49 results about "Soil crust" patented technology

The invention relates to the technical field of soil crust separation and analysis, in particular to a soil crust separation and analysis system. The soil crust separation equipment acquires sample soil and acquires a side image corresponding to the sample soil; measuring the soil crust thickness corresponding to the sample soil; separating the sample soil to obtain a sample soil crust; acquiring surface feature data corresponding to the sample soil crust; acquiring crust spectral data corresponding to the sample soil crust; and performing data processing on the soil crust thickness, the side image, the surface feature data and the crust spectral data, determining soil state data corresponding to the sample soil, and outputting corresponding processing measures. The efficiency is improved, and the soil crust thickness can be accurately obtained. In addition, the system can ensure the accuracy of soil state data. Therefore, the accuracy of treatment measures on the sample soil can be ensured.

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.

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.

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.

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.

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.

In a first aspect, the present invention relates to a composition of isolated microorganisms, wherein these are in the form of viable microorganisms of the following genera: Microcoleus, Nostoc, Scytonema. That is to say, the mixture comprises at least cyanobacteria, preferably as a mixture with microalgae. In a further aspect, the invention relates to a method for improving soils, comprising the application of the composition of isolated microorganisms according to the invention, in particular a method for improving the soil crust. Finally, the present invention relates to the use of the composition of isolated microorganisms according to the invention for improving soils, in particular for the (re)formation and improvement of soil crusts.

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.

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.

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.

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.

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.

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.

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.

In a first aspect, the present invention relates to a composition of isolated microorganisms, wherein said microorganisms are in the form of viable microorganisms of at least the following genera: Microcoleus, Nostoc, Scytonema, Klebsormidium. This means that the mixture comprises at least cyanobacteria and a microalgae, preferably as a mixture with another microalgae. In a further aspect, the invention relates to a method for improving soils, comprising applying the composition of isolated microorganisms according to the invention to the soil. In particular, the invention relates to a method for improving the soil crust. Lastly, the present invention relates to the use of the composition of isolated microorganisms according to the invention for the improvement of soils, in particular for the (re)formation and improvement of soil crusts.

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.

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.

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.

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.

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.

The utility model discloses a complete biological crust sampler and relates to the technical field of soil sampling. The sampling device comprises a base, a connecting frame is fixedly connected to the top surface of the base, a moving-out opening is formed in the surface of an installation assembly in a penetrating mode, a sampling barrel is arranged on the surface of the installation assembly, a sample storage box is arranged on the inner wall of a collection assembly, and an opening is formed in the top surface of the base in a penetrating mode. When the biological soil crust sampler is used for sampling biological soil crust, a processing worker can move the sampler to a sample sampling position through the moving assembly, at the moment, the mounting assembly drives the sampling barrel to continuously move upwards, the size of the moving-out assembly is smaller than the opening size of the moving-out opening, and then the moving-out assembly can enter the moving-out opening; and meanwhile, an electric push rod drives a push block to move downwards, so that the aim of conveniently taking out the samples is achieved, then when multiple groups of samples are taken out, workers do not need to repeatedly knock and vibrate all the time, and the labor intensity of the workers is reduced.

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.

The invention relates to the technical field of remote sensing, in particular to a desert scene albedo simulation method and system based on a kernel-driven method, and the method comprises the steps: collecting vegetation coverage data, biological soil crust coverage data and topographic feature data, and carrying out the standardization processing of the data, generating dynamic characteristic data by utilizing time dynamic correlation and spatial distribution analysis; the method comprises the following steps: constructing a volume scattering kernel based on a Gutschick-Wiegel scattering phase function, and generating corrected volume scattering kernel data in combination with SCS + C topographic correction and a hotspot correction mechanism; constructing a geometrical optical kernel by jointly using a Li-SparseR kernel and a Rouyean kernel, and generating corrected geometrical optical kernel data by adjusting the weight through dynamic vegetation coverage parameters and combining topographic correction; and finally, combining the volume scattering kernel, the geometrical optical kernel and the isotropic kernel to generate a bi-directional reflection distribution function model, and optimizing parameters to improve the simulation precision of the red band and the near-infrared band. According to the method, the defects of hot spot effect, terrain correction and sparse vegetation optical characteristic representation in the prior art are effectively overcome.

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.

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.

The present invention provides an ecological slope protection construction method based on a bacteria-algae symbiotic system, which relates to the technical field of runoff sewage treatment, and includes the following steps: mixing biochar with ceramsite, then reacting for 8 to 20 hours under the conditions of 120 to 160°C and 4 to 6MPa, adding a water retaining agent after cooling, obtaining a microbial carrier material, and then applying it to the surface layer of the river slope protection soil; dividing the river slope protection into tree areas, shrub areas, herbaceous plant areas and emergent plant areas, and planting trees, shrubs, herbaceous plants and emergent plants respectively; spraying the bacteria-algae mixed liquid on the surface of the river slope protection soil to form a biological soil crust. The present invention utilizes the porous structure of biochar to improve soil bulk density and pore structure, and is matched with ceramsite and a water retaining agent to improve soil permeability, moisture content and water holding capacity, promote the growth of bacteria and algae, thereby improving the purification effect, and using vegetation to alleviate the erosion of the river bank by water flow, solving the problem that the flood control measures on the river bank destroy the integrity of the river.

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.

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.

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.

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.