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55 results about "Root distribution" patented technology

Method for optimizing spatial distribution of garden plants

The invention discloses an optimization method for spatial distribution of garden plants, which comprises the following steps: generating a high-precision 3D model of a garden terrain by adopting a plant spatial adaptive layout algorithm and utilizing a laser radar or unmanned aerial vehicle technology, generating a weight matrix according to soil types, illumination intensity and drainage characteristics, and applying a dynamic weight Voronoi algorithm in the terrain model to optimize the spatial distribution of the garden plants. The method comprises the following steps: generating a planting range of each plant, establishing a root distribution model by using an underground imaging technology, simulating distribution dynamic of moisture and nutrients among root systems in combination with underground hydrological data, collecting sensor data in real time by using a wireless network, designing a dynamic irrigation scheme, and optimizing the planting density and irrigation range of the plants. Data such as terrain and climate are integrated into a virtual garden, the virtual garden is ensured to be consistent with an actual state through interaction of a sensor and a digital twinborn model, plant growth, ecological benefit changes and disaster risks are predicted by using the digital model, and a user is allowed to modify and optimize the garden layout in real time through a visual interface.
Owner:安阳市人民公园管理站

Automatic navigation and positioning method for agricultural equipment

The invention provides an automatic navigation and positioning method for agricultural equipment, and the method comprises the steps: obtaining the root system residue distribution data of a previous crop and the soil hardening difference, building a correlation model of the crop root system residue distribution and the soil hardening difference, and determining a target tillage depth plan for the sowing of a next crop according to the correlation model; the operation track and depth parameters meeting the soil texture improvement requirements are applied to an automatic navigation and positioning system of agricultural equipment, and the operation process of the agricultural equipment is automatically controlled and dynamically adjusted; and based on the adjusted operation track and depth parameters, analyzing the long-term influence of an automatic navigation and positioning system of agricultural equipment on soil texture improvement in different growing seasons by tracking soil quality indexes, crop yields and root system distribution.
Owner:BEIJING UNIV OF AGRI

Water environment ecological management method and system based on constructed wetland

The invention relates to the technical field of water environment treatment, in particular to a water environment ecological treatment method and system based on a constructed wetland, and the method comprises the following steps: measuring the dissolved oxygen concentration, ammonia nitrogen concentration, total phosphorus concentration, water temperature and pH value of a root zone in the constructed wetland, and calculating the pollutant concentration distribution value and plant root system distribution density of each monitoring point; and obtaining a water quality root distribution characterization value. In an artificial wetland environment, the concentration of dissolved oxygen, the concentration of ammonia nitrogen, the concentration of total phosphorus, the water temperature and the pH value of a root zone are measured, the concentration distribution of pollutants is calculated, numerical calculation is carried out in combination with the distribution density of plant root systems, water quality root system distribution characterization is constructed, spatial heterogeneity analysis of wetland water quality is enhanced, and the targeting of pollutant degradation is optimized. Based on water quality root system distribution characterization, plant growth cycle parameters are calculated in combination with water quality parameters, association between water quality dynamic changes and plant growth states is constructed, and the adaptability of wetland ecological regulation and control is improved.
Owner:ELECTRIC COMPREHENSIVE INVESTIGATION OF SURVEYING INST OF MINISTRY OF INFORMATION IND

Intelligent irrigation control method and system for high-standard farmland

The invention provides an intelligent irrigation control method and system for a high-standard farmland. The method comprises the following steps: acquiring crop canopy image data and farmland terrain elevation data of different crop planting areas in the high-standard farmland; determining a crop growth stage based on morphological characteristic data in the crop canopy image data, and constructing a soil hydrodynamic simulation model according to a root distribution depth interval and a theoretical water absorption rate coefficient corresponding to the crop growth stage; and based on the farmland terrain elevation data and the soil porosity parameter, generating a soil moisture migration parameter by using a soil hydrodynamic simulation model, generating a pipe network pressure regulation and control instruction in combination with the soil moisture migration parameter and a preset irrigation strategy, and adjusting the water outlet pressure distribution of the intelligent irrigation pipe network according to the pipe network pressure regulation and control instruction. Generating an irrigation control instruction; accurate space-time matching of irrigation of the multi-crop rotation area is achieved, the water utilization efficiency is improved, and the problem of irrigation uniformity at the terrain difference and the rotation boundary is solved.
Owner:BEIJING XINDAYU WATER CONSERVANCY CONSTR ENG

Slope reinforcing method based on artificially guided root system distribution

The invention provides a side slope reinforcing method based on manually guided root system distribution, and relates to the technical field of side slope protection. The method comprises the steps that a target side slope is investigated, and the dominant load type of the side slope is determined; based on the dominant load type, determining a first root system arrangement proportion suitable for the target slope according to predetermined root system arrangement proportions of optimal root system soil fixation static strength and optimal root system soil fixation dynamic strength; and according to the first root system arrangement proportion, slope reinforcement engineering is implemented. According to the technical scheme, the arrangement proportion of the root systems of the slope greening plants is determined based on the load type to implement the reinforcement project, and the targeted slope reinforcement method is beneficial to achieving a better slope reinforcement effect.
Owner:BEIJING FORESTRY UNIVERSITY

Potassium magnesium sulfate synergistic application mechanism optimization method

The invention discloses a potash magnesium sulphate synergistic application mechanism optimization method, and relates to the field of intelligent agricultural fertilization control. According to the method, growth characteristic parameters such as the fruit weight gain rate and the root distribution depth of the citrus reiculata Blanco are collected in real time, and the fertilization amount is calculated and dynamically adjusted in combination with the T-S fuzzy model, so that the fertilization amount can accurately meet the growth requirements of crops, and excessive fertilization or insufficient fertilization is avoided.
Owner:CHONGQING UNIV +1

Intelligent water distribution system and method for intercropping system root space-time competition

The invention relates to the field of agricultural irrigation, in particular to an intelligent water distribution system and method for root space-time competition of an intercropping system, and is applied to agricultural precise irrigation, efficient utilization of water resources and management of the intercropping system. According to the system, the ground penetrating radar and the multispectral laser technology are fused, and crop root system distribution, activity and nutrient data are accurately obtained. Based on transfer learning and multi-agent reinforcement learning algorithms, a root system competition model is constructed, and an optimal water distribution strategy is intelligently decided. The deformable drip irrigation execution module achieves precise irrigation, the water consumption is greatly reduced by 20%-35%, and waste is effectively avoided. Meanwhile, the system balances the growth requirements of intercropping crops, relieves root competition, improves the overall yield and stability, and the amplification reaches 15%-25%. According to the system, the utilization efficiency of water resources is remarkably improved, and powerful support is provided for sustainable development of modern agriculture.
Owner:ANHUI AGRICULTURAL UNIVERSITY

Synergistic soil fixation system and method based on grass planting slope protection root system and grating

The invention relates to the technical field of environmental protection, in particular to a cooperative soil fixation system and method based on a grass planting slope protection root system and a grating, and the system comprises a root system distribution optimization module, a grating structure adaptation module, a soil fixation capability improvement module, a slope stability evaluation module and a dynamic adjustment module. According to the method, priority distribution is constructed by extracting a root system supporting strength key section and combining root system depth and density changes, accurate recognition and differential layout of soil structure characteristics are achieved, a stress adaptation relation is established by matching grating parameters of all areas, the soil bearing and supporting coordination degree is improved, and the accuracy of the soil structure characteristics is improved. A soil fixation capability concentration area is extracted based on consolidation change and root trend, accurate evaluation of consolidation strength per unit area is realized, slope stability effectiveness is monitored by identifying a water flow scouring and stability change coincidence period, disturbance tasks are classified, grid switching frequency is dynamically adjusted, response efficiency and anti-interference capability under sudden change load are enhanced, and slope stability evaluation is realized. The problem that a traditional soil fixing structure is insufficient in adaptability is solved.
Owner:ZHONGYU DESIGN CO LTD

Forestry seedling transplanting device

The invention discloses a forestry seedling transplanting device which comprises a base, a shell, two moving tracks, a connecting piece, an irrigation mechanism, a transfer mechanism, a plurality of barrier plates and a plurality of binding mechanisms, the two moving tracks are installed on the two sides of the base respectively, the shell is arranged on the base, and a transverse through groove and a longitudinal through groove are formed in the shell; the connecting piece is arranged on one side of the base, and the irrigation mechanism is arranged on one side of the connecting piece; the transfer mechanism is arranged in the shell and corresponds to the transverse through groove and the longitudinal through groove in position. Therefore, the planting perpendicularity of the seedlings can be guaranteed, unbalanced distribution of root systems is avoided, normal extension of the root systems is guaranteed, a stable supporting system is constructed, and the absorption efficiency of the seedlings to water and nutrients is improved. Meanwhile, uniform watering can be carried out in time after the nursery stocks are planted, the labor intensity of workers is reduced, sufficient and uniform water supply of each nursery stock is ensured, root systems are prevented from unbalanced growth due to water taxis, and a root system balanced structure is maintained.
Owner:武城县林业管理服务中心

Saline-alkali soil improvement method

The invention belongs to the technical field of soil remediation, and particularly relates to a saline-alkali soil improvement method which comprises the following steps: soil preparation: irrigating after ploughing; compacting the soil: compacting the air-dried soil; planting of the gramineae plants and the leguminous plants: intercropping the gramineae plants and the leguminous plants after rotary tillage, wherein the distance between the adjacent gramineae plants and leguminous plants is 30-45cm. According to the method, a blocking layer for limiting downward movement of soil moisture and upward migration of underground moisture is formed in a soil compaction mode, salt moves along with repeated evaporation of moisture is established, before compaction, soil is turned over and irrigated, salt is promoted to permeate downwards, compaction is conducted after turning over and irrigating, on one hand, salt infiltration is further promoted, on the other hand, the salt content is reduced, and the soil quality is improved. After compaction, surface soil is subjected to rotary tillage to loosen, so that root systems of the corn and the soybeans laterally develop, and the surface soil is improved by utilizing ecological habits of different crops and a root system distribution difference principle.
Owner:LUDONG UNIVERSITY

Ploughing quality dynamic evaluation system with multi-dimensional adaptability index

The invention relates to the technical field of cultivated land quality monitoring, and discloses a multi-dimensional adaptability index-based cultivated land quality dynamic evaluation system, which comprises a crop root feature analysis module for inputting crop varieties and growth period parameters, calling a root depth database to obtain a rooting depth interval, and outputting slope angle parameters matched with root distribution; the three-dimensional space modeling sampling planning module is used for receiving the inclined plane angle parameters, constructing a cubic three-dimensional model of an evaluation area, generating an initial diagonal plane, laying sampling points according to a vertical gradient, and generating three-dimensional coordinates; the central axis of the cube three-dimensional model serves as a rotating axis, the initial diagonal plane is controlled to rotate by 90 degrees each time, and four orthogonal diagonal planes are generated. According to the cultivated land quality dynamic evaluation system based on the multi-dimensional adaptability index, through root system depth-oriented three-dimensional inclined plane sampling and space rotation coverage, the capture limitation of traditional grid point distribution on cultivated land micro-domain variation is broken through, and three-dimensional accurate description of soil attributes within a crop rooting range is achieved.
Owner:INNER MONGOLIA AGRICULTURAL UNIVERSITY

Method for calculating ecological water consumption of plants in arid and semi-arid regions

The invention relates to the field of ecological hydrology, and discloses an arid and semi-arid region plant ecological water consumption calculation method, which comprises the following steps: acquiring meteorological, soil and vegetation phenological data; constructing a root system depth dynamic evolution model, and updating the maximum depth of the root system day by day; determining the depth weight of the effective moisture extraction layer based on the dynamic root system distribution; calculating the weighted average effective soil water content; and outputting daily-scale ecological water consumption in combination with the corrected transpiration scale model. By coupling meteorological driving, soil moisture stress and a dynamic regulation and control mechanism of a plant growth stage on a root system, the water consumption inversion precision is remarkably improved, the root-mean-square error is reduced by more than 25% through actual measurement verification, and a high-precision quantification tool is provided for ecological water demand evaluation and water resource management.
Owner:水利部水利水电规划设计总院

Water and fertilizer integrated drip irrigation device for fruit tree planting and use method

The invention provides a water and fertilizer integrated drip irrigation device for fruit tree planting and a use method, and belongs to the technical field of fruit tree drip irrigation planting. Comprising a machine body, a control center is installed on the surface of the machine body, a mixing and stirring barrel is installed in the machine body, a water inlet is formed in one end of the mixing and stirring barrel, a liquid outlet pipe is installed at the bottom of the mixing and stirring barrel, a water pump is installed at one end of the machine body, and a fertilizer suction pump is arranged behind the machine body. A fertilizer barrel is mounted at one end of the fertilizer suction pump. Through the synergistic effect of the mixing and stirring assembly and the annular positioning assembly, periodic turning stirring is realized, a shear flow field and vortex composite effect is formed, and the dissolution uniformity of a fertilizer and source water is improved; the adjustable arc-shaped bracket adapts to the whole-cycle root distribution of the fruit tree; the elastic turning plate and the pressure compensation water dropper cooperatively regulate water flow to adapt to different soil pressure, uniform permeation is ensured, root rot is avoided, and the water and fertilizer utilization rate is remarkably increased.
Owner:LINFEN RURAL REVITALIZATION RESEARCH INSTITUTE (LINFEN FRUIT VEGETABLE MEDICINAL TEA DEVELOPMENT GUIDANCE CENTER)

Precise irrigation system and method based on plant growth model and edge calculation

The invention relates to the technical field of edge calculation, in particular to a precise irrigation system and method based on a plant growth model and edge calculation, and the system comprises an environment perception fusion module, a growth state matching module, an edge water volume calculation module, an equipment instruction issuing module and a feedback cycle recognition module. According to the invention, continuous detection and unified processing are carried out on environmental data through edge nodes, data integrity and space mapping efficiency are improved, moisture absorption capability and root distribution are matched according to crop growth stage parameters, an area to be irrigated is accurately calibrated, and target water volume calculation is locally completed in combination with a real-time soil state. A time and flow matching structure is constructed, pertinence of irrigation control is improved, control instructions are executed through distributed control equipment, response behaviors are recorded, equipment state traceability is achieved, continuous feedback recognition is conducted on soil moisture changes after irrigation, dynamic adjustment of a closed loop is promoted, the system response speed and irrigation precision are improved, and the risk of resource waste is reduced.
Owner:湖北亿立能科技股份有限公司

Tobacco leaf quality improving method and system based on planting soil management

The invention discloses a tobacco leaf quality improving method and system based on planting soil management. The method comprises the following steps: firstly, acquiring historical soil quality and root growth data of a tobacco plant, and analyzing root growth preferences under different soil conditions by using a clustering algorithm to form soil quality-preference data; combining the soil quality data of the target planting area to construct a root growth probability distribution map, and predicting root distribution according to the planting target; determining the arrangement position of a soil monitoring sensor according to a prediction result, and establishing a monitoring network to realize real-time acquisition of soil substance change; and finally, adjusting and managing nutrient substances in the tobacco planting process according to the monitoring data. According to the method, the adaptability of root systems and soil is improved, nutrient supply is optimized, balanced growth and stable quality of the tobacco leaves are promoted, and therefore tobacco leaf quality improvement and planting benefit optimization are achieved.
Owner:CHINA TOBACCO GUANGXI IND

A method for ex situ plant conservation based on soil ball model

ActiveCN118923475BForestryBotanyAgronomy
The present invention provides a plant ex situ conservation method based on a soil ball model, comprising: determining a plant migration zone that matches a plant migration zone; performing root distribution detection on a target plant that needs to be transplanted in the plant migration zone; establishing a root system configuration model of the target plant according to the root system distribution detection result; determining the soil ball specifications of the target plant according to the root system configuration model of the target plant; excavating the target plant with the soil ball according to the obtained soil ball specifications of the target plant to obtain the target plant with the soil ball; transporting the target plant with the soil ball to the determined plant migration zone; and planting the target plant with the soil ball in the plant migration zone. The present invention provides a plant ex situ conservation method based on a soil ball model, which quantifies a fine determination method of soil ball specifications, and can effectively improve the survival rate of transplanted plants by determining the soil ball specifications of the target plant and assisting other plant ex situ conservation measures.
Owner:CHINA RENEWABLE ENERGY ENG INST +3

A growth environment multi-factor comprehensive monitoring method and system based on ancient tree protection

The application discloses a kind of based on the growth environment multi-factor comprehensive monitoring method and system of old tree protection, including step (S1) non-invasive perception network construction: in the crown layer area of old tree deployment meteorological monitoring unit, real-time acquisition photosynthetic active radiation intensity PAR and crown layer surface temperature T c ; with trunk as center, soil sensor array is radially laid in root distribution area, and soil volume water content θ and soil water potential are monitored in layers;Micro-invasive thermal diffusion probe is installed at the breast diameter of trunk, and xylem original liquid flow flux SF raw Is continuously measured, and initial liquid flow flux SF raw Calibration is carried out;Foundation interferometric radar is erected outside the protection zone, and three-dimensional spatial distribution point cloud P r Of root is obtained by surface scanning.This application can realize more comprehensive old tree monitoring, and timely find the existing abnormality of old tree environment.
Owner:SICHUAN FORESTRY & GRASSLAND INVESTIGATION & PLANNING INST (SICHUAN FORESTRY & GRASSLAND ECOLOGICAL ENVIRONMENT MONITORING CENT)

Street tree planting method capable of expanding root system range

The invention provides a border tree planting method capable of expanding a root system range. The method comprises the following steps: digging a planting belt of border trees on the side of a road; setting out and fixing points to determine a planting area and a permeable supporting area of each border tree; laying a supporting module at the bottom of the planting belt, wherein the supporting module is located in the permeable supporting area; base fertilizer is applied to the bottom of the planting area and covered with thin soil; placing trees in the planting area; tensioning assemblies are pre-embedded in the four corners of the tree soil ball; root blocking plates are laid on the two sides, parallel to the road, of the planting belt and the top sides of the supporting modules; preparing special planting soil, and backfilling the planting area and the permeable supporting area with the special planting soil; and a permeable pavement is laid above the supporting module, a plant pit cover plate is installed above the soil ball, and the plant pit cover plate is connected with a tensioning assembly. The problems that the root growth space of border trees is limited, the root distribution range is insufficient, roads and pipelines are damaged by roots, and water permeability and air permeability of root soil become poor after long-term compression can be solved.
Owner:GUANGZHOU HAIZHU CHENGFA ECOLOGICAL LANDSCAPE CO LTD +1

Perennial fruit tree freeze injury treatment and production and income increasing management method

The invention discloses a perennial fruit tree freeze injury treatment and production and income increasing management method which comprises the following steps: digging holes: symmetrically digging two holes in a fruit tree root distribution area, the depth of each hole being 15-20cm, and the hole diameter being suitable for accommodating a preset fertilizer and an aqueous solution; applying a functional fertilizer: uniformly applying 0.8-0.9 jin of an AnWo compound microbial fertilizer into each hole, wherein the total application amount of a single plant is 1.6-1.8 jin; 10-15 kg of the prepared mixed aqueous solution is applied in an equal amount through two holes, and it is ensured that the solution permeates into a root system distribution layer; soil covering and effect maintaining, wherein the holes are immediately filled and leveled up with original soil after watering, and the fertilizer makes full contact with the root system. The invention relates to the technical field of fruit tree cultivation. According to the perennial fruit tree freezing injury treatment and production and income increasing management method, the freezing injury treatment scheme has the advantages of being easy to operate, low in cost and quick in effect, and is suitable for spring freezing injury emergency treatment of perennial fruit trees.
Owner:遵化市三安农林技术研究发展中心 +1

Efficient seedling lifting device for ginkgo trees

The utility model relates to the technical field of ginkgo tree planting equipment, and discloses an efficient ginkgo tree seedling lifting device which comprises a movable frame, a seedling lifting mechanism is arranged at the bottom of the movable frame, and a lifting mechanism is fixedly connected to the top of the movable frame; the seedling lifting mechanism comprises a driving assembly and a supporting assembly, and the supporting assembly is arranged on the surface of the driving assembly; the driving assembly comprises an L-shaped frame, the L-shaped frame is arranged at the bottom of the moving frame, a first motor is fixedly connected to the side face of the L-shaped frame, a screw is fixedly connected to one end of the first motor, a sliding block is in threaded connection with the surface of the screw, L-shaped blocks are fixedly connected to the two ends of the sliding block respectively, and limiting rods are slidably connected into the L-shaped blocks. According to the efficient seedling lifting device for the maidenhair trees, a first motor is used for driving a screw rod to rotate, a sliding block can be driven to slide under limiting of a limiting rod through an L-shaped block, the distance of an arc-shaped shovel is changed, and therefore seedling lifting soil can be adjusted according to the distribution size of roots of saplings.
Owner:YUNNAN XIMEIKANG AGRI DEV CO LTD

A water environment ecological management method and system based on artificial wetlands

The present invention relates to the technical field of water environment management, specifically a water environment ecological management method and system based on artificial wetlands, comprising the following steps: measuring the dissolved oxygen concentration, ammonia nitrogen concentration, total phosphorus concentration, water temperature and pH value in the root zone in the artificial wetland, calculating the pollutant concentration distribution value and the plant root distribution density at each monitoring point, and obtaining the water quality root distribution characterization value. In the artificial wetland environment, the present invention calculates the pollutant concentration distribution by measuring the dissolved oxygen concentration, ammonia nitrogen concentration, total phosphorus concentration, water temperature and pH value in the root zone, and performs numerical calculations in combination with the plant root distribution density to construct a water quality root distribution characterization, strengthen the spatial heterogeneity analysis of wetland water quality, and optimize the targeting of pollutant degradation. Based on the water quality root distribution characterization, the plant growth cycle parameters are calculated in combination with the water quality parameters, the relationship between the dynamic changes in water quality and the plant growth status is constructed, and the adaptability of wetland ecological regulation is improved.
Owner:ELECTRIC COMPREHENSIVE INVESTIGATION OF SURVEYING INST OF MINISTRY OF INFORMATION IND

Root breaking machine for agricultural machinery ploughing

The invention belongs to the technical field of agricultural cultivation and root breaking machinery, and particularly relates to a root breaking machine for agricultural mechanical cultivation, which comprises a shell and a rotary tillage mechanism, the rotary tillage mechanism comprises a main shaft, a positioning bulge, a plurality of outer cylinders and a plurality of rotary tillage cutters; the main shaft is provided with the positioning protrusion, the positioning protrusion and the main shaft are both connected with the outer cylinder in a sliding mode, the outer cylinder can move in the axial direction of the main shaft, and the rotary blade is connected to the outer cylinder. Wherein the rotary blades can synchronously rotate along with the main shaft. The positioning protrusions on the main shaft are in sliding fit with the outer barrels, so that the outer barrels can move in the axial direction of the main shaft, and the overall position of the rotary blade is driven to change. Compared with a traditional structure that the rotary blades are fixedly installed, the space and the arrangement position of the rotary blades can be flexibly adjusted according to operation requirements, the rotary blade device adapts to different soil conditions and different crop stubble distribution, and the root breaking effect and the operation adaptability are improved.
Owner:LIYING MASCH CO LTD

Environment adjusting method for black soil root system layer soil

The invention discloses an environment adjusting method for soil of a black soil root system layer, and belongs to the technical field of facility agriculture. The adjusting method comprises the steps that the depth range of the black soil root system layer is obtained after ploughing, and the black soil caking state in the depth range is obtained; based on the black soil caking state, preparing a black soil caking modifier; based on a black soil caking modifier dispenser, a black soil caking modifier is injected into the soil of the black soil root system layer; a nutrient dispenser is arranged on the black soil root system layer, and base fertilizer is dispensed; monitoring a crop state in a crop growth period in real time, and determining a nutrient demand of the crop; based on root system distribution of crops, nutrients are put into different root system layer depths; monitoring the caking state of the root system layer of the black soil during the growth period of the crops, and putting the black soil caking modifier during the growth period of the crops. The problem that the black soil root system layer is difficult to efficiently and individually adjust in the prior art is solved, and then the environment adjustment effectiveness of the black soil root system layer is fully improved.
Owner:CENTER FOR AGRICULTURAL TECHNOLOGY NORTHEAST INSTITUTE OF GEOGRAPHY & AGROECOLOGY

Soil loosening equipment for rice planting

The invention discloses soil loosening equipment for rice planting, and relates to the technical field of rice planting, the soil loosening equipment comprises a transmission assembly, a soil loosening assembly and a synchronous soil crushing assembly, and the soil loosening assembly and the synchronous soil crushing assembly are arranged at the front end and the rear end of the transmission assembly respectively. The device can adapt to different line spacing, soil hardness and root system distribution in real time by integrally utilizing lifting translation of the soil loosening teeth and angle adjustment of the soil ploughing piece, thoroughly solves the problems of missing loosening, excessive loosening and root damage of traditional equipment, effectively improves the operation coverage rate, realizes power linkage of soil loosening, soil ploughing and soil crushing by utilizing the transmission assembly, and improves the working efficiency. The soil is prevented from being hardened in working procedure gaps, the working efficiency is improved, when the soil loosening assembly works, the synchronous soil crushing assembly ascends and descends synchronously, potential energy is adjusted, soil obtained after soil loosening is accurately received, and soil block accumulation or soil crushing lagging caused by power separation of traditional equipment is avoided.
Owner:SHANGHAI FUYAO FRUIT & VEGETABLE PROFESSIONAL COOP

Deep buried drip irrigation system

The invention relates to the technical field of crop irrigation, in particular to a deep-buried drip irrigation system. The system comprises a water supply pipe network, a branch dripping unit and a water supply control unit, the branch dripping unit comprises branch hoses, the top ends of the branch hoses are connected with drippers, the multiple branch hoses are vertically connected to the water supply pipe network, the water supply control unit comprises a water pump and a water pump electric control box, the water pump is connected with the water supply pipe network through a pipeline, and the water pump electric control box comprises a water pump control module. The water pump control module can control the working state of the water pump according to a soil humidity signal collected by a soil humidity sensor arranged in soil. The branch hoses buried underground are prevented from being cut or cut off during plowing operation of crops, frequent laying and recycling are not needed, equipment loss is reduced, field operation is not affected, water is directly conveyed to a crop root distribution area, and surface evaporation is avoided.
Owner:PANJIN SHISHENG PETROLEUM TECH CO LTD

Slope reinforcement method based on artificial guiding of root distribution

This application provides a slope reinforcement method based on artificially guided root distribution, belonging to the technical field of slope protection. The method includes: investigating the target slope to determine the dominant load type; determining a first root distribution ratio suitable for the target slope based on the dominant load type and predetermined root distribution ratios that are optimal for both static and dynamic soil-fixing strength; and implementing slope reinforcement work according to the first root distribution ratio. This technical solution, by determining the root distribution ratio of slope vegetation based on load type for reinforcement work, is a targeted slope reinforcement method that facilitates better slope reinforcement results.
Owner:BEIJING FORESTRY UNIVERSITY

Soil root layer root distribution observation device

The utility model discloses a soil root layer root system distribution observation device, which relates to the technical field of plant root system research, comprises an outer layer drainage barrel and an inner layer plastic cultivation barrel arranged on the inner side of the outer layer drainage barrel, and is characterized in that an outer side base is fixedly arranged at the bottom of the outer layer drainage barrel; the inner-layer plastic cultivation barrel comprises a semi-circular barrel body I and a semi-circular barrel body II, a filtering base plate is fixedly arranged at the bottom end of the semi-circular barrel body I, and a plurality of soil moisture leaching holes are formed in the filtering base plate. The device is convenient to operate, simulates a real soil environment, can observe the root growth distribution condition of crops in the whole growth period at any time, can take out complete root systems in a soil layer in a lossless manner, facilitates data measurement, is not easy to damage the root systems, has good result accuracy, can collect soil leacheate through the water storage bin, facilitates measurement of soil moisture and nutrient leaching loss, and is convenient to popularize and use. Calculating soil moisture utilization rate and fertilizer utilization efficiency, and guiding agricultural production water and fertilizer management.
Owner:JIANGSU ESSENCE AGROCHEM

A method for optimizing a potassium-magnesium sulfate cooperative application mechanism

This invention discloses a method for optimizing the synergistic application mechanism of potassium sulfate and magnesium, relating to the field of intelligent agricultural fertilization control. By collecting growth characteristic parameters such as the fruit weight gain rate and root distribution depth of mandarin oranges in real time, the method combines a T-S fuzzy model to calculate and dynamically adjust the fertilizer application rate, ensuring that the fertilizer application rate accurately matches the growth needs of the crop, avoiding over-fertilization or under-fertilization.
Owner:CHONGQING UNIV +1

Soil humidity threshold regulation and control method and system for efficient cultivation of red plum apricots

The invention discloses a soil humidity threshold regulation and control method for efficient cultivation of red plum apricots, and relates to the technical field of soil humidity threshold regulation and control. The method comprises the following steps: acquiring a soil type, a root distribution depth and a climate condition, determining a soil water retention capacity and an initial moisture utilization rate in combination with a preset red plum apricot growth stage database, classifying growth stages by adopting a k-means clustering algorithm, and acquiring an initial humidity threshold matched with the soil and the climate. If the climate condition deviation exceeds the threshold value, the humidity threshold value is adjusted through a linear regression algorithm, and the dynamic environment change is ensured to be adapted. Based on the adjusted humidity threshold value and root system distribution, a decision tree algorithm is adopted to evaluate the ponding risk, a dynamic drainage scheme is generated in combination with a drainage strategy database, and finally the irrigation amount is adjusted in real time through a proportional integral differential algorithm. The irrigation and drainage strategy can be dynamically optimized, accurate water management is achieved, the growth efficiency of the red plum apricots is improved, and the water accumulation risk is reduced.
Owner:GUYUAN BRANCH NINGXIA AGRI & FORESTRY SCI

Electric three-way ball valve pressure flow adaptive control method for agricultural irrigation

The application is an electric three-way ball valve pressure flow adaptive control method for agricultural irrigation, relates to adaptive fusion of multi-depth soil humidity data and intelligent irrigation control technology, aims to solve the problem of poor adaptability of existing root zone water state monitoring and regulation to different crop root distribution and dynamic response characteristics, and its core scheme includes using a sensor array to collect humidity time series data in layers, extracting root zone response inflection points through multi-stage calibration, denoising and sliding window differentiation, combining historical irrigation and crop growth databases to construct a multi-layer humidity data weighting and crop physiological lag fingerprint library, realizing weight adaptive adjustment based on active root depth, and further generating humidity values reflecting the actual root zone water condition through dynamic weighted fusion, thereby optimizing fuzzy PID parameters and accurately driving the electric valve to execute closed-loop irrigation. The method significantly improves the intelligence and adaptability of humidity fusion and irrigation regulation, and can effectively support fine management of root zone water under multi-crop and variable working conditions.
Owner:SHANDONG DAKUAN INTELLIGENT TECHNOLOGY CO LTD