284results about How to "Reduce transpiration" patented technology

The invention provides a sugarcane sustained-release granular medicinal fertilizer comprising the components of, by mass: 0.01-3% of a pesticide, 20-50% of fertilizer effective components, 0.01-2% of trace element fertilizer effective components, 0.001-0.1% of beneficial element fertilizer effective components, 0.1-5% of a fertilizer sustained-release agent, and balance of a filling agent. The fertilizer effective components comprise N, P2O5, and K2O. The trace element fertilizer effective component comprises boron, zinc, manganese, molybdenum, copper and iron. The beneficial element fertilizer effective components comprise silicon and selenium. The sugarcane special-purposed sustained-release granular medicinal fertilizer provided by the invention can provide nutrients for sugarcane, and can control pests effectively. With the medicinal fertilizer, application effects of pesticide and fertilizer are improved, labor intensity is saved, and plantation cost is reduced.

A method for preventing or treating xerosis which comprises applying a prostaglandin D receptor selective agonist to a mammal.

The invention discloses an antitranspirant foliar fertilizer and a preparation method thereof. The antitranspirant foliar fertilizer comprises the raw materials of copper sulfate, ethylene diamine tetraacetic acid, monopotassium phosphate, zinc sulfate, ferrous sulphate, manganese sulphate, ammonium molybdate, composite rare earth, boric acid, sodium dodecyl sulphonate, urea, fulvic acid, hexanoic acid 2-(diethylamino) ethyl ester, compound amino acid, magnesium sulfate, calcium nitrate, ethylene diamine tetraacetic acid, microbial agent, azone and ammonia water. The antitranspirant foliar fertilizer provides nutrient elements and microbial agents which are required by the growth of plants, the rare earth and amino acid and other beneficial elements, can promote the growth of the plants, improve the yield, the quality, the stress resistance of the plants and the absorbing and operating capabilities on trace elements, simultaneously can effectively reduce the transpiration of the plants and is applied to afforesting in arid regions.

The dry-land planting agent refers to a kind of droughtresistance crop's nutrient specific to the growth of the plants. The invention is composed of the following components: AU absorber with super strength, carbamide, potassium dihydrogen phosphate, ammonium dibasic phosphate, calcium nitrate, bitter salt, ammonium molybdate, zinc sulfate, manganese sulfate, boracic acid or borax, ferrous sulphate, fulvic acid potassium, disodium edta, fatty alcohol polyethenoxy ether, 6- benzyl aminopurine, melissyl alcohol, potassium naphthylacetic acid, indolebutyric acid, gibberellin, santobrite, potassium sorbate, ketotriazole, penta azole alcohol., thiram, carbendazim, acid brilliant scarlet, humic acid, bluestone, potassium permanganate, potassium chloride, polyethylene glycol, bentonite or water. The invention is featured by sopping, molding moisture, molding fertilizer, withering resistance, disinsection, sterilization, strengthening the effects of the pesticide, accelerating the burgeon of the plants, increasing roots, innocuity, no pollution and low cost.

A drought-resistant cultivation method for fruit tree includes such steps as choosing the drought-resistant variety and stock, reasonable close planting, pruning, applying fertilizer, frequently deep ploughing, building terraced fields and scale pits, covering film, planting grass, water-saving irrigation and applying hydroscopic agent and vaporation resistant agent.

The invention relates to a long-acting fertilizer specially used for dry-farming sweet potatoes and a preparation method for the long-acting fertilizer. The fertilizer is granular and comprises three layers of structures, namely a fertilizer kernel, a wrapping film coating layer and a water-retaining agent coating layer in sequence from inside to outside. The kernel of the long-acting fertilizer specially used for the dry-farming sweet potatoes contains effective components such as a nitrogen fertilizer, a phosphorus fertilizer, a potassic fertilizer and a composite micro fertilizer which are specially suitable for the sweet potatoes; the wrapping film coating layer controls the speed of water entering a film and controls and regulates release of nutrition; the water-retaining agent coating layer can effectively retain water in soil and rainwater; lateral seepage runoff and water evaporation are alleviated, and front and middle-stage growth of the sweet potatoes is guaranteed. The preparation method for the fertilizer is implemented through one-time spraying; the technically occupied space is small, the equipment investment is small, the preparation process is simple and the energy consumption is low; the wrapping film material is low in cost, so that the price of the fertilizer is greatly reduced.

The invention discloses plant nutrient solution with high bioactivity, which is prepared by uniformly mixing, stirring and dissolving the following raw materials in percentage by weight: 8 to 12 percent of nitro-fulvic acid, 10 to 15 percent of chelating protein, 8 to 15 percent of nitrogen, phosphorus and potassium, 2 to 4 percent of microelement and rare earth, 0.8 to 1.0 percent of compound microbe and the balance of water. The nutrient solution has the advantages of having comprehensive nutrition, low molecular weight of oxides, high bioactivity, good water-solubility, strong anti-hard water capacity, high stability in natural environment, and difficult reduction when mixed with reductive substances, well promoting the growth of root system of the plant, helping the absorption of nutritive elements, stimulating the crop growth, improving the content of chlorophyll, promoting the crop photosynthesis, particularly properly controlling the opening degree of leaf stomas of crop, reducing moisture transpiration, increasing antivirus capacity of the crop, also strengthening drought resistance and resilience capacity of the crop, effectively improving the quality of farm products, and having remarkable output increasing effect.

The invention relates to a light, simple and efficiency cultivation method for cotton. Straw-like light seedling raising medium is filled in paper cylinder and pot or paper plug or nonwoven fabric bags for raising cotton seedlings, and mechanical sowing, transplanting and cotton harvesting can be performed. The light, simple and efficiency cultivation method has the characteristics of labor conservation, cost conservation, high yield and high efficiency, requires small investment, makes operation easy, avoids environment pollution and is a new method for large-scale cotton production with bright promotion and application prospects.

The invention relates to a method for transplanting cotton seedlings. The method comprises three steps of preparation of a matrix, sowing and transplanting sequentially. Step 1, cotton stalks, rape stalks, corn stalks, soybean stalks or wheat straws are crushed, added with a nitrogenous fertilizer, and mixed with human excrement or livestock and poultry manure bio-fertilizer or other fertilizers to obtain a mixture which is treated to obtain a prepared material, then the prepared material is sun-dried or baked, added with a fungicide and bagged for spare use; step 2, the prepared cotton stalk matrix or the matrixes prepared from other stalks are filled in a seedling raising aperture disk or flatly spread on a plastic film laid on the ground as a seedbed, seeds are sown, watered and covered with an agricultural film, and seedlings are raised under heat insulation condition; step 3, an antitranspirant and a rooting agent are applied before transplanting; the taken seedlings are bound, put in the watered rooting agent solution for root soaking, and then taken out and put in a watered gel containing a water retention agent to dip the roots; when in transplantation, the water retention agent is applied to planting furrows; after transplantation, the seedlings are covered with soil, and irrigated with adequate water for fixing the roots. The method is characterized by high seedling survival rate, stable effect, short rejuvenation period, low cost and environmental protection.

The invention discloses a multifunctional compound fertilizer additive and a preparation method thereof. The preparation method comprises the following steps: uniformly spraying a compound amino acid complex solution of trace elements containing Fe, B, Mn, Cu, Zn and Mo, rare earth elements containing Ce and La and beneficial mineral elements containing Ni, Co and Ti on grass carbon, brown coal or weathered coal powder, airing or drying, and then crushing to obtain a material A; preparing dicyandiamide used as a nitrification inhibitor into an ammonia solution to be adsorbed on carboxymethyl cellulose used as a water retention agent, airing or drying, and then crushing to obtain a material B; mixing cobalt sulfide and molybdenum sulfide which are used as nitrogen fixation catalysts with bean cakes or corn starch to obtain a material C; and uniformly mixing the material A, the material B and the material C to obtain the additive. The multifunctional compound fertilizer added with the additive of the invention has the advantages of fixing nitrogen, dissolving phosphorus, enriching soil, reducing nutrient loss, improving nutrient utilization ratio, improving crop enzyme activity, promoting metabolism, improving crop quality, increasing crop yield, retaining water, saving water, resisting drought, regulating buffering acidity or saline-alkali soil, and improving soil structure.

The invention provides a humic acid water-soluble fertilizer which comprises the following components (expressed in mass percent): 0.8 to 8.4% of potassium fulvicate, 5.6 to 21.4% of diammonium phosphate, 0.12 to 0.54% of ammonium molybdate, 0.125 to 0.575% of copper sulfate, 0.1 to 0.4% of ferrous sulfate, 0.8 to 3.6% of boric acid, 3.8 to 12.5% of potassium dihydrogen phosphate, 0.75 to 1.75% of zinc sulfate, 0.25 to 1.15% of manganese sulfate and 57.5 to 75.5% of water. According to the invention, fulvic acid and essential nutrients for plants are used as components of the fertilizer, plant nutrients are in a reasonable ratio, and the humic acid water-soluble fertilizer is characteristic of capacity of significantly promoting early maturity of and preventing premature senility of grain crops and economic crops like fruits and vegetables.

The invention discloses a tomato grafting method capable of improving the survival rate. The tomato grafting method comprises the steps of variety selecting, strong stock culturing, scion forming, grafting and managing after grafting. High-quality seeds are selected and sterilized, a strong stock and scion are cultured, a W-shaped staggered grafting way is adopted, the contact area is enlarged, the rigorous and scientific later period maintenance is conducted, the resistance of a plant is improved, the cell division is promoted, the wound healing is accelerated, and the grafted young plant can recover and grow quickly. The survival rate of the grafted tomato young plant cultured according to the grafting method reaches more than 98%.

The invention discloses a high-activity seaweed fertilizer specially used for peanuts and a preparation method thereof and belongs to the technical field of production of crop specially-used fertilizers. The high-activity seaweed fertilizer is prepared from following raw materials comprising: urea, monoammonium phosphate, a calcium magnesium phosphate fertilizer, potassium sulfate, borax, EDTA chelating iron, EDTA chelating manganese, EDTA chelating zinc, ammonium heptamolybdate, a seaweed extraction liquid and seaweed residues. Compared with a fertilizer in the prior art, the high-activity seaweed fertilizer specially used for the peanuts is reasonable in formula, is complete in nutrition, can achieve an effect of increasing yield of the peanuts and improving quality of the peanuts.

The invention provides an ecological nutritional compound fertilizer which comprises the following raw materials by weight parts: 0.1-0.5 parts of dicyandiamide, 0.3-0.8 parts of hydroquinone, 10-30 parts of melocol, 10-30 parts of urea, 15-30 parts of ammonium polyphosphate, 10-40 parts of potassium polyphosphates, 0.1-0.5 parts of polypeptide, 0.1-7.5 parts of medium trace elements and 0.2-0.5 parts of plant probiotics. The compound fertilizer is especially suitable for the crops with long growth period; the compound fertilizer, which is applied for one time, can meet the requirement of the whole growth period of the crops; the use ratio of the fertilizer is high; the quality of agricultural products is increased; the dosage of pesticides is reduced; and the commodity value of the agricultural products is increased. After the compound fertilizer is applied, the soil hardening is reduced, the soil is fertile, the soil physical properties are improved, the growth of the crops is boosted, the water evaporation is reduced, the root growth is boosted, the drought resistance of the crops is enhanced, the output of crops is increased and the quality of the crops is improved.

The invention provides a fruit fresh keeping agent. The fruit fresh keeping agent is prepared from fresh keepingcompounds, latic acid, chitosan, carnosol or rosmanol, a colloid film former, sodium carboxymethylcellulose, aloe gel powder, cinnamic acid, citric acid, glycerin and the like, wherein the fresh keeping compounds comprise glycine betaine, resveratrol, vitamin C, bacterium resistant plantflavone and the like. The fruit fresh keeping agent forms an inner-outer double-layer water gel during use, the inner-layer water gel includes antioxidation antibacteria fresh keeping components, andthe outer-layer water gel isolates air from the inner-layer water gel. Combination of the inner-layer water gel and the outer-layer water gel has double effects on fruits and effectively prolongs thestorage period of the fruits.

The invention provides a method for transplanting a big tree. A rain-proof plastic cloth with color strips is used for wrapping the soil ball of the big tree after the tree 7 is dug out; a tree pit provided with a water-filtering layer 1, a soil-separating layer 2, a magnetic-field generating device 3, nutrient planting soil 4 and a pipe for water drainage and fertilization is constructed; a nutrient solution containing monopotassium phosphate and chitosan is instilled into the trunk of the big tree; a water-holding plant growth regulator containing chitosan and carbamide is sprayed on the big tree; and the water-filtering layer 1 lies above raw soil of the tree pit. The method guarantees the successive transplanting of big trees with significantly reduced pruning.

The invention relates to an inorganic-organic nutritional soil improver which is characterized by being prepared from the following raw materials in percentage by weight: 50-80% of attapulgite clay, 10-30% of an active humic acid organic fertilizer, 2-8% of hydrolyzed polyacrylonitrile ammonium salt, 2-8% of potassium polyacrylate, 1-5% of Nanmu powder and 1-5% of sodium hexametaphosphate. The soil improver provided by the invention can be suitable for same soil texture or same power of hydrogen of different soils such as sandy soil, clayey soil and loam, so that not only can the volume of soil and the total porosity inside the soil be effectively reduced, but also the granular structure of the soil can be further remarkably improved. The soil improver has a certain adsorption effect to moisture and fertilizer in the soil, so that evaporation of water and the loss of the fertilizer in quantity are alleviated, the production cost is low and the application rate is small.

The invention discloses an amino calcium compound fertilizer and a manufacture method thereof; a finished product is manufactured by mixing raw material, zeolite, with carbamide, monoammonium phosphate and agricultural lemery after the zeolite is crashed; then feeding the mixture into a liquid melt storage slot; adding self-produced compound amino complex compound mixture after melting, fully and uniformly stirring the mixture, using a rotary nozzle pelletizer to pelletize; dropping spherical materials after pelleting in a prilling tower, drying and cooling the spherical materials by the air in the tower, and then carrying out sieving, measuring and packaging. The technique of the invention is simple, the manufacture cost is low and the prepared amino calcium compound fertilizer has the following advantages of: stimulating the plants to grow and improving crop output; upgrading crop quality and increasing the contents of protein, vitamin and sugar; having the effect of pesticide, reducing pesticide amount and reducing pesticide remnant amount; improving soil environment and promoting fertilizer soil productivity; improving and activating the soil; adjusting the vital movements of the plants and enhancing crop resilience such as drought resistance, cold resistance and lodging resistance, etc.; besides, the fertilizing cost is low, the ratio of output to input is high and economic benefit is good.

The invention discloses a special water-retaining and synergistic seaweed fertilizer rich in medium trace elements for chilli. The special water-retaining and synergistic seaweed fertilizer comprises the following raw materials in parts by weight: 100-360 parts of seaweed extract, 100-360 parts of ammonium nitrate phosphate, 100-380 parts of urea, 100-450 parts of monopotassium phosphate, 0-100 parts of calcium-magnesium phosphate fertilizer, 0-60 parts of EDTA chelated trace elements, 0-30 parts of biological synergist and 5-300 parts of filler. The special water-retaining and synergistic seaweed fertilizer disclosed by the invention is capable of promoting the root development of chilli, enhancing the disease-resistant capacity of the roots, stems and leaves of crops, increasing the content of chlorophyll, increasing the efficiency of photosynthesis, improving the photosynthesis of the crops, and increasing the activity of enzymes because an appropriate amount of trace elements necessary to the growth of chilli, and alginic acid are added; and meanwhile, absorption and utilization for the nutrients and water of soil are improved, the yield is greatly increased, and the quality is improved.

The invention relates to a beautiful millettia root seed scaled seedling-growing method which comprises seed pre-treatment, accelerating germination, cup filling, seedling-growing and transplanting, wherein the accelerating germination is carried out in a sand bed and the sand bed is prepared by pouring river sand with different mesh numbers which are uniformly mixed according to weight parts into a seedbed to be leveled and disinfected; the cup filling comprises filling a nutritional cup with beautiful millettia root seeds exposing white after accelerating germination, wherein the nutritional cup comprises a cylindrical cup body which is opened at the upper end and is provided with a plurality of square holes at the lower end and a repeatedly used cup tray located below the cup body for supporting the cup body. The beautiful millettia root seed scaled seedling-growing method provided by the invention has the advantages of being neat in germination, robust in seedling, high in seedling success rate, short in seedling time, low in seedling cost and the like.

The invention discloses a method for covering a dry-land apple grove with a black and white microporous membrane for rainwater harvesting and drip irrigation, and belongs to the technical field of fruit growing. According to the method, the membrane covering technology and the rainwater harvesting and drip irrigation technology are reasonably improved, the black and white membrane replaces part of black mulching membranes, laser punching is properly carried out on the black and white membrane, the ventilation property is improved, the water absorption and the fertilizer absorption capability of a root system are enhanced, the warming effect is improved, the white face is upward to reflect part of sunshine, the too high temperature of soil around the fruit trees cannot affect the alimentation of the root system, the membrane covering fertilizer escaping condition is reduced, the fertilizer efficiency plays a role in a durable and balanced mode, a rainwater harvesting and drip irrigation system is obviously enhanced, a black membrane and a rainwater harvesting sheet are arranged in a rainwater harvesting ditch and on an operation way respectively to reduce leakage, and water and soil losses of the apple grove and sedimentation in an impounding reservoir are reduced. The membrane covering drop irrigation method can achieve zero tillage and weed killing, manpower investment is reduced, the cost of the apple grove is reduced, both production and income are increased, apples are promoted to be in the market as soon as possible, and the income of orchard workers is improved.

A nutrient solution for rejuvenating trees in gardens is a nutrient solution, containing macroelements, trace elements, organic substances, physiologically active substances and exogenous hormones required for the growth of plants, prepared from ammonium nitrate, potassium nitrate, urea, magnesium sulfate heptahydrate, potassium dihydrogen phosphate, calcium nitrate, calcium chloride dihydrate, sucrose, ferrous sulfate heptahydrate, disodium ethylenediaminetetraacetate, zinc sulfate, copper sulfate, manganese sulfate tetrahydrate, sodium chloride, boric acid, vitamin A, vitamin C, vitamin B1,vitamin B6, humic acid, naphthaleneacetic acid, indolebutyric acid, 6-benzyladenine and gibberellin. The nutrient solution for rejuvenating trees in gardens can improve the survival rate of transplanted trees and promote and accelerate the self-recovering ability of nursery plants in order to make the nursery plants reach an expected landscape effect. The nutrient solution has a good rejuvenatingeffect on famous and old trees planted for many years and having poor growth vigor, and can enhance the resistance, break the dormancy, promote the germination of new shoots and new sprouts and delayaging.

The invention discloses a riverway rigidity revetment ecologicalization method. The problem that the daily drainage effect of riverways is weakened when ecological restoration boxes are mounted on revetments is solved. According to the technical scheme, the method mainly comprises the steps that cleaning is conducted; a plurality of parting stops are laid on a slope bank section through cement and divide the slope bank section into a plurality of unit blocks; porous concrete is prepared, a plurality of porous concrete hanging plates are laid, and vine plants are planted on the porous concrete hanging plates; the porous concrete hanging plates are mounted between the two parting stops, located at the joint with a vertical bank section, of the slope bank section; a climbing net is arranged on the vertical bank section, and ends of the vine plants are bonded to the climbing net through cotton ropes; and the unit blocks are backfilled with nutrient soil, herbaceous plants and suffruticosa plants are planted, and the original riverway drainage effect is maintained while rigidity revetment ecologicalization is achieved.

The invention relates to a modern agricultural planting technology and in particular to a method for planting spinaches in an artificial light type plant factory. According to the method for planting the spinaches in the artificial light type plant factory, high-quality spinaches are highly efficiently obtained via synergistic effects of synergizing the light quality, light intensity, light period at each growth stage with environmental factors, such as temperature, humidity and fertilizers , based on the growth habits of the spinaches. In the method for planting the spinaches in the artificial light type plant factory, the growth habits of the spinaches are fully utilized, not only are leaf areas, fresh weight and plant height of the spinaches increased, but also the content of protein in the spinaches is increased, so that the spinaches are high in nutritional value, the content of tannin in the spinaches is increased, the astringency of the spinaches during eating is effectively reduced, and the content of nitrate in the spinaches is also reduced; furthermore, influence of seasons on spinach planting is avoided, and the method for planting the spinaches in the artificial light type plant factory is significant to large-scale indoor production of edible spinaches.

The invention relates to a rapid propagating method of Chinese tamarisk seedlings in summer, which comprises the following steps: (1) selecting Chinese tamarisk branches which are not completely lignified in the year, and scissoring into cuttage branches; (2) cutting the cuttage branches into a nutrition pot holding sand soil, and placing in a greenhouse nursery, wherein the temperature inside the greenhouse nursery is 20-30 DEG C; (3) carrying out water spraying treatment on the cuttage branches to keep the leaf surface wet; and (4) domesticating the seedlings 10-20 d before the seedlings leave the nursery to obtain the Chinese tamarisk seedlings. By adopting the method provided by the invention, rapid propagation of Chinese tamarisk seedlings from June to September can be realized, and the Chinese tamarisk branches which are not completely lignified are used as cuttage branches, so that the survival rate is high and the propagation rate is high.

The invention relates to a method for building a mulberry garden in the summer. The method comprises the following steps: the root system treatment for seeding mulberry seedlings, the grafting for the seeding mulberry seedlings, the anticorrosion treatment and hotbed protection for the grafted bodies, preparing nutrient earth balls for the grafted bodies, the seedling raising for the grafted bodies, the fixed planting of the mulberry seedlings, and the like. The rootone specially for the mulberry is used to carry out the root system treatment on the seeding mulberry seedlings so as to improve the root initiation capability of fibrous roots. The lower half of each grafted body parent stock is immersed in an anticorrosion solution; and anticorrosion powder is used for the anticorrosion treatment of the top of each grafted body scion so as to reduce the phenomena of root decomposition and rotted scion buds. The nutrient earth balls prepared for the root of each grafted body can promote the rootage, convey nutrients and water content, and have the function of corrosion protection, thereby ensuring the survival rate above 90 percent, and improving the mulberry leaf yield and silkworm breeding benefits. The method has the advantages of short period, low cost, quick effects, high survival rate and little risk. Effects can be taken in the same year when the method is put into production. The method has the high yield and high efficiency, and deserves universal generalization.

The invention discloses a Songnen plain saline-alkali soil comprehensive improvement method. The method includes: fully mixing stripped and smashed Songnen plain saline-alkali soil to be improved, sand, turf, organic fertilizers, and desulfurization gypsum, wherein the volume ratio of the Songnen plain saline-alkali soil is 65-75, the volume ratio of the sand is 20-30, the volume ratio of the turf is 15-20, the volume ratio of the organic fertilizers is 3-6, and the volume ratio of the desulfurization gypsum is 0.06-0.15; backfilling the mixed Songnen plain saline-alkali soil, and watering the Songnen plain saline-alkali soil for more than two times to obtain the improved Songnen plain saline-alkali soil. The method reduces poison of saline and alkali to plants, provides an acid-base buffer effect, improves organic content of the saline-alkali soil, suppresses aggregation of salt on surface soil, and provides nitrogen phosphorus and potassium nutrients required by the plants; and in addition, the sand can improve the structure of the saline-alkali soil, enhance the permeability of soil, and facilitate leaching of saline and alkali.

The invention discloses a production method of a high-activity medium element fertilizer. In the production method, activity of each element in a silicon calcium magnesium potassium fertilizer is activated by using a technology of quenching after mixed particles of dolomite and potassium feldspar are calcined at a high temperature; content of silicon calcium magnesium potassium and microelements in the fertilizer is increased by adding Lingshi compact grey gypsum full of regional character and humic acid; a total content of the elements of silicon calcium magnesium and potassium exceeds 60%; and the fertilizer which has the highest content of silicon calcium magnesium and potassium and the most comprehensive nutrition on the market is prepared. The f high-activity medium element fertilizer produced by the production method is a nutrition fertilizer, an adjustment fertilizer and a health-care fertilizer. Excerpt for providing the own nutrition elements of the fertilizer to plants, the fertilizer has the effects of improving soil structure, improving crop quality, promoting root-taking, promoting photosynthesis, and enhancing capacities of drought resistance, dry-hot wind resistance, cold resistance, low temperature resistance and disease and pest resistance of the crops.

The invention discloses an inoculation method of desert alga artificial biological crusts for sand stabilization. The method comprises the steps that 1, sodium alginate is dissolved in water to form a sticky solution with the mass fraction of 1%-5%; 2, desert algae are cultivated and then collected until the biomass of the desert algae exceeds 0.2 g per liter culture, and alga slurry is obtained after supernatant is removed; 3, the corresponding alga slurry and sodium alginate are mixed according to different inoculation areas, and inoculation is performed after the alga slurry and the sodium alginate are mixed evenly; 4, the inoculated artificial crusts are conventionally maintained according to the water content of a sand bed, the inoculated artificial crusts are maintained when the water content of the sand bed is lower than 20 percent, and the maintenance time does not exceed 15 days. The method is feasible and easy and convenient to operate; physical-biological mixed crusts can be formed at the beginning of inoculation of the desert algae, the mature biological crusts are formed when the desert algae in the crusts grow and develop to a certain extent, and the fixing effect of the artificial crusts on sandy soil is greatly accelerated.

There is provided a novel anti-wrinkle composition comprising one or more from among watercress, juniper, baizhu and coltsfoot extracts as active ingredients.