35results about How to "Improve moisture conditions" patented technology

The invention discloses a method for cultivating tea comprising the steps of, tea plantation sun screening, planting deciduous arbor around the tea plantation and between the tea trees, covering the tea plantation through rice straw and planting bean green manure, applying special-purpose fertilizer for organic tea, inoculating beneficial soil organisms and soil creatures including right amount of earthworm, finally carrying out irrigation through mini- sprinkling irrigation system in high temperature dry seasons.

An irrigation modeling framework in precision agriculture utilizes a combination of weather data, crop data, and other agricultural inputs to create customized agronomic models for diagnosing and predicting a moisture state in a field, and a corresponding need for, and timing of, irrigation activities. Specific combinations of various agricultural inputs can be applied, together with weather information to identify or adjust water-related characteristics of crops and soils, to model optimal irrigation activities and provide advisories, recommendations, and scheduling guidance for targeted application of artificial precipitation to address specific moisture conditions in a soil system of a field.

A turf protection utilization method is provided for turf protection utilization programming and planning, and comprises the following steps: delimiting a turf protection level according to nature vegetation types and coverage; delimiting a vegetation retrieval level according to rainfall, temperature and soil factors; carrying out field investigation to check two said levels; superposing and delimiting a plurality of ecology control sections; determining the turf excavating technology according to the vegetation types and coverage in each ecology control section; selecting three protection technologies according to road engineering construction progress and turf utilization time intervals, wherein the three technologies include piled stacking, layered stacking, and skeleton layered temporary planting; determining three planting modes according to wind erosion and water erosion characteristics and propagation coefficients, wherein the three planting modes include a chessboard type, a tic-tac-toe mode and a bar stripped mode. The method can scientifically unify turf protection and utilization planning, storage and utilization, thus providing best ecology benefits; the turf protection utilization method is practical in applications.

The comprehensive desert tackling method includes the steps of spreading artificial lawn over desert; utilizing positioning nails to fix the artificial lawn; cutting planting hole in the artificial lawn; filling soil in the planting hole and planting; and spreading coarse sand on the artificial lawn. The said method can utilize the precious underground water resource in desert and tackles desert directly from fixing sand, maintaining water and greening. The present invention may be used in both tackling desert and preventing soil desertification and has the advantages of fast effect and short period.

The invention relates to nutritive absorbent resin seedling raising paper and a preparation method thereof. The preparation method comprises: performing modification and ultrasonic treatment of corn stalks; adding aqueous solution of K2S2O8 into the corn stalks to prepare gel; soaking the gel in mixed nutrition solution to obtain a nutritive absorbent resin; uniformly spraying the nutritive absorbent resin onto paper; and covering the paper with a layer of cotton pulp soft paper and drying the soft paper to obtain the nutritive absorbent resin seedling raising paper. The invention is characterized in that: the seedling raising paper using the nutritive absorbent resin which is made from crop stalks as a main body can reduce soil consumption for raising seedlings, improve seedling raising temperature and reduce workload in a seedling raising process; complex process procedures for raising seedlings by soil and fertilizer are reduced; when the seedling raising paper is used, strong seedlings with thick and strong roots can be obtained; when the seedling raising paper is used in a seedling raising process of rice, tobacco or other plants, nutrients the seedlings need can be supplied continuously with high efficiency; and the use of the paper is convenient, the seedling raising process is simplified, the seedlings are suitable to be planted by machines or hands, the working efficiency of the planting is high and the planting quality is high.

The invention discloses a desert oligotrophic bacterium DOB150 and application thereof to sand stabilization. Through isolation, screening, selective breeding and acclimatization in Gurbantunggut Desert of Junggar Basin of Xinjiang, the oligotrophic bacterium Bacillus sp. DOB150 CGMCC NO.11925 is obtained as a novel bacterium. The desert oligotrophic bacterium DOB150 and application thereof to sand stabilization have the advantages that after being sprayed into the desert, a bacterium agent prepared from the isolated oligotrophic bacterium DOB150 can play a role in sand stabilization, sand grain adhesion and quicksand activation control and provides good moisture conditions for germination of some plant seeds slow in germination to enable plants incapable of germinating due to insufficient moisture of soil to grow and develop, the number of major microorganisms in the soil can be increased effectively, major nutrient content of the soil can be increased, partial soil enzyme activity can be enhanced, algal crust can be recovered obviously, and accordingly the desert oligotrophic bacterium DOB150 is widely applicable.

The invention relates to a composition for controlling soil pollution in mines. The composition comprises the following components: crop straws and derivatives of crop straws; the crop straws are peanut straws, corn straws, soybean straws, rapeseed straws, rice straws One or more of various crop straws such as straw; the crop straw derivatives are peanut straw biochar prepared from peanut straw, soybean straw biochar prepared from soybean straw, and corn straw biochar prepared from corn straw One or more of rape stalk biochar prepared from rape stalks and rice straw charcoal prepared from rice straw; according to the different pH values ​​of mine soil, the weight percentages of crop straw and crop straw derivatives are different. The invention can not only reduce the bioavailability of heavy metals in mine soil, reduce the acidity of polluted soil, but also improve soil fertility at the same time, without secondary pollution, and turn waste into treasure.

The invention discloses a shade culture method for a tea tree. The method comprises the following steps of: A, shading through a black shading net serving as a tea garden shade material; B, in a tea garden shade period, starting to perform shading treatment after tea burgeoning in spring, directly covering the tea tree by using the black shading net for shading on a clear day, starting to perform shading treatment after tea burgeoning in summer and autumn, and directly covering the tea tree by using the black shading net for shading; C, in the aspect of tea garden shade time, removing the shading net after the tea tree is shaded in spring, and removing the shading net after the tea tree is shaded in summer and autumn; D, in a tea garden shade method for directly covering the shading net for shading through a tea tent, not picking tea leaves or trimming between branches at intervals in the process of mechanically picking the tea leaves in summer of the previous year and trimming the tea tree in autumn and winter; and E, not covering the shading net at night and on rainy days. The culture method is simple and convenient and is convenient to operate and low in cost, the tea quality is obviously improved, the yield of high-quality fresh tea leaves is improved, and particularly the yield of high-grade high-quality fresh green tea leaves which are suitable to be processed in summer and autumn is improved.

The invention discloses a method for producing green tea in autumn, which comprises the following steps: a special fertilizer for organic tea is applied; mechanical picking or labor picking with limitation is carried out and the picking strength is to cut 1 / 2 of new shoot growing in autumn; a trellis is put up in the tea garden and a shading net is covered to conduct shading; low temperature (24 DEG C to 26 DEG C) drying is carried out; green removing is carried out when the temperature of the inlet barrel of a fixation machine is 195 DEG C to 215 DEG C, the air temperature at the tea inlet is 100 DEG C to 110 DEG C and the temperature of the outlet barrel is 145 DEG C to 155 DEG C; and drying and shaping are conducted in a curing machine, the temperature is controlled to be the temperature of the air intake at the beginning, tea is thinly laid in a plate made of bamboo sheets to be cooled until the surface of the tea is colloidal and pekoe shows out. The method is simple, has low cost, increases the production of the green tea in hillside tea garden, obviously improves the quality of the tea in autumn and is conducive to conduct scale production of high quality green tea in autumn in the hillside area of Yangtze River.

The invention relates to a method for preparing a desert plant seedling raising substrate. According to the method, the seedling raising substrate is prepared from sandy soil, magnesium sulfate, thoroughly-decomposed cow dung and a water retention agent and is prepared through the steps of selecting the sandy soil with water permeability and moisture retention, carrying out salt content determination on the selected sandy soil so as to obtain the content of magnesium sulfate in the sandy soil, determining the added amount of desulfurization magnesium slag according to the content of magnesium sulfate in the sandy soil, adding the thoroughly-decomposed cow dung into the sandy soil, uniformly stirring and mixing, adding the high-hygroscopicity water retention agent, and uniformly stirring and mixing, thereby obtaining the desert plant seedling raising substrate. The method has the advantages that the moisture absorption and water retention properties of desulfurization magnesium slag are utilized, so that the moisture content of the seedling raising substrate is increased, the seedling emergence rate and survival rate of seedlings are increased, the seedling emergence cycle is shortened, and the quality of the seedlings is improved; through carrying out seedling raising by using the seedling raising substrate prepared by the method provided by the invention, the seedling emergence rate can reach 95%, the survival rate can reach 90%, the seedling raising is not subjected to seasonal restrictions, and the seedlings can be supplied all the year, so that the method has an important practical significance in the large-scale production of desert plant seedlings and the restoration and reconstruction of vegetation in desert vegetation damaged areas.

The invention belongs to the technical field of vegetable cultivation and discloses an organic cabbage planting method. The organic cabbage planting method includes steps of (1) organic fertilizer preparation; (2) land selection and fertilization; (3) seed disinfection; (4) seed treatment, to be more specific, adding gibberellins into water to prepare growing liquid, wherein a mass ratio of gibberellins to water is 1:2000-3000; selecting cultivation soil obtained in the step (2), adding the growing liquid into the cultivation soil to keep humidity of the cultivation soil to be 50-68%, adding seeds obtained in the step (3) into the cultivation soil, and well mixing, wherein a ratio of the seeds to the cultivation soil is 1:6-10; controlling the environmental temperature for the seeds, and continuously cultivating for 3-4 days, wherein the temperature is controlled at 28-30 DEG C in daytime and 20-22 DEG C in nighttime; (5) sowing; (6) daily management. The organic cabbage planting method has advantages by an organic mode for cabbage planting, environmental friendliness is realized, the germination rate of the cabbage seeds can be increased, and income of peasants can be increased.

The invention discloses slow-release, anti-drought and salt-tolerant lawn paper and a preparation method thereof. The method is characterized by comprising the following steps: using plant straws as main materials, processing the plant straws into gel through modification and ultrasonic treatment; adding nutrient solution into the gel for soaking to prepare nutrient absorbent resin, spraying the nutrient absorbent resin to paper, covering a layer of cotton pulp soft paper and drying, thereby obtaining the slow-release, anti-drought and salt-tolerant lawn paper. The lawn paper is suitable for any kind of soil, and can reduce the grass planting workload and also the conventional cumbersome process with soil fertilizers. The operation is simple, and the lawn paper is breathable and water-permeable and can not be bonded with the foundation. When the lawn paper is used, the grass planting environment is acidic with good ventilation, nutrients needed in each growth stage of the grass can be released slowly, and the grass with thick and strong roots can be obtained. Therefore, the lawn paper is suitable for growth of roof greening plants, lawn greening plants, greening plants for the saline-alkali soil and the like.

The invention discloses a method for seedling protection and sowing of radix bupleuri in a dry farming area. The method comprises that radix bupleuri seeds are immersed in a potassium permanganate aqueous solution, fished out to be drained and covered by gauze for germination accelerating, and then seeds are dressed with thiophanate methyl wettable powder and wet fine sandy soil; seeds are sowed when soil is wet in spring; crop straw is used for covering immediately after sowing; thinning and final singling of seedlings are conducted when radix bupleuri seedlings grow to 4-6cm; and crop straw covering layers are covered by fine soil of 1-2cm in mid November, so that radix bupleuri seedlings can live through the winter in fields. According to the method, the measure of covering with the crop straw is adopted, so that the soil surface moisture content is kept stable effectively, the soil surface moisture condition is improved, the radix bupleuri emergence rate and the seed survival rate are greatly improved, the yield of the radix bupleuri is improved, and the supply of radix bupleuri medicinal herb resources is guaranteed; and simultaneously, seed resources are saved, and production costs are reduced. Tests prove that by the aid of the method for seedling protection and sowing, the average emergence rate of the radix bupleuri is improved by 18.0%, and the average yield of the radix bupleuri is improved by 20.8%.

The invention relates to a manglietia aromatica dandy nutritional type transpiration retardant and a preparation method thereof, and belongs to the technical field of environments and ecology of agriculture and forestry. The transpiration retardant is prepared from 0.1-0.3 g of fulvic acid, 0.1-0.3 g of citric acid, 0.4-0.7 g of potassium nitrate, 0.1-0.3 g of magnesium sulfate, 0.1-0.4 g of boracic acid, 0.1-0.4 g of manganese sulfate, 0.1-0.5 g of alginic acid and 0.1-0.3 g of tridecanol which are contained in 1 L of distilled water. The preparation method comprises the steps that the components are dissolved in the distilled water respectively, the prepared solutions are mixed to be uniform, the scale volume is added to 1 L, the mixture is evenly stirred to be uniform, the PH value and the EC value are regulated, and the manglietia aromatica dandy nutritional type transpiration retardant is obtained. According to the manglietia aromatica dandy nutritional type transpiration retardant, the survival rate of manglietia aromatica dandy transplanting is increased, and meanwhile nutrient elements can further be supplied to the manglietia aromatica dandy for rapid recovery after transplanting is conducted.

The invention discloses a desert oligotrophic bacterium DOB153 and application thereof to sand stabilization. Through isolation, screening, selective breeding and acclimatization in Gurbantunggut Desert of Junggar Basin of Xinjiang, the oligotrophic bacterium Bacillus sp. DOB153 with the preservation number being CGMCC NO.11925 is obtained. The desert oligotrophic bacterium DOB153 and application thereof to sand stabilization have the advantages that after being used for the surface of the desert, a bacterial liquid prepared from the isolated oligotrophic bacterium DOB153 can play a role in sand stabilization, sand grain adhesion and quicksand activation control and provides good moisture conditions for germination of some plant seeds slow in germination to enable plants incapable of germinating due to insufficient moisture of soil to grow and develop, the number of major microorganisms in the soil can be increased effectively, major nutrient content of the soil can be increased, partial soil enzyme activity can be enhanced, algal crust can be recovered obviously, and accordingly the desert oligotrophic bacterium DOB153 is widely applicable.

The invention discloses a method for cultivating tea comprising the steps of, tea plantation sun screening, planting deciduous arbor around the tea plantation and between the tea trees, covering the tea plantation through rice straw and planting bean green manure, applying special-purpose fertilizer for organic tea, inoculating beneficial soil organisms and soil creatures including right amount of earthworm, finally carrying out irrigation through mini- sprinkling irrigation system in high temperature dry seasons.

The invention relates to a manufacturing method of an urban energy-saving and environmental-friendly cultivation medium, which comprises the following implementation steps: in the first phase of an addition reaction, urea and formaldehyde are allowed to perform a hydroxymethylation reaction in a medium with a neutral or slightly alkaline pH of 7-8 to obtain monomethylol urea and dimethylol urea; further reaction is performed to obtain trimethylol urea and tetramethylol urea when the molar ratio of formaldehyde and urea (F / U) is higher; in the second phase of a polycondensation reaction, various methylol ureas are allowed to perform condensation in a weak acid condition with a pH of 4-6 to obtain a hydrophilic resin, wherein in the molecular structure, the hydroxymethyl group and the hydrogen connected to the nitrogen have a polycondensation capability; with the progress of the above reaction, the molecular weight increases gradually, and the molecular state becomes more complex, and even a network structure is formed, so the resin becomes an elastomer with a stereo configuration. The invention uses urea formaldehyde foam plastics as a novel plant cultivation medium to substitute soil, is environmental-friendly and can effectively save resources.

The comprehensive desert tackling method includes the steps of spreading artificial lawn over desert; utilizing positioning nails to fix the artificial lawn; cutting planting hole in the artificial lawn; filling soil in the planting hole and planting; and spreading coarse sand on the artificial lawn. The said method can utilize the precious underground water resource in desert and tackles desert directly from fixing sand, maintaining water and greening. The present invention may be used in both tackling desert and preventing soil desertification and has the advantages of fast effect and short period.

The invention discloses a cultivated land cover seedling method of traditional Chinese medicine of pilosula var. modesta, relates to the technical field of planting of the traditional Chinese medicines, and belongs to the seedling method of the pilosula var. modesta. The cover seeding method is characterized in that seeds are evenly sown on land surfaces which are then covered with a layer of cultivated land soil about 0.3-0.5mm in thickness, and the soil is pressed slightly; after sowing, the soil is immediately covered with wheat straws with 0.4-0.6kg / m2, and seedlings are subjected to final singling when growing to 4-6cm in height. The cover seeding method has the advantages that pest and disease damage is effectively alleviated through soil treatment and soil treatment, and uncultivated land seedling of the pilosula var. modesta is replaced by the cultivated land seedling; water conditions of soil surfaces can be improved through ground coverage, survival rate of the pilosula var. modesta can be effectively increased, production cost can be reduced, production scale of the pilosula var. modesta can be enlarged, and pharmaceutical supply can be guaranteed. As is tested that the cultivated land cover seeding method can effectively reduce production cost, and rate of emergence can be averagely improved 43%.

The invention relates to nutritive absorbent resin seedling raising paper and a preparation method thereof. The preparation method comprises: performing modification and ultrasonic treatment of corn stalks; adding aqueous solution of K2S2O8 into the corn stalks to prepare gel; soaking the gel in mixed nutrition solution to obtain a nutritive absorbent resin; uniformly spraying the nutritive absorbent resin onto paper; and covering the paper with a layer of cotton pulp soft paper and drying the soft paper to obtain the nutritive absorbent resin seedling raising paper. The invention is characterized in that: the seedling raising paper using the nutritive absorbent resin which is made from crop stalks as a main body can reduce soil consumption for raising seedlings, improve seedling raising temperature and reduce workload in a seedling raising process; complex process procedures for raising seedlings by soil and fertilizer are reduced; when the seedling raising paper is used, strong seedlings with thick and strong roots can be obtained; when the seedling raising paper is used in a seedling raising process of rice, tobacco or other plants, nutrients the seedlings need can be supplied continuously with high efficiency; and the use of the paper is convenient, the seedling raising process is simplified, the seedlings are suitable to be planted by machines or hands, the working efficiency of the planting is high and the planting quality is high.

The invention discloses a preparation method of a degradable super absorbent resin by using ultrasonic wave. Based on ultrasonic treatment technology, the invention adopts a new synthesis technology to prepare the degradable super absorbent resin. The invention is realized through the following procedures: 1. modification treatment of corn stalks; 2. ultrasonic treatment of the corn stalks; and 3. preparation of the super absorbent resin. The invention applies the ultrasonic treatment technology into the absorbent resin preparation, and greatly shortens the reaction time; after treatment, the solution polymerization occurs immediately at high temperature; the invention has simple preparation technology without nitrogen protection, and the prepared products have good water-absorption capacity. The products can improve water conditions of the soil, can be degraded into organic fertilizer, and improve crop growth environment, which is suitable for agricultural extension and utilization.

The invention relates to the technical field of preparation of antibacterial and anti-mite fabrics, in particular to a preparation method of an antibacterial and anti-mite fabric. The antibacterial and anti-mite fabric comprises two layers of base layers and two layers of expansion layers; the base layers are located between the two expansion layers, and the space between the two base layers is filled with antibacterial and anti-mite medicine; the antibacterial and anti-mite medicine is powdery; the expansion layers are formed by weaving yarns A and yarns B; the yarns A have the effect of water absorption and expansion; and the yarns B have the effect of thermal expansion. According to the preparation method of the antibacterial and anti-mite fabric, the yarns A absorbing water and expanding in the expansion layers are matched with the yarns B expanding when being heated in the expansion layers, so that gaps between the yarns of the expansion layers are reduced, and therefore the antibacterial and anti-mite medicine between the base layers is protected against flowing away under the driving of water to the maximum extent; and therefore, the antibacterial and anti-mite effects of the antibacterial and anti-mite fabric are guaranteed, and the service life of the antibacterial and anti-mite fabric is prolonged.

The invention belongs to the technical field of saline-alkali soil urban garden greenbelt construction, and relates to an organic ground surface covering method suitable for a saline-alkali soil urban garden greenbelt. The method comprises the following steps that firstly, in an area with the soil saline-alkali condition to be improved, the area is defined as an organic ground surface covering area, soil in the periphery crown projection range of trees in the area is loosed by the depth of 50 cm, and capillaries in the soil are cut off; secondly, plastic gratings are laid on the surface of the soil, then an organic covering layer is then additionally arranged by 30-50 mm to reduce ground surface moisture evaporation, and the capillaries in the underground raw soil layer cannot conduct underground salt-containing moisture to the soil in the ground surface layer, so that secondary salinization of the ground surface soil is avoided, and saline-alkali of the soil are relieved; thirdly, water is sprinkled, wherein water and disinfectant are sprinkled to the surface of the covering materials until the covering materials are completely wet, and the covering materials are settled and stabilized. By means of the organic ground surface covering method suitable for the saline-alkali soil urban garden greenbelt, the soil saline-alkali condition can be effectively improved, the soil ecological environment quality can be improved, survival and healthy growth of plants can be promoted, and management cost can be reduced.

The invention discloses a manufacturing method and a using method of an ecological restoration plant growing bag for a high-cold and high-altitude area. The manufacturing method comprises a filling step and a grass seed implanting step. The using method comprises the steps of digging a field pit, putting the plant growing bag into the pit, and performing field maintenance. The selected materials are wide in source and low in price, the engineering implementation cost can be effectively reduced, and later popularization and application are facilitated; waste soil and stone in the plant growing bag can increase gaps of a cultivation material, it is ensured that the root system of the plant can normally extend, later growth of the plant is guaranteed, and compared with other materials with the same effect, the waste soil and stone are extremely low in price; plant materials selected for manufacturing the plant growing bag can bring good heat preservation and moisture preservation effects to plants in the early stage, the germination rate of the seeds is increased, and nutrients can be provided for plant growth after degradation in the later stage.

The invention belongs to the technical field of methods for high yield of late-sowing summer corn, and discloses a method for high yield of late-sowing summer corn and a special simple corn detasseling device. The method is mainly and technically characterized by comprising the following steps that a medium-maturing or medium-early maturing variety or a kernel direct-harvesting variety with earlyspinning is selected; the depth of a furrowing blade and the depth of a corn seeding plough of a corn seeding and fertilizing machine are adjusted to enable the depth of each seeding furrow to be 8-10cm and the soil buried depth of seeds to be 2-3 cm so as to ensure shallow burying and early seedling emergence and keep the soil moisture not dry at the same time; the width of each foot of the cornseeding and fertilizing machine and the distance between seed grooves in a seeding disc are adjusted, and the seeding row spacing and the seeding line spacing are within 38-39 cm and are equal to each other; the planting density is about 4400-4600 plants / mu, the mutual shading influence of early-stage plants can be reduced to the maximum extent, so that seedlings are promoted to grow early, and afull dose of seed fertilizer is adopted and applied to the late-sowing corn at a time in the corn seeding process, so that the seedlings are promoted to grow early; and all tassels of the corn are removed. According to the method and the special simple corn detasseling device, shading is reduced, the utilization efficiency of photo-thermal resources is improved, and in addition, nutrient consumption in the later period is reduced.

The invention discloses a cultivated land cover seedling method of traditional Chinese medicine of pilosula var. modesta, relates to the technical field of planting of the traditional Chinese medicines, and belongs to the seedling method of the pilosula var. modesta. The cover seeding method is characterized in that seeds are evenly sown on land surfaces which are then covered with a layer of cultivated land soil about 0.3-0.5mm in thickness, and the soil is pressed slightly; after sowing, the soil is immediately covered with wheat straws with 0.4-0.6kg / m2, and seedlings are subjected to final singling when growing to 4-6cm in height. The cover seeding method has the advantages that pest and disease damage is effectively alleviated through soil treatment and soil treatment, and uncultivated land seedling of the pilosula var. modesta is replaced by the cultivated land seedling; water conditions of soil surfaces can be improved through ground coverage, survival rate of the pilosula var. modesta can be effectively increased, production cost can be reduced, production scale of the pilosula var. modesta can be enlarged, and pharmaceutical supply can be guaranteed. As is tested that the cultivated land cover seeding method can effectively reduce production cost, and rate of emergence can be averagely improved 43%.

The invention belongs to the technical field of saline-alkali soil urban garden greenbelt construction, and relates to an organic ground surface covering method suitable for a saline-alkali soil urban garden greenbelt. The method comprises the following steps that firstly, in an area with the soil saline-alkali condition to be improved, the area is defined as an organic ground surface covering area, soil in the periphery crown projection range of trees in the area is loosed by the depth of 50 cm, and capillaries in the soil are cut off; secondly, plastic gratings are laid on the surface of the soil, then an organic covering layer is then additionally arranged by 30-50 mm to reduce ground surface moisture evaporation, and the capillaries in the underground raw soil layer cannot conduct underground salt-containing moisture to the soil in the ground surface layer, so that secondary salinization of the ground surface soil is avoided, and saline-alkali of the soil are relieved; thirdly, water is sprinkled, wherein water and disinfectant are sprinkled to the surface of the covering materials until the covering materials are completely wet, and the covering materials are settled and stabilized. By means of the organic ground surface covering method suitable for the saline-alkali soil urban garden greenbelt, the soil saline-alkali condition can be effectively improved, the soil ecological environment quality can be improved, survival and healthy growth of plants can be promoted, and management cost can be reduced.

The invention discloses a desert oligotrophic bacterium DOB153 and its application in sand fixation. A desert oligotrophic bacterium Bacillus sp.DOB153 was obtained through isolation, screening, breeding, and domestication in the Gurbantunggut Desert in the Junggar Basin, Xinjiang. The preservation number of the strain is CGMCC NO.11925. The isolated The bacterial solution prepared by the oligotrophic bacteria DOB153 strain is used on the desert surface not only to play a role in sand fixation, but also to provide better water conditions for the germination of some plant seeds with a slower germination rate, so that some plants that cannot germinate due to insufficient soil moisture Get growth and development, not only play a role in sticking sand particles, preventing quicksand activation, but also effectively increasing the number of main microorganisms in the soil, increasing the content of main nutrients in the soil, enhancing the activity of some soil enzymes, and can obviously restore algae crusts. It has a wide range of applications in sand fixation. Value.