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37 results about "Rocky desertification" patented technology

Artificial rainwater collection irrigation method for broken hillside cultivated land in stony desertification area

An artificial rainwater collection irrigation method for broken hillside cultivated land in a stony desertification area comprises the steps that data such as broken bed rock surface trend and cultivated land distribution are measured in the field; calculating some important parameters by analyzing multi-year meteorological data: the mode of the number of rainwater collection cycles every year, the mode of rainfall in a rainfall period, the mode of illumination duration in an illumination period and the mode of single rainfall intensity; an artificial rainwater collecting surface is arranged, the material, the structure and the angle of the artificial rainwater collecting surface all have certain particularity, a confluence system is constructed, a low-position water collecting pool and a high-position water storage pool form an irrigation system, and the rainwater collecting area, the inner diameter of a confluence pipe, the storage battery capacitance, the photovoltaic panel area and the water pump power are calculated based on the important parameters; rainwater is collected in the main rainfall period in one year, and irrigation is conducted in the dry season. The system is particularly suitable for irrigation of broken hillside cultivated land in a stony desertification area with poor lithiasis ditch integrity, and irrigation requirements, a water collecting surface, a confluence path, a water collecting pool, a water storage tank and light energy can be integrally matched.
Owner:GUIZHOU NORMAL UNIVERSITY

Land stony desertification ecological risk evaluation method based on multi-source aerospace data

The invention discloses a land stony desertification ecological risk evaluation method based on multi-source aerospace data, and relates to the technical field of ecological risk evaluation. Comprising the following steps of multi-source air and space data acquisition and space-time collaborative registration, multi-dimensional ecological environment factor dynamic extraction, stony desertification ecological risk three-dimensional index system construction, multi-source weight fusion and dynamic risk evaluation, space-time dynamic early warning and risk transfer simulation and differential ecological management adaptive optimization. The method can provide high-precision and multi-dimensional space-time consistent basic data for risk evaluation through multi-source space-time collaborative registration of space-time data and integration of remote sensing, meteorological and ground monitoring data, breaks through the limitation of single-dimensional evaluation through construction of a three-dimensional index system, can systematically reveal risk causes, and improves the risk evaluation efficiency. And subjective and objective combination weighting balances expert experience and data laws, so that the crossing from static evaluation to dynamic early warning is realized, and finally, optimization measures are treated and optimized in a differentiated manner through spatial layout and benefit cost optimization.
Owner:河南省地质研究院

Method for estimating soil loss amount in karst region

The invention discloses a method for estimating the soil loss amount in a karst region, and the method comprises the steps: determining a negative exponential function relation between a rock exposure rate and the soil loss amount based on field in-situ observation; according to the negative exponential function relation, stony desertification factors used for quantifying the inhibition effect of rock exposure on soil erosion are constructed; introducing the stony desertification factor as a multiplicative factor into an RUSLE model, and establishing an RUSLE-D model; and obtaining each RUSLE factor data and rock exposure rate data of the target area, inputting the RUSLE-D model, and calculating the soil erosion amount of the target area. According to the invention, the accuracy and practicability of model estimation and prediction are improved.
Owner:GUIZHOU NORMAL UNIVERSITY

Device and method for researching moisture permeation rate of in-situ rock-soil interface in stony desertification area

The invention relates to the technical field of rocky desertification area hydrological process monitoring and soil moisture migration research, and discloses a device and a method for researching the moisture permeation rate of an in-situ rock-soil interface in a rocky desertification area, a water inlet device comprises a water tank, a rotor flow meter and a connecting pipeline, and the water tank is arranged at a position higher than the rotor flow meter; the water outlet device comprises a water inlet, an internal flow stabilizing cavity and a plurality of small water outlet holes uniformly distributed in the length direction, the water inlet is formed in the lower portion of the flow stabilizing cavity and connected with the connecting pipeline, and the small water outlet holes are formed in the upper portion of the flow stabilizing cavity; the bracket is used for fixing the water outlet device at the upper part of the exposed rock surface, so that the small water outlet holes are distributed close to the rock surface; the controllable rock surface flow is stably generated under the complex rock-soil interface condition, a reliable technical platform is provided for in-situ moisture permeation rate measurement, and the technical bottlenecks that an existing device cannot simulate rock surface flow concentration and is difficult to adapt to a heterogeneous interface are overcome.
Owner:GUIZHOU UNIV

A real-time ecological monitoring system for a rocky desertification photovoltaic area based on multi-source sensor fusion

The application discloses a kind of real-time ecological monitoring systems of rocky desertification photovoltaic area based on multi-source sensing fusion, including support module, power generation module, weather sensing module, soil monitoring module and wireless communication module, power generation module and weather sensing module are installed on support module, soil monitoring module is installed on the side of support module, wireless communication module is set in the top of support module, wireless communication module is coupled with weather sensing module and soil monitoring module, and wireless communication module is connected with cloud server through wireless network, and the controller of terminal equipment is connected with cloud server through wireless network.The application can ensure the long-term stable installation of monitoring equipment in harsh environment through the synergistic effect of the four-pyramid structure at the bottom of the fixed pile, the side fixed anchor and the locking agent bottle;The application realizes labor-saving operation through worm gear transmission and slidable handle design, greatly reduces the construction difficulty in complex terrain, and improves the efficiency and adaptability of system deployment.
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD

Nursery stock cultivation device and method for stony desertification treatment

The invention relates to the technical field of stony desertification treatment equipment, in particular to a seedling cultivation device and method for stony desertification treatment, and the seedling cultivation device comprises a cultivation vehicle body and a cultivation pipe, the cultivation vehicle body is provided with a nutrient solution feeding mechanism, and the nutrient solution feeding mechanism comprises a nutrient solution box body and a liquid guide pipe; after the cultivation vehicle body moves, the liquid guide pipe corresponds to an upper port of the cultivation pipe, and the cultivation pipe is fixedly arranged on one side of the nursery stock; a sealing plate is rotationally arranged at the upper end opening of the cultivation pipe, and a permeation water absorption cotton ball is arranged in the cultivation pipe and connected with a permeation piece through a cotton thread. The cultivation pipe is buried on one side of the nursery stock, a water source and a nutrient solution are carried through the cultivation vehicle body, the irrigation efficiency is improved while labor force is reduced, the survival rate of the nursery stock can be improved as long as water is supplemented into the cultivation pipe regularly, evaporation of water and the nutrient solution can be reduced through the pre-buried cultivation pipe under the action of a sealing plate, and the survival rate of the nursery stock is increased. The survival rate of the seedlings is further improved.
Owner:INSTITUTE OF ECOLOGICAL PROTECTION & RESTORATION CHINESE ACADEMY OF FORESTRY SCIENCE

Photovoltaic vegetation light supplementing and sprinkling irrigation control system for stony desertification mountainous region

The invention discloses a photovoltaic vegetation light-supplementing sprinkling irrigation control system for a stony desertification mountain land, and relates to the technical field of agricultural Internet of Things and ecological environment regulation and control. According to the system, vegetation units under a photovoltaic array are finely divided, and an underground root system imaging technology and multi-dimensional root system structure analysis are combined; precise measurement of key parameters such as the horizontal extension length of the sea-buckthorn vegetation root system, the rhizosphere connectivity, the complexity of a fine root net structure, the capillary water effect and the like is achieved, and the transpiration potential and the water supply condition of the vegetation are comprehensively reflected. The first priority regulation and control area and the second priority regulation and control area are scientifically identified by constructing the transpiration cooperation index and combining the local air humidity, the soil temperature and the photovoltaic shielding intensity which are collected in real time, it is ensured that light supplementing spray irrigation regulation and control are accurately focused on the area with the high transpiration capacity and obvious water stress, and the water resource utilization efficiency and the light supplementing effect are greatly improved. Meanwhile, by dynamically matching the sprinkling irrigation time period and the photovoltaic shielding intensity, collaborative optimization of sprinkling irrigation and light supplement is achieved.
Owner:SOUTHWEST FORESTRY UNIVERSITY

A rocky desertification rapid identification method and system

The application discloses a rocky desertification rapid identification method and system, and the method comprises the following steps: inputting a ground surface image into a lightweight semantic segmentation model, and outputting bare rock area pixels, vegetation area pixels and other area pixels from the lightweight semantic segmentation model; determining a base rock exposure rate and a vegetation coverage degree according to the bare rock area pixels, the vegetation area pixels and the other area pixels; determining an interference intensity grade according to selection information; inputting a soil layer thickness measurement value, slope data, the base rock exposure rate, the vegetation coverage degree and the interference intensity grade into a multi-factor comprehensive evaluation model to calculate a rocky desertification comprehensive index; and calculating a rocky desertification grade according to a preset grade determination threshold and the rocky desertification comprehensive index, and displaying a calculation result. The application solves the problem that a single index cannot comprehensively reflect the rocky desertification degree, and unifies different factors into a comprehensive index, so that the evaluation result is scientific, the work efficiency of ground investigation is improved, and the work intensity of workers is reduced.
Owner:CHINA GEOLOGICAL SURVEY CHANGSHA NATURAL RESOURCES COMPREHENSIVE SURVEY CENT

Broad-spectrum growth promoting microbial agent combination, bio- agent for tung tree and tea-oil tree and application thereof

The application discloses a broad-spectrum growth promoting bacterial agent combination for oil camellia and oil tea, a biological preparation and application thereof, and relates to the field of microbial technology.The endophytic bacteria are separated from healthy oil camellia plants, the abilities of the strains in dissolving phosphorus, fixing nitrogen, producing IAA, producing iron carrier and antagonizing the pathogenic bacteria of oil tea anthracnose are determined, the onion Burkholderia and Aspergillus niger with excellent comprehensive growth promoting functions are screened to prepare a combined bacterial agent, and the combined bacterial agent is verified to have a significant growth promoting effect on the oil camellia and the oil tea through a potting experiment.The combined bacterial agent promotes the growth, nutrient absorption and root development of the oil tea, significantly improves the enzyme activities related to the carbon, phosphorus and nitrogen cycles of the soil, and realizes the overall optimization of the "plant-soil" system.The application finds a broad-spectrum mixed bacterial agent suitable for the artificial planting of the oil camellia and the oil tea in a rocky desertification area, effectively improves the adaptability of the plants in the rocky desertification habitat, and provides a new microbial technical approach for the collaborative repair of multiple tree species in the area.
Owner:CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY

Stony desertification monitoring system based on data analysis

The invention discloses a stony desertification monitoring system based on data analysis, and relates to the technical field of monitoring data processing, the system firstly uses a high resolution DEM and a remote sensing image to carry out regular grid division on a monitoring area, constructs the rock exposure rate of each monitoring unit and determines a potential stony desertification expansion area; through a spatial feature analysis module, GPS positioning and astronomical epoch calculation are combined, the solar declination, the hour angle, the elevation angle and the azimuth angle are calculated according to the time step length, the grid self-shading state is determined, and the rock shadow index is constructed. And the micro-terrain regulation and control analysis module is used for calculating a surface regulation and control coefficient based on local elevation fitting, residual elevation, gradient and stagnant water capacity, and carrying out dual-condition judgment on the initial stage of potential stony desertification. The hydrological effect prediction module collects the soil moisture content, evaporation, runoff and condensation amount in real time, calculates the soil moisture fracture index, generates a grading strategy according to the risk grade, and achieves rainwater retention, soil permeation and surface runoff optimization.
Owner:SOUTHWEST FORESTRY UNIVERSITY

A forest desertification treatment method

ActiveCN118451998BGeneral water supply conservationSelf-acting watering devicesStone wallRocky desertification
The application relates to the technical field of environmental protection, in particular to a forest desertification treatment method, which comprises the following steps: firstly, preparing a planting layer; then, transporting the planting layer to a desertification area; then, filling nutrient soil in the planting layer; then, planting plants in the nutrient soil; then, laying the planting layer on the surface of a stone wall; then, fixing the planting layer; then, watering the surface of the planting layer; and finally, spraying sticky mud on the surface of the planting layer. The planting layer is laid and fixed on the surface of the stone wall, and plants are planted in planting cavities in the planting layer, so that the influence of the slope gradient of the stone wall on the planting of the plants can be ignored, green plants can be effectively covered on steep stone walls, especially on huge stone blocks forming cliffs in mountain forests, and the desertification treatment effect of the mountain forests is improved.
Owner:HUNAN NITA CONSTR DEV CO LTD

Treatment method for vegetation-soil-microorganism synergistic remediation of stony desertification slope

The invention discloses a vegetation-soil-microorganism synergistic remediation treatment method for a stony desertification slope, and relates to the technical field of soil remediation, and the method comprises the following steps: S1, precise evaluation of site conditions: uniformly arranging 10m * 10m quadrats on a target slope by adopting a GPS positioning and field sampling combined method, and measuring the slope, rock exposure rate, soil thickness and soil organic matter content (SOM); s2, vegetation three-dimensional configuration and field planting: selecting local stress-tolerant species, and constructing a three-dimensional community according to a plant / cluster number ratio of (2-4): (2-4): (3-5); according to the method, vegetation-soil-microorganisms are regarded as an organic whole, a synergistic mutual promotion mechanism of the vegetation, the soil and the microorganisms is systematically constructed, the vegetation fixes a carbon source through photosynthesis, root exudates nourish the microorganisms, the soil provides a physical carrier and a basic environment for the vegetation and the microorganisms, and the microorganisms supply energy to the vegetation through nutrient conversion; and a forward circulation of vegetation soil fixation, soil bacterium cultivation and microbe vegetation promotion is formed.
Owner:ENSHI TUJIA & MIAO AUTONOMOUS PREFECTURE FORESTRY SCI RES INST (ENSHI TUJIA & MIAO AUTONOMOUS PREFECTURE FORESTRY SCI & TECH PROMOTION STATION)

Grassland desertification classification method and related device in alpine cold region

This application discloses a method and related apparatus for classifying rocky desertification in alpine grasslands, relating to the field of ecological environment monitoring and remote sensing assessment technology. The method includes: dividing a target area into multiple target sub-regions; obtaining the values ​​of influence factors for each target sub-region; processing the values ​​of each influence factor in each target sub-region to obtain the final value of each influence factor; performing a weighted summation of the final values ​​of each influence factor in each target sub-region to obtain a rocky desertification degree index for the target sub-region; and determining the rocky desertification level of the target sub-region based on the rocky desertification degree index. This application achieves high-precision and refined identification of the degree of rocky desertification in alpine grasslands, enhancing the scientific rigor and accuracy of rocky desertification classification in alpine grasslands.
Owner:NORTHWEST INST OF PLATEAU BIOLOGY CHINESE ACAD OF SCI +1

Seedling raising and moisturizing device for forest and grass vegetation in stony desertification photovoltaic field area

The invention discloses a stony desertification photovoltaic field forest grass vegetation seedling raising and moisturizing device, and relates to the technical field of stony desertification area ecological restoration and photovoltaic industry collaborative development, the stony desertification photovoltaic field forest grass vegetation seedling raising and moisturizing device comprises a photovoltaic module, and the photovoltaic module comprises a photovoltaic panel and an aluminum alloy frame fixed on the edge of the photovoltaic panel; the rainwater collecting and processing mechanism is used for collecting rainwater and using the rainwater as a water source for forest grass vegetation seedling raising and moisture preservation, meanwhile, dust on the photovoltaic assembly is cleaned in an auxiliary mode, and the rainwater collecting and processing mechanism is installed on the photovoltaic assembly and comprises a rainwater collecting assembly set and a cleaning assembly set which are connected with each other. The rainwater collection and treatment mechanism is arranged and used in cooperation with the photovoltaic assembly, a closed-loop system of rainwater collection, moisture preservation, cleaning and power generation is formed, clean energy production is achieved, forest grass vegetation growth is promoted through efficient moisture preservation, the ecological environment of the stony desertification area is improved, and collaborative development of the photovoltaic industry and ecological restoration is truly achieved.
Owner:YUNNAN ACAD OF FORESTRY +1

Sandy soil modifier as well as preparation method and application thereof

The invention relates to the field of sandy soil improvement, in particular to a sandy soil improver which comprises the following raw materials in parts by mass: 1 part of nano clay, 5-10 parts of a plant polymer adhesive, 5-15 parts of soluble plant hemicellulose and 5-15 parts of charcoal. Comprising the following steps: adding sodium polycarboxylate into nano-clay according to 0.1-0.5% of the nano-clay, and mixing; the amylopectin is prepared by crushing glutinous rice or extracting from glutinous rice or corn starch, adding rice bran powder into the amylopectin according to 10-20% of the amylopectin, and mixing; the glucomannan is extracted from the konjak; the straw or the rice husk is pyrolyzed in a high-temperature oxygen-deficient closed container to prepare the biochar. The sandy soil improver and sandy soil or sand are applied to ecological restoration of the following application scenes according to the proportion of 1: 10000: tailing pond ecological restoration, ecological restoration after sand making of mine solid waste, desert gobi ecological restoration and stony desertification ecological restoration. By adopting the technical scheme, the physical characteristics of the sandy soil or the sand can be optimized, and the moisture and fertilizer retention and maintenance capabilities of the sandy soil or the sand are improved.
Owner:佘书成

A soilless spray-and-seed substrate and its use

PendingCN122349947ARevegetationSoil science
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.
Owner:CHINA ENERGY ENG GRP GUANGXI ELECTRIC POWER DESIGN INST

Intelligent bionic robot for stony desertification control

The utility model discloses an intelligent bionic robot for stony desertification prevention and control, which belongs to the field of bionic machines and artificial intelligence, and comprises a flying part and a walking part, the flying part is arranged above the walking part, the flying part comprises a middle main body, wings are arranged at four corners of the middle main body, and a solar panel is arranged on the top surface of the middle main body. An infrared camera is arranged on the side surface of the middle main body; the walking part comprises a shell, the left side and the right side of the shell are each provided with a set of bionic feet, the number of each set of bionic feet is four, and airborne equipment and a power source are arranged in the shell. According to the utility model, ground and air monitoring is considered at the same time, an air-ground sensing system is constructed, real-time monitoring is carried out on stony desertification frequently-occurring areas, according to local soil, weather conditions, plant growth vigor and other external environment factors, possible ecological disasters are predicted, reference prevention and treatment suggestions are provided through data analysis, and the system is suitable for popularization and application. The effect of assisting in improving the ecological environment is achieved, and the stony desertification prevention efficiency is improved.
Owner:GUIZHOU UNIV

Photovoltaic water resource collection and irrigation system for stony desertification mountainous area and operation method of photovoltaic water resource collection and irrigation system

The invention discloses a photovoltaic water resource collection and irrigation system for a stony desertification mountainous area and an operation method of the photovoltaic water resource collection and irrigation system, and belongs to the technical field of photovoltaic power generation and ecological restoration. The system comprises a photovoltaic array, a rainwater collection subsystem, a light abandoning and water lifting subsystem and a vegetation drip irrigation subsystem, the photovoltaic array is arranged on the slope surface of a side slope, a high-level pool is arranged at the slope top of the side slope, the rainwater collection subsystem is used for collecting and storing rainwater on a photovoltaic panel in the photovoltaic array, and the vegetation drip irrigation subsystem is used for collecting and storing the rainwater on the photovoltaic panel in the photovoltaic array. The light abandoning and water lifting subsystem is used for lifting the rainwater stored by the rainwater collecting subsystem to a high-level water tank in the light abandoning period of the photovoltaic array, and the vegetation drip irrigation subsystem is used for performing drip irrigation on vegetation below the photovoltaic panels and between the photovoltaic panels. Rainwater on the photovoltaic panel is collected and stored through the rainwater collection subsystem; the rainwater stored in the rainwater collection subsystem is lifted to a high-level water tank through the light abandoning and water lifting subsystem in the light abandoning period; and carrying out drip irrigation on vegetation below the photovoltaic panels and between the photovoltaic panels through the vegetation drip irrigation subsystem.
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD

Stony desertification area water storage optimization method based on karst fissure modeling

The invention discloses a rocky desertification area water storage optimization method based on karst fissure modeling, and relates to the technical field of geological hydrological optimization, and the method comprises the steps: collecting macrotopographic information, micro-pore information and hydrological time series data of karst fissures, and carrying out the standardization processing, and generating a complete data set; performing multi-scale data fusion on the complete data set, and constructing a karst fissure three-dimensional digital model through COMSOL; fracture parameters are extracted from the karst fissure three-dimensional digital model and combined with hydrological time series data, and meanwhile, a TensorFlow deep learning framework is adopted to build a dynamic prediction model. According to the method, deep coupling of physical simulation and machine learning based on three-dimensional modeling is realized, and the prediction accuracy and the reliability of engineering application are improved.
Owner:贵州省地质矿产勘查开发局一〇一地质大队

Karst region soil thickness mapping method based on stacked integrated model

The invention discloses a karst region soil thickness mapping method based on a stacked integrated model, and relates to the technical field of soil mapping, and the method comprises the following steps: taking climate, terrain and stony desertification elements as spatial information; obtaining optical remote sensing images of the research area in recent ten years, processing the remote sensing images to obtain vegetation, soil and stony desertification indexes, and generating various topographic factors through topographic software; performing correlation analysis on environment covariables to eliminate multiple collinearity, converting qualitative variables and unifying resolution; dividing the data into two groups containing and not containing stony desertification information, and eliminating and screening an optimal variable by using six models through recursive features; taking the six models as base models, and taking prediction results as input to construct three meta-models to realize stacking integration; and finally, soil thickness prediction mapping is completed, and the uncertainty is predicted through quantile regression quantification. According to the method, the stacked integrated model and stony desertification information are combined, and the precision and resolution of soil thickness prediction are improved.
Owner:GUIZHOU UNIV

A seed complex, its preparation method and application

This invention relates to the field of ecological protection technology, specifically to a seed composite, its preparation method, and its application. The invention provides a seed composite comprising, from the inside out, a core layer, a middle framework layer, and an outer water-retaining layer; the core layer is a stress-resistant seed; the middle framework layer is an organic-inorganic porous sludge material coating the core layer; and the outer water-retaining layer is a water-supplying sludge-based hydrogel coating the middle framework layer. The seed composite provided by this invention can not only effectively enhance the environmental stress resistance of plant seeds and ensure the survival rate of plants under harsh environmental conditions such as rocky desertification, but also compensate for problems such as insufficient water and nutrient supply, inadequate water and fertilizer retention capacity, and poor stability in rocky desertification soils, achieving the goals of windbreak and sand fixation, and soil improvement.
Owner:CHINA THREE GORGES CORPORATION

Photovoltaic ecological benefit evaluation method for stony desertification mountainous area

A stony desertification mountainous area photovoltaic ecological benefit evaluation method comprises the steps of obtaining influence elements, constructing a layered evaluation index system, and marking index attributes; the layered evaluation index system comprises a target layer A, a criterion layer B and an index layer C; constructing a judgment matrix, and calculating a weight value Wi and a maximum characteristic value lambda max of a corresponding layer element of each judgment matrix and a combined weight Wj of all elements relative to the target layer A; obtaining original data of all indexes, performing standardization processing, converting the original data into a dimensionless numerical value X'ij in an interval of 0-1, and calculating a comprehensive score Sj and a comprehensive index EI of all the indexes in combination with the combined weight Wj; and according to the comprehensive index EI, performing grade evaluation on the photovoltaic ecological benefits of the stony desertification mountainous area, identifying weak links, and performing accurate regulation and control and targeted treatment. The method is suitable for evaluating the ecological benefits of the photovoltaic project in the stony desertification mountainous area, the evaluation indexes are comprehensive, the mechanism is clear, the targeted treatment can be realized, and the high-quality construction of the photovoltaic project in the stony desertification mountainous area is powerfully promoted.
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD

Traditional Chinese medicinal material planting method for improving utilization rate of under-forest stone joint space in karst area

The invention relates to the technical field of plant cultivation, in particular to a traditional Chinese medicinal material planting method for improving the utilization rate of a karst area under-forest stone joint space, traditional Chinese medicinal materials are polygonatum cyrtonema and corydalis saxicola bunting, and the planting method comprises the steps of (1) forest land selection; (2) growing seedlings of traditional Chinese medicinal materials; (3) field planting of traditional Chinese medicinal materials; (4) topdressing and weeding; and (5) harvesting the medicinal materials. Growth habits of various species are utilized, under-forest resources in the karst area are reasonably allocated, under-forest land resources which are not utilized for a long time, especially stone joint space resources are fully utilized, reasonable development is carried out on the basis of not damaging the ecological environment and not occupying much cultivated land, the income of farmers is increased, and the cultivation method is simple, easy to popularize and suitable for industrial production. The method has a very positive effect on rocky desertification restoration of the karst area, protection of precious medicinal plants and country revitalization.
Owner:GUANGXI INST OF BOTANY THE CHINESE ACAD OF SCI

Comprehensive investigation and cause mechanism analysis method for ecological geological conditions in medium-high mountain and rocky desertification area

The invention discloses a comprehensive investigation and cause mechanism analysis method for ecological geological conditions in a medium-high mountain stony desertification area, and belongs to the technical field of ecological environment monitoring. Comprising the following steps: fusing multi-source remote sensing with historical geology, soil and climate data, and constructing a regional ecological geology factor data set; space clustering and terrain analysis are adopted to optimize sample plot layout, and multi-dimensional ecological geological parameters such as lithology, soil and vegetation are collected on site; quantifying human activity intensity by combining multi-temporal remote sensing and social economic data, and establishing a human activity-ecological disturbance-geological response dynamic model; comprehensively decomposing the quantitative contribution and interaction of each dynamic factor by utilizing geostatistics, geographically weighted regression and a structural equation model, and judging the stony desertification cause; and based on a GIS platform, reconstructing a stony desertification space-time expansion process, concluding main control factors and forming a discrimination index and a prediction model. The method can scientifically reveal a master control mechanism of medium-high mountain stony desertification, and provides a scientific basis for ecological management and risk early warning of a stony desertification area.
Owner:KUNMING COMPREHENSIVE NATURAL RESOURCES SURVEY CENT OF CHINA GEOLOGICAL SURVEY

Rolling type soil breaker for nursery stock planting for stony desertification control

The utility model relates to the technical field of soil breakers, in particular to a rolling type soil breaker for seedling planting for stony desertification control, which comprises a mounting frame, the inner side of the mounting frame is rotatably connected with a soil breaker, one side of the mounting frame is provided with a smashing mechanism, and the smashing mechanism comprises a plurality of cutters for smashing. A cleaning mechanism is arranged at the top of the smashing mechanism, a smashing shell, a rotating column, a cutting knife, a motor box, a motor, a discharging groove, a feeding groove and other parts are arranged, ground breaking is conducted on the ground through a soil breaker, large soil blocks enter the smashing shell through the feeding groove, then the motor is started to drive the rotating column to rotate, and therefore the soil blocks can be smashed. The multiple cutters are linked to strike the entered large soil, and after the soil is smashed, the smashed soil is discharged from the discharging groove, so that the soil is fully smashed, and the soil breaking efficiency and the soil breaking quality are effectively improved.
Owner:SHUFU COUNTY LUYUN ZHENPIN AGRICULTURAL & LIVESTOCK PRODUCTS FARMERS PROFESSIONAL COOP

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

Nano-modified ardealite-based artificial soil and preparation method thereof

The invention relates to the technical field of solid waste resource utilization and ecological restoration materials, in particular to nano-modified ardealite-based artificial soil and a preparation method thereof. The artificial soil comprises pretreated phosphogypsum, a nano modified material, an organic matter, an inorganic fertilizer, a binder and a microbial agent. The preparation method comprises the following steps: carrying out water washing, neutralization and calcination pretreatment on phosphogypsum; performing ultrasonic dispersion on a nano material to prepare slurry; uniformly mixing all the components; uniformly spraying the compound microbial agent diluent into the basic mixture for inoculation; and aging, decomposing and maintaining to obtain the product. Harmful impurities in the ardealite are effectively fixed through nano-modification, the structure and functionality of the ardealite are remarkably improved, harm of the ardealite is turned into benefit, and the prepared artificial soil is safe in environment, excellent in granular structure, capable of preserving moisture and fertility and capable of effectively promoting plant growth and improving the yield of plants. The method is especially suitable for reclamation, vegetation recovery and ecological reconstruction of difficult-to-use lands such as abandoned mines and stony desertification lands.
Owner:CHINA ENERGY CONSERVATION ENG TECH RES INST CO LTD

Biological diversity treatment method applied to stony desertification in east of WuMongolian Mountain

PendingCN121719213AProtective foundationGrowth substratesRocky desertificationOrganism
The invention relates to the technical field of stony desertification treatment, in particular to a method for treating various stony desertification organisms in the east of the WuMongolian Mountain by combining multiple measures such as seepage-proofing isolation, soil fixation in geocells, improved soil filling, rainwater collection and circulating irrigation, long-acting slow-release fertilizer supply and combined planting of plants with deep roots and shallow roots. And finally, the comprehensive effects of improving the stability of an ecological system and treating stony desertification for a long time are achieved.
Owner:贵州省毕节市林业调查规划设计院

Ecological reconstruction device based on stony desertification treatment and optimization method

The invention discloses an ecological reconstruction device and optimization method based on stony desertification treatment, and relates to the technical field of ecological environment governance, the device comprises an ecological parameter monitoring module, a central control and data module, an ecological restoration execution module and a later maintenance guarantee module; by combining multi-dimensional monitoring equipment such as a high-definition remote sensing camera and a soil profiler, key ecological parameters such as the rock bare rate, the vegetation coverage rate and the soil fertility can be collected in real time; the stony desertification type is scientifically divided and the community stability is quantitatively evaluated through a stony desertification type comprehensive judgment formula and a community stability dynamic evaluation formula, so that the limitation that the traditional technology depends on experience judgment is broken through, the stony desertification control is changed from extensive mode to precise mode, instruction parameters can be adjusted in real time through a dynamic optimization coefficient formula, and the control accuracy is improved. And ensuring that the restoration strategy is matched with the ecological parameter change.
Owner:HUBEI FORESTRY SCI INST

Ecological plant cultivation device in stony desertification photovoltaic field area

The invention relates to the technical field of seedling raising devices, in particular to an ecological plant cultivation device for a stony desertification photovoltaic field. Comprising a vibration platform, a transmission system and a microcontroller, the vibration platform is connected with a carrier frame with adjustable vibration stroke and vibration frequency, the transmission system is in transmission connection with an annular carrier belt and an annular toothed belt which rotate reversely, the carrier frame is provided with a deformation driving system, and the deformation driving system is used for synchronously changing the arrangement shapes of the annular carrier belt and the annular toothed belt. A group of regularly distributed lug seats are mounted on the annular carrier belt, a hinged shaft is rotationally mounted on each lug seat, a hanging frame is mounted on each hinged shaft, a group of seedling raising basins and a rotation driving module for driving the seedling raising basins to rotate are rotationally mounted on each hanging frame, and the rotation driving modules are linked with the annular toothed belt. The device has the advantages that through cooperation of the vibration platform and the multiple sensors, the problems that a traditional device cannot relieve stony desertification soil hardening, water is prone to accumulating in a seedling growing pot, and consequently root system oxygen deficit is caused are solved.
Owner:YUNNAN ACAD OF FORESTRY +1