal model weight, and reasoning a corn field image to be detected according to an optimal model corresponding to the optimal model weight, and outputting a detection result containing the disease and pest category, the positioning frame and the visual label. The corn disease and pest detection precision is improved, and the method is light in weight and high in adaptability to complex scenes.

The invention discloses a corn field weed detection method and device based on improved YOLOv11, and the method comprises the steps: collecting a weed picture, marking with a LabelImg marking tool, and constructing a data set with various types of weeds; based on the weed data set, performing structure optimization on the YOLOv11 target detection network to obtain a first optimized network; integrating a parameter-free space attention mechanism SimAM module in the first optimization network to obtain a second optimization network; on the basis of the second optimization network, designing an ACC3k2 module, obtaining a third optimization network, and constructing a feature enhancement network; on the basis of the third optimized network, introducing a DySample up-sampling operator to obtain a fourth optimized network; and taking the fourth optimized network as a final lightweight weed detection network, and detecting weeds in the corn field based on the lightweight weed detection network. The device comprises a processor and a memory. According to the invention, a feasible path is provided for realizing agricultural field intelligent weeding, and a technical support is provided for promoting automatic, efficient and green development of agricultural production.

Methods for delayed harvesting of corn fields are provided herein. These methods provide an extended, flexible period of time to harvest corn. The methods allow growers to harvest their corn at the optimal time for drying down or accessing seed, without increasing the risk of losing yield to lodging.

The invention discloses a corn flowering period regulation gene Zm00001d032922 as well as an encoding protein, a molecular marker and application of the corn flowering period regulation gene Zm00001d032922. According to the application, a key gene Zm00001d032922 which affects differentiation from apical meristem to tassel is cloned by utilizing a reproductive defect natural mutant id1 found in a corn field breeding line selection process, and the gene encodes a C2H2 type zinc finger protein transcription factor; the Zm00001d032922 gene is used for regulating and controlling the flowering period of the corn, and has an important value for improving the growth period of the corn; the identification of the excellent haplotype of the Zm00001d032922 provides technical support and excellent germplasm resources for the utilization of the gene. By utilizing the gene and the molecular marker disclosed by the invention, the creation of high-yield or high-quality breeding materials of corn can be facilitated, the breeding period of new crop varieties can be shortened, the breeding cost can be reduced, and the breeding efficiency can be improved.

The invention relates to a corn ZmmtRF2a gene mutation marker, an identification primer and application of the corn ZmmtRF2a gene mutation marker in regulation and control of grain development. A natural grain mutant crk5 found in a corn field breeding line selection process is utilized, a target gene ZmmtRF2a causing crk5 grain mutation is obtained through phenotypic analysis, linkage analysis and map-based cloning technologies, the gene encodes a peptide chain release factor 2a for mitochondrial localization, the peptide chain release factor 2a affects the mitochondrial function, and the gene can be used for inducing the mutation of the crk5 grain. The development of corn embryos and endosperm and the accumulation of grain storage substances are regulated and controlled. In crk5, ZmmtRF2a lacks 5th to 7th exons, the encoded truncated protein does not have GGQ and SPF motifs, the motifs are crucial to release activity of RF, mitochondrial binding and termination codon recognition, technical support is provided for utilization of the gene, and a new way is opened up.

The invention discloses an annual double-cropping disaster prevention and high yield method for wheat and corn. The method comprises the following steps: S1, wheat sowing regular period and sowing land preparation; s2, wheat seed treatment, wherein high-quality seeds are selected and mixed with tebuconazole and imidacloprid; s3, wheat sowing operation, wherein drill sowing is adopted; s4, preparation before corn sowing, wherein corn seeds are soaked with a solution containing nitrogen-fixing bacteria and amino acid before sowing; s5, no-tillage treatment is conducted after wheat harvesting, a specific microorganism straw degradation agent is sprayed, and straw is smashed and scattered during harvesting; s6, corn seed treatment and sowing regular period; s7, corn sowing, wherein a seed and fertilizer simultaneous sowing machine is adopted for sowing; s8, corn field management; s9, meteorological disaster prevention; s10, disease and pest control; and S11, soil management. The method is remarkably superior to conventional and other planting methods, the yield and stability are effectively improved, the disaster resistance is enhanced, the water resource utilization rate is increased, a scientific and efficient scheme is provided for annual double cropping planting of wheat and corn, and agricultural sustainable development is assisted.

The invention discloses a nicosulfuron-containing herbicidal composition and application thereof. The herbicidal composition is prepared from the following components: nicosulfuron, amicarbazone, and dimethyltetrachloroisooctyl ester as well as a dispersant, an emulsifier, a wetting agent, a thickening agent, an antifreeze, and a dispersion medium, wherein the dosage form belongs to a dispersed oil suspension agent. Through the combination of the three active ingredients, the herbicidal composition has an obvious synergistic effect, the use amount of pesticides is reduced, the cost and environmental pollution are reduced, the drug resistance of corn field weeds can be delayed by the application of the composition, and the control spectrum is expanded.

The invention discloses an efficient corn straw returning method, which belongs to the technical field of agriculture and comprises the following steps: layering soil of a large-scale corn field along the vertical direction, and acquiring the organic matter concentration of each soil layer; obtaining a soil middle layer organic matter concentration value in the corn field to obtain corn field subareas of the large-range corn field; based on the organic matter concentration historical numerical value of each soil layer in the corn field subareas, obtaining an organic matter transfer rule between the soil layers; on the basis of an organic matter transfer rule between soil layers, the returning straw amount of the corn field subareas is obtained; based on the amount of returning straw of the corn field subareas, the putting amount of a corrosion promoting agent of the corn field subareas is obtained; the method comprises the following steps: preparing returning straws and a corrosion promoting agent based on the returning straw amount of corn field subareas and the corrosion promoting agent putting amount of the corn field subareas, and setting a new soil bottom layer in autumn; and constructing a new soil middle layer and a new soil surface layer based on the new soil bottom layer. The problem that in the prior art, the amount of returned straw is set unreasonably is solved. And the obtaining effect of straw returning operation is fully improved.

The invention relates to the field of corn water content prediction, in particular to a corn kernel water content field intelligent prediction method, which comprises the following steps of: acquiring a corn plant spectral image and corn kernel water content data, and performing stability screening on spectral pixel reflectivity data to obtain a preliminary spectral band screening result; performing band weight analysis on the preliminary spectral band screening result to obtain the importance degree of each spectral band in the preliminary spectral band screening result; performing weighted optimization on the spectral pixel reflectivity data through the importance degree of each spectral band, performing PLSR model establishment through the optimized spectral pixel reflectivity data and the corn kernel water content data, and performing corn kernel water content prediction on the corn field spectral data through a corn kernel water content prediction model. Therefore, the prediction precision of the water content of corn kernels is improved.

The invention belongs to the technical field of agricultural information, and discloses a rapid detection method and system for the plant number of high-oil corn in the seedling stage, and the method comprises the following steps: selecting a high-oil corn monitoring field; the multi-dimensional data of the high-oil corn field is obtained through carrying image acquisition equipment by an unmanned aerial vehicle; performing multi-dimensional data preprocessing; seedling segmentation and identification; performing plant number statistics and verification; and storing and analyzing data. According to the rapid detection method and system for the plant number of the high-oil corn in the seedling stage, data support is provided for analysis and prediction of the growth condition of the corn, field management measures are optimized, and the yield and quality of the corn are improved; the plant number of the high-oil corn in the seedling stage can be rapidly and accurately detected, and the efficiency and accuracy of field management are improved; the method has wide applicability and can be used for corn field management in different growth stages and growth environments.

The utility model relates to a corn field operation seeder capable of adjusting plant spacing. The device comprises a rack, a ditching mechanism, a sowing mechanism, a soil covering disc and a pressing mechanism, the ditching mechanism is installed at the front end of the rack, and seed ditches can be formed through the ditching mechanism; the seeding mechanisms are mounted on the rear sides of the ditching mechanisms and are in one-to-one correspondence with the ditching mechanisms; the soil covering disc is mounted on the rear side of the seeding mechanism, and soil covering can be performed on the seed furrows through the soil covering disc; the pressing mechanism is installed on the rear side of the soil covering disc, and covering soil can be pressed through the pressing mechanism. The scheme provided by the utility model is simple in structure, low in manufacturing cost and suitable for small-scale corn seeding, and manual seeding is replaced, so that the labor intensity of workers is reduced, and the seeding plant spacing can be adjusted.

The invention relates to a field corn row detection method, device and equipment based on line Anchor and a medium, and the method comprises the steps: carrying out the multi-head self-attention operation of a horizontal compression matrix and a vertical compression matrix, so as to generate a first feature matrix and a second feature matrix, performing broadcasting operation on the first feature matrix and the second feature matrix, and adding the first feature matrix and the second feature matrix to generate a third feature matrix; the query matrix, the key matrix and the value matrix are spliced in a context enhancement module and then subjected to convolution operation to generate a fourth feature matrix, and the third feature matrix is subjected to convolution and then multiplied by the fourth feature matrix to determine an attention matrix; and adopting a preset loss function to regress seedling strip lines in the to-be-detected corn field image as a whole according to the first line Anchor and the attention matrix so as to determine a corn row detection result. According to the invention, the method can adaptively focus on the key area of the corn row, thereby improving the precise recognition of the corn row.

The dropper fertilization device comprises a filtering assembly, the filtering assembly comprises a water storage tank, the top of the water storage tank is connected with a feeding port, a filtering cylinder is installed on the inner wall of the top of the water storage tank, a plurality of sets of filtering holes are formed in the filtering cylinder in sequence, and the feeding port is matched with the filtering cylinder in position. The top of the water storage tank is connected with a water adding opening which is matched with the filter cartridge in position, an adjustable-speed motor is installed on the top of the water storage tank, and the output end of the bottom of the adjustable-speed motor is connected with a transmission shaft. The filter cartridge arranged on the filter assembly can be used for filtering when a fertilizer mixed solution is mixed, impurities can be effectively filtered, the problem that a dripping hole is blocked when the fertilizer mixed solution is conveyed due to the fact that the impurities cannot be filtered out without a filter device in a traditional mode is solved, and normal fertilization is prevented from being influenced; the scraping plate is attached to the inner wall of the filter cartridge to rotate, so that the filter cartridge can be cleaned, impurities attached to the inner wall of the filter cartridge are scraped, and the condition that filter holes are blocked is avoided.

The invention relates to the technical field of water and fertilizer integration, in particular to a water and fertilizer utilization efficiency optimization method and system for water and fertilizer integration in a corn field, which comprises the following steps: judging whether a soil water content prediction curve has a soil lower limit water content, if so, determining an irrigation selection time period according to the soil lower limit water content, and determining simulated irrigation parameters according to the irrigation selection time period; performing soil irrigation simulation by using the soil water content prediction curve to obtain a soil water content simulation curve set, selecting a soil water content target curve in the soil water content simulation curve set, and identifying a target irrigation time point and a target irrigation water amount corresponding to the soil water content target curve; selecting target fertilization time and target fertilization amount from the soil water content target curve, and fertilizing the corn field according to the target irrigation time point, the target irrigation water amount, the target fertilization time and the target fertilization amount. The water and fertilizer efficiency and the regulation and control precision of current water and fertilizer integrated fertilization of the corn field can be improved.

The invention discloses a corn field nitrogen element visualization method and platform based on an unreal engine, and relates to the technical field of intelligent agriculture. The method comprises the following steps: firstly, obtaining and processing nitrogen element three-dimensional data of a target plot; establishing a three-dimensional space model of the target plot in the unreal engine; and importing the three-dimensional data of the nitrogen elements into the three-dimensional space model, and respectively driving particle systems which represent different colors of spatial distribution conditions of different types of nitrogen elements to realize visualization of the nitrogen elements in the three-dimensional space model. According to the method, the multi-category nitrogen element three-dimensional data is obtained through obtaining and processing, and visual and diversified interactive presentation is performed based on the unreal engine, so that comprehensive and efficient utilization of the collected nitrogen element data is realized, and beneficial effects of visualization in aspects of data analysis and management decision are exerted.

The invention discloses a compound herbicide and a preparation method thereof and relates to the technical field of pesticides. The compound herbicide is compounded by taking rimsulfuron, pyroxsulam and fluroxypyr-mepthyl as effective components and supplementing a safener, a surfactant, an emulsifier, a stabilizer and a solvent. The action mechanisms of the three active ingredients are complementary and synergistic, and annual gramineous weeds and broadleaf weeds in a corn field can be effectively prevented and removed. Through scientific compounding, the application dosage of a single component is remarkably reduced, pesticide residues in the environment and crops are reduced, meanwhile, potential phytotoxicity to the crops is effectively relieved by adding the safener, and the bactericidal composition has the advantages of being efficient, safe and environmentally friendly.

The application belongs to the technical field of pesticide weeding, and discloses a weeding composition containing icafolin and application thereof. The weeding composition contains active ingredient A and active ingredient B. The active ingredient A is icafolin, the active ingredient B is any one of benzenesulfonamides or thiophenesulfonamides, and the mass ratio of the active ingredient A to the active ingredient B is 1:2-200:4.5. The weeding composition provided by the application has high weeding activity, and the mixture of the two has superimposition effect, complementary mechanism, and an expanded weed spectrum. The weeding composition has good weed control effect in corn fields, wheat fields, peanut fields and soybean fields.

The present invention provides a method and device for intelligent regulation of greenhouse gases in a corn field, including the following steps: Step S1: Divide the corn field into micro-regions, deploy environmental sensors in the divided micro-regions, collect soil moisture content and greenhouse gas flux indicators through the environmental sensors, and preprocess the collected data; Step S2: Extract the micro-region environmental stability perception factor and the micro-region environmental evolution dynamic feature enhancement perception factor based on the data preprocessed in Step S1, and calculate the micro-region environmental regulation priority index according to the sum; Step S3: Perform hierarchical regulation response on the micro-regions based on the micro-region environmental regulation priority index in Step S2. The present invention relates to the field of intelligent control, realizes multi-dimensional joint perception of micro-region environmental abnormal accumulation and environmental dynamic evolution trend, and breaks through the technical bottleneck that the existing greenhouse gas regulation system depends on macroscopic average data and lacks dynamic micro-region perception ability.

The disclosed apparatus, systems and methods relate to a physical stalk sensing system comprising at least one resilient member. Sensors having the resilient member or members are able to estimate the size of the stalks of row crops as they pass through a field, such as a corn field. The sensors can be mounted on a corn head and the results can be analyzed and visualized. A system for predicting crop yields in real-time or near real-time. A system for adjusting a stripper plate gap.

The invention provides a method for improving field growth performance of corn and application. The application of the GLK1 gene or the G2 gene disclosed by the invention can be used for remarkably improving the characters of gramineous plants for the first time, including stalk greening and / or stalk thickening, plant height increasing, biomass increasing, starch content increasing, soluble sugar content and / or yield increasing, and / or photosynthetic ability improving. The invention provides a new way for improvement of gramineous plants.

The application discloses a corn straw efficient returning method, and belongs to the field of agricultural technology, which comprises the following steps: layering the soil of a large range of corn field along the vertical direction, and obtaining the organic matter concentration of each soil layer; obtaining the organic matter concentration value of the middle layer of the soil in the corn field, so as to obtain the corn field partition of the large range of corn field; obtaining the organic matter transfer rule between the soil layers based on the historical value of the organic matter concentration of each soil layer in the corn field partition; obtaining the returning straw amount of the corn field partition based on the organic matter transfer rule between the soil layers; obtaining the put-in amount of the rotting agent of the corn field partition based on the returning straw amount of the corn field partition; configuring the returning straw and the rotting agent based on the returning straw amount of the corn field partition and the put-in amount of the rotting agent of the corn field partition, and setting a new soil bottom layer in the autumn; and constructing a new soil middle layer and a new soil surface layer based on the new soil bottom layer. The problem of unreasonable returning straw amount setting in the prior art is solved, and the effect of the straw returning operation is fully improved.

The invention discloses an evaluation method for different protective cultivation modes of spring corn, belongs to the technical field of crop cultivation evaluation, and provides an evaluation method for different protective cultivation modes of spring corn, which comprises the following steps: evaluating a soil structure index of a spring corn field, and evaluating soil aggregate characteristics and a soil carbon sequestration effect of the spring corn field. Evaluating the yield and the ecological effect of the spring corn, comparing and evaluating different cultivation modes, and confirming an optimal protective cultivation mode; the tillage modes comprise shallow rotary tillage and protective tillage modes, and the protective tillage modes comprise strip tillage and no-tillage. From the perspective of cultivation mode optimization, synergistic realization of high yield of crops and efficient utilization of soil nutrients is taken as a core, and the influence of protective cultivation on the evolution and yield of a soil carbon reservoir is discussed through comparison of three cultivation modes of shallow rotation, strip cultivation and no-tillage of a farmer; the method is expected to provide a theoretical basis for an environment-friendly farming mode and green and efficient sustainable development of spring corn in a local area.

The present invention discloses a corn kernel development regulating gene ZmGWT1a , its encoded protein, SNP site, functional marker and its application. The present invention applies to utilize the natural mutant of corn kernels found in the process of corn field breeding and selection gwt1a Cloning of key genes affecting GPI synthesis ZmGWT1a , which encodes an acyltransferase in step 4 of the glycophosphatidylinositol (GPI) biosynthesis pathway; ZmGWT1a Genes regulate the development of corn embryo and endosperm, affecting the accumulation of grain storage substances, but not affecting the normal growth and development of the plant, which is of great value in increasing corn yield; ZmGWT1a The identification of excellent haplotypes and analysis of their utilization pathways provide technical support and excellent germplasm resources for the utilization of the gene. The use of the gene and functional markers disclosed in the present invention application can facilitate the creation of high-yield breeding materials for corn, shorten the breeding cycle of new crop varieties, reduce breeding costs, and improve breeding efficiency.

The invention discloses a crop growth detection system for agricultural cultivation, and relates to the technical field of growth detection, and the system comprises a triangular ridge line generation module which is used for generating a triangular ridge line based on a remote sensing image of a furrow-ridge film-covered corn field; the wet printing point extraction module is used for generating wet printing points based on the remote sensing image and defining a pseudo line center line based on the wet printing points and the triangular ridge line; the forbidden band construction module is used for constructing a forbidden band region based on the pseudo row center line; the seedling candidate detection module is used for determining candidate seedling points based on the prohibited zone area; and the target seeding line determination module is used for determining a target seeding line based on the triangular ridge line, the wet printing points and the candidate seedling points. According to the invention, the stability and spatial purity of crop seedling point detection are improved.

A method for selectively controlling weeds in corn, which comprises applying to the crop cultivation area an effective amount of a herbicidal mixture comprising as a component 1) a herbicide A of the formula (I) wherein R1 to R8 are as defined above and as component 2) at least one further compound selected from compounds B.

The utility model relates to the technical field of fertilization and irrigation, in particular to a double-channel fertilizer mixing drip irrigation corn field combined application device, which is characterized in that fertilizer conveying pipes are respectively and fixedly arranged at the bottoms of two fertilizer storage barrels, and flow control valves are arranged on the fertilizer conveying pipes and are in electric control connection with a controller; the mixing cylinder is fixedly arranged on the supporting frame and located in the middle position below the two fertilizer storage cylinders, one ends of the two fertilizer conveying pipes are connected with the mixing cylinder, the bottom of the mixing cylinder is connected with a drip irrigation pipeline through a conveying pipeline, the motor is fixedly arranged on the upper portion of the mixing cylinder, and a stirring shaft is rotatably inserted into the inner top wall of the mixing cylinder through a bearing. A first stirring paddle is fixedly arranged at the lower end of the stirring shaft, and an efficient mixing mechanism connected with the stirring shaft is arranged in the mixing cylinder, so that precise mixing and combined application of two fertilizers can be realized, the utilization rate of the fertilizers is increased, the growth requirements of corn are met, and the fertilizers can have better mixing effect and efficiency.