29 results about "Agricultural ecosystems" patented technology

The invention relates to the field of organic fertilizer manufacturing, in particular to a preparation method of a humic acid-containing water-soluble organic fertilizer with chelated medium trace elements for synergism, and the preparation method comprises the following steps: S1, adding modified humic acid into deionized water, heating to 40-50 DEG C, stirring for 25-35 minutes, adding hydrated ferrous sulfate, introducing compressed air, and stirring for reaction for 30-50 minutes to obtain a chelating solution and the like; according to the invention, the environmental adaptability of humic acid is improved through molecular structure modification, a composite chelation system is constructed to enhance element stability, a multistage chelation sequence is optimized to prevent ion antagonism, and a physical barrier is innovated to realize a core process path of intelligent controlled release. The functional limitation of a traditional fertilizer in a complex agricultural ecological system is effectively broken through, the nutrient utilization efficiency and agricultural sustainability are remarkably improved, and the fertilizer has wide application prospects in soil remediation, precision agriculture and resource-saving planting systems.

The invention discloses a corn planting suitability comprehensive evaluation method which comprises the following steps: step 1, data collection and index system construction: a system collects multi-source information of meteorological data, crop growth data and historical disaster data, and a comprehensive corn planting suitability evaluation index system is constructed, the method comprises the following steps of 1, selecting a corn growth period, 2, dividing the growth period: determining four key stages of the corn growth period in combination with related data and local production practice experience, 3, constructing a comprehensive evaluation model, 4, evaluating the planting potential and carrying out weighting processing, 5, carrying out comprehensive evaluation and zoning, and 6, carrying out comprehensive evaluation and zoning. According to the method, the blank of the existing research in comprehensive evaluation of the corn planting suitability is filled, a new thought and method are provided for coping with agricultural risks caused by climate changes, a scientific regionalization reference is provided for agricultural decision makers by constructing a perfect corn planting suitability evaluation system, and the corn planting suitability evaluation method has a wide application prospect. The guarantee of global grain safety and the sustainable development of an agricultural ecosystem are facilitated.

In an approach for improving operational efficiencies in IoT agricultural ecosystems, a processor receives a request from a user for a production plan to modify one or more values of a set of values of an area of interest. A processor maps the area of interest using a set of data originating from a LIDAR instrument to create a digital elevation model of the area of interest. A processor creates a knowledge set to train a decision engine. A processor calculates one or more modifications to be made to the one or more values of the set of values of the area of interest. A processor generates a map of applicable land options that the user may interact with to select the one or more modifications to be made to the one or more values of the set of values. A processor plots a finalized rendering of the production plan.

The present application relates to the field of farmland nutrient analysis, and particularly relates to a carbon-nitrogen labeled coupled analysis farmland ecosystem nutrient migration quantification method, which comprises the following steps: obtaining carbon-nitrogen concentration time series by collecting and preprocessing carbon-nitrogen isotope monitoring data; obtaining trajectory evolution optimization factors by performing two-dimensional collaborative trajectory evolution analysis on the carbon-nitrogen concentration time series; obtaining jump distortion optimization factors by performing real migration flux jump distortion feature analysis on the carbon-nitrogen concentration time series; obtaining nutrient migration mode division results by jointly modifying the trajectory evolution optimization factors and the jump distortion optimization factors on the basis of time series distance; and obtaining carbon-nitrogen nutrient migration evaluation results by performing quantification analysis on the nutrient migration mode division results, so as to solve the problem of migration mode division distortion caused by the forced alignment of secondary fluctuation misalignment and the confusion of deep background noise artifacts in the carbon-nitrogen isotope time series clustering of the farmland ecosystem by the existing multi-dimensional dynamic time warping algorithm.

The invention provides a crop functional chlorophyll fluorescence inversion method, system and device and a readable medium, and relates to the technical field of ecological environment monitoring, and the method comprises the steps: obtaining a multi-source data cube; acquiring a crop type distribution diagram based on the multi-source data cube; constructing a sun-induced chlorophyll fluorescence SIF inversion basic model according to the crop type distribution diagram; and outputting a crop solar-induced chlorophyll fluorescence time sequence product according to the solar-induced chlorophyll fluorescence SIF inversion basic model. According to the crop functional chlorophyll fluorescence inversion method provided by the invention, the multi-source data cube is used as input, and two special processing links which are completely independent in physical mechanism and dynamic correction are constructed; high-precision and high-physical-reliability SIF time sequence product production for crops can be realized, and a reliable data basis is provided for precise monitoring of photosynthesis of an agricultural ecosystem.

The invention discloses a shallow-water circular-trench water-saving type rice and crab symbiotic three-dimensional agricultural ecological system and a planting and breeding method, and belongs to the technical field of ecological agriculture. Ridges are arranged on the periphery of a crab culture rice field, anti-escape crab membranes are constructed on the ridges, water-filled circular ditches are dug in the inner sides of the ridges, and water inlets and water outlets connected with water inlet channels and water outlet channels are formed in the opposite corners of the circular ditches respectively; soybeans and alternanthera philoxeroides are planted in ridges and circular ditches respectively, a dry-wet alternate irrigation mode is adopted in a rice planting area, water control is conducted after the tillering stage of rice, the lower limit threshold of water control is-10 kPa, and water is irrigated to the upper limit of the water level of the rice field when the lower limit of water control is reached. A three-dimensional planting and breeding system with two purposes in one land, two breeding in one water and three harvest in one season is realized; the land utilization efficiency is improved, and water-saving regulation and space optimization of the rice-crab symbiotic system are realized; water resource waste is reduced through an ecological cooperation mechanism, system stability is enhanced, it is ensured that rice and river crabs are in a proper growth environment, and planting and breeding comprehensive benefits are improved.

This invention belongs to the field of insect experimental devices, specifically disclosing an experimental device for the interaction between antiviral agents and natural enemy insects. It includes a release box for releasing natural enemy insects and an experimental box detachably installed around the release box. The release box and the experimental box each have a first elongated hole and a second elongated hole. An adjusting plate that can close the first elongated hole is slidably connected inside the release box. The adjusting plate has a channel that connects to the first elongated hole. The channel can move along the length of the elongated hole with the adjusting plate to adjust the passage height of the natural enemy insects. A drawer is provided at the bottom of the experimental box for holding sponges that absorb different amounts of moisture to provide a humid environment inside the experimental box. A spray nozzle is provided at the top of the experimental box for spraying the agent inside. This invention is used to simulate different environments to observe the autonomous selection behavior of natural enemy insects under different conditions and explore their complex interactions with agricultural ecosystems.

The present invention discloses a method for enriching and returning abandoned weathered gravel in ecological jujube orchards to the fields in a deep layer, and its supporting equipment. The method belongs to the field of returning to the fields in a deep layer, and includes a frame, and the top of the frame is connected to a surrounding motion mechanism. The surrounding motion mechanism includes a clamp ring arranged on the outside of the jujube tree, and a slide is slidably connected inside the clamp ring. One side of the slide is connected to a mobile device body via a connecting rod, and the bottom of the mobile device body is connected to a moving wheel for driving the frame to move radially around the clamp ring through the mobile device body. The present invention provides a method for enriching and returning abandoned weathered gravel in ecological jujube orchards in arid areas to the fields in a deep layer, provides an optimal particle size ratio for the rapid reduction of weathered gravel in the soil, realizes the efficient utilization of weathered gravel left in the field, reduces the high cost of soluble fertilizers and the risk of desertification, and is conducive to the restoration of degraded sand fields in arid areas and the reconstruction of agricultural ecosystems.

The invention provides a pomacea canaliculata egg poisoning reagent and a pomacea canaliculata egg poisoning method, and belongs to the technical field of agricultural pest control. The invention provides a pomacea canaliculata ovum poisoning reagent. The active ingredient of the pomacea canaliculata ovum poisoning reagent comprises an aqueous extract of an oleander raw material; the oleander raw material comprises one or more of leaves, stems and flowers of oleander; the aqueous extract of the oleander raw material contains rutin and oleandrin. The active ingredients of the poisoning agent comprise water-soluble natural active ingredients in the oleander, so that the poisoning agent has the advantage of being environmentally friendly, and the problem that the environment is polluted by a traditional chemical control method is effectively solved. Moreover, the aqueous extract of the oleander raw material contains rutin and oleandrin, and the rutin and the oleandrin have a synergistic effect, so that the poison killing effect on the ampullaria gigas eggs can be remarkably improved, and the problem of low physical prevention and treatment efficiency is solved. The poison reagent provided by the invention is suitable for green and accurate prevention and control of pomacea canaliculata in an agricultural ecosystem, especially a rice field.

The invention belongs to the technical field of irrigation regulation and control, and discloses a multi-source data fusion irrigation regulation and control system and method for smart agriculture. Comprising the following steps: collecting historical irrigation records and crop yield data of each farmland plot, and constructing a benefit response model library of each farmland plot; underground water level monitoring data and soil salinity accumulation data are collected in real time, and an ecological health degree attenuation curve of each farmland plot is generated; obtaining water resource management data and ecological red line constraint parameters, determining an irrigation amount feasible region of each farmland plot, and determining a sensitive plot in combination with an ecological health degree attenuation curve; according to the irrigation amount feasible region and the ecological health degree attenuation curve of each sensitive land parcel, an optimal benefit-ecological balance point is intelligently identified, and an eco-friendly irrigation regulation and control scheme is generated; according to the invention, intelligent irrigation water volume scheduling is realized on the premise of considering agricultural production benefits and regional ecological sustainability, and progressive degradation of an agricultural ecological system is effectively avoided.

The invention discloses a photovoltaic rainwater collecting device and system. The device comprises a collecting part, a pipe fitting, a mounting assembly and a power and control system, the collecting fan is in a double-working-face opening and closing horn shape, the horn is in a lotus leaf shape when opened, the inner wall face collects rainwater, the inner wall face is in a cockscomb shape when closed, and the outer wall face collects energy in a photovoltaic mode. Different structural functions are configured to meet working requirements under different weather conditions through double-sided design and opening and closing cooperation, and the large area of the collection fan is efficiently utilized; the flat cockscomb shape can reduce wind resistance. The inner cavity of the shell protects the collection fan, and the outer wall monitors the environment. The filter material of the filter piece can be a stainless steel filter screen, a limestone material, an activated carbon filter layer and ion exchange resin. The sensor deployment comprises multiple monitoring of rainfall, light intensity, wind speed and direction, inclination, liquid level and the like, and self-adaptive control of the device is achieved. The product has high adaptability to rainfall characteristics, rainwater physicochemical characteristics and scattered fragmentation characteristics of farming land in karst regions, has high space for installation and use-while-installation technology upgrading and function expansion, and is easy to access to intelligent agricultural ecology.

The invention discloses an integrated agricultural ecological system construction method and system based on the theory of traditional Chinese medicine, and relates to the technical field of intelligent agriculture and ecological agriculture. The method comprises the following steps: 1, systematized diagnosis and data acquisition; 2, intelligent dialectical analysis and scheme generation; 3, implementing a precise conditioning scheme; 4, performing dynamic monitoring and feedback regulation; according to the invention, the theory of traditional Chinese medicine is combined with the modern Internet of Things and big data technology, and intelligent management and resource cyclic utilization of agricultural production are realized by establishing a comprehensive system comprising three subsystems of soil conditioning, plant protection and ecological cycle; according to the present invention, the application of the chemical pesticide can be reduced by 92.5%, the application of the chemical fertilizer can be reduced by 88.3%, the soil organic matter content can be increased to 3.5%, the agricultural product premium rate can achieve 150-250%, the comprehensive production cost can be reduced by 25.8%, the unification of the economic benefit, the ecological benefit and the social benefit can be achieved, and the effective technical solution can be provided for the sustainable development of the modern agriculture.

The invention relates to application of n-tritetradecane in preparation of an aphidius gifuensis parasitic attractant, and belongs to the technical field of biopesticides. According to the technical scheme, the parasitism efficiency of the aphidius gifuensis to target pests can be improved, the parasitism potential of the aphidius gifuensis to unsuitable hosts can be expanded, therefore, the accuracy and stability of biological control are remarkably improved, meanwhile, a new technical means is provided for expanding propagation and utilization of the aphidius gifuensis, and the method is worthy of popularization and application. The method has an important application value for promoting the popularization of biological control in the agricultural field. Compared with a traditional mode depending on chemical pesticides, the method has the advantages that the problems of environmental pollution and pest resistance can be reduced, sustainable protection of an agricultural ecological system is achieved, development of a green prevention and control technology is promoted, and a new theoretical basis and an application tool are provided for comprehensive treatment of pests.

The invention belongs to the technical field of agricultural fertilizers, and particularly provides a polyurethane nano-microsphere liquid fertilizer as well as a preparation method and application thereof. The polyurethane nano-microsphere liquid fertilizer comprises humic acid, polyurethane, a nano-structure additive, a base fertilizer, a surfactant, an acid-base regulator and deionized water. Wherein the humic acid, the polyurethane and the base fertilizer are suspended in the deionized water in the form of a nano-microsphere structure with the particle size of 50-300nm, and the polyurethane and the surfactant are matched for use, so that the wetting, adhesion and residence time of the liquid fertilizer on leaf surfaces can be prolonged, the stratum corneum of the leaf surfaces can be softened, nutrients can be more easily absorbed by plants, and the nutrient utilization rate is higher. A humic acid-polyurethane network framework is constructed by humic acid and polyurethane through a nanostructure aid and a nanotechnology, has a relatively large specific surface area and rich functional groups, can efficiently adsorb and fix carbon in the atmosphere and convert and fix the carbon by virtue of photosynthesis of plants, and enhances the carbon sink function of an agricultural ecosystem.

The present application relates to the field of farmland fertilization technology, and particularly relates to a method for reducing N2O emission stimulated by straw returning to field, wherein NPK (nitrogen, phosphorus and potassium) fertilizer and organic fertilizer are applied to the soil while the straw is returned to the field; the present application shows that the denitrification of the soil by the straw is enhanced by applying the organic fertilizer, so as to reduce the stimulating effect of the straw returning to the field on N2O emission, and thus the application of the organic fertilizer plays a key role in reducing the stimulating effect of the straw returning to the field on N2O emission in the agricultural ecosystem.

The invention belongs to the technical field of agricultural ecosystem simulation and agricultural management optimization, and discloses a climate intelligent agricultural cross-scale collaborative optimization method under a climate warming background, which realizes deep fusion of crop growth, carbon nitrogen water circulation and greenhouse gas emission processes through segmented physical process coupling modeling; a knowledge guidance agent model is constructed, physical mechanism constraints and advantages of an intelligent algorithm are fused, high-resolution rapid simulation of a 30m field block scale is realized, and accurate management requirements are met; on the basis of a multi-objective optimization function and a genetic algorithm, precise field scale management and regional scale ecological constraints are planned as a whole, a cross-scale feedback relation is defined, and collaborative improvement of yield, emission reduction and resource utilization efficiency is achieved. According to the method, future climate and management scene changes are integrated through a scene-driven dynamic iteration mechanism, a staged optimal management path is formed, the timeliness and adaptability of an optimization strategy are improved, and scientific support is provided for climate intelligent agriculture development in different periods.

The present application relates to the field of farmland nutrient analysis, and particularly relates to a carbon-nitrogen labeled coupled analysis farmland ecosystem nutrient migration quantification method, which comprises the following steps: obtaining carbon-nitrogen concentration time series by collecting and preprocessing carbon-nitrogen isotope monitoring data; obtaining trajectory evolution optimization factors by performing two-dimensional collaborative trajectory evolution analysis on the carbon-nitrogen concentration time series; obtaining jump distortion optimization factors by performing real migration flux jump distortion feature analysis on the carbon-nitrogen concentration time series; obtaining nutrient migration mode division results by jointly modifying the trajectory evolution optimization factors and the jump distortion optimization factors on the basis of time series distance; and obtaining carbon-nitrogen nutrient migration evaluation results by performing quantification analysis on the nutrient migration mode division results, so as to solve the problem of migration mode division distortion caused by the forced alignment of secondary fluctuation misalignment and the confusion of deep background noise artifacts in the carbon-nitrogen isotope time series clustering of the farmland ecosystem by the existing multi-dimensional dynamic time warping algorithm.

The invention relates to an agricultural pest biological control technology, and aims to provide a rhodococcus strain and application thereof to degradation of insecticides and enhancement of parasitic wasp resistance. The strain is preserved in the China Center for Type Culture Collection, the preservation name is Fanqing Sheng Rhodococcus IT-1, the classification name of Latin is Rhodococcus qingshengii, and the preservation number is CCTCC NO: M 20252461. The 16S rRNA gene sequence of the strain is as shown in SEQ ID NO: 1. The strain is unique in source and broad in function spectrum; biological control can be enhanced, and the effect is remarkable; the strain is supplemented back into the parasitic wasp body in a feeding mode, the endurance capacity of the parasitic wasp to imidacloprid and thiamethoxam can be remarkably improved, and the strain has great significance in maintaining and enhancing the biological control function of an agricultural ecosystem and reducing dependence of chemical pesticides.

The invention relates to the technical field of farmland fertilization, in particular to a method for reducing N2O emission stimulated by straw returning, which comprises the following steps: applying NPK (Nitrogen, Phosphorus and Potassium) chemical fertilizer and organic fertilizer into soil while straw returning; the invention shows that the denitrification effect of the straws on the soil is enhanced by applying the organic fertilizer so as to reduce the excitation effect of the straw returning to the field on the N2O emission, so that the application of the organic fertilizer plays a key role in reducing the excitation effect of the straw returning to the field in an agricultural ecosystem on the N2O emission.

The invention relates to the technical field of nitrogen emission prediction, and discloses a DNDC-based machine learning feature extraction method and system, and the method comprises the steps: firstly extracting climate, soil and farmland management original features from agricultural ecosystem data; calculating an intermediate process variable related to the nitrogen cycle based on DNDC; training a machine learning reference model according to the original features to obtain a reference performance index value; combining each intermediate variable with the original features to construct an extended data set and train a model, and calculating an extended performance index value; by comparing the two performance indexes, screening intermediate variables which significantly improve the prediction effect to form an important variable set; and finally, combining the original features and the important variable set to train a machine learning model to obtain a high-precision nitrogen emission prediction model. According to the method, through fusion of a mechanism model and machine learning, dual improvement of prediction precision and interpretability is realized.

The utility model relates to the technical field of energy circulation, and discloses an agricultural ecosystem energy circulation device which comprises a shell, a feeding pipe is fixedly connected to the top of the left side of the shell in a sleeved mode, a closing plate is hinged to the right side of the feeding pipe, and a fixing block is fixedly connected to the right side of the closing plate. By arranging a rectangular block, a limiting rod, a connecting block, a vertical rod and a spring, when excrement is added into the inner cavity of the shell through the feeding pipe, a sealing plate overcomes the elastic force effect of the spring at the moment, the sealing plate drives a fixing block to rotate, and the rectangular block moves upwards under the limiting effect of the limiting rod; and thus, the connecting block extrudes and pushes the vertical rod while moving upwards, the vertical rod vertically moves upwards under the limiting action of the limiting sleeve, the effect of sealing the feeding pipe in the idle state is achieved, and biogas and odor are prevented from leaking out through the feeding pipe.

The invention discloses a shallow-water circular-trench water-saving type rice and crab symbiotic three-dimensional agricultural ecological system and a planting and breeding method, and belongs to the technical field of ecological agriculture. Ridges are arranged on the periphery of a crab culture rice field, anti-escape crab membranes are constructed on the ridges, water-filled circular ditches are dug in the inner sides of the ridges, and water inlets and water outlets connected with water inlet channels and water outlet channels are formed in the opposite corners of the circular ditches respectively; soybeans and alternanthera philoxeroides are planted in ridges and circular ditches respectively, a dry-wet alternate irrigation mode is adopted in a rice planting area, water is controlled after the tillering stage of rice, the lower limit threshold of water control is-10 kPa, and water is irrigated to the upper limit of the water level of the rice field when the lower limit of water control is reached. A three-dimensional planting and breeding system with two purposes in one land, two breeding in one water and three harvest in one season is realized; the land utilization efficiency is improved, and water-saving regulation and space optimization of the rice-crab symbiotic system are realized; water resource waste is reduced through an ecological cooperation mechanism, system stability is enhanced, it is ensured that rice and river crabs are in a proper growth environment, and planting and breeding comprehensive benefits are improved.

The invention discloses an insect prevention device for green vegetable planting, and belongs to the technical field of green planting, the insect prevention device comprises a bottom plate, a crawling insect repelling mechanism is fixedly connected to the upper end of the bottom plate, a flying insect trapping mechanism is fixedly connected to the upper end of the crawling insect repelling mechanism, and a photovoltaic module is fixedly connected to the upper end of the flying insect trapping mechanism; through cooperation of the crawling insect repelling mechanism and the flying insect trapping mechanism, insect prevention is carried out in a physical mode in the whole process, an intermittent knocking and vibrating repelling mode is adopted for crawling insects, a lamplight and attractant matched trapping mode is adopted for flying insects, no pesticide or insecticide is needed, and the environment-friendly and energy-saving environment-friendly insect trapping device is suitable for large-scale popularization and application. The influence of pesticide residues on the vegetable quality is fundamentally avoided, the safety and nutritional value of the green vegetables are guaranteed, a physical insect prevention mode cannot pollute soil, water sources and air, beneficial organisms cannot be damaged, the ecological balance of a planting area is favorably maintained, and the sustainable development of an agricultural ecological system is promoted.

The invention discloses a milk vetch ecological value dynamic evaluation method and system based on a multi-dimensional stripping algorithm, relates to the technical field of agricultural ecosystem evaluation, and effectively weakens background interference of different crop rotation conditions on ecological evaluation results by constructing a crop rotation background reference sequence and distinguishing continuous and discontinuous crop rotation states. The comparability and stability of ecological value evaluation are improved; astragalus sinicus turning and pressing operation is used as a disturbance stripping anchor point, and an alignment time window is constructed before and after turning and pressing, so that fine decoupling of an artificial farming operation disturbance effect and a long-term ecological change trend is realized, and the accuracy of turning and pressing ecological effect identification is enhanced; by performing parallel dimension stripping and unified time alignment on a gas absorption behavior and a gas emission behavior, positive and negative ecological effects are synthesized under the same time scale to form a gas regulation net effect sequence, so that ecological value bias caused by single-index analysis is avoided.

The application provides a synthesis method of nano-isoflavones and application of the nano-isoflavones in soybean root rot, and the method comprises the following steps: step 1, preparing A liquid, B liquid and C liquid, three solutions for reaction. The A liquid is a 0.3% chitosan (w / v) solution, the B liquid is a 0.6% genistein (w / v) solution, and the C liquid is a 0.3% sodium tripolyphosphate (w / v) solution. Step 2, mixing the three solutions A, B and C in step 1 according to a volume ratio of 4:1:2, and preparing under the condition of 45 DEG C and magnetic stirring and ultrasonic. The application not only helps to reduce the use of chemical pesticides and reduce environmental pollution, but also optimizes the soil structure and improves the sustainability of the agricultural ecosystem, and provides theoretical support and feasible path for the development of environment-friendly nano materials and the green prevention and control of soybean root rot.

The application discloses a method for promoting growth of plants of the genus Puccinellia and soil improvement by using composite bacteria, and the method mainly inoculates composite bacterial manure composed of arbuscular mycorrhizal fungi, rhizobium and bacillus, so that the total biomass, plant height and stem diameter of Puccinellia distans are significantly improved, and soil quality and structure are improved. The composite bacterial manure can not only reduce overuse of traditional chemical fertilizer, improve the use efficiency of the chemical fertilizer, reduce the agricultural production cost, but also relieve ecological environment pollution, maintain the balance of soil rhizosphere microorganisms, increase the nitrogen content of the soil, promote soil nutrient circulation, improve the agricultural ecological environment, and has great significance for sustainable development of green agriculture and animal husbandry in China and maintenance of the health of the agricultural ecological system.

The invention relates to a biological enhancement method for reducing farmland greenhouse gas emission and increasing saline alkali soil carbon sequestration amount. Aiming at the problems of high cost, easy double salt, unbalanced carbon and nitrogen and the like of the traditional saline-alkali soil improvement technology, the invention provides a method for preparing the microbial fertilizer by taking kitchen waste as a culture medium raw material, culturing plant growth-promoting bacteria at low cost, preparing a microbial inoculant and combining with a composting process. The microbial fertilizer is applied to saline-alkali soil instead of chemical fertilizer, so that the physicochemical property of the soil is improved, the NO emission of the soil is effectively reduced, and the carbon sequestration amount of an agricultural ecosystem is increased by promoting nitrogen absorption and organic carbon accumulation of crops. The method integrates waste resource utilization and soil carbon and nitrogen coordinated regulation and control, has multiple beneficial functions of rapid improvement of saline-alkali soil, crop yield increase, greenhouse gas emission reduction, soil carbon fixation amount increase and the like, and provides technical support for green agriculture development and target realization.

The present application provides a method, system, and computing device for measuring agricultural carbon sinks. Specifically, a dynamic agricultural ecosystem carbon sink model is established based on the biomass monitoring data, soil carbon content data, meteorological data, and agricultural management records of the agricultural ecosystem; based on the dynamic agricultural ecosystem carbon sink model, the carbon fixation efficiency of different crop types and different tillage methods in the agricultural ecosystem is analyzed; and the total carbon sink of the agricultural ecosystem is calculated. The technical solution provided in the present application can more accurately quantify the carbon absorption capacity of the agricultural ecosystem by establishing a dynamic agricultural ecosystem carbon sink model, thereby improving the accuracy of carbon sink measurement.

The utility model discloses a detecting and monitoring device for agricultural ecological carbon source collection evaluation, which comprises a bottom plate, support rods are fixedly connected to the periphery of the upper surface of the bottom plate, a positioning plate is fixedly connected to the center of the upper surface of the bottom plate, and a top plate is fixedly connected to the top ends of the support rods and the positioning plate. A meteorological monitoring assembly for monitoring the farmland meteorological environment is arranged on the upper surface of the top plate, a plurality of positioning sleeves are slidably connected to the positioning plate, and limiting sleeves slidably connected to the supporting rods are fixedly connected to the four corners of the outer side walls of the positioning sleeves. Through the cooperation of the bottom plate, the supporting rod, the positioning plate, the top plate, the meteorological monitoring assembly, the positioning sleeve, the limiting sleeve, the carbon dioxide sensor and the positioning assembly, the contribution proportion and the dynamic change rule of a carbon source and a carbon sink in the vertical space can be measured more accurately, and the evaluation precision of the carbon income and expenditure condition of the agricultural ecosystem is improved.