50results about How to "Purify the growth environment" patented technology

The invention discloses a high-quality and high-production cultivating technology of cane shoots, which comprises the steps of soil selection and preparation, germchit preparation, field planting, field management and harvest. According to the invention, before the field planting of cane shoots, sterilization treatment is performed on the soil by adopting quick lime, garlic dreg powder, tea bran powder and wood vinegar, so that the growing environment of cane shoots is purified, and the fertility of soil is improved at the same time; during the topdressing process, home-made slow-release organic granular fertilizer is applied, the fertilizer efficiency is more durable, and a large amount of fertilizer does not run away caused by climatic change, so that the fertilizer efficiency is greatly improved, the soil is improved at the same time, and the soil is prevented from hardening. The cultivating method is simple and feasible, low in cost, and high in yield coefficient; the cane shoots are convenient to manage, and applicable to large-scale cultivation; through large-area popularization, the quality and yield of cane shoots can be greatly improved and stabilized, so that the high-quality and high-production cultivating technology of cane shoots has prominent social, economic and ecological benefits.

The invention discloses a high-mountain konjak cultivation technique, which comprises the steps of land selection, soil preparation, breeding konjak selection and treatment, due-time planting, field management, diseases and pests prevention and control, harvest and the like. According to the invention, by soaking seeds with a Chinese herbal medicine solution, weeding with a Chinese herbal medicine herbicide, and spraying a Chinese herbal medicine disease and pest preventing agent for prevention, diseases and pests of the konjak can be greatly reduced, the growth environment of the konjak is purified, the use of chemical pesticide is reduced, and the ecological environment is protected. The konjak produced by the cultivation technique is good in product appearance, safe and nuisance-free. The cultivation method is simple, has the advantages of low cost, high yield and the like, and is convenient to manage and suitable for large-scale cultivation.

The invention discloses an organic scented rice production technology. The production technology comprises the following steps of seed selection, seed processing, seedbed production, seeding, seedbed management and the like, so that produced organic scented rice is full in grain, stable in quality, safe and nonhazardous. The organic scented rice production technology is scientific, reasonable, simple, easy to operate for a farmer, simple in management, suitable for cultivation in large scale, and capable of improving social benefits, economic benefits and ecological benefits of the organic scented.

The invention discloses an early-spring high-yield potato cultivation technology. The early-spring high-yield potato cultivation technology comprises the following steps: variety selection, potato seed processing, grading-based germination acceleration, planting land selection, land preparation and fertilization, sowing and seedling raising, field management, control of pest and disease, harvesting and the like. According to the invention, by means of immersing seeds with a Chinese medicinal herbal solution and carrying out preventive spraying by using a Chinese medicinal herbal agent for preventing diseases and pests, disease and pest damages to potatoes can be reduced greatly, the growth environment of the potatoes is purified, the utilization of chemical pesticides is reduced, and an ecological environment is protected. The potatoes planted according to the invention are good in grade and are safe and pollution-free. The cultivation technology disclosed by the invention is simple, has the advantages of low cost, high yield, convenience for management and the like, and is suitable for large-scale cultivation.

The invention discloses a high-yield planting technology for polygonum multiflorum. The technology comprises selection and preparation of land, seedling raising and propagation, field planting, field management, pest control, harvesting and the like. According to the technology, botanical insecticide is sprayed to prevent insect attacks, so that insect attacks of polygonum multiflorum can be reduced greatly, the growth environment of konjak is purified, the usage of chemical pesticide is reduced, and the ecological environment is protected. The planting technology has the advantages of being simple and easy to implement, high in practicability, low in cost, convenient to manage, applicable to large-area popularization and planting and capable of improving the rate of survival of artificially-planted polygonum multiflorum and greatly improving the yield and the quality of artificially-planted polygonum multiflorum simultaneously.

The invention provides a plant pesticide whose effective constituents include the extracts of the following plants: Chinaberry bark 20-30%, tobacco leaf 10-30%, rhizome of shouliang yam 10-30%, wormwood 5-20%, croton 5-20%, derris 2-10%, thickfruit millettia seed 2-10%, Tripterygium wilfordii 2-10% and Sichuan aconite root 2-10%.

The invention discloses an acidic biological soil conditioner for American blueberry and a preparation method thereof. The soil conditioner is composed of the following raw materials by weight: 30-50 parts of peanut meal, 20-30 parts of mushroom residue, 15-25 parts of paulownia sawdust, 8-12 parts of silkworm excrement, 10-15 parts of turf, 5-10 parts of iron-ore slag, 16-22 parts of diatomite, 10-15 parts of fly ash, 3-4 parts of nidus vespae, 2-3 parts of asarum, 1-2 parts of ginger peel, 2-3 parts of Terminalia catappa leaves, 1-2 parts of angled bittersweet, 1-3 parts of radix euphorbiae lantu and 2-3 parts of stemona. The conditioner developed through biological fermentation technology can improve the pH value of soil and adjust the pH value to an effective range, does not pollute the soil or water, promotes healthy growth of blueberries, also can increase the content of organic matters and sterilization components in the soil, purify growth environment of blueberries, enhance disease resistance of blueberries and realize vigorous growth of the blueberries. The soil conditioner provided by the invention has obvious effects of increasing yield of blueberry, improving quality of blueberry, reducing insect diseases and improving the soil.

The invention discloses a potato and cotton interplanting high-yield culture technique. The invention adopts a 2-1 planting mode in which light, heat, wind conditions in the crop population can be in preferable proportion, the potato and cotton yield-increasing potential can be realized to obtain high yield, and at the same time, the planting mode is also beneficial to plastic mulching, and saves the production cost. According to the invention, by broadcasting a Chinese herbal medicine solution to prevent soil insects, and spraying a Chinese herbal medicine disease and pest preventing agent to prevent diseases and pests, diseases and pests of potatoes and cotton can be greatly reduced, the growth environment of potatoes and cotton is purified, the use of chemical pesticide is reduced, and the ecological environment is protected. The potatoes and the cotton produced by the culture technique are good in product appearance, safe and pollution-free. The cultivation method is simple, has the advantages of low cost, high yield and the like, and is convenient to manage and suitable for large-scale cultivation.

The invention discloses double-layered coated water-retention slow-released fertilizer capable of releasing negative ions. The double-layered coated water-retention slow-released fertilizer is prepared from the following raw materials in parts by weight: 55 to 70 parts of urea, 20 to 30 parts of ammonium phosphate, 30 to 40 parts of acrylic acid, 14 to 25 parts of wheat straw, a proper amount of distilled water, 2 to 7 parts of potassium hydroxide, 0.5 to 2 parts of sodium borohydride, 12 to 16 parts of humic acid, 5 to 10 parts of anhydrous sodium sulfite, 5 to 10 parts of a formaldehyde solution, 3 to 7 parts of ammonium persulfate, 1 to 3 parts of N,N'-methylene-bisacrylamide, 10 to 16 parts of sodium alginate, a proper amount of a 5 percent calcium chloride water solution, 2 to 4 parts of paraffin wax, 4 to 8 parts of tourmaline powder, 2 to 5 parts of inorganic clay, 2 to 4 parts of nano negative ion powder, 1 to 3 parts of red pine polyphenol and a proper amount of a 10 percent sodium hydroxide solution. According to the double-layered coated water-retention slow-released fertilizer, the humic acid is subjected to modification treatment so that the water solubility is improved; the fertilizer effect of the urea and the utilization rate of nitrogen are improved; the water absorption and water retention properties, and salt resistance of the slow-released fertilizer are improved.

The invention discloses a pollution-free cultivation method for isatis root. The method mainly comprises the steps of soil preparation, sowing, thinning and final singling, growth period management, disease and pest control and harvesting. The method provided by the invention adopts a traditional Chinese medicinal pesticide, so the growth environment of isatis root is purified, diseases and pests of isatis root are effectively prevented and treated, and the problems of high residual of chemical pesticides, high pollution and poor insect-preventing effects in the prior art are overcome. In addition, in the process of planting, a great amount of farmyard manure is used as main fertilizer, so the medicinal properties of isatis root are protected to a greatest extent; the yield and the quality of isatis root are effectively improved; and the harvested isatis root has long, straight, strong and uniform roots. The cultivation method is advanced and reasonable, has strong operability, can be learned and used by all kinds of populations and has good popularizing value.

The invention discloses a green, weather-proof and high-yield oilseed rape planting method. The green, weather-proof and high-yield oilseed rape planting method comprises the following steps of seed preprocessing, preparation of a germination acceleration triggering seed-soaking solution, seed soaking, preparation of a seed coating for oilseed rapes, oilseed rape seed treatment by using the seed coating, germination acceleration, seedling raising, planting field treatment, seedling transplantation and field planting, fertilization at a seedling stage, disease and pest prevention and control and harvesting. By adopting the planting method, the emergence rate of oilseed rape seeds is high, buds are thick, healthy and strong and are resistant to cold and freezing, the use amount of fertilizers is small, the use amount of organic fertilizers is large, pollution is reduced, the method is friendly and non-toxic to the environment, the fertilizer efficiency is improved, the oilseed rape yieldis effectively increased, meanwhile planted oilseed rape seeds are non-toxic, harmless and free of pesticide residues and are green, healthy and good in quality, the cost is reduced, powerful guarantee is provided for large-scale planting, and the green, weather-proof and high-yield oilseed rape planting method has a higher practical value and a good application prospect.

The invention relates to a cultivation method for crops, and specifically to a planting method for rice bean. The planting method for the rice bean provided by the invention comprises the following six steps: soil preparation, seed treatment, field management, pest and disease control, and harvesting. According to the invention, through soaking of seeds with a traditional Chinese medicinal liquid and spraying of the traditional Chinese medicinal liquid for pest and disease control, diseases and pests of the rice bean can be greatly reduced; the growth environment of the rice bean is purified; and the rice bean is basically free of diseases and pests in the process of planting by using the method provided by the invention.

A soil improver for improving saline-alkali land into golden cicada farms, which relates to the technical field of golden cicada artificial breeding. 12 parts of coconut bran, 15 parts of pomace, 8 parts of camellia oil, 6 parts of soybean meal, 12 parts of jasmine leaves, 3 parts of camphor leaves, 2 parts of maltodextrin, 3 parts of Burnet, 5 parts of silkworm chrysalis powder, 4 parts of rice bran wax 1.5 parts of zeolite powder, 1.5 parts of sodium silicate, 0.2 parts of rare earth, and 15 parts of traditional Chinese medicine composition. The invention uses a soil improver to improve the saline-alkali land into an environment for the growth of the golden cicada. After the improvement, the period for cultivating the golden cicada is greatly shortened, and the cultivated golden cicada can be unearthed within 1-2 years.

The invention discloses a radix isatidis planting method, which comprises the following steps of selecting a clay block which is good in drainage, fertile and loose for planting and applying a base fertilizer; carrying out seeding, thinning and final singling, applying a compound fertilizer and spraying a foliage fertilizer, wherein the base fertilizer is prepared from bryozoatum, akadama, rice bran, duck manure and a nitrogen-phosphorus-potassium compound fertilizer, and the compound fertilizer is prepared from urea, plant ashes, kaolin, basic zinc sulfate and a rhizobium inoculant; the foliage fertilizer is prepared from zinc sulfate, borax, ammonium molybdate, ammonium molybdate, fulvic acid, naphthylacetic acid and rapin ficusin; spraying a pest and disease prevention agent with 450fold water once every two months, wherein the pest and disease prevention agent is prepared from tubatoxin, cinnamon, onion and ramie; and harvesting folium isatidis and collecting roots in November. According to the radix isatidis planting method, the yield of radix isatidis can be greatly improved, pests and diseases of the radix isatidis are greatly reduced and the growth environment of the radix isatidis is purified; and the folium isatidis is good in palatability and high in input-output ratio and suitable for massive popularization and the nutrient value is improved.

The invention discloses a potato high-yield planting method and relates to the technical field of crop planting. According to the potato high-yield planting method, by reasonable and scientific fertilizer combinations and fertilizer application measures in different growth periods, comprehensive nutritional requirements are provided for potatoes in the different growth periods, so that the potatoes grow rapidly and healthily throughout the growth cycle, and the quality and yield of the products are improved. Organic fertilizer is adopted in the potato high-yield planting method to prevent thepotatoes from containing more heavy metal and organic pollutant pests and diseases, and at the same time potato seed blocks are sterilized, which greatly reduces the incidence of potato pests and diseases during the growth process. During the growth of the potatoes, plant insecticides are adopted to prevent and control pests and diseases, the effect is good, the pests and the diseases can be prevented and controlled, the pests, germs and viruses can be killed, the crop growth environment can also be purified, the potato high-yield planting method is environmentally friendly and free of pesticide residues, and the goal of increasing yield and improving quality is achieved.

The invention discloses a Radix Salviae Miltiorrhizae planting method. The method includes the following steps of firstly, conducting soil preparation and fertilizer application, wherein soil with a thick layer and good water drainage is selected, 1500-2000 kg of composted yard manure, 700-900 kg of cake fertilizer and 20-30 kg of soil conditioner are applied in each mu of soil before winter, conducting deep tillage of 30-40 cm, the land is leveled and raked in the middle ten days of February, ridges are made, the ridge width is 1.2-1.5 m, the ditch width between the ridges is 25-35 cm, the ditch depth is 15-20 cm, planting ditches are formed in the ridges according to the line spacing of 10-20 cm, and 30-50 kg of calcium superphosphate, 16-20 kg of urea and 11-13 kg of ammonium bicarbonate are applied into the planting ditches; secondly, conducting sowing; thirdly, conducting field management; fourthly, conducting pest control and prevention; fifthly, conducting harvesting in good time. By means of the method, stable production and high yield are achieved, seeds are soaked in traditional Chinese medicine liquor, a traditional Chinese medicine disease and pest prevention agent is sprayed for prevention, the heavy metal content is low, no pesticide residues are caused, the method is suitable for the land and weather characteristics of the north of Anhui province, and economic benefits of plantation are remarkable.

The invention discloses a honeysuckle planting method. The method includes the steps that firstly, soil preparation and fertilizer application are carried out, wherein it is good that soil large in soil layer depth, loose in texture and good in drainage performance is selected for planting, 3500-4000 kg of thoroughly decomposed yard manure, 700-900 kg of cake fertilizer, 100-150 kg of nitrogen-phosphorus-potassium compound fertilizer and 20-30 kg of a soil conditioner are applied to each mu of soil, deep tillage is carried out by 15-20 cm, and the soil is leveled and harrowed; secondly, transplanting and planting are carried out; thirdly, intertillage and weeding are carried out; fourthly, fertilizer is applied; fifthly, trimming and shaping are carried out; sixthly, disease and pest prevention is conducted; seventhly, harvesting is carried out in good time. By means of the method, the yield is stable and high; by the adoption of hole fertilization of disease and pest prevention pesticide residues and preventive spraying of a traditional Chinese medicine disease and pest prevention agent, the heavy metal content is low, no pesticide residues exist, the method is suitable for soil and weather characteristics in the north of Anhui province, and economic benefits of planting are remarkable.

The invention relates to an interplanting method for selenium-enriched moringa oleifera and oil tea, and belongs to the technical field of crop cultivation. The interplanting method for selenium-enriched moringa oleifera and oil tea comprises the steps of (1) oil preparation and fertilizer applying, (2) interplanting, (3) fertilizer water management and (4) prevention of diseases and insects. Theinterplanting method adopts a '1+2' planting mode of moringa oleifera and oil tea, the land utilization rate is effectively increased, and stable and continuous high yield of the oil tea is promoted;the diseases and insects of the oil tea are greatly reduced, the growing environment of the oil tea is purified, the using of chemical pesticide is reduced, and the ecological environment is protected; the appearance of the oil tea planted by adopting the method is good, the oil tea is safe and pollution-free, the survival rate of the planted moringa oleifera is higher, and the moringa oleifera isselenium-enriched.

The invention is applicable to the field of plant cultivation technological improvement, and provides a method for planting dendrobium officinale potted landscape. The method includes A, manufacturing planting substrates; B, transplanting domesticated seedlings of dendrobium officinale; C, tending and protecting the transplanted domesticated seedlings, to be more specific, a regulating the temperatures and illumination, b watering and fertilizing the seedlings, c pruning the transplanted seedlings and killing weed, d preventing and treating plant diseases and insect pests and e harvesting the dendrobium officinale potted landscape. The method has the advantages that the substrates and the colonized seedlings are soaked in Chinese herbal medicine liquid, botanical biological insecticides are preventively sprayed on the colonized seedlings, accordingly, the plant diseases and insect pests can be reduced for the dendrobium officinale to a great extent, and growth environments for the dendrobium officinale can be purified; the dendrobium officinale is basically free of plant diseases and insect pests in planting procedures, pesticides can be omitted, and accordingly the food safety of the dendrobium officinale can be greatly improved.

The invention discloses a cultivation technology for hedyotis diffusa, and belongs to the technical field of traditional Chinese medicinal material cultivation. The cultivation technology includes the following steps: 1, selecting cultivated land; 2, preparing the land, and applying base fertilizers; 3, carrying out seeding, wherein seeding relates to seeding time, seed treatment before seeding and a seeding method; 4, carrying out field management, wherein field management includes thinning, weeding, irrigation and drainage and topdressing; 5, carrying out pest control, wherein common pests include cutworms and young theretrajaponica; 6, carrying seed collecting and harvesting. The cultivation technology is simple and practical, and has the advantages of being low in cost, convenient to manage and suitable for large-scale popularization and cultivation; according to the cultivation technology for the hedyotis diffusa, the emergence rate is high, and the yield hedyotis diffusa is high in effective medicinal value.

The invention belongs to the technical field of potato planting, and particularly relates to a high-quality and high-yield cultivation method for potatoes in a greenhouse. The method comprises steps as follows: selecting varieties; processing potato seeds; accelerating germination; tilling land and furrowing; applying a fertilizer; sowing seeds in due time; controlling the temperature and uncovering a film; performing field management; controlling pest; performing optimum harvesting and the like, wherein the special bio-potato bacterial fertilizer used for the potatoes and produced by the Asialink enterprise group corporation is applied in the planting process to promote potato seedling emergence. The special bacterial fertilizer for the potatoes is adopted for control spraying, the potato growth environment is purified, the use of chemical pesticide is reduced, the ecological environment is protected, further, the rate of emergence of potato seedlings is increased and is high, the emerged seedlings are neat, the plant leaf color is darker, and the plant is more healthy; the planted potatoes have good conditions and are safe and pollution-free; the cultivation method is simple, has the advantages of low cost, high yield, convenience in management and the like and facilitates large-scale cultivation.

The invention discloses composite probiotics capable of increasing the survival rate of piglets, and relates to the technical field of microorganisms. The composite probiotics consist of probiotics and avian immunoglobulin IgY. The composite probiotics can reduce the incidence rate of yellow dysentery, white dysentery, other intestinal bacterial loose bowels, and diarrhoea of piglets, increase thesurvival rate of the piglets, promote development of immune organs of the piglets, enhance the immunity and the disease resistance of the piglets, reduce the attack rate, complement intestinal probiotics, adjust intestinal flora environment of the piglets, strengthen the resistance of the piglets to environment stress, improve the chronicity and the stability of the health of piglet groups, protect the normal development of intestinal mucosae and intestinal villi, and improve the nutrient absorption capacity. When the avian immunoglobulin IgY is used, blood sampling is not needed, only eggs produced by immune hens need to be collected, so that antibodies can be obtained; and a small quantity of antigen immunity birds are used, a large quantity of specific IgY homogeneous in quality can beobtained, and the avian IgY and mammal immunoglobulin cannot generate a cross serologic reaction.

The invention discloses a high-yield planting method of potatoes, and relates to the technical field of agriculture production. The high-yield planting method comprises the following steps of 1, landselection and preparation, 2, seed selection, 3, potato seed treatment, 4, greenhouse seedling raising, 5, sowing with buds, 6, water-fertilizer management, 7, management on diseases and pests, and 8,harvest. The high-yield planting method adopts whole sowing, utilizes a three-film covering technology, obviously increases the yield of the potatoes, reasonably sterilizes soil and the potato seeds,and accordingly greatly reduces the incidence of the diseases and pests in the plant growing process; the high-yield planting method adopts sowing with buds and is a key technology to promote early sprouting, rapid grouting and strong seedling emergence of the autumn potatoes; in the growing process of the potatoes, a plant pesticide is adopted, has a good effect on preventing the diseases and pests, can kill the pests, bacteria and viruses, can also purify the plant growing environment and is friendly to the environment, no pesticide residue exists, the purposes of increasing the yield and improving the quality are achieved, and anti-season efficient planting of the potatoes is achieved.

The invention discloses an improved saline-alkali soil type bio-organic compound fertilizer and a preparation method thereof, and belongs to the technical field of fertilizers. The bio-organic compound fertilizer is prepared from beer wastewater treatment station sludge, weathered coal, agricultural production wastes, trace elements, zinc ion-porphyrin nanocomplex, vermiculite powder, livestock manure biogas slurry, a compound microbial agent, humic acid, edible fungus residue and polycaprolactone according to a certain weight ratio. The bio-organic compound fertilizer is suitable for medium-light saline-alkali soil, can significantly reduce the content of alkali and salt in soil, significantly improve physical and chemical properties of soil, improve soil granular structure, alleviate soil hardening problem and improve soil permeability and water and fertilizer retention, improves utilization rate, and significantly increases the yield and income of crops.

The invention discloses an ecological chicken raising method which comprises the following measures: a leeward sun-facing mountain slope with sufficient water sources is selected, and a fence is arranged on the mountain slope, and a piece of land is enclosed and serves as a chicken farm, a natural stream flows through the chicken farm or a water channel is artificially dug to serve as a water source of drinking water of chickens or a water feeding device is artificially set; a fruit tree is planted in the chicken farm, and forage grass is planted on the ground of the chicken farm, a pluralityof grass houses are arranged beside the fence at one side and used for holding the chickens at night; the chickens freely move in the chicken farm in the daytime and are driven to the grass houses byworkers at night, and a plurality of automatic feeding devices are arranged between the forest trees at intervals; and a plurality of sand pits for the chicken sand bath are further arranged in the chicken farm. The ecological chicken raising method has the advantages that firstly, the fruit trees and the forage grass can simultaneously digest the chicken manure; secondly, the manual workload is reduced; thirdly, a plurality of sand pits for the chicken sand bath are further arranged in the chicken farm, and the habits and the health of the chickens are ensured; fourthly, fruits and the chickens can be sold.

A high-quality high-yield water bamboo cultivation technology includes the following steps: selecting a paddy field of clay and clay loam favorable for irrigation and drainage, good in illumination, deep in plowing layer, strong in water retention and fertility and rich in organic with the previous crop not being graminaceous crop; selecting a variety with white water bamboo pulp, smooth bright peel, good commodity, excellent quality, high yield, disease resistance and adaptability. Seedlings can be transplanted when the paddy field soil temperature is above 10oC, the planting time is in mid and late April, the planting time of autumn water bamboo in double-harvesting water bamboo is mid July, and the seedlings are planted in sunny days preferably. The planting method includes digging up the water bamboo stump from the seedling growing field, removing the old roots, cutting the upper leaves from the water bamboo holes to keep the seedling height at 25-30cm to prevent lodging after planting and conducting field management, pest control and harvesting. The cultivation method is simple and feasible, low in cost, high in yield, convenient to manage and suitable for large-scale cultivation, and has significant social, economic and ecological benefits.

The invention discloses an oil peony planting method. The oil peony planting method comprises the steps of land selection; sowing and seedling raising; transplanting; post-planting management; and harvesting. According to the invention, the planting method is simple and practical, has the advantages of low cost and convenient management, and is suitable for large-scale popularization and planting; and the planted oil peony is high in quality, large in seed production quantity, high in oil extraction rate and completely pollution-free. Thus, the safety and reliability of edible oil are effectively improved.

The invention discloses a garden balsam seed planting method. The method comprises steps as follows: 1, land preparation and fertilizer application: sandy soil with rich nutrition is selected, 2,500-2,800 kg of composted yard manure, 400-600 kg of a cake fertilizer and 20-30 kg of a soil conditioner are applied to each mu of land before winter, the land is deep ploughed for 20-30 cm and is leveled and harrowed in the middle ten days of February, ridged fields with the width being 1.2-1.5 m are made, a furrow between the ridged fields is 40-50 cm wide and 30-40 cm deep, planting furrows are formed in the ridged fields in the row spacing of 30-40 cm, and 20-30 kg of calcium superphosphate, 10-14 kg of urea and 8-10 kg of ammonium bicarbonate are applied to the planting furrows; 2, sowing; 3, field management; 4, pest and disease control; 5, harvesting in due time. By means of the method, stable yield and high yield are realized, a traditional Chinese medicine liquid is used for soaking seeds, a disease and pest prevention agent prepared from traditional Chinese medicines is used for prevention and spraying, the heavy metal content is low, no pesticide residues are left, the method meets the characteristics of land and climate of the north of Anhui Province, and the economic benefits of planting are remarkable.

The invention discloses an alpine region virus-free potato cultivating method, and belongs to the technical field of crop cultivation. The technology problem or defect that an alpine region is small in rainfall and potato soil moisture content is poor is solved or overcome. By means of the method, through potato seed selecting and processing, soil preparation and fertilizer applying, ridging and sowing, and field management, when potatoes are planted in the alpine water-deficient region, water conservation and moisture preservation can be achieved, water resource utilization rate can be increased, and produced potatoes are good in quality, high in starch content and capable of being stored for a long time.

The invention relates to multi-functional controlled availability fertilizer, which is prepared from the following components in parts by weight: 70 to 80 parts of nitrogen phosphorus and potassium basal fertilizer, 10 to 35 parts of medium nutrient elements, 2 to 8 parts of micronutrients, 0.05 to 0.1 part of surfactant, 0.05 to 0.1 part of seaweed glucan, 0.05 to 0.1 part of codium fragile, 0.1 to 0.5 part of ammonium zinc phosphate and 0.05 to 0.2 part of pine polyphenols. The multi-functional controlled availability fertilizer is compounded in formula, has a variety of effects, elements such as nitrogen, phosphorus and potassium, medium nutrient elements such as magnesium and boron, and micronutrients such as copper, cobalt and zinc can meet a variety of nutritions needed by the crop growth, and the yield and the quality of crops are improved; the ammonium zinc phosphate and copper, cobalt and zinc micronutrients nanocrystal particles are dissolved slowly to release nutrient cations, and the transport efficiency of nutrient elements is greatly improved.