247results about How to "Drain control" patented technology

A wireless device that automatically forms a connection to a remote device in accordance with a peer-to-peer protocol. The remote device may be designated as an auto-connect device for the wireless device such that, when the wireless device determines that it is in the vicinity of the auto-connect device, it can re-form a connection to the remote device based on stored information for re-establishing connections among a persistent group of devices, but without any express user input. When a user requests that the wireless device perform a function that involves interaction with an auto-connect device, that function may be performed with the delay associated with forming a connection. Any of multiple techniques may be employed for identifying devices designated as auto-connect devices and for determining when the wireless device and a remote, auto-connect devices are in close proximity.

The invention relates to green rice cultivation production, in particular to a special fertilizer for green rice production, and preparation and application methods thereof. The fertilizer consists of urea-based nitrogen fertilizer, phosphorus fertilizer, potash fertilizer, medium elements and micro elements, and is prepared by the following steps: selecting solid fertilizer raw materials which may be solid particles or powder, adding the medium elements into humic acid or a humic acid salt in an amount which is 60 to 100 percent based on the mass of the medium elements, mixing, adding the micro elements, mixing and granulating by using a binder; and mixing the granulated medium and micro elements with the urea-based nitrogen fertilizer, phosphorus fertilizer and potash fertilizer. The rice fertilizer is applied once before the transplantation of rice as a base fertilizer, and top application is not required in the growth period of the rice. In the fertilizer provided by the invention, the amount and proportion in different release periods of the urea-based nitrogen fertilizer are determined in strict accordance with the nitrogen fertilizer demand characteristic of rice in different growth periods to form a five-stage supply speed for fertilizer nitrogen, and thus, the loss of nitrogen fertilizer is controlled obviously.

A wireless device that automatically forms a connection to a remote device in accordance with a peer-to-peer protocol. The remote device may be designated as an auto-connect device for the wireless device such that, when the wireless device determines that it is in the vicinity of the auto-connect device, it can re-form a connection to the remote device based on stored information for re-establishing connections among a persistent group of devices, but without any express user input. When a user requests that the wireless device perform a function that involves interaction with an auto-connect device, that function may be performed with the delay associated with forming a connection. Any of multiple techniques may be employed for identifying devices designated as auto-connect devices and for determining when the wireless device and a remote, auto-connect devices are in close proximity.

The invention relates to spring maize cultivation, in particular to a dedicated fertilizer for producing green corn and a preparation and an application method thereof.The fertilizer is composed of urine-based nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, medium elements and trace elements; in the preparation method, the solid raw materials with a grain size of 1.5-4.5mm are selected; then the medium elements are added to humic acid or humic acid salt accounting for 60-100% of the mass percent of the medium elements to be mixed; afterwards, trace elements are added and mixed with the mixture, cementing agent is used for pelleting and producing solid raw materials with a grain size of 1.5-4.5mm for standby use; finally, the medium elements and trace elements mixed for pelleting are uniformly mixed with the urine-based nitrogenous fertilizer, phosphate fertilizer and potash fertilizer.The dedicated corn fertilizer is applied to the corn spring sowing as base fertilizer at one time and no after manuring is not needed.The use level of the urea-based nitrogenous fertilizer in the fertilizer of the invention proportion of the urea-based nitrogenous fertilizer in different release periods are set with proportion of the urea-based nitrogenous fertilizer in different release periods according to fertilizer-demanding characteristics on the nitrogenous fertilizer by the corn in different growth periods to form 4-level supply speed of the fertilizer nitrogen, thus remarkably controlling loss of nitrogenous fertilizer.

The invention relates to a method for governing a red soil strongly-eroded slope. The method comprises the following steps that (1) horizontal furrow groups are dug in a red soil strongly-eroded slope surface along all contour lines, each horizontal furrow group comprises multiple horizontal furrows, and the cross section of each horizontal furrow is trapezoid; (2) planting holes are dug between two adjacent horizontal furrows in the same horizontal furrow group, and the cross section of each planting hole is trapezoid; (3) shrubs and grass are planted in the horizontal furrows, and grass is planted in the planting holes; (4) shallow furrows are dug in the same horizontal furrow group, and water and soil conservation grass seeds are evenly sowed in the shallow furrows to form horizontal grass band chains; (5) after the environment of the strongly-eroded slope is improved one year later, trees are then planted in the horizontal furrows and the planting holes. The method is applied to water and soil loss governance and governance of ecological environment of vegetation recovery of the red soil strongly-eroded slope, water storage and soil protection performance of the slope is increased, the ecological environment good for the vegetation recovery is created, and the governance effect of a red soil strongly-eroded area is improved.

According to the invention, by using dredged sediment from water body such as eutrophicated rivers and lakes as the aggregate, plant straws, plant ash, ordinary portland cement, an organic fertilizer, a release fertilizer, a water-retaining agent and the like are added into the dredged sediment with uniformly stirring to form the bare slope plant adaptability matrix with certain adhesive performance. By employing the wet-type guniting technology for two-layer matrix guniting, the plant adaptability matrix is used for the plant restoration of bare mountain slope and can form a new plant cover layer in a short period. The dredged sediment is used as the matrix to control the loss of water and soil, thus minimizing the dependence on the clay resource and the restoration cost in slope restoration and solving the issue of dredged sediment treatment by the resource mode; and furthermore, the restoration method provided by the invention has high environmental, ecological and economic benefits.

The invention provides a light porous roof greening planting block used on a roof greening planting layer and a manufacturing method thereof. The roof greening planting block consists of aggregates, cement soil, an organic matter, a slow release fertilizer, water and plants. The structure of a planting block structure molded by a brick molding machine or a brickwork molding machine is similar to a porous concrete structure. The manufacturing method comprises the following steps: material preparation, stirring, molding, seeding or sticking and culturing. The product provided by the invention has the advantages of light weight and multihole and can realize large-scale industrial production. The light porous roof greening planting block can quickly green a roof, is simple in construction and low in price, and is an ideal roof greening planting layer material. The method provided by the invention can be easily implemented by the traditional mechanical equipment.

A method for controlling the rock desert zone by use of bryophyte and dendrobe includes such steps as collecting wild bryophyte, stretching to decrease its thickness to 1-2 mm, dividing it into squares (1-100 sq.mm), reproducing in hothouse for 1-2 months, culturing the dendrobe seedlings in hothouse, stretching the reproduced bryophyte to decrease its thickness to 1-2 mm, dividing it into squares (1-100 sq.mm), transplanting the bryophyte on the surface of bare rock, and transplanting the dendrobe seedlings in said bryophyte layer.

The invention relates to a double cropping rice nitrogen-saving high-yield production method. A double cropping rice planting region is selected; 15 to 30 days before late rice is harvested, astragalus sinicus planting is carried out; after the late rice is harvested, ditching is carried out according to an astragalus sinicus planting technology; 30 to 50kg of calcium magnesium phosphate fertilizer is applied per mu; 1 to 2kg of potassium chloride used as a base fertilizer is applied per mu; 10 to 15 days before early rice is transplanted, dry tillage and plowing pressing are carried out; land preparation is carried out according to the early rice planting requirements; azolla is bred; and after shoal water of field water, which has a height of 1.5 to 3.5cm, is kept for 8 to 10 days, the base fertilizer is applied to carry out early rice transplanting. During growth of the early rice and the late rice, duckweed utilization is naturally carried out; before the late rice is transplanted, a sustained-release nitrogen fertilizer is applied in one step as the base fertilizer; and on mid-to-late September in the next year, circulation operation of farming of planting astragalus sinicus green manure crops and the like is carried out. According to the invention, astragalus sinicus green manure is planted during the slack winter season of double cropping rice planting, the azolla is bred during growth of rice, the rice special sustained-release nitrogen fertilizer is applied to the late rice in a decreasing manner, the astragalus sinicus and the azolla are utilized to fix nitrogen and adsorb carbon, the land is maintained by the land, organic materials and an organic nitrogen source are provided for rice, nutritive substances in the double cropping rice field, which are easy to loss, are adsorbed, non-point source pollution is reduced and fertilizer supply and the fertilizer requirement of rice are coordinated and consistent.

The invention discloses a method for jointly repairing vegetation and application thereof. The method comprises the steps of: (1) planting shrubs; (2) covering soil, and sowing seedlings of resistant herbaceous plants or planting seedlings of herbaceous plants; and (3) sowing moss. The method has low cost and remarkable effect, can avoid or control the pollution of heavy metal, can avoid and fix sands or conserve water and soil, and plays an important part in protecting environment.

The invention discloses a method of cyclic sustainable vegetation recovery for a waste dump of a grassland mining area. Surface soil and subsoil need to be treated respectively in piling of earth and rock in the waste dump, and the subsoil, stone blocks and the like are piled at the foundation position of a slope; the surface soil is piled independently and used at the necessary position on the slope; the slope of the waste dump is divided into a slope top treatment area, an abrupt-slope treatment area, a medium-slope treatment area and a gentle-slope treatment area according to the gradient of the slope; different plants are planted in the treatment areas, and the treatment areas are covered with meshed coverings of different light transmittances; a rainwater collection system is designed in each treatment area to drain, collect and reuse the rainwater on the slope; plant breeding bases are established around the waste dump; the rainwater collected by the rainwater collection systemsis mainly used for irrigating and breeding plants in the bases, and plant seeds for slope treatment are mainly from the breeding bases. By the method, soil can be improved and soil and water loss canbe controlled effectively. The method has bright application prospect and popularization value for semi-arid grassland areas.

The invention discloses a method for preparing a monolithic catalyst for the purification of diesel exhaust, which is to synthesize metal active ingredients and SAPO-34 molecular sieves directly by an assisted hydrothermal synthesis method and load the metal active ingredients and the SAPO-34 molecular sieves on honeycomb carriers. The method comprises the following steps of: treating cordierite honeycomb ceramic carriers with a dilute nitric acid, eluting the mixture with distilled water and drying the mixture; adding a metal oxide into a phosphoric acid, stirring the solution to dissolve the metal oxide, adding an aluminum source, a silicon source and organic template into the solution and stirring the solution to obtain the mother liquor of molecular sieves; putting the cordierite honeycomb ceramic carriers and the mother liquor of molecular sieves in a reaction kettle for hydrothermal synthesis; rinsing and drying the mixture after crystallization; and preparing the catalyst by roasting crystals in an oxygen-containing atmosphere. Compared with the conventional methods for preparing catalysts, the method of the invention has a simple preparation process and can accurately control the content of the metal active ingredients. The prepared monolithic catalyst has high NOx removal activity and high recycling stability.

The invention discloses a water-saving fertilizing method for wheat. The water-saving fertilizing method comprises the steps that 1 seeding is conducted before winter, and land is arranged into strip-shaped farmland before the seeding is conducted; seeding is conducted, a fertilizing groove is arranged in the middle position of two adjacent rows, the fertilizing groove is divided into two types, namely a deep groove and a shallow groove, the deep groove and the shallow groove are arranged at an interval, and then fertilizing is conducted; after the fertilizing is conducted, fertilizer is covered with straw or straw fermentation materials; 2 when the wheat is in a period from a jointing stage to booting stage, one-time irrigating is conducted, by adopting the mode that irrigating is limited in quantity and conducted on separated farmland, the two adjacent farmland is irrigated with 35-45 mm water and 15-25 mm of water respectively; 3 when the wheat is in a grain filling stage, by adopting the mode that the irrigating is limited in quantity and conducted on separated farmland, the water irrigating amount of the two adjacent farmland is exchanged with irrigating last time. According to the water-saving fertilizing method for the wheat, the fertilizing method is scientific and reasonable, the use ratio of the fertilizer is effectively improved, the labor intensity of fertilizing is relieved, the water used for irrigating is effectively used, the water resources are saved, the important economic significance and social significance are achieved, and the method is worth using and popularizing.

The invention relates to efficient chemical fertilizers, in particular to an efficient slow-release bulk-blending (BB) fertilizer and a preparation and application method thereof. The efficient slow-release BB fertilizer is composed of urea nitrogen fertilizers, phosphatic fertilizers, potash fertilizers, secondary nutrient elements required by plants and trace nutrient elements required by the plants. Measured according to urea pure nitrogen amount of the urea nitrogen fertilizers, urea nitrogen fertilizer amount are 40-46.3% of the pure nitrogen amount, phosphatic fertilizer amount is 30-90% of the pure nitrogen amount, the potash fertilizer amount is 45-100% of the pure nitrogen amount, secondary nutrient elements comprise calcium taking up 10-45% of the pure nitrogen amount and magnesium occupying 5-35% of the pure nitrogen amount, and the trace nutrient elements comprise ferrum occupying 0.1-5% of the pure nitrogen amount, copper occupying 0.1-3% of the pure nitrogen amount, manganese occupying 0.5-3% of the pure nitrogen amount, zinc occupying 0.1-2% of the pure nitrogen amount, boron occupying 0.05-2% of the pure nitrogen amount and molybdenum occupying 0.01-2% of the pure nitrogen amount. Nitrogen fertilizer dosage and proportion of the efficient slow-release BB fertilizer are set fully according to fertilizer requiring characteristics to nitrogen of the plants at different growth periods, continuous supplying of the fertilizer nitrogen is guaranteed, and loss of a nitrogen fertilizer is controlled remarkably.

The invention relates to a heteropolyacid or heteropolyacid salt and microporous coordination polymer composite material and a preparation method thereof. The preparation method is characterized by comprising the following steps: a first step of dissolving zirconium salt in a mixed solvent of a modifier and a solvent to form a settled solution while stirring at the normal temperature and under the normal pressure; a step 2 of adding the settled solution obtained in the first step into an organic ligand until the settled solution is dissolved; a third step of adding heteropolyacid or heteropolyacid salt into the settled solution obtained in the second step to prepare a mixed solution and enabling the mixed solution to react to obtain the heteropolyacid or heteropolyacid salt and zirconium-based microporous coordination polymer composite material, wherein by calculating according to the added zirconium salt, the yield of the heteropolyacid or heteropolyacid salt and microporous coordination polymer composite material is 85-93 percent.

The invention discloses a fermentation composite fertilizer suitable for greenhouse vegetable planting and a preparation method thereof, belonging to composite fertilizers, and particularly relating to an organic fertilizer with addition of bacterial cultures. The fermentation composite fertilizer is characterized by being prepared through aerobic fermentation of microbial inoculum by taking alcohol anaerobic tank mud as a main raw material; and the fermentation composite fertilizer comprises the following raw materials in weight fraction: 680-810 the alcohol anaerobic tank mud with water content of 50-55wt%, 10-15 coal ash, 60-70 coal dust, 50-60 phosphor gypsum, 3-5 potassium chloride or potassium sulfate, 9-11 urea, 45-55 ground phosphate roc, 1.5-2 streptomyces microflavus and 1.5-2 multi-element composite enzyme microbial inoculum. The invention provides the resource-saving and environment-friendliness type biological organic fertilizer which can be used for increasing vegetable quality, improving soil, supplying balanced fertilizer, controlling loss of inorganic fertilizer, protecting the environment, ensuring that vegetable products reach a green food standard and carbon-sourced substances and microbial bacteria in the organic fertilizer achieve the effects of physiological stimulation and metabolism reinforcement for crops. In addition, the organic fertilizer has complete nutrition.

The invention relates to a plant coil for ecological restorations of engineering slopes, aiming to solve the technical problem that the existing plant coil has the disadvantages that vegetation soil is prone to massive loss, landslides happen easily and the like. The plant coil comprises an irradiation reflection layer, two temperature regulation blocks, a light ray resistance control layer, a field planting layer, a field planting layer stabilizing layer, two moisture barriers, a seed pile, seed germination holes and moisture closure slots, the field planting layer stabilizing layer is arranged on the bottom surface of the plant coil, the field planting layer is arranged on the upper surface of the field planting layer stabilizing layer, the light ray resistance control layer is arranged on the top of the field planting layer, the first moisture barrier, the first temperature regulation block, the seed pile, the second moisture barrier and the second temperature regulation block are arranged on the top of the light tray resistance control layer in sequence, and the irradiation reflection layer is arranged over the first moisture barrier, the first temperature regulation block, the seed pile, the second moisture barrier and the second temperature regulation block.

The invention provides an A / B sirospun bunchy yarn blended with cotton fiber, viscose fiber and polyester fiber and blending technology, and the A / B sirospun bunchy yarn comprises 55+ / -1% cotton fiber, 10+ / -1% viscose fiber, and polyester fiber as the balance; the A / B sirospun bunchy yarn blending technology comprises the steps of obtaining a cotton fiber pre-merging strip by cotton fiber series operations; obtaining a viscose fiber pre-merging strip by viscose fiber series operations; processing the cotton fiber pre-merging strip and the viscose fiber pre-merging strip to produce an A rove; producing a B rove by polyester fiber series operations; feeding the A rove and the B rove into a spinning machine at the same time, and producing the A / B sirospun bunchy yarn through a CCZ-8 fancy yarn apparatus. According to the invention, the problems of unstable blending proportion, severe fiber loss, crosspiece caused by single dying or double dying are solved; and the product quality and class are raised greatly.

The invention discloses a composite desertification control method which comprises mixedly sowing annual herb tree species and perennial shrub species in the floating sand lands. In the invention, by mixedly sowing herb and shrub species in the floating sand lands, when the annual herbs wither to death, the overground deadwood and the underground root systems can retain for around 1 to 2 years and have good windbreak and sand-fixing effects, thus providing plant sand barriers for the shrubs which grow slowly and ensuring that the shrubs can grow rapidly in the second year. The composite sand consolidation structure featuring difference in growth time can effectively control soil drifting and desertification and soil erosion, reduce cost and improve desertification control efficiency dramatically.

The invention discloses a novel three-dimensional compound planting method for an ecological tea garden. Overshadowing trees are planted suitably to reach a shading coefficient of 20 to 30 percent on the two sides of a road of the tea garden and around the tea garden. Green manure is planted between rows and in open spaces of the tea garden. Poultries are stocked, and stocking density is 50 to 100 chickens per mu. A balance relationship between the natural environment and animals, plants and microorganisms is used for the symbiotic cooperation of many kinds of animals and plants and the contradictive and supplemental balance of many kinds of insects in a food chain to realize the virtuous circle of a biologic chain. Energy and substances such as soil productivity, sunlight and water are fully used for realizing a multilevel green protection ecosystem, controlling water and soil loss, preventing pest and disease damage, preventing the use of chemical pesticides in the tea garden, solving the problem of pesticide residues on tealeaves and ensuring the yield and quality of the tealeaves.

The invention provides a controlled-release formula fertilizer, a preparation method and application thereof. The controlled-release formula fertilizer comprises more than two controlled-release fertilizers with different release periods and at least one quick-acting chemical fertilizer. Supply of the fertilizer is coordinated with the fertilizer requirement rule of plants.

The invention discloses a CuCo bimetal organic framework composite sulfur material capable of serving as a lithium-sulfur battery cathode material. Cu atoms not completely coordinated and polar Co atoms are alternately arranged in different ratios and are coordinated with an organic ligand to form a polyhedral MOF (metal oxide framework) structure; sulfur and its reaction product polysulfide are present in pores of the MOF structure and are sucked by different active sites provided by the pores and the two types of metal atoms; the MOF structure helps well suck sulfur into the pores of the MOFstructure, and high loss due to carbonization temperature and reaction is avoided. The invention also provides a preparation method of the CuCo bimetal organic framework composite sulfur material; the problems are solved that capacity of a lithium-sulfur battery attenuates too fast during charging and discharging and a cathode material experiences unstable structure due to volume expansion; the preparation method is simple; the materials are easy to attain; the problem that the capacity of a lithium-sulfur battery attenuates too fast can be solved; the development of the lithium-sulfur battery is greatly accelerated; the material herein has great research value and commercial value.

The invention relates to nanguo pear cultivation, in particular to a dedicated fertilizer for producing green nanguo pear and a preparation and an application method thereof.The fertilizer is composed of urine-based nitrogenous fertilizer, phosphate fertilizer, potash fertilizer, medium elements and trace elements; in the preparation method, the urea-based nitrogenous fertilizer, phosphate fertilizer and potash fertilizer with a grain size of 1.5-4.5mm serve as solid raw materials; then the medium elements are added to humic acid or humic acid salt accounting for 60-100% of the mass percent of the medium elements to be mixed; afterwards, trace elements are added and mixed with the mixture, cementing agent is used for pelleting and producing solid raw materials with a grain size of 1.5-4.5mm for standby use; finally, the medium elements and trace elements mixed for pelleting are uniformly mixed with the urine-based nitrogenous fertilizer, phosphate fertilizer and potash fertilizer.The dedicated fertilizer is applied to the nanguo pear trees as spring base fertilizer at one time and no after manuring is not needed.The nitrogenous fertilizer use level in the fertilizer of the invention and different number of nanguo pear fruit indexes with proportion fully following nanguo pear of different tree ages form five-level supply speed of fertilizer nitrogen, thus remarkably controlling loss of nitrogenous fertilizer.

The invention discloses a special organic fertilizer for lilies and a preparation method thereof. The special organic fertilizer comprises the following raw materials in parts by weight: 30-40 parts of bean cake, 20-30 parts of plant ash, 40-50 parts of mineral substances, 10-20 parts of humic acid, 1-10 parts of compound strains and 2-5 parts of minor elements. The special organic fertilizer can improve the water retaining capacity of soil, prolong the watering period and control the loss of water and usable nutrients, completely conforms to agricultural standards, is safe, environment-friendly, nontoxic, harmless and free from pollution, improves the product quality, increases the yield of high-quality products, can loosen surrounding compact soil and increase soil porosity, is very beneficial to forming of a granular soil structure, and thus improves the permeability of the soil to a certain extent to facilitate the growth of lilies.

The invention discloses a paddy-rice controlled-release fertilizer, and a preparation method and application thererof. The paddy-rice controlled-release fertilizer is prepared by employing potassium dihydrogen phosphate, urease and nitrification-inhibitor-containing slow-release urea as fertilizer core, attapulgite clay as an inner cladding and paraffin as an outer cladding, employing a fusion spraying coating method and performing granulation and sieving. The paddy-rice controlled-release fertilizer is simple in preparation method, low in cost, good in surface fineness, long in fertilizer conservation time and convenient to use, is capable of effectively improving nitrogen and phosphorus pollution conditions in farmland pollutants, provides fertilizer efficiency needed by various growth periods of paddy rice by applying to soil before transplantation of paddy rice, and helps to reduce excess fertilizing and repeated fertilizing, reduce fertilizing cost and improve output and quality of paddy rice.

The invention discloses red envelope interaction methods developed on the basis of HTML5. The methods comprise the red envelope sending method and the red envelope receiving method. The red envelope sending method is characterized by comprising the following steps that red envelope information is established in an HTML5 scene; basic attributes of red envelopes are set; if necessary, red envelope activity putting areas can be set by acquiring a set area list and selecting putting areas; if necessary, the red envelope putting limiting time can be set by selecting putting time periods in a time period selection box and inputting the daily putting limit number into a daily limit input box; starting is selected, and then a red envelope activity is released to the HTML5 scene. In the red envelope sending method, due to the fact that the red envelope putting areas, putting time, putting limit and winning probability and the like can be set, the red envelopes can be more flexible, putting is more precise and more targeted, red envelope loss can be effectively controlled in a completely-open platform, and the putting areas can be counted.

The biological liquid mulching filming material includes four kinds of components including kelp powder, starch phosphate, alpha-starch and ammonium carbonate. The preparation process includes soaking, decoloring and crushing kelp; adding starch phosphate, alpha-starch and ammonium carbonate; mixing in a kneading machine or screw extruder; pelletizing and drying. The biological liquid mulching filming material contains no polymer and chemical fertilizer, and has no negative effect on soil, underground water and other crop growth environment. Used mulching residue can raise organic matter content in soil to improve the aggregate structure and fix surface soil.

The invention discloses a soil conditioning fertilizer and relates to the technical field of agricultural fertilizer. The soil conditioning fertilizer is prepared from the following materials in weight parts: 50-100 parts of humic acid, 50-100 parts of dolomite dust, 5-10 parts of dilute sulphuric acid solution, 100-150 parts of monoammonium phosphate, 1-30 parts of urea, 300-350 parts of potassium chloride, and 5-10 parts of zinc sulfate. The experimental results of the field fertilizer efficiency demonstration of the soil conditioning fertilizer on various crops including field crops like crops, commercial crops like soybean and green pepper, as well as melons and fruits and vegetables like Chinese cabbage, grape and radish show that the yield is remarkably increased and the product quality is remarkably improved, the stress resistances like cold resistance, drought resistance, disease resistance and lodging resistance of the crops are remarkably improved, the tastes of the melon, the tomato, the Chinese cabbage, the green pepper, and the like are good, and therefore, the soil conditioning fertilizer is well received by the masses and is worthy of popularization and application.

The invention relates to a alpine high-altitude area roadbed slope turf framework grassing protection method. The method comprises the following sequential steps of slope leveling, turf framework laying, humus soil backfilling, grass seed sowing, fiber blanket laying and watering maintenance. The method is suitable for the portion, where alpine meadow and alpine grassland are distributed as the main vegetation form, of the alpine high-altitude area, the blocky turf is used as the framework, the stored surface soil is stripped during filling and road construction, moreover, the grass seeds aresown, the three-dimensional net glassing and covering measures are adopted for assistance, maintenance is carried out during the construction period, the water-retaining and soil-retaining capacity ofthe three-dimensional net grassing technology, the soil retaining effect of the turf root system and the heat preservation and germination promoting functions of the covering measure are combined, moreover, the scientific maintenance measure is adopted for assistance, the slope soil loss is effectively controlled at the initial stage of slope vegetation growth, the water is effectively conserved,the good condition is provided for growing, germinating and root fixing of the vegetation, the growth time of slope vegetation is shortened, and the effect of the slope vegetation protection measureis achieved.