Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

42 results about "Soil crust" patented technology

Soil crusts are soil surface layers that are distinct from the rest of the bulk soil, often hardened with a platy surface. Depending on the manner of formation, soil crusts can be biological or physical. Biological soil crusts are formed by communities of microorganisms that live on the soil surface whereas physical crusts are formed by physical impact such as that of raindrops.

Method for artificially promoting formation of biological soil crust under photovoltaic array for ecological restoration

The invention discloses a method for artificially promoting biological soil crust formation under a photovoltaic array for ecological restoration. A spraying module, a shading module, a moisturizing module and an intelligent control system are included. The biological promoter specially used for promoting the formation of the biological soil crust comprises nutritional ingredients, bioactive substances, stress resistance factors and a micro-ecological regulator. By using the accelerant and the device, an appropriate microenvironment condition is provided, rapid growth of biological soil crust such as algae, lichen and moss is promoted, the growth activity and colonization ability of the biological soil crust can be remarkably improved, the forming speed of the biological soil crust is increased, and meanwhile, the rapid formation of the biological soil crust is promoted by transplanting the rapidly formed biological soil crust. The colonization range of the biological soil crust is further expanded. The accelerant and the device are not only suitable for severe environments such as drought and saline-alkali soil, but also can be widely applied to various ecological restoration projects such as wind prevention and sand fixation and vegetation planting in desertification regions.
Owner:HUANENG TONGLIAO WIND POWER CO LTD +1

A scraper type bin clearer with the function of breaking soil crust

The present invention discloses a scraper type bin clearer with a function of breaking soil crust, which comprises a frame body, a traveling mechanism, a soil crust breaking device, a main driving device, a material scraping assembly, a track and an intelligent control system. The track is installed on both sides of the house-type bin along the running direction of the equipment. The traveling mechanism is installed at the front end of the frame body to drive the whole equipment to travel along the installation direction of the track. The soil crust breaking device is installed on both sides of the frame body. The material scraping assembly is installed at the tail of the frame body and is located downstream of the soil crust breaking device. The material scraping assembly is driven by the main driving device to operate. The traveling mechanism, the soil crust breaking device and the main driving device are controlled by the intelligent control system to operate. This device uses a scraper plate for bin clearing in the form of chain drive, which has the advantages of low use cost and high working efficiency, and improves the material discharging efficiency from the bin.
Owner:JIANGSU TONGHUI MACHINERY & ELECTRICAL EQUIP

Biological soil crust growth method suitable for desertification land

The invention relates to the technical field of soil desertification treatment, and particularly provides a biological soil crust growth method suitable for desertification land, which specifically comprises the following steps: step 1, adopting local clay with specific clay content, airing, crushing, preparing slurry, and preparing a clay sand barrier unit; step 2, screening suitable sand-fixing plant seeds, performing disinfection and germination accelerating treatment, and sowing the seeds in a specific mode in a sand barrier in a suitable season; 3, by means of the synergistic effect of the clay sand barrier and the sand stabilization plants, later complex management and protection are not needed, biological soil crust can be rapidly formed within 3-4 years, sand barrier self-maintenance and plant self-maintenance growth are achieved, the sand control cost and labor intensity are effectively reduced, water and soil loss is reduced, the vegetation coverage rate and the ecological system stability are improved, and the method is suitable for large-scale popularization and application. The problem of traditional desertification control is precisely solved, and efficient treatment and sustainable ecological restoration of desertified land are promoted.
Owner:QINGHAI UNIVERSITY

Sandstorm-proof soil crust spray-seeding device

The invention belongs to the technical field of desertification ecological restoration equipment, particularly relates to a sandstorm-proof soil crust spray-seeding device, and provides the following scheme aiming at the problems that functional modules of an existing device are isolated and lack of cooperation, and materials are easily interfered and are insufficient in pretreatment in a sandstorm environment: the sandstorm-proof soil crust spray-seeding device comprises a spray-seeding bottom plate and a spray-seeding mechanism integrated on the spray-seeding bottom plate, the spray-seeding mechanism comprises a fungicide spraying assembly, a water-retaining agent spraying assembly and a seeding assembly which are sequentially arranged in the advancing direction, a square windproof cover is arranged on the outer side of a spray-seeding part of the device, a microenvironment air curtain assembly is arranged, air is sucked in through air inlet micropores in the windproof cover, and then a downward adjustable isolation air curtain is formed from bottom air outlet holes; materials are prevented from drifting away. Through deep integration of time sequence spray-seeding, targeted stirring, environment control and intelligent linkage, the problems that in the prior art, the function is single, materials are prone to losing efficacy, and environment interference is large are solved, and the purpose of efficient artificial biological soil crust construction in the complex sand environment is achieved.
Owner:INNER MONGOLIA GRASSLAND TECHNOLOGY INNOVATION CENTER CO LTD +1

Desertification land ecological restoration method based on algae-moss composite biological soil crust

The invention provides a desertification land ecological restoration method based on algae-moss composite biological soil crust. The method comprises the steps of algae and moss species screening, algae propagation, moss propagation and algae-moss co-culture, resistance domestication treatment, preparation of an algae-moss composite particle inoculant, soil preparation and microtopography optimization, field application of the algae-moss composite particle inoculant and maintenance after inoculation. According to the invention, the crust forming speed and structural stability can be obviously improved, the wind erosion resistance, water retention and nutrient fixation capabilities are enhanced, and long-term stable ecological restoration of the desertification land is realized.
Owner:XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI

Soil crust infiltration characteristic monitoring device

The utility model discloses a soil crust infiltration characteristic monitoring device, which belongs to the technical field of soil measuring instruments and comprises a matrix soil column layer, a water accumulation device arranged above the matrix soil column layer and an organic crust layer detachably arranged between the matrix soil column layer and the water accumulation device. The matrix soil column layer comprises a bottom barrel and matrix soil filled in the bottom barrel, the organic crust layer comprises a middle barrel and soil crust filled in the middle barrel, and overflow holes are formed in the bottom of the bottom barrel. The device disclosed by the utility model can be used for measuring the hydraulic conductivity of the soil with the crust, so that the soil crust with different thicknesses can be conveniently replaced, and the measurement accuracy is high.
Owner:YULIN UNIV

A biomimetic anchoring device based on a double helix structure and active adhesion mechanism

PendingCN122354707Aavoid damageincrease frictionBiomimeticsHelical blade
This invention discloses a biomimetic anchoring device based on a double-helix structure and an active adhesion mechanism, belonging to the technical field of biomimetic and marine engineering mooring equipment. Addressing the shortcomings of existing deep-water mooring anchors, such as large soil disturbance and easy failure of passive pull-out resistance, this invention provides a biomimetic anchoring structure adapted to complex seabed sediments. The device includes a rigid body, double-helix blades, and an active adhesion triggering mechanism. The rigid body consists of a solid bullet head, a central oval hollow structure, and a top conical structure. The double-helix blades adopt a variable pitch and variable diameter design, with evenly distributed grooves on the surface. The active adhesion triggering mechanism includes an anchor ring and an anchor ring piston structure, with a built-in drive motor and intelligent sensing and control module in the center. The device achieves low-disturbance penetration through double-helix micro-screwing and kinematic matching. Active adhesion is triggered under tension, forming a deep mechanical interlock and high-pressure consolidated soil crust with the soil, significantly improving pull-out bearing capacity. It is suitable for complex seabed sediments such as soft mud and gravel mixtures.
Owner:HARBIN ENG UNIV

Composite microalgae preparation constructed for biological crust as well as preparation method and application of composite microalgae preparation

The invention provides a composite microalgae preparation constructed for biological crust as well as a preparation method and application of the composite microalgae preparation, and relates to the technical field of biological soil crust repair. The composite microalgae preparation comprises chlorella with the number of FACHB-2900, chlamydomonas with the number of FACHB-1935, a sodium alginate aqueous solution and a calcium lignosulphonate aqueous solution, wherein the chlorella is purchased from a freshwater algae seed bank of Chinese Academy of Sciences. After the composite microalgae preparation is applied, the components of the sodium alginate and the calcium lignosulphonate immediately form a layer of viscous and hygroscopic liquid mulching film on the surface layer of soil, and the mulching film can be used for bonding soil particles, reducing raindrop impact and keeping moisture. In the protective layer, the fixed microalgae are activated by environmental moisture and illumination to restore activity, start to grow and perform photosynthesis, and quickly convert into a living and self-sustaining biological soil crust, so as to quickly protect and repair exposed soil.
Owner:CHINA AGRI UNIV

Sandy biological soil crust strength testing device

The utility model provides a sandy land biological soil crust strength testing device and relates to the field of soil crust. Comprising a base, a pressing device is arranged on the lower surface of the base and comprises a first fixing plate, the middle of the lower surface of the first fixing plate is fixedly connected with the upper end of a second movable block, the lower end of the second movable block is fixedly connected with one end of a first spring, and the other end of the first spring is fixedly connected with the upper end of the first movable block; the lower end of the first movable block is fixedly connected with the lower surface of a pressing plate. According to the strength testing device, through cooperative use of a pressing plate, a first movable block, a first fixing shell, a first spring, a first sliding block, a movable rod and a first fixing plate, when a strength testing mechanism conducts strength testing on soil crust, in order to prevent the situation that the soil crust falls into soil, and consequently detected data is inaccurate, the strength of the soil crust is tested; the soil surface of the detection area is pressed through the pressing plate, so that the soil crust can be prevented from falling into the soil during detection.
Owner:陕西省林业科学院

Soil crust preparation and analysis system

The invention relates to the technical field of soil crust analysis, in particular to a soil crust preparation and analysis system. Comprising a soil preparation device, an environment data acquisition device, a crust data acquisition device and a data processing device, the environment data acquisition device and the crust data acquisition device are both in communication connection with the data processing device, and the soil preparation device is used for preparing soil crust; the environment data acquisition equipment is used for acquiring environment time sequence data in a soil crust preparation process; the crust data acquisition equipment is used for acquiring crust data corresponding to soil crust; and the data processing equipment is used for training to obtain a target causal analysis model based on the environment time sequence data and the crust data. The soil crust preparation and analysis system provided by the invention can be used for collecting and analyzing data.
Owner:HOHAI UNIV

Soil Crust Separation and Analysis System

The present invention relates to the technical field of soil crust separation and analysis, and specifically relates to a soil crust separation and analysis system. The soil crust separation device acquires sample soil, acquires a side image corresponding to the sample soil; measures the thickness of the soil crust corresponding to the sample soil; separates the sample soil to obtain the sample soil crust; and acquires surface feature data corresponding to the sample soil crust; acquires crust spectral data corresponding to the sample soil crust; performs data processing on the soil crust thickness, side image, surface feature data, and crust spectral data to determine soil state data corresponding to the sample soil, and outputs corresponding treatment measures. The efficiency is improved, and the thickness of the soil crust can be accurately obtained. In addition, the system can ensure the accuracy of the soil state data. Thus, the accuracy of the treatment measures taken for the sample soil can be ensured.
Owner:HOHAI UNIV

A kind of coral island biological soil crust GZS001 can promote the hydrological ecological characteristics of coral island calcareous sand

The application discloses a kind of coral island biological soil crust GZS001 that can promote the hydrological ecological characteristics of coral island calcareous sand, with good hydrological ecological effect, can significantly improve the ecological freshwater accumulation and circulation of coral island calcareous sand, provide stable water resources for the planting of higher vegetation, improve the nutritional status of calcareous sand, and lay a good material foundation for the ecological system repair and natural succession of coral island. At the same time, the application of this biological crust can reduce the impact on the environment, and can be widely used, with the advantages of simple operation, low cost, quick effect, easy popularization, etc.
Owner:SOUTH CHINA SEA INST OF OCEANOLOGY CHINESE ACAD OF SCI

Soil crust preparation and analysis system

The present invention relates to the technical field of soil crust analysis, and more specifically to a soil crust preparation and analysis system. The system comprises soil preparation equipment, environmental data acquisition equipment, crust data acquisition equipment, and data processing equipment, wherein the environmental data acquisition equipment and the crust data acquisition equipment are both communicatively connected to the data processing equipment, wherein: the soil preparation equipment is used to prepare soil crust; the environmental data acquisition equipment is used to collect environmental time series data during the soil crust preparation process; the crust data acquisition equipment is used to collect crust data corresponding to the soil crust; and the data processing equipment is used to train a target causal analysis model based on the environmental time series data and the crust data. This provides a soil crust preparation and analysis system that can collect and analyze data.
Owner:HOHAI UNIV

Biological soil crust source microbial agent and application thereof

The application provides a kind of biological soil crust source microbial inoculant and its application, when specifically applied to lettuce, including seed disinfection, plate germination, potting, irrigation and culture in later stage and harvest.In the planting of lettuce seedling, rhizosphere response type fertilizer is applied, which can automatically adjust the release rate of nutrients according to the change of rhizosphere pH, and plays the role of intelligent fertilizer supply;In the later stage of lettuce growth, sodium alginate composite water locking liquid is irrigated, water retaining gel is formed in the rhizosphere and zinc and phosphorus nutrients are released, realizing the dual effect of water retention and precise fertilizer supply.The application effectively improves the water and fertilizer utilization efficiency through the time sequence cooperation of the two kinds of functional preparations, and promotes the healthy growth of lettuce in all directions.
Owner:HENAN UNIV OF SCI & TECH

Intelligent desert ecological restoration system

The invention discloses an intelligent desert ecological restoration system, and belongs to the technical field, the intelligent desert ecological restoration system comprises a condensed water collection device, the condensed water collection device comprises a collection device, and the bottom of the collection device is communicated with a water storage device; the rapid growth device for the biological soil crust comprises moisturizing equipment and nutrition supply equipment which are respectively connected with water storage equipment, and further comprises a culture substrate layer and intelligent monitoring equipment for monitoring the culture substrate layer. The water storage device of the condensed water collection device is connected with the moisturizing device and the nutrition supply device of the biological soil crust rapid growth device, the intelligent monitoring device carries out unified management and coordination on the whole system, and intelligent and efficient operation of condensed water collection and biological soil crust cultivation is achieved; the integrated device of the condensed water collecting device and the biological soil crust rapid growth device has the advantages of being efficient, intelligent, high in adaptability and the like, and an innovative solution is provided for desert ecological management.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS

Biological soil crust spray-seeding device

The invention discloses a biological soil crust spray-seeding device, and belongs to the technical field of soil crust. The device integrates crust collecting, crushing, mixing and spray-seeding functions through the moving frame, and solves the problems of high cost and low equipment utilization rate caused by multi-equipment staged operation in the prior art. The device body is composed of a moving frame, a shovel plate, a smashing box and a mixing barrel, the rotatable shovel plate is arranged at the top of the moving frame to collect earth surface crust, and crust collection is achieved through cooperation of a guide plate and a groove. The crushing box is connected with the mixing cylinder through a communicating pipe, double crushing rollers are arranged in the crushing box, and a stirring shaft is arranged in the mixing cylinder. The collecting structure adopts a combination of a conveying belt and a placing box to convey crust, and the mixing structure realizes linkage of a crushing roller and a stirring shaft through transmission of a synchronizing wheel. The spray pipe assembly generates negative pressure through a compression air pump to adsorb mixed crust. The device integrates a multi-process function through the single moving frame, the equipment cost is remarkably reduced, the operation efficiency is improved, and the device is suitable for crust spray-seeding operation in the field of desertification control.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS

Sanding or dusting parameterization scheme construction method considering biological soil crust

The invention provides a sand or dust parameterization scheme construction method considering biological soil crust, and belongs to the field of sand and dust numerical simulation, the method comprises the following steps: based on survey sampling data of a research area, obtaining a biological suitable region and a biological distribution region, and intersecting the biological distribution region and the biological suitable region to obtain a crust distribution region; performing grid division on the research area, and obtaining the soil crust coverage rate of each organism according to the crust distribution area in each grid; constructing a calculation formula of the critical friction wind speed growth rate, and calculating the critical friction wind speed growth rate in combination with the soil crust coverage rate of each organism; and constructing a soil crust sand and dust emission formula, and calculating the sand and dust emission amount according to the critical friction wind speed growth rate to complete construction of a sand raising or dust raising parameterization scheme. The problems that an existing sand raising scheme does not consider the influence of biological earth surface crust on the sand raising process and the accuracy and reliability of sand raising or dust raising simulation of a land parcel with biological soil crust are low are solved.
Owner:TIANJIN NORMAL UNIVERSITY

A method, system and electronic device for monitoring the amount of soil erosion preservation

The present application relates to the technical field of water and soil conservation, and particularly relates to a soil wind erosion conservation amount monitoring method, system and electronic device, the method comprising: calculating actual wind erosion modulus of a preset area according to a ground roughness factor, a vegetation coverage factor, a meteorological factor, a soil erodibility factor and a soil crust factor of the preset area, calculating maximum wind erosion modulus of the preset area according to a preset maximum vegetation coverage factor, and the ground roughness factor, the meteorological factor, the soil erodibility factor and the soil crust factor of the preset area; and further obtaining soil water erosion conservation amount of the preset area. On the one hand, the method is applicable to small-scale and occasional soil wind erosion conservation amount, and on the other hand, the method can meet the monitoring of soil wind erosion conservation amount of a large area by using a UAV, especially can conveniently and quickly monitor soil and water loss events in remote areas, avoid manual monitoring, and is high in efficiency.
Owner:INST OF GEOGRAPHICAL SCI & NATURAL RESOURCE RES CAS

Device and method for measuring windproof efficiency of biological soil crust

The invention relates to the field of environmental protection scientific research equipment, in particular to a device and method for measuring the windproof efficiency of biological soil crust, and the device comprises a variable-frequency wind power system which is used for simulating different wind power intensities to carry out wind erosion on the biological soil crust; the biological soil crust tray is installed in the sand table in a sliding mode through cooperation of rolling wheels and bolts, and is used for placing different biological soil crust; the equipment supporting frame and movement system comprises a supporting frame and walking universal wheels and is used for supporting the equipment and transferring the equipment; the sand table height and angle regulation and control system is used for regulating and controlling the height and angle of the biological soil crust sand table so as to simulate different wind erosion angles; the matched chlorophyll determination system is used for determining the wind erosion condition of the biological soil crust and the change of related performance; the power supply system is used for supplying power to equipment. According to the invention, the wind erosion resistance mechanism of the biological crust on the aspects of wind prevention and sand fixation can be comprehensively determined.
Owner:GANSU DESERT CONTROL RES INST

Hardened mulching film wheat surface soil crusher

The utility model relates to the field of hardened soil crushing. The hardened mulching film wheat surface soil crusher comprises a fixing shaft, handles are installed on the peripheries of the two sides of the fixing shaft, rotating discs are arranged at the two ends of the fixing shaft, and rotating wheels are rotationally arranged on the peripheries of the rotating discs. A rotating shaft is rotatably mounted on the periphery of the middle of the fixing shaft, a rotating drum is rotatably arranged on the periphery of the rotating shaft, an extending groove is formed in the surface of the rotating drum, a limiting groove is formed in the extending groove, and in the rotating process of the device, the blades are recycled, so that soil adhered to the surfaces of the blades can be automatically separated and prevented from damaging mulching films again, affecting the effect of the mulching films and hindering wheat growth; a mounting groove is formed in the portion, in the rotary drum, of one end of the extending groove, a stopping block is arranged in the mounting groove, and a connecting strip is arranged on the inner side of the stopping block and fixedly connected to the rotary shaft through an arc groove, so that the stopping block does not move along with rotation and is located below all the time, the blade located below can be stopped, and a soil plate is damaged.
Owner:AKSU AGRI TECH PROMOTION CENT OF XINJIANG UYGUR AUTONOMOUS REGION

A rotary soil crust collection device for karst areas and its use method

The present invention discloses a rotary soil crust collection device for karst areas, comprising a scraper, a sample bag, and a positioning rod. One end of the scraper is rotatably connected to the positioning rod. The scraper includes a blade holder and a blade. The blade holder is a fork-shaped structure, with both ends of the blade connected to the blade holder. The opening of the sample bag is sleeved onto the blade holder. The present invention can achieve rapid collection of soil crusts by rotating the scraper, achieving uniform crust thickness and more accurate testing. The crust sample can be collected into the sample bag by simply pressing the blade forward on the ground, greatly simplifying operation and improving collection efficiency. The present invention has the characteristics of simple structure, easy operation, and low cost.
Owner:GUIZHOU NORMAL UNIVERSITY

Directional enrichment culture method for iron reducing microorganisms in desert soil

The invention relates to the technical field of environmental microorganisms, in particular to a directional enrichment culture method for iron reducing microorganisms in desert soil, which comprises the following steps: using biological soil crust samples at different development stages, and adopting a specific gradient dilution, amorphous Fe (OH) 3 screening culture medium screening and continuous passage enrichment method to obtain the iron reducing microorganisms in desert soil. The iron reduction microbial community with remarkable iron reduction capability is successfully obtained. And further identifying the structure of the enriched microbial community through an amplicon sequencing technology. The invention further provides application of the enriched microorganism in the iron reduction process, and the enriched microorganism is used for reducing Fe (III) to Fe (II) and effectively promoting the iron reduction reaction. The method utilizes indigenous microorganisms in a desert ecosystem, and has the advantages of rapid enrichment, low pollution risk, strong adaptive capacity and wide application potential.
Owner:LANZHOU UNIV

Comprehensive evaluation method for crust development quality of active algae in different environments

PendingCN120277403AMeasurement devicesUnicellular algaeBiological interactionEnvironmental engineering
The invention belongs to the technical field of biology, and particularly relates to a comprehensive evaluation method for crust development quality of active algae in different environments. The invention creatively constructs a three-dimensional index system containing photosynthetic ability, stress response and structural morphology, and provides a comprehensive evaluation method for the development quality of algae crust based on multi-dimensional environment-biological index integration. According to the method, a three-dimensional index system of photosynthetic capacity, stress response and structural morphology is constructed, and weight calculation of factor analysis-principal component analysis and a membership function quantification mechanism are combined, so that non-destructive, quantitative and comprehensive evaluation on the development level of algae crust is realized; the problems of index singleness, methodology limitation, lack of environment-biological interaction mechanism and the like in the existing biological soil crust evaluation technology are solved, a quantifiable ecological restoration evaluation tool is provided for desertification control, and the method has a wide application prospect.
Owner:JIANGSU UNIV

A method for effectively improving survival rate of cryptogamic plants in extremely arid sandy areas

ActiveCN122030198BMicroorganismGenetic stock
The application discloses a method for effectively improving survival rate of cryptogamic plants in an extremely arid sandy area, and relates to the field of biological soil crusts. The method comprises the following steps: establishing a crust nursery, selecting a complex microbial colony which is treated by simulating natural adversity as field inoculation material, adopting a fusional crust field breeding box arranged in a row and column mode to carry out field breeding, planting into drifting sand with the convex surface of the arc-shaped protective cover facing the wind direction, inoculating the complex microbial colony material on the first platform, and placing water-retaining slow-release fillers on the second platform; and planting special crown shrubs in the interspaces of the fusional crust field breeding box. The method solves the problems of insufficient traditional inoculation material, single variety, poor adaptability, extensive cryptogamic plant inoculation mode, simple breeding technology, poor habitat, and missing auxiliary materials, improves the survival rate of cryptogamic plants, promotes the formation of biological soil crusts, and is suitable for the extremely arid sandy area.
Owner:GANSU DESERT CONTROL RES INST

Indoor potted plant maintenance robot

The invention relates to the technical field of indoor potted plant maintenance, and provides an indoor potted plant maintenance robot which comprises a planting pot, an equipment body is in threaded connection with the planting pot, a supporting ring is rotatably mounted on the equipment body, a fixing box is fixedly mounted on the supporting ring, and an adjusting frame is slidably mounted on the fixing box; a sliding groove is formed in the adjusting frame, and a sliding block is installed on the sliding groove in a sliding mode. The reciprocating lead screw rotates in the sliding block, so that the cylindrical conical pipe and the triangular cone are inserted into soil and rotate around the planting pot, soil crusting on the edge of the planting pot can be loosened, and the situation that after watering and fertilizing are conducted on soil of small and medium-sized potted plants, compact hard shells are likely to be formed, and consequently the oxygen permeability is reduced is avoided.
Owner:NANTONG INST OF TECH

Method for effectively improving field survival rate of cryptandra in extremely arid desert area

The invention discloses a method for effectively improving the field survival rate of cryptans in an extremely arid desert area, which comprises the following steps: establishing a crust nursery, and selecting a compound microorganism population subjected to simulated natural stress crust refining treatment as a field inoculation material; fusion type crust field breeding boxes arranged in a determinant mode are adopted to carry out field breeding, quicksand is planted in the arc-shaped protective cover with the convex face facing the incoming wind direction, a first platform is inoculated with a compound microorganism colony material, and a second platform is provided with water-retaining slow-release filler; special crown shrubs are planted between rows of the fusion type crust field breeding box; according to the method disclosed by the invention, the problems of insufficient traditional inoculation materials, single variety, poor adaptability, extensive cryptandra inoculation modes, simple breeding technology, severe habitat, lack of auxiliary materials and the like are solved by virtue of the cooperation of three technologies of a compound microorganism population, a fusion type crust field breeding box and special crown shrub shading, the survival rate of cryptandra is increased, and the survival rate of cryptandra is increased. Crust forming of biological soil is promoted, and the method is suitable for extreme drought desert areas.
Owner:GANSU DESERT CONTROL RES INST

Biological soil crust with improved salt and alkali tolerance, and preparation method and application thereof

The present application relates to a kind of biological soil crusts for improving salt-tolerant, and preparation method and application, the biological soil crust includes natural biological crust and 1%~5% of clay mineral of natural biological crust dry weight.This application applies clay mineral to natural biological crust, it is easy to form organic mineral aggregate structure and biological membrane-mineral structure, wherein structure body has the function of retaining water and nutrient substance, maintains the function of biological membrane expansion, and establishes a mineral barrier to external environment;Clay mineral can provide key fine-grained material and adhesive force for the formation of soil aggregate as inorganic component of biological soil crust, and provide certain protection for crust biological, so as to strengthen the ability of crust resistance and promote the role of crust formation, improve its salt-tolerant.This application can apply clay mineral directly to natural biological crust, also can form biological soil crust and then carry out sand fixation application, realize the ecological restoration of saline-alkali soil.
Owner:WUHAN UNIV OF TECH

A biological soil crust spray seeding device

The application discloses a kind of biological soil crust spray seeding devices, belongs to the technical field of soil crust.The device integrates crust collection, crushing, mixing and spray seeding function by moving frame, solves the problem of high cost and low equipment utilization caused by the stage operation of multiple equipment in the prior art.The main body of the device is composed of a moving frame, a shovel plate, a crushing box and a mixing cylinder.The rotating shovel plate is arranged on the top of the moving frame to collect the surface crust, and the crust is collected by the cooperation of the guide plate and the groove.The crushing box is connected to the mixing cylinder by a communication pipe, the double crushing rollers are arranged in the crushing box, and the stirring shaft is arranged in the mixing cylinder.The collection structure uses a combination of conveyor belt and storage box to convey the crust, and the mixing structure uses synchronous wheel transmission to link the crushing rollers and the stirring shaft.The spray pipe assembly generates negative pressure to adsorb the mixed crust by using a compression air pump.The device integrates multiple process functions by using a single moving frame, significantly reduces equipment cost, improves work efficiency, and is suitable for crust spray seeding operation in desert management field.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS

Method for artificially cultivating biological soil crust

The invention relates to a method for artificially cultivating biological soil crust, and belongs to the technical field of biological soil crust cultivation, and the method for artificially cultivating the biological soil crust comprises the following steps: collecting a biological crust seed source and artificially cultivating; the biological crust seed source is collected from a sand stabilization shrub area of the Maouu sand land, and the biological crust seed source comprises algae-containing crust, lichen crust and moss crust. According to the method, the collected biological crust seed sources are subjected to refined layering treatment, 1.5 cm of the upper layer is selected for preparing crust seed powder and reserving propagules, 1.5 cm of the lower layer is selected for preparing culture soil, substrates and nutrients are provided for the crust seed powder, and the collection area of the biological crust seed sources is reduced; symbionts are formed by inoculating arbuscular mycorrhizal fungi, so that the moisture and nutrient absorption capacity of crust is greatly enhanced, and the drought resistance and the adaptability to barren sand are improved.
Owner:QINGHAI UNIVERSITY

A windbreak and sand-resistant soil crust spraying device

This invention belongs to the technical field of desertification ecological restoration equipment, and particularly relates to a windbreak and sand-resistant soil crust spraying device. Addressing the problems of isolated functional modules, lack of coordination, and susceptibility to material disturbance and insufficient pretreatment in windy and sandy environments, the invention proposes the following solution: a spraying base plate and a spraying mechanism integrated thereon. The spraying mechanism includes a microbial agent spraying component, a water-retaining agent spraying component, and a seeding component arranged sequentially along the direction of travel. A square-shaped windproof cover is provided on the outside of the spraying area, along with a microenvironment air curtain component. Air is drawn in through micro-intake holes on the windproof cover and then forms a downward-facing adjustable isolation air curtain from the bottom air outlet, preventing material dispersion. This invention, through deep integration of sequential spraying, targeted mixing, environmental control, and intelligent linkage, solves the problems of single function, easy material failure, and significant environmental interference in existing technologies, achieving the goal of efficient artificial biological soil crust construction in complex windy and sandy environments.
Owner:INNER MONGOLIA GRASSLAND TECHNOLOGY INNOVATION CENTER CO LTD +1