169 results about "Field soil" patented technology

The invention discloses a winter wheat field soil fertility evaluation data processing method based on comprehensive weight calculation, and relates to the technical field of data processing, and the method comprises the steps: S1, collecting nutrient content and moisture retention data from field soil through a sensor network, performing grouping processing on the acquired nutrient content and moisture retention data by adopting decision node splitting and entropy calculation to obtain a soil fertility layering result; s2, according to a soil fertility layering result, acquiring root depth and leaf moisture content indexes of the winter wheat in different layers of soil from crop monitoring equipment, analyzing association strength of the root depth and leaf moisture content indexes and fertility layering by adopting leaf node classification and feature selection standards, and determining a fertility contribution coefficient; according to the winter wheat field soil fertility evaluation data processing method based on comprehensive weight calculation, efficient resource allocation and stable yield are realized, and the drought resistance and resource utilization efficiency of winter wheat in a drought environment are remarkably improved.

The invention discloses a method and system for evaluating the influence of long-term fertilization on rice field soil heavy metals, and the method comprises the steps: obtaining rice field soil data through a sensor, and obtaining a standardized soil physicochemical property data set and a heavy metal content data set; according to the standardized soil physicochemical property data set and the heavy metal content data set, obtaining a feature vector set reflecting correlation between soil physicochemical properties and heavy metal behaviors; aiming at the feature vector set, obtaining a prediction model for representing the influence of the fertilization mode on the heavy metal mobility; if the heavy metal effective state content output by the prediction model exceeds a preset bioavailability threshold value, classifying the soil physicochemical property data set, judging the influence weight of the soil pH value and the organic matter content on the cadmium mobility, and obtaining the classified soil environment risk grade; and according to the classified soil environment risk levels, obtaining comprehensive rice field soil heavy metal pollution evaluation indexes. The pertinence and effectiveness of pollution control are remarkably improved.

The embodiment of the invention discloses an unmanned aerial vehicle image-based hexagonal grid unit soil salinity assessment method, which comprises the following steps: acquiring multispectral images of a cotton field to be assessed through an unmanned aerial vehicle, including a red light image, a green light image, a blue light image and a near-infrared image; dividing a plurality of to-be-evaluated regular hexagon evaluation units according to the to-be-evaluated cotton field multispectral image; training a cotton field soil salinity evaluation model; and performing soil salinity evaluation on each to-be-evaluated regular hexagonal evaluation unit by adopting the trained cotton field soil salinity evaluation model. Compared with the prior art, the invention provides a method for calculating and evaluating the soil salinity by using an unmanned aerial vehicle image and a regular hexagon evaluation unit, and more image features related to the soil salinity strength can be captured, such as the area ratio of crops in the unit, the physiological and ecological indexes of the crops in the unit and the salt spot condition around the unit. More features are more beneficial to accurate evaluation of soil salinity, irrigation can be optimized, and the cotton yield can be increased.

The application provides a kind of intelligent temperature-regulated planting field soil temperature control system and method, related to soil temperature control technical field, obtains seedling planting field regional information, extracts all soil temperature monitoring sub-block according to seedling planting field regional information;Obtain the block environment data of soil temperature monitoring sub-block, determine soil temperature stress factor according to block environment data, obtain all soil temperature stress risk areas in seedling planting field based on soil temperature stress factor;Obtain the temperature control resource information in seedling planting field, determine resource area mapping matrix through temperature control resource information, determine temperature control response strategy through resource area mapping matrix and soil temperature stress factor;According to the soil temperature regulation of each soil temperature stress risk area according to temperature control response strategy.This application can realize the risk analysis and resource optimization control of soil temperature, to improve the temperature regulation precision and regulation efficiency of nursery stock cultivation environment.

The invention discloses an intelligent irrigation system and method for improving the utilization rate of cotton planting water resources, and the system comprises a data collection module which is used for obtaining the multi-source data of a cotton planting region in a preset time period, and carrying out the preprocessing of the multi-source data, so as to obtain a data set containing the three dimensions of soil, crops, and meteorology; the water demand prediction module is used for predicting the data set obtained by the data acquisition module by using a trained CNN-TCN-Attention model and generating a cotton field soil water demand; the irrigation module is used for formulating an intelligent irrigation strategy in combination with a cotton growth stage based on the data set obtained by the data acquisition module and the cotton field soil water demand predicted by the water demand prediction module, and irrigating a cotton planting area according to the intelligent irrigation strategy; the visual platform is used for monitoring the irrigation process in real time; efficient water saving and precise irrigation are achieved, and the utilization rate of cotton planting water resources is increased.

The invention relates to the technical field of soil profile recognition, in particular to a soil profile recognition method and system based on multi-source information fusion and artificial intelligence. Synchronously acquiring image data, physicochemical property sequence data and mechanical resistance sequence data of a field soil profile through a data acquisition assembly; performing data preprocessing and spatial registration on the data; extracting visual features of the image and sequence features of the sensor data, and then performing feature level fusion to form a multi-source fusion feature vector; inputting into a pre-trained soil layer identification model to obtain soil profile layering result information; according to the scheme, the reference image data, the physicochemical property sequence data and the mechanical resistance sequence data are fused, unified decision making is carried out through the soil layer recognition model, the problems that a traditional method is high in subjectivity and low in efficiency are solved, objective, efficient and accurate layered recognition of the soil profile is achieved, and the accuracy of layered recognition of the soil profile is improved. And the digitization and standardization process of soil investigation is powerfully promoted.

The invention discloses a rice transplanter with a seedling depth self-adaptive adjusting function, belongs to the technical field of rice transplanters, and aims to solve the problems that the seedling insertion depths are different due to non-uniform hardness distribution of field soil and fluctuation of terrains, and the seedlings are inclined after being inserted due to unevenness of the field terrains. A push-pull rod is arranged in the supporting frame, two seedling boxes are oppositely arranged in the supporting frame, seedling outlets are formed in the seedling boxes in a penetrating mode, a first driving assembly is arranged in the supporting frame, a linkage assembly is arranged in the supporting frame and connected with the first driving assembly, and two dynamic adjusting assemblies are oppositely arranged in the linkage assembly. The seedling inserting depth can be conveniently and dynamically adjusted, it is guaranteed that each seedling inserting depth meets the transplanting requirement, the depth consistency is guaranteed, the transplanting quality is improved, and meanwhile it is conveniently avoided that due to inclination of the supporting frame, seedling inserting inclination is caused, and the transplanting quality is affected.

The invention discloses a solid waste landfill crack combination self-repairing material based on microbial mineralization and application, and belongs to the field of environmental geotechnical engineering. The method comprises the steps that firstly, a klebsiella liquid and a calcium source cementing liquid are prepared, grouting holes are formed in the side slope, the bacterial liquid and the cementing liquid are injected in batches, and internal cracks are filled with a microorganism induced calcium carbonate precipitation (MICP) technology; and then, a fiber reinforced guniting material formed by compounding field soil, active magnesium oxide and chopped fibers is adopted to spray and cover the surface layer of the slope, and a compact sealing layer is formed through carbon dioxide carbonization. By combining internal MICP curing and surface layer fiber reinforced magnesium oxide carbonization sealing, a synergistic protection system with strong inside and tough outside is constructed, the anti-permeability and stability of the slope are improved, meanwhile, the toughness, crack resistance and long-term durability of a surface layer sealing layer are remarkably enhanced, and the service life of the slope is prolonged. And the method is particularly suitable for slope treatment of projects with high anti-seepage requirements such as solid waste landfills and the like.

The application discloses a kind of rice field soil lead pollution analysis method and system, method includes: obtaining the current soil attribute data set of target rice field and soil moisture content distribution data, combine future expected water management parameters, simulate moisture content space-time variation sequence by soil water migration model;Dissolution-precipitation equilibrium tendency state index of each time step Pb is calculated based on moisture content change and soil attribute, the advancing track of Pb active front is identified;The front track is overlaid with the current rice Pb overproof risk spatial distribution, and the potential Pb activation amplification area is determined;Along the front advancing direction, strip-shaped analysis unit is divided, and Pb pollution risk evolution index is calculated by combining front arrival time and current risk value;Finally, the analysis report containing amplification area position, risk evolution order and leading factor diagnosis result is output.The technical leap of rice field Pb pollution risk from "static status evaluation" to "dynamic evolution prediction" is realized.

The present application relates to the field of agricultural environmental protection method, particularly to a method for reducing the pollution of vegetable field soil non-point source and N2O.The method provided by the present application fully considers the carbon and nitrogen content, C / N and cellulose content of different exogenous carbon materials, reduces the application of chemical fertilizer nitrogen under the premise of ensuring the nitrogen supply of vegetables according to the nitrate nitrogen content of vegetable field soil, increases the amount of effective state carbon and the content of holocellulose by optimizing the combination and proportion of different exogenous carbon materials, improves the nitrate nitrogen assimilation of vegetable field soil, reduces the nitrogen leaching and soil N2O emission, and realizes the coordinated reduction and regulation of the pollution of vegetable field soil non-point source and N2O.The method is clear, simple, convenient, easy to implement.

The application discloses a kind of rice field soil arsenic pollution reduction repair method, comprising the following steps: S1, rice seedling raising;S2, in 1-2 weeks before transplanting, to the arsenic pollution rice field soil to be repaired modified biochar is added, then waterlogging treatment is carried out;S3, 1-2 weeks later, shallow water rice transplanting is carried out, and 3-5 days are waited for rice seedling to return green, and water is intensified management;S4, in early heading stage of rice, aboveground rice straw is harvested from field, then soil ploughing is deep ploughing and broken, irrigation is carried out, so that root system floats to water surface, and is all collected from field;S5, level field and drain to surface layer contains shallow water, repeat steps S2-S4.The application is loaded on biochar by microorganism and combined with the method of water intensification management plant absorption, in heading stage of rice, aboveground straw enriched with arsenic is removed from field with underground root system as a whole, and combined with periodic repetition operation, the total amount of arsenic in soil is substantially reduced.

The application discloses a non-metallic mineral powder ball preparation method for loading plant nutrient factors, and comprises the following steps: kaolin is added into hydrochloric acid and stirred, washed with water, calcined at 400-460 DEG C for 1-2h, then added into water with gelatinized starch and stirred, added with silane coupling agent KH560 and continuously stirred, filtered, washed, dried, added with polyvinyl alcohol and pH regulator and stirred to obtain premix; fly ash and refined sugar are uniformly mixed and formed to obtain pretreated fly ash; potassium hydroxide is added into sodium silicate solution and stirred uniformly, then hydroxypropyl chitosan is added and stirred to obtain a precursor solution; the precursor solution is uniformly poured on the surface of the pretreated fly ash, and then placed, solidified, ultrasonic washed and dried to obtain a sponge-like carrier; field soil, organic fertilizer and plant fermented straw are added into a high-speed pulverizer and pulverized, and sieved to obtain granules; the premix and the sponge-like carrier are added and uniformly mixed, and then formed to obtain a seedling raising substrate.

The invention discloses a method for strengthening three-effect synergy of chloramphenicol degradation, rice yield increase and greenhouse gas emission reduction in rice field soil through sulfurized zero-valent iron, and belongs to the technical field of rice field soil pollution remediation. The sulfurized zero-valent iron (S-ZVI) is prepared according to the sulfur-iron ratio of 0.1-0.2; the S-ZVI is mixed with the contaminated soil, and rice is cultivated in cooperation with a specific fertilization and irrigation scheme. According to the method for strengthening the triple-effect synergy of chloramphenicol degradation, rice yield increase and greenhouse gas emission reduction in the rice field soil through the sulfurized zero-valent iron, by optimizing preparation and application of the sulfurized zero-valent iron, under the synergistic effect of chemical reduction and microbial degradation, the triple-effect synergy of chloramphenicol degradation, rice yield increase and greenhouse gas emission reduction is expected to be achieved, and the effect of strengthening the rice field soil chloramphenicol degradation, rice yield increase and greenhouse gas emission reduction is achieved. And an important means is provided for degradation of antibiotics in rice field soil.

The application provides a kind of bio-based degradable material to arid region field soil environment influence evaluation analysis method.The bio-based degradable material to arid region field soil environment influence evaluation analysis method includes a. Provide a multi-factor environment simulation model, the model combines different aridity, seasonal variation, long-term climate fluctuation factor, describes the dynamic process of soil change.The bio-based degradable material to arid region field soil environment influence evaluation analysis method, by introducing multi-factor environment simulation model, it is avoided that the problem that only single environmental condition is based on in the previous experiment by integrating a variety of variables such as aridity, seasonal variation, climate fluctuation into experimental design.This innovative design enables the method to verify the influence of bio-based degradable material on soil environment under a wider range of conditions, significantly improving the extrapolation and accuracy of experimental results.

The invention relates to the technical field of field character detection, in particular to a crop breeding-based field character detection method, which comprises the following steps of: determining an environment penalty value according to detected color data and soil data of field crops, determining a yield reward value according to the detected field crop growth data and the nutrition data stored in the crop management platform, and determining a fertilizer utilization value according to the detected field soil element data; performing weighted summation to generate a fertilization adjustment reward function, wherein a dynamic coefficient is determined according to crop breeding stage big data fitting of a crop management platform; the fertilization amount reinforcement learning model is updated regularly based on the fertilization adjustment reward function, and the fertilization amount reinforcement learning model determines the breeding multi-element recommended fertilization amount based on the Critic network and the Actor network. According to the method, collaborative closed-loop detection and field detection data mining of stress resistance, yield increase and fertilizer saving of the reinforcement learning model in combination with breeding are realized.

The invention relates to the technical field of soil pollution remediation, and particularly discloses a mineralization stable remediation method for soil heavy metal pollution. The remediation method strictly follows the principle of ecological compatibility of soil, in-situ remediation of farmland soil heavy metal pollution is achieved, and meanwhile the soil fertility can be effectively improved; the construction of a remediation system can be completed by virtue of soil-flora optimization proportion and formation of carbon-based compound bacteria with biochar, and by virtue of the carbon-based compound bacteria, pollution of heavy metals such as arsenic and cadmium in contaminated soil can be well remedied, and the content of organic matters in the soil can be remarkably increased, so that the soil fertility of the soil is improved; the remediation method provided by the invention has both ecological safety and wide applicability, provides a feasible solution for green and sustainable treatment of large-area moderate-light heavy metal polluted farmland, and can be popularized to field soil for application.

The application discloses a soil microwave uniform disinfection operation system and an operation method thereof, and belongs to the technical field of soil disinfection. The soil microwave uniform disinfection operation system comprises a power chassis, an on-board control box, a rolling microwave irradiation system, a conveying mechanism and a shovel mechanism. The shovel mechanism and the conveying mechanism are sequentially arranged at the front end of the power chassis, and the on-board control box and the rolling microwave irradiation system are arranged on the upper end of the power chassis. The rolling microwave irradiation system comprises a microwave resonance cavity arranged on the upper end of the power chassis, microwave generating units arranged on the two sides of the microwave resonance cavity and a roller mechanism arranged in the microwave resonance cavity. The rolling microwave irradiation system is adopted to perform efficient disinfection on field soil, effectively reduces the risk of local overheating caused by microwave irradiation, effectively improves the microwave irradiation efficiency and uniformity of soil, and realizes the microwave irradiation disinfection treatment operation on the field soil piece by piece.

The invention relates to a method for increasing the quantity and / or density of crops through optimized field soil treatment.

The application relates to the technical field of paddy field soil improvement, and discloses a paddy field soil detection and adjustment system and method based on multi-source sensing data analysis, which comprises a region division module, a data acquisition module, a soil health assessment module, a rice health assessment module, a comprehensive health index calculation module, a soil quality grade division module and an implementation and simulation prediction module. The application comprehensively evaluates the soil and crop health states of different regions of a paddy field, formulates corresponding soil adjustment strategies, effectively predicts the evolution trend of soil health under different climate scenarios in the future by combining a fuzzy logic relationship group and an artificial wolf swarm optimization algorithm, and outputs a clear soil health change curve, thereby providing technical support for agricultural managers.

The invention relates to the technical field of mulching films, in particular to a mulching film raw material selection method suitable for different crops, which comprises the following steps: selecting and preparing biodegradable mulching film raw material particles; soil selection: field soil is taken and screened by an integrated vibrating screen; putting the raw materials and the soil which are subjected to high-uniformity mixing into an independent chamber of a high-flux intelligent degradation cabin, and simulating a real environment; a real environment experiment is carried out in an open farmland, and the biodegradable material with the potential of improving the target soil index is prepared into the mulching film. According to the scheme, aggregates are broken through mechanical shearing and airflow disturbance, particles and soil are ensured to be uniformly mixed, the coefficient of variation is smaller than 5%, manual soil screening and mixing are replaced, the efficiency is improved by 5 times, the precision is improved by 90%, meanwhile, the evaluation period of the influence of the biodegradable mulching film on the soil can be shortened, and the application prospect is wide. And a collaborative design scheme of ecological feedback-structural evolution-scene adaptability is constructed.

The application provides a heavy metal contaminated paddy field agricultural product quality safety evaluation method and application, and belongs to the field of agricultural product quality safety evaluation. The evaluation method comprises the following steps: (1) taking field soil physical and chemical indexes and heavy metal data as a bottom base for model training and verification, screening factors for evaluating agricultural product quality safety, and clarifying the causal relationship between each factor and agricultural product quality safety; (2) constructing an agricultural product quality safety evaluation model for evaluating agricultural product quality safety. The two-stage cascade model combining nonlinearity and linearity and the multi-dimensional driving mechanism analysis based on SHAP provide a reliable bottom algorithm support and theoretical research basis for quantitatively evaluating the occurrence state and transformation and cross-medium transfer rule of Cd / As composite pollution in the Xiangjiang River Basin.

The invention relates to the technical field of agricultural machinery, in particular to crushing equipment with a blade supporting structure, which comprises a cutter cylinder and a mounting structure, the installation structure comprises an installation base, soil loosening pieces, a grass chopping base and a locking component, during use, the soil loosening pieces and the grass chopping base are fixedly installed on the installation base through the locking component, the installation base is driven to rotate through the cutter cylinder, and the installation base drives the soil loosening pieces and the grass chopping base on the installation base to rotate; therefore, the integrated soil loosening and crushing operation on field soil, earth surface weeds and crop straws is realized; and when the soil loosening sheet or the grass chopping seat needs to be detached and replaced, the locking of the locking component on the soil loosening sheet and the grass chopping seat is released, and at the moment, the soil loosening sheet and the grass chopping seat can be detached from the mounting seat, so that the purpose of conveniently replacing the soil loosening sheet and the grass chopping seat is achieved.

The invention discloses a soil microwave uniform disinfection operation system and an operation method thereof, and belongs to the technical field of soil disinfection, the soil microwave uniform disinfection operation system comprises a power chassis, a machine-mounted control box, a rolling type microwave irradiation system, a conveying mechanism and a soil shoveling mechanism, the soil shoveling mechanism and the conveying mechanism are sequentially installed at the front end of the power chassis, the airborne control box and the rolling type microwave irradiation system are mounted at the upper end of the power chassis; the rolling type microwave irradiation system comprises a microwave resonant cavity arranged at the upper end of the power chassis, microwave generating units arranged on the two sides of the microwave resonant cavity and a roller mechanism arranged in the microwave resonant cavity. The rolling type microwave irradiation system is adopted to efficiently disinfect field soil, the local overheating risk of microwave irradiation is effectively reduced, the microwave irradiation efficiency and uniformity of the soil are effectively improved, and microwave irradiation disinfection operation is carried out on the field soil block by block.

This invention discloses an integrated soil turning and leveling machine for paddy fields, relating to the field of agricultural machinery technology. It includes a frame, and further includes: a walking component mounted on the frame, capable of intermittent movement and stopping; a soil turning component located inside the frame, connected to the walking component, which drives the turning component to turn the soil in the paddy field when the walking component moves; a leveling frame located at the rear of the frame, fixedly connected to the frame by two mounting brackets, with a mounting bracket fixed to the top of the leveling frame, and channels provided on both the front and rear walls of the leveling frame; and a leveling component located inside the mounting bracket. This invention enables continuous automated operation of soil turning and leveling in paddy fields. Utilizing the positive pressure formed inside the leveling frame, it forces water to penetrate more fully into the lower soil layers, increasing soil moisture content and achieving a well-drained soil condition.

The invention discloses an unmanned soil treatment robot, which belongs to the technical field of field soil disease and insect pest killing treatment, and comprises a power chassis, a control box, a coaxial double-helix soil treatment system, a soil sampling device, a belt type conveying device and a bidirectional conveying device, the coaxial double-helix soil treatment system is arranged at the top of the power chassis, the soil taking device, the belt type conveying device and the two-way conveying device are sequentially arranged at the front end of the power chassis, and the belt type conveying device is used for receiving to-be-treated soil shoveled by the soil taking device and conveying the soil to the two-way conveying device; the two coaxial double-helix soil treatment systems are used for alternately treating field soil, so that the microwave disinfection treatment uniformity of the field soil can be guaranteed, and a continuous alternate operation mode of the machine tool is realized; load change and energy loss caused by pause of the machine are avoided, and operation smoothness and efficiency are improved.

The invention discloses a Chinese angelica out-of-season single seedling raising method suitable for mechanical transplanting and application thereof, and belongs to the field of Chinese herbal medicine seedling raising and cultivation. According to the method, a sunlight greenhouse or a gutter-connected greenhouse with the altitude being 2300 m or above and the lowest temperature being larger than or equal to 8 DEG C in winter is selected, field soil without continuous cropping obstacles is matched with fried rapeseeds, trichoderma harzianum and bacillus subtilis to prepare a special matrix, a seedling raising paper book with the single-hole diameter being 19-25 mm and the height being 12 cm is adopted, pelletized seeds are dibbled in a double-grain mode from late November to early December, and the seeds are sown in the seedling raising paper book with the single-hole diameter being 19-25 mm and the height being 12 cm. Through management of precise temperature and humidity regulation and control, foliage dressing, seedling hardening and leaf cutting and the like, standardized single seedlings are cultivated and transplanted through a transplanter. According to the method, the early bolting rate of the angelica sinensis is reduced, the seedling uniformity and the transplanting survival rate are improved, the transplanting efficiency is improved, the labor cost is reduced, the yield of the angelica sinensis can be increased, efficient utilization of out-of-season resources is achieved, and support is provided for industrial large-scale standardized development.

The invention discloses application of a TaSnRK2.1 gene to improvement of drought resistance of wheat, and belongs to the field of gene engineering, and the TaSnRK2.1 gene is a nucleotide fragment of a protein of an amino acid sequence shown as SEQ ID No.2. According to the invention, a gene member TaSnRK2.1, which belongs to a sucrose non-glycolytic protein kinase family and has the capability of remarkably improving the drought resistance and water conservation of wheat, is identified. The gene member TaSnRK2.1 disclosed by the invention is a gene member TaSnRK2.1, which belongs to the sucrose non-glycolytic protein kinase family and has the capability of remarkably improving the drought resistance and water conservation of wheat. Compared with a non-genetic transformation control, the wheat line genetically transformed by overexpressing the gene has the advantages that the wheat yield is increased by 15-20% under drought treatment (50-55% of field soil moisture capacity) and field water-saving cultivation (irrigating soil moisture water and pulling water in the whole growth period, reducing flowering grouting water compared with control water supply, and saving water by 1 / 3). Therefore, the gene, as an important water-saving and drought-resistant gene resource of wheat, has important application value in creation and cultivation of excellent drought-resistant wheat varieties.

A system for controlling the operation of ground-engaging tools of an agricultural implement includes a ground-engaging tool configured to be moved through the soil of a field. Furthermore, the system includes an actuator configured to apply a force on the ground-engaging tool. Additionally, the system includes a vision-based sensor configured to generate data indicative of a cellulose content of crop residue present within a field of view of the vision-based sensor. Moreover, the system includes a computing system communicatively coupled to the vision-based sensor and configured to determine the cellulose content of the crop residue based on the vision-based sensor data. Additionally, the computing system is configured to control the operation of the actuator based on the determined cellulose content.

The invention discloses a furrowing and seed sowing method of a seeder, which comprises the following steps: furrowing field soil to form a groove, and then sowing seeds into the groove, and is characterized in that after the seeds are sowed, part of soil is scraped off from the inner wall of the groove to complete the covering of the seeds. According to the invention, seed protection can be better realized, the phenomenon of seedling burning caused by fertilizer damage during sowing is effectively reduced, and the sowing germination rate and survival rate of seeds are improved.

The invention discloses a wheat closed weeding composition and application thereof. The wheat closed weeding composition is prepared from the following raw materials in percentage by mass: 3-30% of diflufenican, 5-45% of flufenacet, 2-50% of pyroxasulfone and the balance of auxiliaries and basic agents, the weeding agent is used for wheat field soil closed weeding. The closed weeding composition for wheat disclosed by the invention has a remarkable synergistic effect and a long lasting period; the use dosage of pesticide can be effectively reduced, and the pesticide use frequency and later-stage pesticide use are reduced; the composition is safe to crop wheat and is ecological and environment-friendly.