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43 results about "Black earth" patented technology

Black soil cultivated land organic carbon degradation diagnosis method based on geographic big data and AI

The invention provides a black soil cultivated land organic carbon degradation diagnosis method based on geographic big data and AI, and the method comprises the steps: constructing a black soil area cultivated land organic carbon degradation potential influence factor data set and a diagnosis model, judging the spatial correlation of potential influence factors, training the diagnosis model based on the data set, and obtaining a diagnosis result of the black soil area cultivated land organic carbon degradation. And performing black soil area cultivated land organic carbon degradation influence factor identification based on the trained diagnosis model, and performing organic carbon degradation influence factor action mechanism analysis based on an identification result. According to the method, by utilizing high resolution and high timeliness of geographic space big data and cloud computing, multiple types of potential factors such as climate, soil, terrain and agricultural activities which influence organic carbon change of the cultivated land in the black soil area can be quickly calculated on a large-area scale, and manpower, material resources and time costs caused by large-area data collection and analysis are avoided; by using an artificial intelligence algorithm, the main control factor of organic carbon degradation of the cultivated land in the black soil area is accurately identified from multiple potential factors, and the current degradation situation can be objectively evaluated.
Owner:INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS

Black soil basin ecological safety monitoring method and device based on multi-source data fusion

The invention discloses a black soil basin ecological safety monitoring method and device based on multi-source data fusion. The method comprises the steps of obtaining an ecological environment report text, environment parameter time sequence data, structured attribute data and remote sensing image information of a target black soil basin; inputting the remote sensing image information into a pre-trained image-to-text model to obtain an ecological environment description text; performing feature extraction and data fusion on the ecological environment description text, the ecological environment report text, the environment parameter time sequence data, the structured attribute data and the remote sensing image information to obtain multi-modal fusion data; inputting the multi-modal fusion data into a pre-trained environmental parameter prediction model to obtain predicted environmental parameters of the target black soil basin in a future time period; and when the predicted environmental parameters exceed a preset safety threshold range, ecological safety early warning information is generated. The accuracy and timeliness of ecological safety monitoring and early warning of the black soil basin are improved, and the method can be widely applied to the technical field of ecological environment monitoring.
Owner:E SURFING IOT CO LTD

Black soil area ecological stability-restoring force coupling partition method and system

The invention discloses a black soil area ecological stability-restoring force coupling zoning method and system, and relates to the technical field of ecological environment protection. Collecting multi-source spatio-temporal data of a target black soil area, and analyzing and obtaining the ecological stability and ecological restorability of the area; according to the spatial heterogeneity of the ecological stability and the restoring force, spatial difference characteristics of ecological variables in different geographic units are mined, and spatial coupling analysis is carried out on the ecological stability and the ecological restoring force through restoring force prediction; and according to a coupling analysis result, performing ecological stability-restoring force coupling partition management on the target black soil area. According to the invention, space identification and differentiation management of the ecological system state of the black soil area are realized.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Method and system for analyzing black soil degradation satellite remote sensing intelligent monitoring data

The invention is suitable for the technical field of land monitoring, and provides a black soil degradation satellite remote sensing intelligent monitoring data analysis method and system. Acquiring a measurement target, acquiring a corresponding relation between the measurement target and the satellite data, and determining an actual value of the measurement target according to the corresponding relation; the threshold value is the minimum limit of qualification of the measurement target, whether the measurement target goes wrong is determined according to the threshold value, if the measurement target is judged to be normal, the weight of the measurement target is acquired, and a degradation evaluation index is calculated according to the weight; the method comprises the steps of obtaining a degradation evaluation index, obtaining an evaluation threshold value of the degradation evaluation index, obtaining recovery measures, determining the used recovery measures according to grading, and sending the recovery measures to a terminal, and solves the problem that in an existing black soil degradation monitoring process, the degradation degree cannot be judged according to measurement data of a satellite; and meanwhile, the land degradation degree of the current black land cannot be comprehensively considered.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S

Black soil CT image reconstruction method based on deep learning

The invention discloses a deep learning-based black soil CT image reconstruction method. The method comprises the steps of S1, obtaining a black soil CT image and performing preprocessing to form a data set; s2, a CycleGAN cyclic consistency network model comprising a bidirectional generator is established, the generator comprises an encoder, a residual device and a decoder, and a direction perception attention module is integrated in the residual device; s3, inputting a data set into the network model, optimizing a generator through a direction perception attention mechanism, and outputting a reconstructed high-resolution black soil CT image; and S4, evaluating the quality of the reconstructed image based on the statistical distribution similarity and the perception fidelity index. According to the method, accurate extraction and efficient fusion of different scale features in the black soil CT image are realized by using the deep learning model, and the accuracy and comprehensiveness of image analysis are improved, so that reliable data support is provided for black soil feature research and related protection and restoration strategy formulation.
Owner:BEIJING FORESTRY UNIVERSITY

Method and system for evaluating anti-corrosion fertility improvement effect of degraded black soil area

The invention relates to the technical field of cultivated land improvement effect evaluation, and particularly discloses a degraded black soil area anti-corrosion fertility improvement effect evaluation method and system, and the method comprises the steps: receiving a modification behavior inputted by a user, and determining an evaluation level of the modification behavior according to a historical behavior; sampling points are selected in the black soil improvement area, and soil data containing time labels are obtained at the sampling points; identifying the soil data containing the time label, generating an improvement effect, and synchronously adjusting the data acquisition frequency of the sampling point; acquiring terrain parameters at each sampling point, constructing a sample set of the terrain parameters and improvement effects under the modification behavior, and training a neural network model; according to the method, the sampling points are selected in the degraded black soil area, and the dynamic data sampling frequency is synchronously introduced, so that under the same cost condition, more data of the important sampling points are obtained, the data volume quality is very high, the cost is reduced in a disguised manner, and when the cost is limited, more test areas can be built.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S +1

Ecological security monitoring method and device for black soil basin based on multi-source data fusion

The application discloses a black soil basin ecological safety monitoring method and device based on multi-source data fusion, and comprises the following steps: obtaining ecological environment report texts, environmental parameter time series data, structured attribute data and remote sensing image information of a target black soil basin; inputting the remote sensing image information into a pre-trained graph text generation model to obtain ecological environment description texts; performing feature extraction and data fusion on the ecological environment description texts, the ecological environment report texts, the environmental parameter time series data, the structured attribute data and the remote sensing image information to obtain multi-modal fusion data; inputting the multi-modal fusion data into a pre-trained environmental parameter prediction model to obtain predicted environmental parameters of the target black soil basin in a future period; and generating ecological safety early warning information when the predicted environmental parameters exceed a preset safety threshold range. The application improves the accuracy and timeliness of black soil basin ecological safety monitoring and early warning, and can be widely applied to the technical field of ecological environment monitoring.
Owner:E SURFING IOT CO LTD

Modeling method for incidence relation between deformation field and erosion amount of black soil erosion gully

The invention discloses a modeling method for the incidence relation between a deformation field and the erosion amount of a black soil erosion gully. According to the method, firstly, monitoring points are selected in black soil erosion gully areas with different landforms, high-precision equipment is used for collecting landform and hydrological data, and soil sample properties are analyzed; analyzing the deformation field, generating a digital elevation model, and determining the characteristics of the deformation field in combination with image interpretation; the erosion amount is calculated by adopting an improved erosion model, the deformation field and erosion amount data are integrated, and an incidence relation model is established by applying multiple methods. The model is verified through multi-source data fusion, and after improvement and perfection according to the result, the method is applied to black soil erosion gully dynamic monitoring, risk assessment and treatment planning. The method is comprehensive in data acquisition and deep in analysis, the model is accurate and effective, a scientific basis can be provided for black soil resource protection and sustainable utilization, and the problem of black soil erosion can be solved.
Owner:HEILONGJIANG PROVINCIAL HYDRAULIC RES INST

A method, device and terminal equipment for monitoring degradation of black soil

The application provides a black soil degradation dynamic monitoring method and device and a terminal equipment, and is suitable for the field of image processing technology. The method comprises the following steps: based on a preset black soil degradation monitoring image segmentation model, according to black soil degradation monitoring image segmentation block quantity information, performing segmentation processing on black soil degradation monitoring image information to generate black soil degradation monitoring image segmentation block information; and based on a preset black soil degradation dynamic monitoring model, according to the black soil degradation monitoring image segmentation block information, generating black soil degradation dynamic monitoring information. The application improves the segmentation accuracy of the black soil degradation monitoring image, adapts to the resolution difference of different satellite remote sensing images and the topographic heterogeneity of the black soil area, and thus improves the effectiveness and applicability of the black soil degradation monitoring.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S

A method for constructing a knowledge graph of water and soil conservation measures in black soil regions

The application discloses a kind of black soil region water and soil conservation measure configuration knowledge graph construction methods, comprising the following steps: S1, the construction of knowledge storage module;S2, the construction of knowledge expression module;S3, the construction of knowledge reasoning module;S4, the construction of knowledge display module.Through the present application, the water and soil conservation configuration knowledge of black soil region can form a knowledge graph.The knowledge graph is a visual display of related abstract concepts and information.By searching a certain spatio-temporal scene of soil erosion, the correlation between water and soil conservation measures and the scene, the benefit change or environmental change before and after the measure configuration, and the farmers' economic interests are obtained, thereby providing tool support for the popularization and technical promotion of water and soil conservation configuration knowledge.
Owner:INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS +1

Black land monitoring sampling device and use method thereof

The invention provides a black land monitoring and sampling device which comprises a moving frame, a lifting mechanism is arranged at the top of the moving frame and comprises a servo motor, the output end of the servo motor is connected with a rotating rod through a coupler, the surface of the rotating rod is in threaded connection with a rotating block, and one side of the rotating block is fixedly connected with a moving plate. According to the black soil monitoring sampling device and the using method thereof, the lifting mechanism is matched with the sliding assembly to drive the storage sleeve to move downwards, and meanwhile, the lifting mechanism is matched with two transmission wheels, a transmission belt, two clamping grooves, two clamping strips and a connecting rod, so that the storage sleeve is inserted into black soil and rotates towards one side at the same time; and meanwhile, by rotating the rotating sleeve of the required part in the multiple sections of storage sleeves to one side, the limiting sleeve is separated from the rotating sleeve, and the storage sleeves are detached, so that samples required by different depths can be conveniently and quickly taken out.
Owner:内蒙古自治区农牧业生态与资源保护中心(内蒙古自治区耕地质量监测保护中心)

Black soil area resource data processing method and device based on geographic information system

The invention relates to a black soil area resource data processing method and device based on a geographic information system. The method comprises the following steps: acquiring remote sensing image data, soil attribute data and land utilization data of a black soil area; determining a terrain gradient by utilizing remote sensing image data, determining a soil type by utilizing soil attribute data, and determining a land utilization mode by utilizing land utilization data; dividing the black soil area into a plurality of relatively homogeneous space evaluation units based on the terrain gradient, the soil type and the land utilization mode; performing evaluation on execution conditions of various black soil protection measures in each space evaluation unit by adopting a preset regional cost-efficiency ratio target, an economic benefit target and an ecological benefit target, and determining a target protection measure of each space evaluation unit; and configuring a corresponding target protection measure in each space evaluation unit to form a space configuration scheme. By adopting the method, the spatial configuration granularity can be refined, and the configuration accuracy of the black soil protection measures is improved.
Owner:SHANG HAI ZHANG JIANG SHU XUE YAN JIU YUAN

Intelligent sensing and automatic control device for drainage flow of concealed conduit in northeast black soil area

The invention discloses an intelligent sensing and automatic control device for drainage flow of an underground pipe in a northeast black soil area. The intelligent sensing and automatic control device comprises a PE corrugated pipe, a soil entropy condition sensor, an underground pipe lifting device, an electric push rod, a lifting rod, a rope, a fixing column, a water collecting bucket, a water collecting tank, a flow dividing channel, an HCSR04 ultrasonic distance measuring instrument, an ESP32 development board, a photovoltaic panel and a control button. The concealed conduit lifting device is composed of an electric push rod, a lifting rod and a rope, and the output end of the electric push rod is fixedly connected with the lifting rod; the intelligent sensing and automatic control device for the drainage flow of the underground pipe in the northeast black soil area is designed and installed at the lowest-lying position of a farmland, the ditch edge or the periphery of a water collecting pool, the automatic dredging and regulating functions of underground pipe drainage can be achieved, and the automatic control device is suitable for different requirements for soil moisture of different crops in different growth periods. The device can dynamically adjust the drainage flow through soil moisture content, underground water level and concealed conduit drainage data collected in real time, and accurate regulation and control of soil moisture are achieved.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Label (Black Soil Golden Glitter)

1. Name of the product in this design: Label (Black Soil Gold Glitter). 2. Purpose of this design: This design is used for labeling packaging boxes. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: the front view. 5. This design is for a thin product; other views are omitted.
Owner:LIAONING ECONOMIC VOCATIONAL & TECH COLLEGE

Calculation method for structural obstacle factors and threshold values of lime concretion black soil

The invention relates to the technical field of soil quality evaluation and improvement, in particular to a shajiang black soil structural obstacle factor and threshold value calculation method, which comprises the following steps: firstly, screening 22 structural obstacle factors covering soil physicochemical and biological attributes, and constructing a combined weight by adopting an entropy weight method, a principal component analysis method and an average weight method; the method comprises the following steps: calculating the membership of each factor by combining ring-type, peak-type and S-type membership functions, obtaining a soil structural obstacle comprehensive index through an accumulation method, dividing obstacle grades, determining a threshold value of each factor by taking a gradient boosting regression tree as a core and combining T test and random forest verification, and finally constructing a minimum data set based on principal component analysis and clustering analysis; the problems that an existing method is one-sided in obstacle factor screening, high in weight determination subjectivity, single in threshold calculation method and difficult to popularize are solved.
Owner:INST OF SOIL & FERTILIZER ANHUI ACAD OF AGRI SCI

An analytical method for the correlation mechanism between the fertility recovery capacity of cultivated land and the ecological barrier in black soil region

This invention discloses an analytical method for the correlation mechanism between farmland fertility resilience and ecological barriers in black soil regions, relating to the field of agricultural non-point source pollution control technology. The method includes the following steps: S1: Establishing an evaluation index system for farmland fertility resilience; S2: Finding optimal parameters and establishing a candidate library of resilience measurement methods; S3: Screening out the optimal resilience measurement method using multiple methods; S4: Analyzing the evolution law and driving effects of farmland resilience in black soil regions using the optimal measurement method; S5: Correlating farmland resilience and ecological barriers across scales in black soil regions to analyze the interaction mechanism between farmland resilience and ecological barriers. This invention, employing the above-mentioned analytical method for the correlation mechanism between farmland fertility resilience and ecological barriers in black soil regions, significantly improves the scientific nature of weight allocation and the accuracy of model prediction; it accurately identifies driving factors and their interaction mechanisms, providing a theoretical basis and technical support for the sustainable management of farmland in black soil regions.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Black soil area humus rapid supply and microorganism activation furnace

The utility model relates to the technical field of humus in a black soil area, in particular to a rapid humus supply and microorganism activation furnace in the black soil area, which comprises a furnace body, the furnace body comprises an activation reaction furnace, a steam delivery pipe is arranged on the surface of the activation reaction furnace, and a steam generator is arranged at one end, far away from the activation reaction furnace, of the steam delivery pipe. Through connection of the mounting plate and the steam conveying pipe, the steam conveying pipe can be mounted on the surface of the mounting plate, the loosening and tightening rotating handle can be rotated to drive the loosening and tightening cam to rotate, the adjusting block can pull the connecting rod to move towards the loosening and tightening rotating handle end, the second clamping plate can move towards the first clamping block along with the connecting rod, and the first clamping block can move towards the second clamping plate; the first damping spring deforms along with the deformation, so that the steam conveying pipe is positioned and clamped, the elastic rotating handle is rotated to the original position, and the first damping spring is restored to drive the first clamping block and the second clamping plate to reset, so that the limitation on the steam conveying pipe is released, the steam conveying pipe is convenient to replace, and the effect of ensuring the steam conveying efficiency is achieved.
Owner:INNER MONGOLIA AUTONOMOUS REGION ACAD OF AGRI & ANIMAL HUSBANDRY SCI

A water and soil regulation method for a grid watershed in a black soil area based on freeze-thaw cycles

ActiveCN120338358BCharacterize the dynamic response processDynamically adjust configuration strategiesData processing applicationsRelational databasesSoil scienceWater source
The application discloses a kind of black soil area grid watershed water and soil regulation methods based on freeze-thaw cycle, comprising the following steps: S1: the configuration unit division of the to-be-configured watershed is carried out, the water supply-demand relationship between each configuration unit is determined, and a plurality of regional water and soil resource configuration grid units are generated, the spatial position between water and soil resource configuration grid units and the topological relationship of water and soil resource configuration grid units are confirmed;S2: typical soil sampling test is selected for the spatial position between water and soil resource configuration grid units grid, soil quality evaluation is carried out, and a typical soil database in black soil area is established;S3: a distributed hydrological model considering freeze-thaw cycle is constructed based on the typical soil database in black soil area, and calibration verification is carried out;The problem of considering the whole watershed multi-water source irrigation process from the perspective of gridding is solved.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Black soil area grid drainage basin water and soil regulation and control method based on freeze-thaw cycle

ActiveCN120338358AData processing applicationsRelational databasesWater supply and demandSoil science
The invention discloses a black soil area grid drainage basin water and soil regulation and control method based on freeze-thaw cycle, and the method comprises the following steps: S1, carrying out the allocation unit division of a to-be-allocated drainage basin, determining the water supply and demand relationship between allocation units, and generating a plurality of regional water and soil resource allocation grid units, determining spatial positions among the water and soil resource allocation grid units and a topological relation of the water and soil resource allocation grid units; s2, selecting typical soil in the black soil area for sampling tests according to spatial positions among grids of the water and soil resource allocation grid units, performing soil quality evaluation, and establishing a typical soil database in the black soil area; s3, constructing a regional distributed hydrological model considering freeze-thaw cycle based on the typical soil database of the black soil area, and performing calibration verification; the problem that the multi-water-source irrigation process of the whole drainage basin is considered from the perspective of rasterization is solved.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Method and system for constructing ecological safety pattern of black soil area in high-latitude cold region

The invention discloses a construction method and system for an ecological security pattern of a high-latitude cold region black soil area, and the method comprises the steps: recognizing a comprehensive ecological source land of the high-latitude cold region black soil area based on an InVEST model and landscape form spatial pattern analysis; constructing a multi-dimensional resistance surface based on the identified comprehensive ecological source land; based on the constructed resistance surface, extracting an ecological corridor; the extracted ecological corridor is optimized, and construction of the ecological safety pattern of the black soil area in the cold region is completed. According to the method, factors such as seasonal change, natural resistance factors and ecological corridor width optimization are comprehensively considered, a solution which is more flexible and high in adaptability is provided, and the stability and sustainability of the ecological safety pattern of the black soil area in the high-latitude cold region can be effectively improved.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Black soil fertility evaluation method and system combined with microbial community detection

The invention discloses a black soil fertility assessment method and system combined with microbial community detection, and relates to the technical field of soil fertility assessment, the method comprises the following steps: collecting soil basic physical and chemical property indexes of black soil, and outputting a first fertility assessment result; collecting microflora monitoring data of black soil, and outputting a second fertility evaluation result; respectively performing direct influence evaluation and indirect influence evaluation according to a preset planting scheme, and configuring a first weight and a second weight; and performing weighted fusion on the first fertility evaluation result and the second fertility evaluation result according to the first weight and the second weight, and outputting a final black soil fertility evaluation result. The technical problem that an existing black soil fertility assessment method only depends on soil basic physical and chemical property indexes, and consequently assessment results cannot comprehensively and accurately reflect complex characteristics and comprehensive fertility conditions of a black soil ecosystem is solved.
Owner:HEILONGJIANG BLACK SOIL PROTECTION & UTILIZATION RESEARCH INSTITUTE (HEILONGJIANG ACADEMY OF AGRICULTURAL SCIENCES INSTITUTE OF RURAL ENERGY & ENVIRONMENTAL PROTECTION RESEARCH INSTITUTE OF AGRICULTURAL SCIENCES) +1

Black soil erosion gully generation and development experiment simulation equipment

The invention discloses black soil erosion gully generation and development experiment simulation equipment, and relates to the technical field of experiment simulation. The black soil erosion gully generation and development experiment simulation equipment comprises a storage tank, a black soil simulation mechanism and a protection mechanism, the black soil simulation mechanism comprises supporting legs and a supporting plate, a fence frame is fixedly installed at the edge of the top of the supporting plate, and a supporting elastic piece is fixedly installed between the bottom of the supporting plate and the inner side face of the storage tank; the protection mechanism comprises an air cylinder and a bent plate, the air cylinder is mounted at the top of the rack, the bent plate is hinged to the telescopic end of the air cylinder, a tip main rod is fixedly mounted at the bottom of the bent plate, and the tip main rod is hinged to the top of the top of the rack. And a bent auxiliary rod is fixedly mounted on the outer circular surface of the tip main rod and is close to the bottom, so that the aim of erosion under multiple conditions is fulfilled, the erosion under multiple conditions can be realized, integration is realized, and the erosion gully can be conveniently observed and analyzed.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S

Machine for intensively deeply burying straw and returning straw to field in black soil area of northeast China

The utility model belongs to the technical field of straw returning machines and tools, and particularly relates to a concentrated deep-burying straw returning machine and tool for black soil areas in northeast China, which comprises a machine frame and a vehicle body, the machine frame is provided with a picking device, a smashing device, a soil covering wheel and a soil smashing press wheel, and the smashing device comprises a smashing cavity and a smashing cutter set located in the smashing cavity. A smashing cavity is formed in the rack, a discharging pipe is arranged at the output end of the smashing cavity, a ditching injection device is further arranged below the rack and comprises a deep scarification handle and a bionic sleeve, the deep scarification handle is located in front of the bionic sleeve, the deep scarification handle is fixedly connected with the bionic sleeve and the rack, the bionic sleeve stretches into a ditch formed by the deep scarification handle, and the bionic sleeve is fixedly connected with the rack. And a blanking chamber is formed in a sleeve cavity of the bionic sleeve and is connected with the crushing chamber by virtue of a blanking pipe. According to the utility model, the bionic sleeve is utilized to play a supporting role, so that the formed ditch is prevented from rebounding, straws can fall into the deep part of the ditch to form deep burying, and a better soil fertility increasing role is played.
Owner:HEBEI AGRI MECHANIZATION INST CO LTD +1

Packaging bag (black mother Ningxia wolfberry)

ActiveCN309545911SBiotechnologyEngineering
1. The name of the design product: packaging bag (black soil mother Ningxia wolfberry). 2. The use of the design product: for food packaging. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view. 5. The design for which protection is sought contains colors. 6. The design content in the top view of the design product has been embodied in the perspective view, front view and rear view, and the top view is omitted; the left view is the same as the right view, and the left view is omitted.
Owner:BEIJING AEROSPACE LANGQIN TECHNOLOGY CO LTD

A simulation device for the generation and development of black soil erosion gullies

The invention discloses a simulation device for the generation and development of black soil erosion gullies, and the invention relates to the field of experimental simulation technology. The simulation device for the generation and development of black soil erosion gullies comprises a storage tank, a black soil simulation mechanism, and a protective mechanism. The black soil simulation mechanism comprises a support leg and a support plate. A retaining frame is fixedly installed at the edge of the top of the support plate. A support spring is fixedly installed between the bottom of the support plate and the inner side surface of the storage tank. A sliding sleeve is fixedly installed at the edge of the outer side of the support plate and at one end away from the support leg. A guide rod is slidably installed at the center of the sliding sleeve. The protective mechanism comprises a cylinder and a bending plate. The cylinder is installed at the top of the frame. The bending plate is hingedly installed at the telescopic end of the cylinder. A tip main rod is fixedly installed at the bottom of the bending plate. A bending auxiliary rod is fixedly installed on the outer cylindrical surface of the tip main rod and near the bottom position, so as to achieve the purpose of erosion in various situations, can erode in various situations, realize integration, and facilitate observation and analysis of erosion gullies.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S

Black soil area cultivated land fertility characteristic diagnosis and evolution attribution analysis method

The invention discloses a black soil area cultivated land fertility characteristic diagnosis and evolution attribution analysis method, and relates to the field of black land protection and remediation, and the method comprises the following steps: determining a cultivated land fertility evaluation index system through a soil moisture tachymeter and a remote sensing interpretation technology based on a cultivated land fertility related standard; according to the screening principle of the evaluation indexes, establishing an index primary selection library of the cultivated land fertility; calculating the importance of the index i through principal component analysis; the correlation balance of the index i is calculated through the distance correlation coefficient and the Gini coefficient; calculating the independence of the index i through the maximum mutual information coefficient; sorting the indexes i through an evaluation index system optimization model of the DS evidence theory, and optimizing the indexes i in combination with an index system; a cultivated land force evolution power mechanism is revealed through a factor detection module and an interaction detection module of the geographical detector; through a technical path of multi-source data fusion, multi-dimensional index optimization and spatial analysis, scientific diagnosis and dynamic attribution analysis of cultivated land fertility are realized.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Method for changing stone desertification land into black land by using solid waste coal gangue phosphogypsum

ActiveCN117716829BSolve the problem of low resource recycling rateavoid instabilitySoil-working methodsLivestock manurePlant roots
Based on the mineralization conditions and mineral composition of coal gangue, and the characteristics of phosphogypsum mineral crystals and the adsorption of mineral components onto gypsum crystals, mechanical separation and impurity removal technology is used to separate coal gangue into material A, which is rich in carbon fragments, and material B, which is rich in humus and contains a large number of mineral trace elements. Material A is used for resource utilization in cement plants, thermal power plants, or flotation plants. Material B, which is naturally rich in humus and contains a large number of mineral trace elements, is transformed into artificial mature black soil through water retention and air permeability modification, microbial modification with poultry and livestock manure, and continuous activation modification with earthworms and plant roots. Modified phosphogypsum and shale gangue that expands to form clay are used to make greenable concrete base layers and black soil layers, effectively transforming rocky desertification soil into high-quality black soil and continuously enhancing soil fertility.
Owner:CHANGSHA ZICHEN TECH DEV CO LTD

Ecological benefit evaluation method for black soil area erosion gully engineering management

The invention relates to the technical field of ecological benefit evaluation, in particular to a black soil area erosion gully engineering management ecological benefit evaluation method, which comprises the steps of research area and research method, result and analysis, discussion and conclusion. The research region and the research method comprise region research, data collection and measurement and statistical analysis, and the data collection and measurement comprise soil sampling, vegetation investigation, soil chemical indexes and meteorological and topographic indexes. The statistical analysis comprises ecological function evaluation index system construction and a cold region black soil erosion gully treatment ecological function evaluation model. The black soil area erosion gully engineering ecological management method provides a scientific monitoring tool and an effect evaluation standard for erosion gully management. According to the suggestions in future treatment projects, the soil structure is emphatically optimized, and the result is improved; the aggregate content is 0.6 mm; synergistic management of organic matters and nitrogen and phosphorus nutrients is enhanced; and implementing a differentiated and predictive management and protection strategy.
Owner:HEILONGJIANG PROVINCIAL HYDRAULIC RES INST

Multi-dimensional monitoring system and method for black soil erosion gully development process

The invention discloses a black soil erosion gully development process multi-dimensional monitoring system and method. The system covers a multi-parameter comprehensive monitoring module, and collects data from multiple aspects of soil, terrain, chemical characteristics and biological ecology; the intelligent data acquisition and transmission module is connected with the data processing center through edge computing and a wireless transmission network; the multi-source data fusion and analysis module is used for fusing and analyzing data and predicting a trend; the dynamic visual early warning module is used for visually displaying a result and performing early warning; the green energy self-powered module is powered by solar energy and wind energy; the modular installation and adaptation system is convenient for installation in different terrains. The method comprises the steps of intelligent layout and initialization, multi-source data acquisition and edge calculation, multi-dimensional analysis and trend prediction, intelligent visualization and decision support, continuous optimization and feedback and the like. The black soil erosion gully development can be comprehensively and accurately monitored, and powerful support is provided for black soil erosion gully treatment and black soil resource protection.
Owner:HEILONGJIANG PROVINCIAL HYDRAULIC RES INST