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47 results about "Root distribution" patented technology

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

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 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)

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

Automatic irrigation method and device based on artificial intelligence

The invention relates to the technical field of irrigation, in particular to an automatic irrigation method and device based on artificial intelligence, and the method comprises the steps: collecting crop physiological signals, microclimate data, soil parameters, root distribution data, crop canopy structure parameters and sprinkling angle adjustment range data of a planting area in real time; if the crop physiological signal exceeds a health threshold value, identifying a signal abnormity type and matching a growth stress factor; simulating an irrigation intervention effect and evaluating an irrigation priority based on the regional ecological model; if the priority is high, target irrigation working condition features are extracted from a historical irrigation database; acquiring irrigation demand parameters in combination with real-time data, and comparing the fitness; if the adaptation degree is insufficient, a dynamic irrigation scheme is generated according to the root system distribution data, the soil parameters and the sprinkling angle adjusting range data; and irrigating the planting area based on the dynamic irrigation scheme. According to the invention, dynamic and accurate irrigation of crops in a planting area can be realized.
Owner:HUNAN DELTA STRATEGY INFORMATION TECH SERVICES CO LTD

A method for rapid determination of soil nutrients in situ based on dielectric spectrum

This invention provides a rapid in-situ soil nutrient measurement method based on dielectric spectroscopy, belonging to the field of agricultural soil testing technology. The invention first deploys multiple monitoring points in the target area to simultaneously collect broadband dielectric spectrum, temperature, moisture content, and conductivity data, constructing a multi-source time-series dataset. Next, multi-dimensional feature vectors are constructed using multi-scale wavelet transform and entropy weighting. A three-Cole-Cole model is used to quantitatively remove moisture interference. The Arrhenius equation and partial least squares regression are employed to correct for the effects of environmental temperature changes and background electrolytes, respectively, extracting the pure response parameters of the target nutrient molecules. The initial nutrient values ​​of each soil layer are inverted using a random forest model, and the soil layers are weighted and fused based on cotton root distribution density to obtain the final nutrient content of the region. This method achieves in-situ, rapid, continuous, and undisturbed monitoring of soil nutrients, providing reliable technical support for precision agricultural management.
Owner:SHENYANG INST OF APPL ECOLOGY CHINESE ACAD OF SCI

Waxberry seedling raising and fertilizing device and method

The invention provides a waxberry seedling raising and fertilizing device and method. The method comprises the following steps: acquiring canopy information of waxberry seedlings to be fertilized in a waxberry seedling raising area; identifying the seedling condition grade of the waxberry sapling to be fertilized according to the canopy information; triggering a fertilization monitor according to the seedling condition level to scan the root distribution density and soil nutrient abundance of the rhizosphere soil area of the waxberry saplings to be fertilized; according to the root system distribution density information and the soil nutrient abundance information of the rhizosphere soil area, determining a limiting ring belt of a fertilizer control plate when annular furrow application is performed on the waxberry saplings to be fertilized in combination with a vertical coverage surface of the fertilizer control plate; determining the minimum constraint value of the fertilization spacing when the waxberry saplings to be fertilized are fertilized by combining the limiting ring belts with the positions of the main absorbing root zones of the waxberry saplings to be fertilized; and controlling the fertilizer control panel to perform constrained fertilization on the waxberry seedlings to be fertilized based on the minimum constraint value. According to the technical scheme provided by the invention, the chemical fertilizer can be controlled to cover the effective absorption area of the waxberry saplings to be fertilized.
Owner:WENZHOU VOCATIONAL COLLEGE OF SCI & TECH +1

Precise fertilization and moisture management system for traditional Chinese medicinal materials

The invention discloses a precise fertilization and moisture management system for traditional Chinese medicinal materials, and relates to the technical field of agricultural planting, and the system comprises a data collection module which is used for dividing a planting region into a plurality of sub-regions according to root distribution characteristics and environmental data, and collecting soil parameters, medicinal material growth states and environmental data of each sub-region in real time; the intelligent decision-making module is used for processing the collected data based on a planting prediction model constructed by a deep learning algorithm, dynamically predicting the fertilization demand quantity and the water demand quantity of the medicinal materials, analyzing the demand quantity according to a cost optimization algorithm, and generating a control strategy; wherein the control strategy comprises a fertilization amount, a water consumption amount and a proportioning scheme of an organic fertilizer and a chemical fertilizer; and the execution control module is used for controlling the mixing of the two paths of fertilizer liquid, the self-adaptive adjustment of the fertilizer injection depth and the adjustment operation of the irrigation flow based on the control strategy. The technical problems that root system microenvironment detection is difficult, water and fertilizer prediction is inaccurate, and distribution is uneven are solved.
Owner:BEIJING ZHONGKENDAODI TRADITIONAL CHINESE MEDICINE TECHNOLOGY CO LTD

An intelligent irrigation control method and system for high-standard farmland

The present invention provides an intelligent irrigation control method and system for high-standard farmland. The method obtains crop canopy image data and farmland terrain elevation data of different crop planting areas in the high-standard farmland; determines the crop growth stage based on the morphological feature data in the crop canopy image data, and constructs a soil hydrodynamics simulation model according to the root distribution depth interval and theoretical water absorption rate coefficient corresponding to the crop growth stage; generates soil moisture migration parameters using the soil hydrodynamics simulation model based on the farmland terrain elevation data and soil porosity parameters, and generates pipe network pressure control instructions in combination with the soil moisture migration parameters and a preset irrigation strategy. According to the pipe network pressure control instructions, the outlet pressure distribution of the intelligent irrigation pipe network is adjusted to generate irrigation control instructions. The present invention realizes precise spatiotemporal matching of irrigation in multiple crop rotation areas, improves water utilization efficiency, and solves the problems of irrigation uniformity due to terrain differences and rotation boundaries.
Owner:BEIJING XINDAYU WATER CONSERVANCY CONSTR ENG

Water and fertilizer separate control drip irrigation device for wheat and corn intercropping

ActiveCN224267408UAdapt to irrigation needsServe as a voltage stabilizer bufferClimate change adaptationPressurised distribution of liquid fertiliserAgricultural scienceAgricultural engineering
The utility model relates to the technical field of wheat and corn water and fertilizer drip irrigation, in particular to a wheat and corn intercropping water and fertilizer separate control drip irrigation device which comprises a drip irrigation pipe. The drip irrigation device further comprises sealing cover plates installed at the two ends of the drip irrigation pipe correspondingly, the sealing cover plates are used for sealing the two ends of the drip irrigation pipe, two installation blocks are connected to the outer side faces of the sealing cover plates, and inserting rods are installed at the lower ends of the installation blocks. The branch control assembly comprises a fixing rod, a separation module, a branch conveying module, a cavity separation module, a connection module, a transportation module and a drip irrigation module which are arranged in the drip irrigation pipe, the separation module is used for separating an inner cavity of the drip irrigation pipe, the branch conveying module is responsible for guiding water into the inner cavity of the corresponding drip irrigation pipe, and the cavity separation module serves as a buffer cavity area of the branch conveying module; the four rows of drip irrigation holes with different intervals and hole diameters are formed, the corresponding cavities and the drip irrigation holes can be selectively used according to the intercropping row spacing, planting density and root system distribution characteristics of wheat and corn, and the irrigation requirements of various intercropping modes are met.
Owner:GANSU AGRI UNIV