83 results about "Crop field" patented technology

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.

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.

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 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 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 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 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.

The utility model discloses spike shears suitable for spike shearing treatment of weeds in a crop field. The spike shears comprise a shear head, a shear shaft, a spring, shear handles, a hand protection sleeve and a lock catch. The cutting edge of the shear head adopts a sawtooth design to prevent the sliding of weed stalks, and the shear tip adopts a large-head baffle design to prevent the weed stalks from sliding out of the spike shear and prevent the shear tip from puncturing a human body or other objects; the scissors handle adopts a grab handle design, so that long-time continuous ear cutting operation is facilitated without hurting finger backs; after weeds in a crop field head, spike shears are adopted to directly cut off spica of the weeds, mature seeds are prevented from being generated, updating and accumulation of a weed seed bank in soil are further blocked, the cardinal number of weed seedling emergence in crop planting in the next season is greatly reduced, and then the dosage of herbicide is effectively reduced. The spike shears are low in cost, suitable for efficiently and continuously carrying out weed spike shearing prevention and control operation, suitable for an automatic weeding machine and wide in application prospect.

The utility model discloses an auxiliary device for crop field seeding. The auxiliary device comprises a marking rod, a node ring, an inserting rod and a telescopic rod, the marking rod is sleeved with a plurality of node rings; inserting rods are arranged at the lower ends of the node rings; the middle of the inserting rod is rotationally connected with a telescopic rod; a plurality of limiting holes are formed in the top of the marking rod in an array mode, limiting grooves are symmetrically formed in the two sides and slidably connected with node rings, and pipe clamps are symmetrically arranged at the two ends; the telescopic sleeve is arranged at the top of the joint ring; the pipe clamp is arranged on one side of the joint ring; the inserting rod is rotationally connected to the bottom of the joint ring; a hole is formed in the middle of the telescopic sleeve and movably connected with a limiting rod; the plant spacing can be accurately determined according to different crop types and planting densities; therefore, the seed sowing position is uniform, and the problem of non-uniform seed density in a traditional sowing mode is avoided.

The invention belongs to the technical field of agricultural pest control and provides a method for controlling facility crop pests by using functional plants. The method comprises the following steps: transplanting cnidium monnieri seedlings into a crop field before field planting or seedling emergence of crops; hanging the cnidium monnieri in the potted flowering period above crops planted on the ground, and replacing the cnidium monnieri with a new potted cnidium monnieri in the flowering period after the cnidium monnieri enters a green fruit period; releasing egg cards of natural enemies, orius sativus, encarsia formosa and harmonia axyridis 3 days after the potted snake bed is placed; when the cnidium monnieri on the ground enters the jointing stage, cnidium monnieri seeds are sown in the original position. According to the method, the crop yield is not reduced, meanwhile, damage caused by outbreak of pest populations is avoided, meanwhile, use of chemical insecticides is reduced, and green production of crops is promoted. The functional plant cnidium monnieri is planted in the greenhouse and used for conserving natural enemy insects released in the greenhouse, conserving of the natural enemy insects and prevention and control of pests can be considered at the same time, population growth of the natural enemy insects is promoted, and the cost of manually releasing natural enemies is reduced.

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.

Agricultural robot systems and methods are disclosed. Embodiments include a robot that maneuvers at the top of a crop field while minimizing disturbance and damage to the crops. Some embodiments include a housing coupled to a balloon that provides buoyancy to the robot system, which can reduce frictional contact with the crops and increase energy efficiency. The housing can include a processor, an energy source and / or a control unit. Embodiments include a repositioning system, and the repositioning system can include one or more arms that can contact a crop to alter the position and / or direction of the agricultural robot system while avoiding crop damage and / or crop disturbance.

The invention provides a method and a device for rapidly generating crop growth vigor information, which are used for monitoring the regular growth vigor condition of crops by utilizing satellite remote sensing inversion and supporting the continuous monitoring of the field growth vigor of crops such as rice, corn, rape, citrus and tea and the monitoring of the growth state of the growth stage. The method comprises the following steps: firstly, performing time sequence optical image reconstruction and data space-time fusion on an obtained multi-temporal optical image to generate high space-time remote sensing data; then, remote sensing parameters related to crop growth are extracted from the high space-time remote sensing image, a plurality of parameters such as a normalized vegetation index and a normalized yellow difference index are calculated, a high space-time crop growth grid result is obtained, and under the spatial constraint of a crop vector plot, elements are converted into grids to serve as mask data; and performing mask extraction on a resampled high-space-time crop growth grid result to obtain spectral characteristics of a corresponding unit of crops, performing wave band set statistical calculation to obtain a growth index mean value of a certain crop, and obtaining a comprehensive evaluation result of the plot-level crop growth.

A crop canopy height estimation method based on laser radar and multispectral fusion, through laser radar scanning of crop fields, point cloud data of the fields are obtained; through aerial photography of the crop fields by an airborne multispectral camera, multispectral image data of the fields are obtained, after data image splicing, crop area extraction and plot segmentation, two strongest point cloud feature parameters related to crop height are extracted from the point cloud data, one strongest vegetation index related to crop height is extracted from the multispectral image data, a height estimation model is established through multivariate linear regression solution. The present application combines multispectral vegetation index and laser radar data to improve the precision of crop canopy height monitoring, can improve the accuracy and reliability of crop growth monitoring, and can comprehensively understand the growth status of crops, so that agricultural decision makers can make more accurate, timely and effective farmland management decisions based on crop canopy structure data.

The invention discloses a method for detecting cucumber green mottle mosaic virus (CGMMV) in soil aiming at the detection technical requirements of important plant pathogens in the soil. The method comprises the following steps: sampling to-be-detected field soil, adding clear water with the same weight, stirring until soil particles are uniform, standing, filtering supernatant liquid, adding polyethylene glycol (the molecular weight is 6000-8000, and the final concentration is 6-10%) and sodium chloride (the final concentration is 1-2%), carrying out ice bath treatment for 2 hours to overnight, centrifuging 12000 g of the solution for 1 hour to settle virus particles, and dissolving and precipitating with distilled water to obtain virus-enriched liquid; the CGMMV can be directly detected by using various conventional detection methods, including an RT-PCR (Reverse Transcription-Polymerase Chain Reaction) method, a fluorescent quantitative PCR method, a colloidal gold immunochromatography method, enzyme-linked immunosorbent assay (ELISA) and the like. According to the method, on the premise of ensuring the reliability and the accuracy, the detection steps are simplified, and the cost and the time are saved. The method is applied to detection of the CGMMV in soil of a cucurbitaceae crop planting field, can effectively guide disease prevention and control in production, and prevents diffusion and harm of the CGMMV.

The invention belongs to the technical field of agricultural pest control, and provides an iron phosphate-containing composition for controlling mollusks, which comprises iron phosphate and ascorbic acid in a mass ratio of 5: 1-1: 20. The composition can be used for preventing and treating mollusks, and the mollusks are selected from snails and slugs. According to the composition provided by the invention, ascorbic acid is taken as a synergist, so that the pesticide effect and the safety to crops can be improved on the basis of reducing the dosage of a chelating agent. The composition has a good control effect on mollusks such as snails and slugs, the control cost can be reduced, the safety is improved, and the composition is suitable for controlling the mollusks in various crop fields.

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.

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.

A farming machine moves through a field and performs one or more farming actions (e.g., treating one or more plants) in the field. Portions of the field may include moisture, such as puddles or mud patches. A control system associated with the farming machine may include a traversability model and / or a moisture model to help the farming machine operate in the field with the moisture. In particular, the control system may employ the traversability model to reduce the likelihood of the farming machine attempting to traverse an untraversable portion of the field, and the control system may employ the moisture model to reduce the likelihood of the farming machine performing an action that will damage a portion of the field.