183 results about "Nutrient loss" patented technology

The invention discloses a composite conditioner for acid soil of slope cropland and application of the composite conditioner. The conditioner comprises the following components in percentage by mass: 12%-18% of calcium peroxide, 18%-32% of a buffer mineral compound, 1.5%-3.0% of an anti-scouring controlled-release material, 10%-25% of a nutrient carrier and fertilizer, 0.5%-3.0% of a binder and a granulation aid, and the balance of inert filler and water. The preparation process comprises the steps of dry mixing, granulation, drying and coating. The product provided by the invention can realize high residue of CaO and stable pH under the condition of heavy rainfall of slope cropland, effectively inhibit the pH fall of acid soil, reduce aluminum toxicity and reduce nutrient loss. By controlling the content and proportion of the calcium peroxide, the buffer mineral compound and the anti-scouring controlled-release material, the calcium peroxide, the buffer mineral compound and the anti-scouring controlled-release material have a synergistic effect in a slope cropland environment, so that not only is the initial rapid acid inhibition capability ensured, but also the lasting pH stability and high residual rate are realized through buffer and controlled-release technologies.

According to the high-temperature-resistant nitrogen-fixing bacteria microcapsule fertilizer and the preparation method thereof, aiming at the problems of thallus inactivation and nutrient loss in a high-temperature environment, a sodium alginate-chitosan double-layer embedding technology is combined with magnetic nanoparticle modification, and a stable double-layer structure is formed by optimizing the ratio of an embedding material, so that the high-temperature-resistant nitrogen-fixing bacteria microcapsule fertilizer is prepared. The survival rate and activity of the nitrogen-fixing bacteria at high temperature are remarkably improved, and meanwhile, the functions of intelligent nutrient release and magnetic recovery are achieved. The fertilizer is prepared from composite microcapsules, amino acid, humic acid and other raw materials according to a specific ratio through magnetic field orientation treatment, multi-stage mixing, atomization granulation and magnetic field screening processes, the particle size is controlled to be 0.5-3.35 mm, and the shelf life is prolonged to 12 months. The method has the technical effects that trehalose-glycerol / sorbitol synergistically forms a glassy protective film to maintain the stability of thalli, gamma-aminobutyric acid activates nitrogenase gene expression, magnetic nanoparticles construct a photosynthetic symbiotic system to optimize rhizosphere oxygen supply, and silanized FeO nanoparticles fix heavy metal ions through electrostatic adsorption, so that the heavy metal ions in the thalli are effectively adsorbed, and the heavy metal ions in the thalli are effectively adsorbed. And the humic acid buffers the pH fluctuation of the soil, so that the nitrogen fixation efficiency is finally improved by 30-50%, and the crop yield is increased by 15-25%.

The invention discloses a bagasse filter mud composting method based on synergistic interaction of sargassum fusiforme and a complex microbial inoculant. The method comprises the following steps: mixing a sugar manufacturing byproduct bagasse and filter mud according to a certain dry weight ratio, and adjusting the moisture and carbon nitrogen ratio; synchronously adding sargassum fusiforme powder and a compound microbial agent, wherein the microbial agent is prepared by compounding bacillus licheniformis and phanerochaete chrysosporium; the high-temperature period is maintained for not less than 7 days, the total fermentation period is about 45 days, and the matured compost and the fertilizer thereof are prepared. The sargassum fusiforme is used as a natural conditioner, so that the composition of nutrient substances can be optimized, nitrogen and water are preserved, and heavy metals are passivated; and the lignocellulose is specifically degraded by the complex microbial inoculants. Through the synergistic effect of the bagasse and the filter mud, the high-temperature period of the compost is remarkably prolonged, the nutrient loss is reduced, the decomposition degree and the environmental safety of a compost product are improved, and an efficient and environment-friendly new way is provided for high-value resource utilization of the bagasse and the filter mud.

This invention discloses a reconstituted rice made from leafy greens and its preparation method. The method involves mixing brown rice flour pretreated with leafy green filtrate with leafy green residue obtained by treatment with sodium hydroxide and alkaline protease. The mixture is then extruded, molded, and air-dried to obtain high-quality, high-nutrient reconstituted rice made from leafy greens. This method solves the problem of nutrient loss in grain raw materials without adding other additives, while synergistically promoting nutrient absorption, improving raw material utilization and nutrient absorption efficiency, and enhancing the nutritional value of the reconstituted rice.

The invention provides a sweet potato leaf powder processing technology with a high nutrition retention rate, which comprises the following steps: S1, putting sweet potato leaves into a dynamic fixation roller, and mixing nitrogen and carbon dioxide by adopting a nitrogen and carbon dioxide mixing generator to form nitrogen and carbon dioxide mixed gas, the nitrogen and carbon dioxide mixed gas is heated to 95 DEG C through a heat exchanger and sprayed out, the oxygen concentration in the dynamic fixation roller is maintained to be smaller than or equal to 0.5%, and the chlorophyll degradation rate of the sweet potato leaves is monitored through a near-infrared sensor by inhibiting the activity of polyphenol oxidase of the sweet potato leaves; according to the method, a weak acid environment is formed through CO2 dissolution to inhibit the activity of polyphenol oxidase and reduce the requirement for fixation temperature, active ingredients are reserved through three-area gradient variable-temperature drying and rapid dehydration and freeze-drying sublimation, energy consumption is reduced by 37%, heat stability is improved through polyphenol glycosylation, the bioavailability of beta-carotene is improved to 80% through nano embedding, and therefore nutrient loss is avoided, and the method is suitable for industrial production. The drying efficiency, color and flavor are improved.

The invention discloses a sustained and controlled release value-added fertilizer containing a bioactive carrier and a preparation method of the sustained and controlled release value-added fertilizer, and belongs to the technical field of sustained and controlled release fertilizers. The slow / controlled-release value-added fertilizer is prepared by compounding a bioactive carrier and an NPK compound fertilizer, wherein the bioactive carrier is prepared from three parts, namely a charcoal-layered double-metal hydroxide composite base material, interlayer intercalation phosphate radicals and surface-loaded humic acid. High-amount uniform loading of layered double hydroxides on the surface of biochar is achieved through a hydrothermal in-situ growth technology, phosphate radicals are stably embedded between layers in a subject-object composite mode, and a humic acid active component is combined to form a novel value-added fertilizer with multiple functions of nutrient slow release, soil improvement and growth stimulation. The fertilizer utilization rate is effectively improved, and the nutrient loss risk is reduced.

The present application relates to the technical field of agricultural product waste processing, in particular to a fresh fruit peel residue squeezing dehydration process. The process adopts a dehydration accelerator for short-time reaction with fresh fruit peel residue, and then realizes effective dehydration through physical squeezing again. The water content of the fruit peel residue can be reduced from 78.03% to 66.67%. The process optimizes the dehydration effect, nutrient retention, ash control and other indicators, which can not only significantly improve the squeezing dehydration efficiency, but also has less nutrient loss and greatly improves the commercial utilization value of the fruit peel residue.

This invention discloses a method for enhancing the color and aroma of whole-component fruit juice through synergistic fermentation with lactic acid bacteria, belonging to the field of food processing technology. The method uses ripe mangoes / pineapples as raw materials. After washing, pitting (peeling), and low-temperature jet milling to retain all components, the juice undergoes compound enzymatic hydrolysis and optimization of its uniformity. A compound strain composed of *Lactobacillus plantarum*, *Lactobacillus fermentum*, and *Lactobacillus helveticus* is then inoculated. The mixture undergoes constant-temperature anaerobic fermentation. The process is optimized using fuzzy mathematical sensory evaluation and response surface methodology, resulting in a sensory score of 91.67 for mango juice and 90.83 for pineapple juice. The retention rate of carotenoids is increased by 25%-30%, the lactic acid content reaches 2.97-26.45 mg / g, and the relative content of esters in volatile aroma components increases to over 35%. Simultaneously, the total sugar content decreases by 3.7%-24.0%. This method solves the problems of dull color, weak aroma, and nutrient loss in traditional whole-component fruit juices. The product combines natural functionality with a unique fermented flavor, making it suitable for industrial production.

This invention discloses a method for reducing carbon and nitrogen emissions and nutrient loss during liquid manure storage. By storing liquid poultry and livestock manure containing plant tannin extracts under natural atmospheric and static conditions, this invention reduces carbon and nitrogen emissions and nutrient loss during storage, increases the fertilizer value of the liquid manure, and improves its physicochemical properties and stability. The plant tannin extracts are natural plant extracts, environmentally friendly and non-toxic, with low cost and simple operation, making them suitable for large-scale application. This invention provides a highly efficient and environmentally friendly liquid manure storage technology for the livestock and poultry farming industry, and offers a sustainable liquid manure management solution.

The present application relates to the field of microbiological technology, and specifically provides a compound microbial flora preparation for improving crop straw compost humification and organic carbon fixation and application thereof. The compound microbial flora is composed of saccharophagus degradans CGMCC 1.10397, paenibacillus popilliae CGMCC 1.12900 and bacillus subtilis CGMCC 1.6757. Seed liquids of the above three strains are mixed and cultured in a volume ratio of 1:1:1 to obtain a compound microbial suspension, which is applied to the aerobic composting process of crop straw, can significantly improve the degradation efficiency of lignocellulose, promote the formation of humus and the stable fixation of organic carbon, thereby improving the compost quality, reducing the nutrient loss and greenhouse gas emission. The present application is suitable for the resource treatment of cotton straw, vegetable straw and other agricultural organic wastes.

The invention discloses a coarse cereal high-value treatment method which comprises the following steps: S1, raw material cleaning: screening, cleaning and drying coarse cereals; s2, baking the raw materials, namely performing microwave baking on the cleaned coarse cereals in the step S1, and performing dry cooking; s3, raw material powdering: putting the baked coarse cereals into powdering equipment for powdering treatment; s4, drying the raw materials, namely drying and crushing the raw materials with moisture; s5, sieving the raw materials; and S6, packaging the raw materials. In the processing process, the ultrasonic generator is used for crushing the coarse cereals, so that the mechanical crushing state is avoided, the nutrition loss of the coarse cereals in the crushing process is further reduced, meanwhile, the coarse cereals are crushed by ultrasonic waves, so that the taste of the coarse cereals is better, the coarse cereals can be mixed more uniformly, and the quality of the coarse cereals is improved. And the arrangement of mixing equipment is reduced, so that the production cost is further reduced, and the practicability of the production process is indirectly improved.

The invention relates to red date sandwich sliced tea and a preparation process, and belongs to the technical field of substitutional tea processing, the product is formed by interference fit of peripheral date rings formed by pitted slices and built-in tea columns formed by compressed tea materials, and is prepared by constant-temperature drying at 65 DEG C for 6-8 hours. According to the technical scheme, synchronous water absorption expansion and component balanced release of the jujube rings and the tea columns during brewing are achieved, thermosensitive nutritional ingredients such as vitamins and tea polyphenols of the red jujubes are effectively reserved, and meanwhile the product has the characteristics of being complete in structure, few in tea residues and convenient to brew; the technical problems that traditional combined tea is asynchronous in component release, high in nutrition loss and inconvenient to process are solved.

The invention provides a preparation method and equipment of an original blueberry juice beverage, and the preparation method comprises the following steps: S1, liquid nitrogen quick freezing and wall breaking: putting cleaned blueberries in a liquid nitrogen environment for quick freezing, so that cell walls of the blueberries are broken; s2, low-temperature unfreezing and ultrafine crushing: unfreezing the blueberries treated in the step S1 in an environment of 2-6 DEG C, and then performing closed ultrafine crushing to obtain whole blueberry pulp; s3, multi-stage composite enzymatic hydrolysis: conveying the whole-fruit blueberry pulp into an enzymatic hydrolysis tank, and adding a composite enzyme preparation in two stages at 45-55 DEG C to carry out an enzymatic hydrolysis reaction; the compound enzyme preparation comprises pectinase and cellulase; s4, performing ultrahigh-pressure cold sterilization; and S5, carrying out sterile cold filling. According to the method, a liquid nitrogen quick-freezing wall breaking technology is adopted, so that the cell structure of the blueberry is quickly destroyed in a low-temperature environment, heat-sensitive active ingredients such as anthocyanin and vitamin C are effectively reserved, and the problem of nutrition loss caused by traditional hot processing is solved.

The invention discloses a laboratory mouse feed and a preparation method thereof. The feed consists of the following raw materials in percentage by weight: 32-38% of corn flour, 22-28% of fermented soybean meal, 8-12% of fish meal, 4-6% of silkworm chrysalis meal, 10-15% of low-gluten wheat flour, 2-3% of purple perilla seed oil, 1.5-2.5% of calcium carbonate, 0.8-1.2% of calcium hydrophosphate, 0.3-0.5% of table salt, 0.8-1.2% of microencapsulated compound vitamins, 0.2-0.4% of an enzyme preparation compound, 3-5% of dietary fibers and the balance of mineral premix. The preparation method has the beneficial effects that the vitamin retention rate of the technical scheme is increased by 30-40% compared with a contrast, and the problem of nutrient loss caused by a traditional high-temperature process is solved; the water uniformity is improved by 68% through gradient cooling, the quality guarantee period is prolonged from 50 days to 85-95 days in combination with a microencapsulation technology, and the storage loss is reduced.

The present application relates to a kind of water stability fertilizer and the method for preparing the fertilizer using hydration solidification technology, the present application is formed by specific hydration solidification reagent under the condition of water storage hydration solidification reaction, relatively dense, stable inorganic structure framework, so that the components of fertilizer are closely combined, finally obtain stable performance fertilizer, the fertilizer of the present application has high water stability, the overall shape is kept intact after being immersed in water for 28 days, is not damaged, and the production cost is low, can realize the slow release of nutrient, reduce nutrient loss, improve the utilization rate of fertilizer, while reducing its pollution to the environment.

The utility model relates to the field of powdering equipment, in particular to a food powdering device capable of preventing nutrition loss, which comprises a driving unit, a powdering unit and a cooling unit, the powdering unit comprises a shell, a gear ring component and a hammerhead component, the gear ring component is fixed in the shell, the bottom surface of the gear ring component and the shell are arranged at an interval, and the hammerhead component is fixed in the shell. A cooling cavity is formed; the driving end of the driving unit is connected with a driving rod set, the driving rod set is arranged on the shell in a penetrating mode, the hammer head assembly is arranged in the gear ring assembly and rotationally connected to the driving rod set, a first cooling pipeline is formed in the driving rod set, and the driving assembly conveys cooling liquid to the cooling cavity and the first cooling pipeline through the cooling pipeline. The gear ring assembly is cooled through cooling liquid in the cooling cavity, temperature rise of the gear ring assembly caused by friction is avoided, materials are heated, and over-temperature of material powder and loss of nutritional ingredients are avoided to the maximum extent.

This invention discloses a rice processing technology with minimal nutrient loss. First, ultrasonic cleaning removes impurities and mold, facilitating subsequent hulling and reducing the broken rice rate. Then, multi-stage micro-pressure milling further reduces nutrient loss and the broken rice rate. This processing method effectively reduces the broken rice rate and retains more nutrients compared to refined rice, with almost no impact on the taste.

The invention relates to the technical field of agricultural technologies, and discloses a perlite water and fertilizer retention slow release fertilizer which is prepared from the following components in parts by weight: 10-30 parts of a chemical fertilizer, 5-20 parts of a phosphate fertilizer, 5-20 parts of a potash fertilizer, 20-50 parts of water and 10-40 parts of perlite, according to the preparation method, the porous perlite is used as a fertilizer carrier, the core problem of low fertilizer utilization rate is effectively solved, leaching and runoff loss of soluble nutrients such as nitrogen and potassium in the early stage of crop growth are remarkably reduced, it is ensured that the fertilizer can be fully absorbed in the critical period of fertilizer demand of nursery stocks, the fertilizer utilization rate is greatly increased, and the yield of the nursery stocks is increased. The agricultural production cost is reduced, and the environmental pressure such as water eutrophication caused by nutrient loss is relieved from the source.

The application relates to the field of agricultural irrigation technology, in particular to a water and fertilizer integrated irrigation control system and a control method, which specifically comprises the following steps: calculating a water and nutrient loss factor according to test field irrigation data, and fitting a mapping relationship between soil initial root layer water and nutrient data and corresponding loss factors, so as to help ordinary cultivated fields to quickly obtain corresponding loss factors according to root layer water and nutrients during use, and to adaptively adjust water and nutrient irrigation amounts; in view of the problem that individual areas do not reach the requirements after preliminary irrigation of ordinary cultivated fields, corresponding loss factors are adjusted according to post-irrigation data, and then the irrigation amount is adjusted for supplementary irrigation; the problem that the traditional integrated irrigation lacks consideration of the fact that part of water and nutrients will be lost before reaching the root layer, leading to the fact that the water and nutrient amounts of the crop root layer may still be lower than the required amount after the irrigation is completed, is avoided, and the irrigation precision of crops is improved.

The invention relates to the technical field of heavy metal environmental pollution prevention and control, and discloses a heavy metal pollution repair material based on waste high-molecular polymers and inorganic mineral powder as well as a preparation method and application of the heavy metal pollution repair material. According to the method, a waste high-molecular polymer (plastic or rubber) and inorganic mineral powder are used as raw materials, and under the action of a catalyst, the carbon-based heavy metal pollution repair material with a high specific surface area, a large pore volume and a high-reaction-activity layer is prepared in a hydrothermal pre-carbonization-high-temperature activation pore-forming mode. The material not only has a high adsorption effect and cyclic utilization characteristic on heavy metal ions in a water body, but also has a high passivation rate on various heavy metals (lead Pb, cadmium Cd, chromium Cr, arsenic As and copper Cu) in soil, in addition, a matrix of the remediation material is porous biochar, and calcification, hardening and nutrient loss of the soil cannot be caused when the remediation material is used. The obtained heavy metal pollution remediation material has a good remediation effect in a water body or a soil medium.

The invention relates to the technical field of refrigerators, in particular to an unfreezing refrigerator. The unfreezing refrigerator comprises a refrigerator body, a drawer and an air blowing assembly. The refrigerator body is provided with a freezing chamber. The drawer is arranged in the freezing chamber and comprises a bottom plate and side plates, the bottom plate and the side plates are connected and define an unfreezing space for placing food, and the bottom plate is hollow and forms a cavity; the air blowing assembly is arranged in the cavity and can drive air in the cavity to flow, and the cavity communicates with the refrigerator cabin; a plurality of air blowing holes are formed in the bottom plate, and the cavity is communicated with the unfreezing space through the air blowing holes. The refrigerator has the advantages that the air blowing assembly is arranged in the cavity in the bottom plate, so that air in the refrigerator cabin flows into the cavity and flows to the unfreezing space through the air blowing holes communicated with the cavity, and therefore the air is blown to food to be unfrozen, the food can be evenly blown, the temperature of the food is slowly increased, and the situation that the food is heated unevenly due to the too high temperature is avoided; the nutrition loss is caused by continuous heating of local parts, and the taste is influenced.

The invention discloses a system and a method for rapidly selecting a human body nutrient solution dosage form, and belongs to the technical field of biomedical detection. The system comprises a sample preprocessing unit, an integrated sensor unit and a microprocessor unit, a core theoretical model is established by taking conductivity k and refractive index n as a core quantitative basis, then core quantitative calculation and proportion estimation are performed by taking pH and turbidity as qualitative recognition and correction factors, and finally, nutrient solution supplement suggestions are intelligently decided and output. According to the method, the leap that quantitative estimation can be achieved only by rough judgment depending on experience of doctors when the nutrient solution is supplemented to a patient with the nutrient solution lost is achieved, the result is more scientific and reliable, the technical problem that component analysis of approximate chromatography is achieved through a low-cost and rapid method is solved, and the method has good clinical application value and market prospects.

The invention discloses a method for preparing deodorized soybean oil through infrared and high-frequency pulse cooperation, and belongs to the technical field of food. In order to solve the problems of nutrition loss, peculiar smell rebound and low efficiency of a traditional deodorization process or a single technology in the prior art, the invention provides a method for preparing deodorized soybean oil by infrared and high-frequency pulse, and the deodorized soybean oil is prepared by infrared pretreatment for 30-120 minutes at 90-150 DEG C and high-frequency pulse treatment for 15-35 kV, 100-1000 Hz, 2-10 us and 60-210 s. The enzyme activity inhibition-precursor release-peculiar smell degradation triple mechanism is constructed, the fishy smell removal and aroma enhancement effects are achieved, a green and efficient solution is provided for high-quality soybean oil processing, and the method has wide application prospects.

This invention relates to the field of aerobic fermentation equipment for organic waste, specifically a small-scale aerobic fermentation device, including a fermentation cylinder, aeration components, aeration plates, and porous permeation plates. The device employs a layered aeration structure, coupled with an adaptive anti-clogging unit, a vibrating aeration top cover, and a wall-mounted jet structure. This fundamentally solves the problems of easy clogging of aeration holes and uneven oxygen supply in traditional equipment. Through a combination of bottom aeration, wall-mounted oxygen supplementation, and material disturbance, oxygen supply is achieved without dead zones inside the fermentation cylinder. The sawtooth stirring blades increase the air gap between materials, significantly improving the aerobic metabolic efficiency of microorganisms and effectively shortening the fermentation cycle. Simultaneously, a hydraulic circulation component is added to pump highly active bacteria and nutrients from the bottom back into the upper material layer, achieving uniform distribution of bacteria and full utilization of nutrients. This solves the problems of large differences in the maturity of the upper and lower layers and nutrient loss in traditional fermentation, improving the fertility and uniformity of the finished organic fertilizer.

The present application provides a kind of wheat germ special composite enzyme inhibitor, wheat germ product and its preparation method, the wheat germ special composite enzyme inhibitor includes by mass percentage: rosemary acid 50-60%, bilberry extract 20-24%, green tea extract 14-17% and turmeric extract 5-9%.The present application is dissolved with hot water, homogenized sterilization after the composite enzyme inhibitor, then mixed with wheat germ, drying, so as to effectively inhibit 80%-90% of lipase activity, improve lipid stability, reduce the destruction of active ingredients, obtain long shelf life, less nutrient loss of wheat germ product.The present application process is simple, strong applicability, easy to large-scale industrial production.

The invention relates to the technical field of amino acid fertilizer preparation, in particular to a process method for producing an organic fertilizer by coupling a micro-nano bubble technology and a composite enzymolysis process. According to the method, after raw materials are treated, micro-nano bubble water is introduced in a water washing and blending stage, ultrasonic and multienzyme composite enzymolysis is adopted in an enzymolysis stage, and a compound biological flocculant activated by micro-nano bubbles is adopted in a separation stage for synergistic effect, so that the enzymolysis conversion efficiency and the nutrient recovery rate are improved, the clarity of supernate is improved, and nutrient loss is reduced; the product quality of the liquid-state and solid-state amino acid organic fertilizer is further improved.

The invention provides an intelligent decision-making method and system for precise crop fertilization, and the method comprises the steps: dividing a crop planting region into a plurality of crop planting ranges, and carrying out the soil sampling, and constructing a soil fertility report, when the fertility is insufficient, real-time growth data corresponding to each crop is obtained, a crop growth knowledge graph of the crop planting area is constructed in combination with agronomic knowledge, the nutrition profit and loss state corresponding to each crop planting range is derived, and a fertilization decision scheme of the crop planting area is constructed and displayed in combination with a fertilizer list of a fertilizer library; a nutrient loss rule corresponding to each crop planting range is deduced according to real-time growth data and the crop growth knowledge graph, and a next fertilization period corresponding to each crop planting range is determined and timed, so that the fertilizer utilization rate is effectively improved, the planting cost is reduced, the crop yield is increased, agricultural non-point source pollution is reduced, and the crop yield is increased. And a reliable technical support is provided for precise planting and green development of modern agriculture.

This invention relates to the field of feed additive technology, specifically to a feed additive that promotes digestion and absorption and its preparation process. The preparation process of a feed additive that promotes digestion and absorption includes: preparing antioxidant-modified chicken fat; preparing an extract; preparing a composite oil phase; and preparing the feed additive. In this invention, the extract of Shenqu (a type of fermented wheat) can directly compensate for insufficient endogenous enzyme secretion in laying hens, rapidly decomposing starch in feed and chicken fat in plant proteins, laying the foundation for subsequent absorption. The extract of Zhishi (a type of immature bitter orange) accelerates gastrointestinal motility and digesta emptying, while also promoting bile and pancreatic juice secretion, further improving the digestibility and utilization rate of fat-soluble components in laying hens. The extract of pine pollen can repair the intestinal mucosa, increase intestinal villus height, increase the nutrient absorption area, and regulate the intestinal microecology, reducing nutrient loss and intestinal stress. The combined use of these three ingredients synergistically promotes the digestive and absorptive capacity of laying hens.

The application discloses a kind of biological plastic bag inside directional water and fertilizer conservation drought sandy land seedling transplanting and keeping alive method, by preparing thermoplastic biological material and processing formation biological plastic bag, using microorganism, bacteria has sensitivity to biological plastic bag and the characteristics of bag body and insoluble in water, it is placed in tree planting pit, mixed organic matter fertilizer, water retaining agent etc. to plant growth promoting substance, realize directional water and fertilizer conservation, guarantee seedling growth initial period required water and nutrient, after seedling root system can penetrate biological plastic bag and go down to the water layer in pit, biological plastic bag will also degrade naturally, at this time, no need artificial intervention.The application is suitable for haloxylon ammodendron, red willow, date palm tree and other various plants suitable for drought sandy land growth, can effectively solve the technical problems of low survival rate of drought sandy land seedling transplanting, water and nutrient loss fast, realize wind prevention and sand fixation, beautify environment, promote economic growth and the comprehensive benefits of grower income increase.