245 results about "Agricultural development" patented technology

The invention discloses a soil acidification improvement method, and relates to the technical field of soil improvement, according to the soil acidification improvement method, evaluation of soil attributes is completed through multi-level diagnosis and calculation of the acidification coefficient, the physical obstacle coefficient and the buffer capacity coefficient of soil, and comprehensiveness of soil acidification analysis is ensured. The problem of limitation existing in the current soil acidification analysis process is solved, meanwhile, a threshold value is used for driving decision control flow branches, an improvement scheme is flexibly upgraded based on real-time monitoring data, the soil improvement effect is improved, closed-loop learning double feedback and S6, data are fed back to S1, self-optimization of the system is achieved, the system adapts to soil changes, and the soil acidification analysis efficiency is improved. An abnormal state after improvement is warned in time, so that the soil safety is guaranteed; the method is suitable for the fields of land restoration and the like, the soil improvement efficiency is improved through data-driven intelligent decision, resource waste is reduced, soil acidification is improved and upgraded, and a technical engine is provided for agricultural sustainable development and cultivated land protection.

The invention discloses a compound microorganism and application thereof to improvement of saline-alkali soil, and relates to the technical field of agriculture, the compound microorganism is obtained by compounding halophilic bacillus, rhodotorula mucilaginosa, alkali-resistant rhizobium, desulfurization vibrio and siliconizing bacteria, and the excellent saline-alkali soil improvement effect can be achieved. The functional strains cooperate with one another, have complementary advantages, and play a role in multiple aspects such as soil structure improvement, nutrient supply and absorption, salt and alkali relief, microbial community optimization and the like. The compound microbial preparation has an efficient synergistic mechanism, provides an innovative solution for solving the problem of saline-alkali soil, and shows huge potential in the aspects of promoting agricultural green development and ecological protection.

The invention relates to the technical field of digital agriculture, in particular to a farmer portrait generation method and system based on GIS pattern spots. According to the farmer portrait generation method based on the GIS pattern spots, a farmland plot is locked in real time through a satellite map with the precision of 0.5 m, and farmer production behaviors are collected and analyzed in real time so as to generate a digital farmer portrait. According to the farmer portrait generation method and system based on the GIS pattern spots, decision-making precision can be accurate to a window period of 3 days, meanwhile, early warning of plant diseases and insect pests can be achieved 14 days in advance, the fuel cost of agricultural machinery is reduced, meanwhile, environmental pollution is reduced, supervision efficiency is improved, and great convenience is provided for modern agricultural development.

The invention discloses a SbWRKY51 gene, a promoter and application of the SbWRKY51 gene and the promoter in improvement of salt tolerance of sorghum, and belongs to the technical field of plant genetic engineering. The SbWRKY51 gene is screened from sorghum, and the expression level of the SbWRKY51 gene is up-regulated after salt stress treatment. The protein coded by the gene belongs to a WRKY transcription factor family, has transcriptional activation activity, and can start the expression of a reporter gene. Sorghum overexpression strains and complementary strains of the gene are obtained, salt tolerance related physiological indexes are measured, overexpression of the gene can improve the seed germination rate, increase the seed root length, regulate ion balance and enhance the free radical scavenging capacity of plants, and the effect of the gene in the aspect of improving the salt tolerance is embodied. A further research finds that the SbWRKY51 gene can enhance the plant salt tolerance by regulating a lignin synthesis pathway. The technical scheme provides a basis for cultivating resistant plants, and has important guiding significance for enhancing the production potential of sorghum under a high-salt condition and promoting agricultural development.

The invention discloses an agricultural small-watershed integrated water and soil loss prevention and control method, which comprises the following steps of: performing source reduction in a slope cropland area with the gradient of more than 6 degrees to control a slope cropland erosion source so as to treat surface erosion and runoff expansion; process blocking and control are conducted from the middle upstream area to the middle downstream area, and sediment migration is blocked and the confluence speed is adjusted through linkage of the grading ditch system and the sedimentation and storage facility; tail end purification is carried out in a drainage basin outlet area, water quality is purified through ecological engineering measures, and a drainage basin outlet is stabilized; the technical problems that in the prior art, comprehensive prevention and control means starting from the whole drainage basin are lacked, traditional measures have obvious defects in the aspects of function coupling, space coordination and ecological restoration capacity, and the dual requirements of current agricultural green development and ecological environment protection are difficult to meet are solved.

The invention provides a planting and breeding circulation system-oriented soil health assessment method, and relates to the technical field of soil health, and the method comprises the steps: collecting breeding data and planting data in a target planting and breeding circulation region, dividing a planting and breeding circulation mode, and analyzing the influence degree on soil to obtain circulation soil data. Waste supply energy is determined according to the breeding data, and the soil resource utilization efficiency is obtained by analyzing management measures of the planting data. The influence of waste supply energy on soil is analyzed to obtain waste influence data, and a soil health assessment system is constructed in combination with soil resource utilization efficiency, soil physical indexes and ecological function indexes. And calculating a soil health index based on the soil health assessment system and the circulating soil data, and classifying health grades of the soil. According to the method, the accuracy, scientificity and practicability of soil health assessment are improved, and powerful support is provided for optimal management of a planting and breeding circulation system, precise regulation and control of soil quality and agricultural sustainable development.

The invention provides a control method for apple alternaria leaf spot, and belongs to the technical field of crop disease control. The prevention and treatment method comprises the following steps: spraying a foliar biological pesticide fertilizer to apple trees; the foliar biological medical fertilizer comprises a bacillus fermentation product and a trichoderma fermentation product, the bacillus is at least one of bacillus amyloliquefaciens TS-1203, bacillus subtilis B1 and bacillus subtilis BS-1208, and the bacillus is at least one of bacillus amyloliquefaciens TS-1203, bacillus subtilis B1 and bacillus subtilis BS-1208; the trichoderma is at least one of T6 and Ym. The combined action of bacillus and trichoderma is utilized, the morbidity of apple alternaria leaf spot can be effectively reduced, the growth of apple trees can be promoted, the photosynthetic capacity is improved, the combination of disease prevention and yield increase is realized, and the method is environment-friendly and suitable for green agricultural development.

The invention discloses a plant cell activating factor as well as a preparation method and application thereof. The plant cell activating factor contains active ingredients such as resveratrol, quercetin, chlorogenic acid and the like. The active ingredients of the plant cell activating factor are obtained from natural plants, so that the plant cell activating factor has no pollution to the environment, is safe and harmless to human bodies and animals, and meets the requirements of green agricultural development. Experiments prove that the plant cell activating factor disclosed by the invention can effectively regulate the physiological activity of plant cells, activate the growth potential of plants, promote the development of plant root systems, thick and strong stalks and dark green leaves, and remarkably improve the growth speed and biomass accumulation of the plants, thereby increasing the yield of crops.

The invention provides a territorial space planning index dynamic evaluation system, which comprises the following steps of: determining index data for dynamic evaluation in territorial space planning, and acquiring and preprocessing the index data; analyzing and evaluating the change trend of the index data by using a time sequence analysis method; and setting a visual information display module, setting an early warning threshold value, synchronously completing real-time display of current situation information, analysis and evaluation information and early warning information of the index data, and completing dynamic evaluation operation. The method comprises the following steps: firstly, determining index data of dynamic evaluation in territorial space planning, the index data comprising an ecological protection direction, an agricultural development direction, an urban and rural development direction and an infrastructure direction; static-to-dynamic adjustment of evaluation of territorial space planning is realized, integration, analysis and evaluation of index data are facilitated, full-cycle dynamic monitoring of territorial space planning indexes can be completed, and territorial space planning operation can be completed efficiently.

The invention provides a method for measuring and calculating a collaborative safety index of a water-grain-ecological composite system in an arid region, and relates to the technical field of collaborative management of green agricultural resources in the arid region. The method aims at solving the technical problem that in the prior art, a system for evaluating the water-grain-ecology multi-element co-evolution relation with an arid region as a research object is lacked. The method comprises the following steps: constructing a state parameter index system of water resource, grain and ecological safety in the arid region, and measuring and calculating through an improved G1-CRITIC subjective and objective weighting method to obtain a subsystem safety index reflecting a state parameter of a composite system; and inputting the subsystem safety index into a pre-established Hakkine model, analyzing the co-evolution process of the water-grain-ecological composite system, and measuring and calculating to obtain a water-grain-ecological collaborative safety index reflecting the collaborative safety state of the water-grain-ecological composite system. According to the method, from the perspective of the compound system, the dynamic relationship among water-grain-ecology is revealed under the background of agricultural green development in the arid region, and the technical blank in the aspect of research on the evolution mechanism of the compound system in the arid region is effectively filled. According to the method, the water competition of the arid region can be relieved, the soil salinization and underground water mineralization process can be slowed down, a high-level cooperation mechanism of mutual promotion and dynamic adjustment among water, grain and ecology is formed, so that the green and sustainable development of agriculture in the arid region is promoted, and the method has important theoretical value and practical application prospects.

The invention relates to a zero-carbon intelligent agricultural development and utilization system and method based on gradient utilization of energy. The system comprises a geothermal well selection and arrangement module, a geothermal water collection and pretreatment module, a heat exchange module, a gradient utilization system construction module, a hot water circulation and reuse module, a working condition flexible adjustment module, an intelligent regulation and control module, a hot spring utilization and recharge system and a system energy storage module. The problems of energy waste, high carbon emission and insufficient agricultural suitability in the traditional technology are solved, and low carbonization and high efficiency of agricultural production are realized.

The invention discloses a temperature difference thermal driving superficial water circulation saline-alkali land salt reducing method, which comprises the following steps: firstly, preparing the land, turning over and leveling the target land, discarding non-agricultural soil substances in the soil, then ridging and furrowing until the ridge height is 10cm, adjusting the moisture content, and then covering the ridge surface with a transparent plastic film to form a coverage area of the ridge surface and exposed furrows to make A / Bgt; (E-D) / D, A is the width of the coverage area, B is the width of the furrows, D is the precipitation amount, and E is the evaporation amount. According to the technical scheme, discharged high-salinity water is not generated, and pollution to surrounding water and soil is avoided; no extra chemical substance is added, the soil ecological system is prevented from being polluted and damaged, the soil ecological environment is practically protected, and the sustainable agricultural development concept is met. And the implementation process is relatively simple, a large amount of capital investment is not needed, the cost is low, and good popularization and application prospects are achieved.

The invention relates to a large-scale high-yield and high-efficiency cultivation mode of pumpkins in saline-alkali soil, which adopts a composite modifier to improve the saline-alkali soil, and the composite modifier contains an organic fertilizer, a soil conditioner and a saline-alkali tolerant microbial strain in a specific proportion, so that the soil structure and fertility are effectively improved; a pumpkin variety with a salt-tolerant gene marker is selected, and the salt tolerance and the survival rate of seedlings are remarkably improved by combining a biochar seedling raising technology; through an intelligent drip irrigation system and a precise fertilization technology, the irrigation and fertilization amount is dynamically adjusted according to the growth stage of pumpkins and soil fertility, and the resource utilization efficiency is improved; a disease and pest control method combining physical and biological control is adopted, meanwhile, an S-shaped vine pressing method is combined to promote plant growth, and product quality tracing is achieved through a block chain technology. The problem of pumpkin planting in the saline-alkali soil is effectively solved, the yield and quality of pumpkins are remarkably improved, remarkable economic benefits and ecological benefits are achieved, and a new thought and method are provided for agricultural development of the saline-alkali soil.

The invention relates to a paddy field weed detection method and system, and relates to the technical field of agricultural intellectualization, and the method comprises the steps: obtaining image data of rice seedlings, weeds and paddy field backgrounds under different spectrums; annotating the image data, and preprocessing the annotated image to obtain preprocessed data; constructing a cascaded encoder-decoder network, and performing seedling detection on the preprocessed data image to obtain a detection result; according to a detection result, extracting a paddy field boundary to obtain a field ridge boundary line; performing semantic segmentation on the paddy field image according to the field ridge boundary line to obtain segmentation masks of seedlings and weeds; and identifying the distribution condition and the type of the weeds by analyzing the segmentation masks so as to obtain the initial distribution condition of the weeds. The intelligent level of paddy field weed management can be improved, the labor cost is reduced, the rice production efficiency is improved, meanwhile, environmental protection is facilitated, and agricultural sustainable development is promoted.

The invention discloses a straw leavening agent suitable for a microfiltration membrane fermentation system and application of the straw leavening agent, and relates to the technical field of biology. The straw leavening agent comprises a microorganism combination. The microbial composition is prepared from bacillus subtilis (Bacillus subtilis) 1JN2, streptomyces globisporus (Streptomyces globisporus) XS2301 and myroides odortorius (Myroides odortorius) YW-1, and the microbial composition is prepared from bacillus subtilis (Bacillus subtilis) 1JN2, streptomyces globisporus (Streptomyces globisporus) XS2301 and myroides odortorius (Myroides odortorius) YW-1. The straw fermenting agent can improve the humification index in the straw composting process, remarkably shorten the composting period of crop straw and effectively reduce volatilization of irritant gas such as ammonia gas and hydrogen sulfide in the straw composting process. The straw leavening agent provided by the invention not only can efficiently treat crop straws, but also has the dual advantages of environmental protection and agricultural yield increase, and provides important technical support for agricultural sustainable development.

The invention discloses application of leguminous green manure in preparation of a multifunctional soil conditioner for improving soil enzyme activity, relieving soil microbial metabolism limitation and / or enhancing a soil ecosystem. The leguminous green manure is small crown flowers. By means of the controllable decomposition characteristic and specific secretions, the activity of soil carbon (BG and CBH), nitrogen (NAG and LAP) and phosphorus (AKP) circulation key enzymes can be remarkably enhanced, the activity of the AKP is improved by 406%, the activity of the BG is improved by 158%, the microbial carbon limitation is effectively relieved by 12%, and the resource utilization strategy is optimized. The microcelosia cristata treatment can synchronously improve the soil ecological multi-functional index (EMF) and improve the nutrient circulation synergistic efficiency. Compared with the traditional leguminous green manure, the method has the advantages that the improvement effect of the microcelosia cristata in the degraded orchard is more continuous and ecologically adaptive, and an effective and feasible new soil remediation way is provided for agricultural sustainable development.

The invention discloses a soybean producing area soil combined pollution micro-ecological risk assessment method and system, and belongs to the technical field of agricultural environment monitoring. The method comprises the following steps: acquiring soil pollutant data and microbial community data, calculating a risk entropy, constructing a micro-ecological health index, and respectively obtaining a first result and a second result by utilizing a risk assessment neural network and a comprehensive model combined with principal component analysis, a clustering algorithm and a hunter optimization algorithm; and determining a final risk level and high-risk pollutants after key factor matching and weighted correction mechanism verification. According to the method, the problems of single evaluation dimension, insufficient dynamic adaptability and the like in the prior art are solved, accurate diagnosis and risk early warning of soil combined pollution are realized through multi-source data fusion and multi-method cooperation, the evaluation accuracy and decision-making efficiency are improved, and technical support is provided for soybean producing area soil micro-ecological risk management and control and agricultural sustainable development.

The invention discloses application of cordyceps javanica Bd01 and a dispersible oil suspending agent thereof to prevention and control of spodoptera frugiperda, and relates to the technical field of biology. The research finds that the cordyceps javanica Bd01 has a strong infection lethal effect on larvae of spodoptera frugiperda at all ages, the pupation rate and eclosion rate of the larvae can be remarkably reduced, and the breeding cycle of pests can be effectively blocked. The invention further develops a dispersible oil suspending agent, and the suspending rate is effectively improved through formula optimization. The dosage form takes soybean oil as a dispersion medium, does not contain harmful solvents such as methylbenzene, is free of dust pollution and is friendly to operators and the environment, and ascorbic acid is added to improve the ultraviolet resistance of spores and prolong the effective period of the pesticide effect. In addition, the preparation also has a certain control effect on caffeinidae, is wide in application scene, provides a new scheme for green control of spodoptera frugiperda, solves the problems of chemical pesticide resistance and residue, and accords with the development requirements of green agriculture.

The invention discloses a fertilizer containing herbaceous plant components and a preparation method thereof, and particularly relates to the technical field of agricultural waste, the formula is composed of a composite traditional Chinese medicine extract, a core-shell structure carrier, a functional probiotic agent and an auxiliary agent, and the preparation method comprises the steps of S1, graded extraction of traditional Chinese medicines, S2, carrier loading and microcapsule preparation, and S3, probiotic integration and granulation. Through scientific compatibility of the compound traditional Chinese medicine extracts, design of the core-shell structure carrier, directional addition of the functional probiotics and an optimized preparation process, the prepared fertilizer can synergistically improve the growth index and quality of crops, remarkably enhance the disease and pest resistance, effectively improve the physicochemical properties and micro-ecological environment of soil and improve the yield of the crops. The usage amount of chemical pesticides and fertilizers is reduced, integration of nutrition supply, disease prevention and control and soil improvement is achieved, and the requirements of green agriculture development are met.

The invention relates to the field of microorganism screening, in particular to a microorganism screening method capable of improving saline-alkali soil crop stress resistance and application thereof.The microorganism screening method comprises the following steps that S1, in saline-alkali soil with Na < + > larger than 0.6% and pH 8.5-10.0, suaeda glauca rhizosphere soil and root system tissue are collected and inoculated to 0.6 moL / L NaCl, and the saline-alkali soil is inoculated to a culture medium; in a liquid culture medium with the pH value of 8.0, through a gradient saline-alkaline stress enrichment-bifunctional bacterium collaborative screening technology and in combination with an embedding matrix and modified biochar compounded microbial screening agent, compared with the prior art, salt ion adsorption, flora survival rate improvement, root system nitrogen fixation and phosphate solubilizing bacterium standard-reaching rate improvement and crop biomass increase are synchronously realized, and the yield of the crops is increased. And moreover, the toxicity of salt ions is remarkably reduced, the soil micro-ecology is systematically optimized, and the method has a wide application prospect in marginal land agricultural development and saline-alkali soil ecological restoration.

The invention provides an ecological restoration method for backfilling dehydrated slime into a bauxite goaf, which comprises the following steps of: backfilling filtered and dehydrated slime into the goaf, and covering soil; and then land leveling, slope treatment, soil improvement, irrigation and drainage engineering, field road construction, farmland protection, ecological environment protection, science and technology supporting service and other processes are carried out. Organic fertilizers (such as pig manure and chicken manure) and a biological silicon fertilizer are added on the basis of an inorganic fertilizer, so that the physical and chemical properties of soil are more effectively improved, and meanwhile, the risk of heavy metals in the soil is reduced; by implementing a terraced field slope descending measure in the goaf, the land is smoother, water and soil loss is effectively prevented, the soil fertility is kept, the repaired land can be returned to farmers for planting common crops such as corn, peanuts and cassava, the income of the farmers can be increased, and local agricultural development can be promoted.

A soil drainage structure for saline-alkali land and desert soil and its construction method. This soil drainage structure introduces a water-retaining and breathable cloth as an isolation layer to block the penetration and migration of water and salts between the planting soil layer and the saline-alkali soil layer. It not only has excellent water-retaining performance but also good air permeability, which can provide sufficient oxygen supply for plant roots and avoid growth obstacles caused by lack of oxygen or salt accumulation. In addition, the construction process of this structure is simple and efficient. The surface soil is excavated according to the preset depth, and only the pre-cut water-retaining and breathable cloth needs to be laid in the dug pit and closely fitted with the pit wall, and finally the soil is backfilled to form a planting soil layer suitable for plant growth. After completing the above steps, irrigation and planting operations can be directly carried out, greatly reducing the construction difficulty and cost, and is especially suitable for ecological restoration and agricultural development in saline-alkali land or desert areas.

This invention relates to the fields of environmental protection, resource utilization, and agricultural biotechnology, specifically to a method for converting insoluble phosphorus using *Enterobacter horneri* microorganisms, as well as a highly efficient phosphorus-solubilizing agent and its applications. The highly efficient phosphorus-solubilizing agent comprises phosphorus-solubilizing bacteria, bone char, and a culture medium; the phosphorus-solubilizing bacteria is *Enterobacter horneri* HS-6. By combining *Enterobacter horneri* HS-6 with bone char, both the phosphorus-solubilizing ability of *Enterobacter horneri* HS-6 and the phosphorus resources of bone char can be fully utilized. The surface of bone char provides a carrier for the growth and reproduction of the microorganisms, and its insoluble phosphorus can be converted into soluble phosphorus. This phosphorus-solubilizing agent shows great promise in the preparation of bio-fertilizers, agricultural soil improvement, bone char phosphorus resource recovery, and the promotion of crop growth. This method for converting insoluble phosphorus using *Enterobacter horneri* microorganisms not only effectively improves the utilization efficiency of phosphorus resources and reduces dependence on limited phosphate rock resources, but also has significant implications for promoting sustainable agricultural development.

This application provides a land assessment method, system, electronic device, and computer-readable storage medium, relating to the field of land assessment technology. The land assessment method includes: acquiring multiple candidate evaluation indicators for a target area, and actual changes in saline-alkali land in the target area over historical periods; based on correlation analysis between the candidate evaluation indicators and the actual changes in saline-alkali land, selecting key evaluation indicators from the candidate indicators, determining the weights of the key evaluation indicators, and the membership functions of each key evaluation indicator; based on the weights and membership functions, calculating the suitability index of each assessment unit within the target area, and classifying suitability levels according to the suitability index to obtain the suitability assessment results. This results in a continuous index and level classification map that reflects the relative suitability of different geographic spatial units for agricultural development, providing an intuitive and comparable decision-making basis for the differentiated and refined development of land resources.

The application discloses an in-situ soil living small animal layered detection investigation method and device, adopts an in-situ soil living small animal layered instance segmentation device, automatically collects multi-modal hyperspectral imaging data of layered soil samples, and utilizes a soil animal 3D convolution instance segmentation deep network model to perform pixel instance segmentation on the multi-modal hyperspectral imaging data, independently identifies the types and instance individual numbers of small animals in each layer of soil, and further calculates the types, instance individual numbers, densities of small animals in the in-situ overall soil sample, and the longitudinal distribution of small animals in the soil. The application breaks through the limitations of traditional soil ecological research, avoids the low efficiency and large error of mechanical soil digging, manual selection and insect trapping and other methods, and provides a fast and accurate soil animal detection technology. The technology provides reliable data support for soil ecological research and agricultural management, and is an advanced tool for soil health management and sustainable agricultural development.

This invention relates to the fields of pesticide formulations and pesticide pest control, specifically to a composite nano-slow-release suspension of emamectin benzoate and chlorantraniliprole, its preparation, and application. The nano-slow-release suspension comprises emamectin benzoate, chlorantraniliprole, a nanocarrier, a wetting agent, a dispersant, a synergist, a thickener, an antifoaming agent, an antifreeze, a preservative, and water. The nanocarrier is an NX-CMCS & MOF composite nanocarrier. Spraying this composite nano-pesticide onto crops improves the adhesion and penetration of the pesticide on leaves, enhances its resistance to rain washout, and effectively kills major crop pests such as bollworms, diamondback moths, cowpea thrips, and rice planthoppers. Compared with traditional pesticide formulations, it has a significant effect of reducing dosage and increasing efficacy, and has broad application prospects in the field of agricultural pest control and promoting green agriculture.

The present invention discloses the use of betulinic acid in the preparation of an anti-Tubulic Mosaic Virus preparation, relating to the technical field of agricultural plant protection. The present invention used 10 mg / L of betulinic acid to continuously root-irrigate Nicotiana benthamiana plants for 5 days, and found that betulinic acid treatment significantly inhibited TuMV infection and reduced viral accumulation levels compared to the control group. Betulinic acid, as a plant-derived substance, has its own degradation pathway and has the advantages of being safe, economical, and pollution-free, meeting the requirements of sustainable agricultural development and green environmental protection. The present invention makes it possible to use betulinic acid for the prevention and treatment of plant viruses, providing a new approach for the prevention and treatment of plant viruses.

The invention provides a strain of underground neosphingobacterium AR5-1 and application thereof in growth promotion and drought resistance, and the strain is named as Novosphingobacterium subraneum in taxonomy, and the preservation number is CGMCC (China General Microbiological Culture Collection Center) NO.35273. The invention also provides a method for preparing the underground neosphingobacterium AR5-1. The invention further provides an application of the underground neosphingobacterium AR5-1 in growth promotion and drought resistance. The underground neosphingosine bacterium is separated from tobacco rhizosphere drought stress soil, and through molecular identification (the similarity of 16S rRNA is 100%) and functional verification, the underground neosphingosine bacterium has the capacity of producing indoleacetic acid (the concentration of IAA is 0.142 + / -0.005 mg / mL) and fixing nitrogen. A bacterial suspension (OD600 = 0.3) prepared from the bacillus subtilis is applied to plant rhizosphere, so that the growth of crops such as tobacco and the like can be remarkably promoted (the biomass is increased by more than or equal to 20%), the drought resistance is enhanced (the drought rehydration recovery rate is increased by 35%), and the bacillus subtilis has the advantages of environmental friendliness and reduction of chemical fertilizer dependence, and is suitable for sustainable agricultural development.

The invention discloses an agricultural greenhouse extraction method based on an improved U-Net model. Belongs to the technical field of greenhouse range remote sensing image extraction. A U-Net network is applied to ground feature extraction operation in a remote sensing image, but the U-Net network is simple in structure and cannot extract effective features in a high-resolution remote sensing image in an environment with complex and diverse surrounding environments, so that the extracted context information is insufficient, and the problems of extraction missing and extraction difficulty occur. A traditional ground feature extraction method mostly takes RGB images as a data source, and the spectral characteristics of ground features are neglected. The method is easy to cause the same-spectrum foreign matter phenomenon, and especially under the complex background condition, target ground objects are difficult to effectively distinguish and extract. According to the method, the aspects of data set construction, feature channel design and a standard U-Net network structure are improved, the technical bottleneck of an existing model in the aspects of feature representation capability and space detail maintenance is broken through, and the method has important research value for promoting precision agricultural development and intelligent agricultural management.

The application discloses a Vibrio parahaemolyticus quorum sensing inhibiting peptide and application thereof, and belongs to the field of bioactive peptides. The inhibiting peptide comprises the following amino acid sequence: Ser-Phe; the application further discloses application of the quorum sensing inhibiting peptide in inhibiting Vibrio parahaemolyticus or preparing antibacterial drugs for inhibiting Vibrio parahaemolyticus. The application adopts a molecular docking technology to screen an active peptide having an inhibiting effect on a Vibrio parahaemolyticus LuxS / AI-2 quorum sensing system, ADMET property prediction is carried out on a peptide segment with better binding force, and finally, a bioactive peptide SF stably combined with LuxP, LuxQ and LuxS is obtained; the dipeptide has good in-vitro inhibiting activity on the Vibrio parahaemolyticus LuxS / AI-2 quorum sensing, and has no cytotoxicity. The dipeptide obtained by the application can be used for guiding development of a new type of antibacterial preparation applied to food, medicine and agriculture and other fields, and has great significance for human health and agricultural development.