44 results about "Soil quality" patented technology

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

The application provides a kind of biological fertilizer prepared based on blue-green algae mud, and belongs to the technical field of biological fertilizer preparation.The biological fertilizer according to the application comprises, by weight fraction, 20-40 parts of blue-green algae mud fermentation liquor, 30-40 parts of straw, 18-36 parts of animal manure, 5-8 parts of urea, 6-12 parts of ammonium chloride and 0.2-1 part of yeast, wherein the blue-green algae mud fermentation liquor is prepared by mixing blue-green algae mud and heat condensate, then adding enzyme preparation, mixed Bacillus and inorganic salt mixture, and anaerobic fermentation culture.The application not only realizes the resource treatment of blue-green algae mud and reduces environmental pollution, but also the prepared biological fertilizer contains nutrients such as nitrogen, phosphorus and potassium required for plant growth, and the crops applying the biological fertilizer prepared by the application can not only improve the survival rate, but also further improve the yield per mu, improve the soil quality, and the soil porosity reaches 60-65%, without caking and residue.

The utility model belongs to the ground source heat well construction technical field, concretely relates to a modularization ground source heat well well wall support structure, including a plurality of casing, the casing lateral wall left and right symmetry is from top to bottom and is set with a plurality of recess, all be provided with support subassembly in the recess, a plurality of casing are mutually butted, the casing lateral wall all are provided with pumping unit. Support subassembly includes movable plate that is movably connected in recess lateral wall near the middle part, the movable plate lateral wall is provided with locking piece, the recess lateral wall is located the bolt that is screwed on movable plate upside. The locking piece includes the stud that is screwed in movable plate lateral wall, the recess lateral wall is set up two threaded holes away from movable plate, the stud is matched with threaded hole. The utility model can be fast with the casing under the position of a section of position after drilling and digging certain depth, prevent the well wall from being affected by the flow or the soil quality and cause the collapse, effectively support the well wall.

The application discloses a kind of microbial fertilizer and its in improving white pulp soil carbon sequestration capacity and application in promoting straw decomposition, belong to the technical field of microbial fertilizer.The microbial fertilizer includes organic matter, biochar, microbial inoculant, trace element and microbial activator;The microbial inoculant includes bacillus ND2 and bacillus megaterium CICC 22681;The microbial activator includes fulvic acid, gamma-polyglutamic acid and sorbitol.The microbial fertilizer of the application has the dual function of white pulp soil improvement and straw decomposition, can accelerate straw decomposition, improve white pulp soil structure, improve soil fertility and carbon sequestration capacity, help agricultural waste resourceization and soil quality improvement collaborative development, in white pulp soil area or other barren soil area in future agricultural production, it is expected to become important technical support for promoting sustainable development of ecological agriculture, and application prospect is wide.

The application discloses a kind of multi-parameter farmland soil obstacle in situ precision detection device, method and system, it is related to farmland soil detection technical field, including: mobile platform, control and power cabin and lifting column;Control and power cabin are provided with on mobile platform, and mobile platform is connected with control and power cabin by bolt;Lifting column is provided in the middle of mobile platform, and the upper portion of lifting column is rotary-impact drive head, and the lower portion is main probe rod, and the bottom of rotary-impact drive head is connected with the top of main probe rod by flange;Control and power cabin are used to control rotary-impact drive head adjustment drive mode according to the soil quality of sensor feedback;Rotary-impact drive head controls the penetration mode and power output of main probe rod;Satellite probe is provided with on the two sides around main probe rod, and satellite probe is detachably connected in the two side walls of mobile platform;Needle rod probe is provided with on the bottom of main probe rod, and needle rod probe is integrated with multi-parameter sensor array inside.Effectively improve detection efficiency.

This invention relates to the fields of microbiology and biotechnology, and discloses Bacillus coagulans PPX-13 and its applications. Strain PPX-13 is a thermotolerant, multifunctional phosphate-solubilizing biocontrol bacterium that can reduce rhizosphere soil acidification in tea trees, improve fertility, enhance the microbial ecological environment, improve the functional microbial community and structure, inhibit mold communities and structure, and increase the yield of spring tea. It has been identified as Bacillus coagulans. This bacterium exhibits mesophilic and thermotolerant phosphate-solubilizing activity; phytase activity; multiple enzyme activities; and mesophilic antagonistic activity against isolates of anthracnose fungal pathogens. This strain holds promise for development into a novel agricultural microbial agent, which is of great significance for mitigating soil acidification, reducing fertilizer use, activating soil nutrients, improving soil quality, and increasing plant (especially tea) yield and quality.

The application provides a kind of based on multi-field coupling's bionic mineralization reinforced soil method, belongs to geotechnical engineering technical field.The bionic mineralization reinforced soil method includes: first, the soil quality of target area is detected, obtains soil structure type, calculates soil structure correction coefficient, gas correction coefficient and calcium ion correction coefficient;Then, vacuum preloading system and ultrasonic excitation system are arranged in target area at intervals, based on soil structure type and soil structure correction coefficient, the working parameters of vacuum preloading system and ultrasonic excitation system are set, vacuum preloading system and ultrasonic excitation system are opened in turn, and reinforcing solution containing calcium source and bionic crystal form control agent is injected into target area;Finally, stop injecting reinforcing solution, ammonia and carbon dioxide are injected in turn, carbon dioxide is converted into carbonate ion under ammonia atmosphere and bionic mineralization reaction occurs with reinforcing solution, so as to reinforce target area.

This invention relates to the field of data analysis, and more particularly to a method for assessing farmland soil quality based on multi-source sensor information fusion. The method includes: constructing gradient energy features and performing phase-aligned cross-correlation assessment on soil resistance depth curve data to obtain a gradient energy phase-locking factor; performing rheological consistency coupling assessment on the morphological features of the soil resistance depth curve and soil volumetric water content to obtain a rheological morphology coupling factor; jointly correcting the basic Euclidean distance to obtain an adaptive similarity distance and performing clustering iterations; and performing spatial modeling and prescription mapping on the clustering results and sampling point location information to obtain a precise soil compaction diagnostic map and generate differentiated deep loosening operation instructions. This addresses the problem that existing Euclidean distances easily cause misalignment of compaction layer features and distortion of rheological intensity under farmland micro-topographic undulations and water content differences, leading to distorted clustering partitions.

The present application relates to the field of agricultural ecological environment management and carbon sink monitoring technology, and more particularly to a tea tree lossless tea garden carbon fixation and sink increase method, comprising: pyrolyzing agricultural waste to obtain biochar and making the biochar into a specific standard biochar-based fertilizer; determining tea garden soil organic matter, cation exchange capacity and soil bulk density, calculating soil quality comprehensive coefficient by using improved Nemerow comprehensive index method and dividing soil quality grades according to the soil quality comprehensive coefficient; applying the biochar-based fertilizer in a differentiated application amount according to the soil quality grades; determining tea tree aboveground biomass after fertilization and calculating tea tree carbon storage according to a corresponding carbon storage model selected according to the age of the tea tree; simultaneously determining soil parameters to calculate tea garden soil carbon storage; and finally taking the tea tree carbon storage and the soil carbon storage as the total carbon sink of the tea garden. The present application realizes systematic, accurate and lossless monitoring of tea garden carbon fixation and sink increase technology.

This application relates to the field of soil analysis technology and discloses a multispectral image-driven intelligent soil quality assessment method and system. By introducing a working condition parameter recording and explicit modeling mechanism, it effectively optimizes the consistency problem faced by multispectral remote sensing data in long-term application and cross-regional promotion. Traditional soil quality remote sensing assessment methods often use single-temporal data for modeling, neglecting the systematic impact of changes in observation conditions on spectral data, resulting in a significant performance degradation of the model when applied in different times and regions. This method eliminates external interference factors through spectral correction and state decoupling techniques, enhances the stability of feature expression through multi-scale feature construction constrained by mechanisms, balances the model's universality and specificity through a hierarchical modeling architecture, ensures performance for cross-regional application and long-term operation through regional adaptation and drift detection techniques, and maintains the model's continuous effectiveness through a continuous learning mechanism.

The application provides a water-retaining soil conditioner containing high-efficiency degrading bacteria and a preparation method and application thereof, and belongs to the technical field of soil improvement.The water-retaining soil conditioner comprises a carboxymethylated modified humic acid-chitosan compound, modified attapulgite powder, a composite microbial inoculum, konjac glucosan, polyacrylic acid, bentonite, polyglutamic acid, sodium alginate, mushroom residue, seaweed residue and straw compost; the composite microbial inoculum is obtained by combination of Candida tropicalis, Bacillus smithii and Bacillus pasteurii.The application realizes precise adaptation of the carrier and the high-efficiency degrading bacterial group by optimizing the design of the composite water-retaining carrier and introducing specific bacterial combinations, strengthens the synergistic effect of water retention, bacteria fixation, slow release and soil improvement, realizes water retention, degradation and fertilization synergistic effect, and has important practical significance and application value for improving soil quality, guaranteeing crop production and promoting the development of ecological agriculture.

The application discloses a soil quality intelligent evaluation method and system based on big data analysis, relates to the technical field of wisdom agriculture and digital soil, and comprises the following steps: collecting and fusing multi-source soil data of a target region, and extracting a characteristic index set; dynamically screening a core evaluation index set through a characteristic importance evaluation algorithm; inputting the core evaluation index set into a pre-trained model, outputting a comprehensive soil health index by analyzing the nonlinear relationship between indexes; combining the index with historical time series data of the core index to construct an early warning model, predicting the risk probability of indexes exceeding a safety threshold; generating a spatialized early warning map according to the risk probability and plot information; and finally matching a knowledge base to generate differentiated management schemes for plots with different risk levels. The method realizes adaptive and dynamic determination of core evaluation indexes, and can probabilistically predict and prospectively warn soil degradation risks.

The present invention provides a soil improvement method that eliminates the need for or reduces the amount of soil improvement materials such as solidifying agents, allows for the continuous and large-scale processing of soil, and stabilizes the quality of the improved soil. [Solution] A soil improvement method using a mixing apparatus including a soil transport means, an improved soil transport means, and a mixing means, comprising the steps of: acquiring data relating to the quality of the original soil; preparing improved soil by mixing the original soil at an arbitrarily determined mixing ratio; acquiring image data of the improved soil; obtaining data relating to the particle size distribution of the improved soil from the image data of the improved soil, and if the data relating to the particle size distribution of the improved soil does not satisfy predetermined conditions, adjusting the mixing ratio, wherein the soil improvement method determines the transport mass per unit time (converted to dry mass) of each original soil using the quality data, and adjusts the mixing ratio using the numerical value of the transport mass.

This invention relates to a halophilic glutamate bacterium (Hydrogenophilus glutamate) Glutamicibacter halophytocola CBGS-20, with accession number CGMCC No. 34682, possesses not only the abilities to release silicon, dissolve phosphorus, solubilize potassium, and produce ferrophosphate and IAA, but also exhibits acid and alkali resistance, salt tolerance, heavy metal resistance, and the ability to control plant pathogens. This invention also discloses the application of this strain in promoting plant growth and improving soil quality. Based on the strain's growth and stress resistance characteristics, this strain shows great promise for applications in the production of novel bio-organic fertilizers, biopesticides, soil conditioners, and / or artificial substrates, as well as in the improvement of tailings areas, heavy metal-contaminated soils, and saline-alkali land.

This invention relates to the field of agricultural equipment technology, and in particular to an automatic walking incinerator for treating fallen rapeseed after harvest. It includes a frame, wheels at the bottom of the frame, a fuel tank on the frame, a track frame at the end of the frame, an adjustable sliding seat on the track frame, and an incinerator. The fuel tank supplies fuel to the incinerator via a feed pump and a fuel delivery pipe. During its movement, the invention incinerates the rapeseed that has fallen to the ground, preventing residual rapeseed from affecting soil quality and creating space and nutrients for subsequent planting. It effectively solves the problem of handling fallen rapeseed after harvest, ensuring high efficiency and environmental friendliness while reducing labor intensity and operating costs. Incineration not only eliminates weeds and pests but also improves soil quality, laying a good foundation for the growth of the next crop.

This invention provides an intelligent row seeder, control system, and method, relating to the field of intelligent agricultural equipment technology. The intelligent row seeder includes a single main frame with a press wheel, furrowing disc, and pressure spring assembly mounted on it. The main frame also integrates a sensor integration box and an edge computing control box. During field operation, the sensors scan the terrain and soil conditions in real time, and the edge computing control box issues commands based on AI algorithms to drive linear actuators to dynamically adjust the furrowing disc depth limiter to control the furrowing depth, and simultaneously drives the electronic control adjustment mechanism to change the downward pressure of the single-unit ground pressure spring in real time. This invention integrates AI perception and mechanical execution to achieve closed-loop adaptive adjustment of sowing depth and press pressure, effectively overcoming the uneven sowing depth caused by differences in terrain and soil quality, reducing energy consumption and labor costs, and achieving precision sowing.

The application discloses a light no-tillage seeding machine and belongs to the technical field of seeding machines. The light no-tillage seeding machine comprises a light push frame, two rotating shafts are rotationally connected to the light push frame, two front soil-breaking wheels are fixedly arranged on one rotating shaft, two rear pressing roller wheels are fixedly arranged on the other rotating shaft, a light diesel engine is used as a power source, and the front soil-breaking wheels and the rear pressing roller wheels can realize the mechanical movement purpose. During movement, automatic ditching, uniform seed feeding and soil dispersion and uniform covering effects can be realized, one-time seed feeding and no-tillage seeding purposes are realized, soil ploughing is avoided, and soil quality and an ecological environment are protected. In addition, a repeated linkage structure is used, a plurality of stand rods are arranged on a plug-in plate, seed in a storage hopper is repeatedly stirred, and seed blocking is avoided. Compared with a traditional no-tillage seeding machine, the light no-tillage seeding machine has simple and light structures, is convenient to use, is suitable for small farmland popularization and use, and greatly improves seeding efficiency.

This invention relates to a system and method for evaluating the quality grade of naturally selenium-rich land. The system includes: a data acquisition and analysis module for acquiring multi-source data of the area to be evaluated; a selenium-rich land discrimination module for determining whether land is naturally selenium-rich based on total selenium content and soil pH value; a comprehensive evaluation index module for constructing a comprehensive evaluation index system; a weight determination module for calculating the weight of each evaluation index in the comprehensive evaluation index system; a quality grade calculation module for calculating the membership degree of evaluation indicators at each index layer in the comprehensive evaluation index module; a grade division module for calculating the comprehensive quality index of each evaluation unit using an additive method; and a visualization module for integrating the evaluation thematic map with the geographic base map to obtain a quality grade evaluation map. This invention enables quantitative model calculation and spatial visualization representation of the quality grade of naturally selenium-rich land.

This invention provides a vibration acceleration quantification model for a buried vibration monitoring sensor, belonging to the field of vibration acceleration quantification technology. It is the first to introduce an influence coefficient of the vibration transmission path, solving monitoring errors caused by soil quality, burial depth, and soil characteristics in buried scenarios, and is adaptable to all types of outdoor geological environments. It incorporates the total mass of the device as a quantification parameter, addressing the problem of poor monitoring consistency caused by mass differences in mass-produced equipment. By inversely solving the vibration source intensity, it achieves quantitative and graded identification of pedestrians, passenger vehicles, and engineering vehicles, reducing the false alarm and missed alarm rates. Specifically designed for outdoor underground installation, it is compatible with the acquisition rules of acceleration sensors and can be directly integrated into existing buried vibration monitoring hardware without significant board modifications, resulting in high mass production feasibility. The formula has low computational complexity, is compatible with low-power main control chips, does not increase device power consumption, and significantly improves monitoring accuracy, meeting the requirements for long-term outdoor operation.

The present application relates to a kind of clay suction device and its working method, clay suction device includes: suction part (1), including suction pipe (11) and the division component (12) being arranged at the import end of the suction pipe (11);Material taking part (2) is arranged at the import end of the suction part (1), and the material taking part (2) includes the scraping blade (22) of scraping the clay to be suctioned;And push part (3) is configured to push the clay to be scraped down by the scraping blade (22) towards the division component (12) to divide the clay, improve the problem that the large block of soil quality is not easy to be stripped and is easily blocked in conveying process Suction duct leads to serious reduction of suction efficiency and influence rescue speed in prior art.

This invention discloses a soilless hydroseeding substrate and its application. The soilless hydroseeding substrate is composed of either Scheme A or Scheme B, or the substrate comprises two separately packaged components, namely Scheme A and Scheme B. Scheme A consists of the following components and their mass percentages: 5-10 parts decomposed corn stalks, 5-10 parts decomposed sugarcane bagasse, 3-6 parts rice husk charcoal, 20-30 parts crushed stone, 0.5-1 part binder, and 0.1-0.5 parts water-retaining agent. Scheme B consists of Scheme A with the addition of 2-3 parts seeds. The crushed stone has a particle size of 1-5 mm. This invention can solve the problems of poor soil quality and water and fertilizer retention capacity in rocky desertification areas, and the difficulties in soil sampling, high costs, and unstable soil layers encountered when using traditional topsoil methods for vegetation restoration.

This invention relates to the field of soil monitoring technology, specifically to a method and system for detecting and processing multi-source soil environmental data based on sensor networks. After acquiring soil environmental data, the method performs consistency verification through a validation mechanism, identifies and removes suspicious data within a preset time window to form a valid dataset; identifies soil hazard parameters and generates hypothetical soil quality; compares the hypothetical soil quality with the actual soil quality, and identifies soil hazard parameters whose difference exceeds a preset allowable error threshold as anomalous hazard parameters; outputs all normal hazard parameters along with the identified anomalous hazard parameters to avoid interference from anomalous hazard parameters. This invention filters out suspicious data caused by sensor malfunctions or transmission interference before core analysis, ensuring the reliability of soil environmental data, identifying and isolating anomalous hazard parameters, avoiding distortion of global soil quality assessment by local extreme values, and improving the accuracy and reliability of soil quality assessment results.

The utility model discloses a kind of earth turning devices for landscaping, including frame, welding frame is installed on the both sides of the frame, rotatingly installed with rotary tiller between the welding frame, installation groove is set on the rotary tiller one end position of the frame, main shaft motor of driving the rotary tiller rotation is fixedly installed on the installation groove, the top of the frame is fixedly installed with tilt frame, the other end of the frame is fixedly installed with auxiliary harrow group.The rotary tiller can throw up soil during turning over when changing rotating direction, and make it drop to the top of screen to screen, so that large diameter stone or not easy to crush soil is screened out, increase the screening function of the device to larger stone in soil, ensure the soil in soil quality Looseness, promote soil ventilation, keep moisture and improve soil quality.

This utility model belongs to the field of soil sample technology and discloses a sample storage device for arable land soil quality testing. It includes a classification and storage mechanism, comprising a storage cylinder with a rotatable inner rotating plate inside. The inner rotating plate has multiple sets of tube slots spaced at equal intervals, and each set of tube slots contains a set of sample tubes. An outlet is located on one side of the upper part of the storage cylinder, and an electric push rod is installed on one side of the lower part of the storage cylinder. Compared with the prior art, this utility model has the following advantages: When samples need to be stored, the inner rotating plate rotates to rotate empty sample tubes sequentially to below the outlet, and the electric push rod drives the lifting block to push them out, making it convenient for operators to retrieve them. After filling, the sample tubes are placed back into the bottom slot along the outlet, and the inner rotating plate then aligns the next set of empty tubes with the outlet, repeating the cycle. This design simplifies the sample storage and retrieval process, significantly improves work efficiency, and the independent classification and storage of sample tubes effectively avoids the risk of sample confusion.

This invention relates to the field of high-efficiency crop cultivation and farmland soil fertility improvement technology, and particularly to a green and efficient management method for the entire growth cycle of a maize-soybean intercropping system. This invention provides a closed-loop management technology solution for the entire growth cycle. Through precise coupling and parameter matching of soil quality grading, optimized density configuration, reduced fertilizer application, plant type control, photosynthetic efficiency enhancement, and straw return rotation, it achieves stable grain yields, rapid soil fertility improvement, and enhanced ecological benefits, while overcoming long-standing technical challenges in this field. It provides practical and reliable technical support for green and efficient farmland production in major grain and oilseed producing areas.

The application relates to the related technical field of highway construction, in particular to a soil quality detection sampling device for highway engineering, which comprises a base, a supporting frame fixedly installed on the base, a threaded pushing piece installed on the supporting frame, a sampling device installed on one end of the threaded pushing piece, and a transmission piece connecting the sampling device; symmetrically arranged elastic extruding pieces are installed on the supporting frame and connected with the sampling device; a sample collecting device is installed on the base and connected with the sampling device; the sample collecting device comprises a plurality of sample collecting tubes which are circumferentially distributed, and the positions of the sample collecting tubes change when the sampling device is used for secondary sampling; the sample collecting device is synchronously driven to work by controlling the sampling device to work, the sampling and sample collecting work of soil quality can be completed, different soil qualities can be continuously sampled, and the soil qualities sampled from different sections of highways can be collected in different sample collecting tubes.

This invention discloses a dynamic assessment and improvement regulation system for tea garden soil quality, relating to the fields of soil testing and agricultural planting technology. The proposed solution includes a soil monitoring module, an environmental monitoring module, a data preprocessing module, a dynamic soil quality assessment module, an improvement regulation module, and a management decision-making and visualization platform. These modules work collaboratively to form a complete closed loop for soil quality management. This invention constructs a closed loop for soil quality management through multi-module collaboration, achieving multi-dimensional, high-precision data collection to ensure data reliability. It uses a scientific model to dynamically assess and self-optimize soil quality, generating personalized improvement plans and forming a "policy implementation-feedback-optimization" closed loop. The visualization platform enables intuitive management and remote control, solving problems such as lagging data, blind improvement, and inefficient decision-making in traditional tea garden soil management. This improves management precision and decision-making efficiency, avoiding resource waste and environmental pollution.

This invention belongs to the field of soil improvement and precision agriculture technology, specifically involving a method for precise application of soil conditioners based on soil physicochemical properties, including the following steps: S1, grid-based sampling of the target field, measuring multiple physicochemical properties of soil samples at each sampling point, wherein the multiple physicochemical properties include at least soil pH, soil organic matter content, and soil cation exchange capacity (CEC); significantly improved accuracy: through grid-based sampling and spatial analysis, the degree and type of soil obstacles at different locations within the field are accurately identified, achieving "tailored measures based on soil conditions and application as needed"; good comprehensive improvement effect: breaking through the limitations of single-indicator improvement, multiple key physicochemical properties such as pH, organic matter content, and CEC are incorporated into a unified decision-making framework, and the optimal comprehensive application amount is given through a multi-indicator collaborative decision-making method, achieving a comprehensive improvement in soil quality.