197 results about "Astragalus sinicus" patented technology

The invention belongs to the technical field of fertilizer-saving high-yield culture in agricultural production and relates to a method for increasing yield of double cropping rice by turnover and fertilizer saving of Astragalus sinicus L. and straw in a rice field. Specifically, the method includes that during growth of early rice, green Astragalus sinicus L. is overturned and pressed to return to the field so as to replace part of nitrogenous fertilizer, and during growth of late rice, straw of the early rice is returned to the field to replace part of nitrogenous fertilizer, and purposes for nitrogenous fertilizer conservation and high yield are achieved in the integral production cycle of double cropping rice. The method solves the problems that areas of vacant fields in winter are enlarged, the rice field is deteriorated, ecological cost for rice production is increased, and fertilizer utilization rate is seen low and the like in a rice cropping system of southern China. The method is a cultivating technology high in yield, nitrogenous fertilizer saving and lower in N2O emission and provided for increasing yield of the double cropping rice, reducing fertilizer investment and increasing fertilizer utilization rate.

The invention provides a method for performing mixed sowing of astragalus sinicus and oilseed rape and returning green manures to the field. The method comprises the following steps: a, sowing astragalus sinicus, namely sowing seeds of astragalus sinicus 25-35 days before harvesting of late rice, and keeping field water suitable for growth of astragalus sinicus; b, sowing oilseed rape, namely oversowing seeds of oilseed rape 1-3 days after harvesting of late rice; c, turning over and pressing the astragalus sinicus and the oilseed rape, namely when the astragalus sinicus is in a full-blossom period and the oilseed rape is in a bud period, simultaneously turning over and retting two types of green manures about 15 days before planting of early rice, wherein routine ploughing, fertilizing and early rice transplanting can be performed after retting is performed for 8-10 days. The method provided by the invention can be used for solving the problems of single planting variety and single planting structure in production and utilization of green manures in the southern double-crop rice region, effectively solving the problems that green manure nutrients are imbalanced after uni-sowed Chinese milkvetch or oilseed rape is turned over and pressed and thus nutrient supply can not meet the requirements of the whole early rice growth period on the nutrients, and the like, being beneficial to the improvement on the yield and quality of aftercrop early rice and playing a role in directly promoting the green manure development re-arisen in China.

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 present invention features the high-yield plantation of selenium-rich Astragalus sinicus. Seeds of early, middle and late stage varieties in the ratio of 2 to 5 to 3 are matched in planting so as to prolong the picking period of terminal flush and bud; and in the early stage of production, sodium selenite is foliage applied. The selenium-rich Astragalus sinicus may be produced into Astragalus sinicus stem and leaf tea and Astragalus sinicus flower tea, and this can raise the economic value of Astragalus sinicus. In addition, selenium-rich Astragalus sinicus may be further produced into other selenium-rich products with health care function.

The invention discloses a cow forage and a preparation method thereof. The cow forage is composed of the following raw materials, by weight, 40-50 parts of rape straw, 20-30 parts of Astragalus sinicus, 15-25 parts of sweet potato leaf, 15-20 parts of cottonseed hull, 10-15 parts of peanut vine, 15-20 parts of flour, 10-15 parts of corn grits leftover, 1-2 parts of a starter, 40-45 parts of oat meal, 20-25 parts of surname bran, 15-20 parts of fried rice flour, 3-5 parts of a soft sweet additive, 4-5 parts of rice bran, 5-8 parts of clay-shaped sepiolite, 3-4 parts of palm oil, 2-3 parts of sodium alginate, 1-2 parts of calcium carbonate, 1-1.5 parts of sodium hydrogen phosphate and 0.2-0.4 parts of salt. The forage contains all nutrition required by the growth of cows, guarantees the healthy production of the cows, provides healthcare values, and raises the growth speed of the cows.

The invention provides an astragalus sinicus single-season rice high-yield efficient seed reservation method which comprises the following steps: a, selection of astragalus sinicus seeds: before sowing, selecting the same variety of astragalus sinicus so as to prevent other varieties of astragalus sinicus from being planted in a range within 2 kilometers; b, treatment of the astragalus sinicus seeds: before sowing, insolating the astragalus sinicus seeds in the sun for half a day to one day, then peeling, selecting the astragalus sinicus seeds through a salt soaking method, and finally washing away the salt on the astragalus sinicus seed with clean water; c, sowing: before sowing, digging a perimeter ditch in a field, and then sowing uniformly; d, field monitoring before harvesting of seeds: performing prevention and control on weeds and disease and insect damage; e, harvesting of the seeds: harvesting by virtue of manual power or a combine harvester, wherein harvesting is performed when the black legume rate of the astragalus sinicus is up to 85% during manual harvesting, and harvesting is performed when the black legume rate of the astragalus sinicus is up to 90-95% during harvesting based on the combine harvester. The method has the characteristics of being high in seed yield, promoting the rapid recovery and development of southern green manure crops, improving the soil fertility, reducing the application amount of fertilizers, protecting the ecological environment and the like, and can be used for not only improving the double-cropping index of the rice field and improving the income of farmers, but also achieving a soil fertility effect.

The invention discloses a method for planting high-yield organic rice by rice-duck integrated farming. The method comprises the steps of: planting astragalus sinicus in a rice field, carrying out green manuring and adding water for retting, and applying a base fertilizer in 10-25 days according to the amount of 800-1000 kg / mu; exposing the rice field to the sun, rotatably tilling the rice field, separating ridges and carrying out rice transplanting after irrigation; when the roots of the rice seedlings survive, applying a composite fertilizer according to the amount of 20-35 kg / mu; in 12-20 days after rice transplanting, putting in 10-15-day old ducks according to the amount of 5-10 ducks / mu; carrying out field draining in 10-15 days, and additionally applying the base fertilizer in A according to the amount of 100-300 kg / mu; then putting 7-10-day old ducks in the rice field when water is irrigated to 8-10 cm, wherein the inputting amount is 8-15 ducks / mu, taking the ducks back 10-15 days before the rice is mature, and drying the rice field after water-break. The method for planting high-yield organic rice by rice-duck integrated farming disclosed by the invention is high in yield, and the obtained rice is good in organic property, and meanwhile, high quality duck meat can be obtained, so that the economical benefit is improved.

The invention discloses a spleen nourishing sesame oil. The spleen nourishing sesame oil is prepared from, by weight, 60-80 parts of sesame oil, 10-20 parts of grape seed oil, 1-3 parts of celery, 0.5-3 parts of anise, 1-5 parts of astragalus sinicus extract, 3-10 parts of white poria extract, 1-5 parts of radix scutellariae extract, 1-5 parts of ginkgo leaf extract, 1-5 parts of clove extract and 0.1-0.5 part of vitamin C. Grape seed oil, celery, anise and honey are added in common sesame oil, and a strong aroma is diffused all around after joint processing; meanwhile, astragalus sinicus extract, radix scutellariae extract, ginkgo leaf extract, clove extract and the vitamin C are added, the Chinese herbs and the vitamin C have high anti-oxidation activity, and the shelf life of the sesame oil can be effectively prolonged.

The invention relates to rhizobium astragula capable of effectively fixing nitrogen and a culture method and application thereof. The rhizobium astragula CGMCC No.4347 is cultured by the steps of strain activation, seed culture, fermentation culture and the like. The invention has the following beneficial effects: when the fermentation culture medium improved by the invention is adopted for culturing, the viable count of the fermentation liquor is far higher than that in the prior art; compared with the bacteria which are not inoculated on astragalus sinicus, the rhizobium astragula agent can ensure the fresh weight of the astragalus sinicus plants to be increased by more than 241%, the nitrogen content of the plants to be increased by more than 86% and the yield to be increased by more than 47% after being inoculated on the astragalus sinicus; compared with the existing produced strains, the rhizobium astragula agent ensures the fresh weight of the astragalus sinicus plants to be increased by more than 58%, the nitrogen content of the plants to be increased by more than 18% and the yield to be increased by more than 12%, thus being an excellent strain for production of the rhizobium astragula and inoculation of the astragalus sinicus; and the culture method is simple and practical, and the raw materials have wide sources and low price and are suitable for large-scale industrialized production.

The invention relates to an ultrasonic couplant and a preparation method thereof. The raw materials for making the effective ingredient of the ultrasonic couplant comprise Radix polygoni multiflori, Angelica, Embelia laeta, Cirsium japonicum, Lonicera japonica stem, Donax cannaeform, Mentha haplocalyx, Eucalyptus tereticornis, Nidus Vespae, Nepal gongronema, Lysimachia candida, Herba Verbenae Officinalis, Euphorbia helioscopia, Astragalus sinicus, Solanum melongena and Daphne bark. The ultrasonic couplant provided by the invention has reasonable formulation and better coupling effect, integrates antibacterial and bactericidal, blood stasis removing and blood circulation promoting effects of traditional Chinese medicinal materials, has the advantages of no harm to a human body, no damage to a probe, no skin irritation and sensitization, no contamination of clothes, easiness in cleaning, lower cost, good stability, and so on, and avoids cross contamination in clinical ultrasonic examination. The ultrasonic examination with the ultrasonic couplant provided by the invention has better acoustic permeability and clearer ultrasonic imaging.

The invention belongs to the technical field of feeds, and particularly relates to a goat feed. The goat feed comprises the following raw materials of corn, soybean meal, rice bran, wheat bran, corn straw, phoenix tree leaves, peanut stems, alfalfa, astragalus sinicus, ginkgo leaves, gypsum, bhizoma acori calami, alternanthera philoxeroides, Canna edulis Ker Gawl., zinc methionine, a copper compound amino acid complex, chitosan oligosaccharide, birchleaf pear flowers, roots of vetchleaf sophora, radix astragali, haws, cactus, cloves, cinnamon, fructus forsythiae, Chinese prickly ash, lotus leaves, glossy privet fruits, semen cuscutae and composite microorganisms. The feed is prepared by a composite microbial fermentation method. According to the feed, the growth rate of goats is increased,and the environmental pollution is reduced.

The invention relates to the technical field of forages, and specifically relates to a composite forage for improving broiler chicken growth performance. The forage is prepared from the following raw materials in parts by weight: 50-60 parts of corn grains, 15-18 parts of soybean meal, 12-15 parts of peanut bran, 12-15 parts of puffed soybean powder, 10-12 parts of hordeum vulgare shell, 13-15 parts of rice bran cake, 12-16 parts of sorghum flour, 3-4 parts of rape petal, 3-5 parts of astragalus sinicus, 1-2 parts of feather meal, 1-2 parts of swine blood meal, 2-3 parts of citrus seed powder, 3-4 parts of soybean germ powder, 1-2 parts of sheep bone meal, 1-2 parts of shrimp shell powder, 4-5 parts of dandelion, 2-3 parts of amaranthus spinosus, 4-5 parts of musa basjoo leaves, proper amount of table salt and 0.2-0.5 part of a feeding promoting agent. The provided composite forage for improving broiler chicken growth performance is abundant in raw material kinds and sufficient in nutrition; abundant soybean isoflavone in soybean germ powder is capable of improving the growth performance of broiler chicken; and the broiler chicken fed by the forage is improved in daily gain and musculus pectoralis rate, and the culture benefit is improved.

The invention discloses a water-soluble organic fertilizer for pitaya, and a preparation method thereof, and belongs to the technical field of agricultural planting, wherein the water-soluble organic fertilizer comprises, by weight, 0.5-0.8 part of fosamine-ammonium, 0.5-1.3 parts of daminozide, 10-20 parts of oxalic acid, 10-20 parts of citric acid, 10-20 parts of selenate, 20-30 parts of a water-soluble organic matter, 30-50 parts of pigeon manure, 20-30 parts of sheep manure, 10-20 parts of tobacco powder, 15-30 parts of mushroom residue, 10-20 parts of sesbania cannabina, 10-20 parts of alfalfa, 10-20 parts of astragalus sinicus l, 1-3 parts of a trace element fertilizer, 3-6 parts of ash formed by firing of rice hull, 0.5-1 part of fermentation bacteria, and 30-50 parts of water. The water-soluble organic fertilizer of the present invention has advantages of simple preparation method, reasonable component ratio and high nutrient content, can promote the growth and development, the high yield and the high quality of pitaya, and is suitable for large-scale promotion and use.

The invention discloses astragalus sinicus vinegar. The astragalus sinicus vinegar which has nutrition and health care functions is produced by taking astragalus sinicus stem leaves as a raw material and adopting a solid-state fermentation method; as the astragalus sinicus stem leaves and wheat which are extremely high in yield are used as main raw materials, the investment of a large number of raw materials with higher cost can be saved, the production cost is remarkably reduced, astragalus sinicus can be planted and harvested all year round, and the raw materials are obtained very easily; the astragalus sinicus vinegar produced by using the steps is rich in nutritional ingredients of astragalus sinicus and has the efficacies of clearing away heat and toxic materials, expelling the mind, invigorating spleen and supplementing qi and has light brown color, soft sour, strong flavor of vinegar, appropriate concentration, clear appearance and special flavor of astragalus sinicus; and the problem that peasants are unwilling to plant as the astragalus sinicus is only used as green manure at present in China is solved while a new member is provided for the table vinegar family in China.

The invention discloses a rotation organic cultivation method for precocious pepper, rice and water chestnuts and relates to the technical field of rotation cropping. The method comprises the following steps that 1, an organic cultivation production base is set up; 2, a proper variety is selected; 3, the rotation cropping mode is that precocious pepper, late rice and astragalus sinicus are sequentially cultivated in the first year, early rice and water chestnuts are sequentially cultivated in the second year, and one rotation cycle lasts for two years; 4, organic pepper, organic rice (late rice and early rice) and organic water chestnuts are cultivated according to the quality requirements and production technical specifications of organic agricultural products, and soil is fertilized by returning stalks to the field and wetly composting organic fertilizer and planting green manure. Through the organic cultivation rotation method, the organic pepper, the organic rice and the organic water chestnuts can be cultivated in the same organic cultivation production base; the method is scientific and reasonable in technology, high in practicability and operability and suitable for large-scale organic cultivation, is an efficient ecological circular agricultural cultivation method and has broad application and popularization prospects in the middle and lower reaches of the Yangtze River.

The invention discloses a method for repairing Cd contaminated soil by intercropping herbs and swamp cabbage. The method can repair Cd contaminated soil through intercropping agronomic measures. The method comprises: intercropping herbs and vegetables in Cd contaminated soil to be repaired, and carrying out normal cultivation management so that the Cd content in harvested vegetables and soil is reduced. The vegetables are swamp cabbages. The herbs are sorghum hybrid sudangrass, sudangrass, pennisetum, ryegrass, indian lettuce, chicory, amaranth, clover, alfalfa or astragalus sinicus. The invention provides the technical scheme for repairing Cd contaminated soil by agronomic measures of intercropping herbs in a swamp cabbage field. The intercropped herb has high biomass and a rapid growth rate, can enrich heavy metals such as Cd and can effectively reduce Cd content of the contaminated soil. The method can provide a basis for synchronous safe production and restoration in the Cd contaminated farmland. The method is environment-friendly and has obvious ecological, economic and social benefits.

The invention belongs to the technical field of plant biology, and particularly relates to a cherry orchard sod culture method. The cherry orchard sod culture method comprises the following steps of selecting seeds, removing weeds, seeding bahia grass, seeding, fertilizing and watering, cradling and regenerating and seeding astragalus sinicus. By the configuration of a first compound fertilizer and a second compound fertilizer which have functions of nutrition and fermentation, degradation and utilization of herbaceous plant metabolite are benefited, soil environment is further improved, soil fertility is greatly improved, and cherry growing environment is improved. The first compound fertilizer and the second compound fertilizer in which triacontanol is added are applied in the process of orchard sod culture, the bahia grass and the astragalus sinicus are cultured by stages, soil can be guaranteed to be in a sod culture stage all the year around, the capacity of preventing drought and waterlogging of a cherry orchard is improved, the soil fertility of the cherry orchard is not affected, the ecological environment of the cherry orchard is enriched, a large number of bacterial parasites are generated, the number of natural enemies of pests is increased, spreading of the pests is restrained, and a relatively lasting ecological system of the cherry orchard is formed.

The invention discloses an astragalus sinicus cultivation method which comprises seed treatment, seeding, field management and harvesting at proper time, wherein during the seed treatment stage, a rice mill is adopted for milling so as to remove waxy substances on seed hulls, then the hulled seeds are soaked in a treating agent so as to achieve a sterilization and bacteriostasis effect, the hulled seeds are soaked in a nutrient solution so as to improve the medical value of plants, and finally, modified soil is mixed with seeds so as to achieve effects of nitrogen fixation and protection; a soil improvement agent is used for improvement, so that the adaptability of astragalus sinicus to soil is enhanced and the healthy growth of astragalus sinicus is ensured. The method disclosed by the invention can be used for effectively reducing the disease prevention rate of the plants and improving the yield.

The invention discloses an ecological rice-planting frog-breeding method through combination of planting and breeding. The method comprises the following steps: (1) management at a stage of a rice seedling bed; (2) management at a stage of a field; and (3) stocking management of tiger frogs in the rice field. According to the ecological rice-planting frog-breeding method through combination of planting and breeding, no chemical fertilizer and chemical pesticide are applied in the whole process. Adopted fertilizer in the rice field is mainly rapeseed cakes and other organic fertilizer, Astragalus sinicus which is planted in a previous crop is adopted as green manure, and control of pests, diseases and weeds in the rice field is mainly achieved through agricultural control, biological control and physical control, such as frog breeding in the rice field, Trichogramma introducing in the field and insecticidal lamp placing in the field; matrine, azadirachtin and other bio-pesticide are applied to field blocks with serious pests, field weeds are controlled through artificial weeding assisted by nitrogen-fixing cyanobacteria which is bred in the field, and weeds at ridges are controlledthrough film mulching at the ridges. Through the ecological rice-planting frog-breeding method through combination of planting and breeding, environmental protection and field fertilization are achieved, and the produced rice has abundant nutrients and good quality.

The invention relates to a method for producing harmless selenium-rich black earth pork by utilizing a selenium-rich astragalus sinicus secondary conversion technology, which is characterized by comprising the following steps of: planting the astragalus sinicus, spraying on leaves by utilizing a prepared selenium-rich nutrient solution; drying in the sun, storing and pulverizing the selenium-rich astragalus sinicus, mixing with the pulverized high quality corn, wheat bran, bean pulp and mineral matter powder to prepare selenium-rich compound feeds; feeding according to different pig ages; and selling a pig growing to about 80kg to a target place for butchering, and processing into the harmless selenium-rich black earth pork which is packaged by a vacuum film. The method for producing harmless selenium-rich black earth pork by utilizing the selenium-rich astragalus sinicus secondary conversion technology has the advantages that the selenium bioavailability is high, the nutrition is safe, the meat quality is excellent, the capability against disease of the pig is strong, the residue of bacteriophage is low, the compound feed is high quality natural farm crops without pesticide residue, and the products subjected to inspection completely satisfy the harmless food standard.

The invention discloses a ridge type wet cultivation technology for paddy rice. The ridge type wet cultivation technology includes steps of (1), carrying out manure and rice rotation, sowing green manure in winters, to be more specific, planting astragalus sinicus or soybeans or oilseed rapes in slack seasons in winters, or returning straw to fields, combining land maintaining with land utilizing and biologically remedying the soil fertility; (2), forming ridges, directly sowing sprout rice, to be more specific, forming the ridges by means of water plowing and quantitatively directly sowing the sprout rice according to the ridges; (3), irrigating rice crops, to be more specific, managing water according to growth periods in a wet cultivation and dry management mode, controlling water consumption on the premise that physiological water requirements of the paddy rice are met, and only forming water layers for fertilization and pesticide application irrigation by the aid of natural rainfall instead of establishing water layers in the complete growth periods. The widths of the surfaces of the ridges range from 3 meters to 5 meters, and the widths and the depths of furrows respectively range from 0.3 meter to 0.5 meter. The ridge type wet cultivation technology has the advantages that lands can be maintained by the aid of the green manure, the paddy rice is subjected to ridge type wet cultivation, irrigation water consumption can be effectively controlled, cores of targets include production stabilization and cost economization and are supplemented by water conservation and land maintenance, accordingly, energy can be saved by the aid of the technology for the rice crops, environments can be protected by the aid of the technology for the rice crops, and the food and ecological safety can be guaranteed.

A river crab ecological breeding method comprises the steps of river crab feed grain planting and river crab breeding, wherein river crab feed grains are planted in the farmland first, and then the farmland is transformed into a breeding pond for breeding river crabs, so that the ecological breeding mode of harvesting twice in one year is achieved; the varieties of plants planted as the river crab feed grains comprise winter wheat, winter barley, astragalus sinicus, oilseed rape and various overwintering forage grass, vegetables and traditional Chinese medicine crops; the river crab feed grain planting is conducted in November in the first year, feed grain plants are planted and harvested in spring in the second year, and after being harvested, the feed grains are packaged and fermented to be used for feeding the river crabs. River crab breeding comprises the steps of breeding pond construction, river crab stocking, aquatic weed cultivation, feeding management and temporary rearing in a temporary rearing pond. The ecological breeding method effectively solves the problem of river crab breeding by means of the breeding method that the feed grains and the river crabs are harvested many times a year.

The invention discloses a shell breaking machine for milk vetch seeds and an operation method thereof, which comprises a shell breaking chamber, a motor, a rotating shaft, a mounting block, a positioning block, a stirring rod and a vibrating screen, and is characterized in that: the shell breaking machine The chamber is set on the bracket, and the shell breaking chamber is provided with a feed inlet, a dust outlet, a miscellaneous outlet, and a material outlet, and a vibrating motor is arranged on the inner wall of the shell breaking chamber, and the motor is arranged in the shell breaking chamber. On the outer wall, the rotating shaft is arranged in the cracking chamber, and one end thereof is connected to the motor through the cracking chamber, the positioning block is arranged on the connecting rod, and a stirring rod is arranged on the positioning block. The vibrating screen is set on the vibrating motor. In the present invention, a plurality of frosting strips are arranged on the stirring rod, and the rotation shaft is driven by the motor to rotate, and then the frosting strips are driven to rotate, so that the frosting strips can fully crack the shells of the milkvetch seeds in the shell breaking chamber, which can not only improve the The shell-breaking efficiency of milk vetch seeds also improved the shell-breaking quality of milk vetch seeds.

The invention discloses synergistic fertilizer for Hylocereus undatus and a preparation method of synergistic fertilizer and belongs to the technical field of agricultural cultivation. The synergistic fertilizer for the Hylocereus undatus comprises components in parts by weight as follows: 10-20 parts of oxalic acid, 10-20 parts of citric acid, 10-20 parts of selenium-rich organic fertilizer, 30-50 parts of pigeon's excrement, 20-30 parts of sheep manure, 10-20 parts of tobacco powder, 15-30 parts of mushroom residues, 20-40 parts of sulphur-based NPK compound fertilizer, 20-30 parts of tung bran, 10-20 parts of Sesbania, 10-20 parts of alfalfa, 10-20 parts of Astragalus sinicus, 1-3 parts of micronutrient fertilizer, 3-6 parts of rice chaff ash, 0.5-1 part of zymophyte, 1.2-2.5 parts of a microbial agent, 0.8-1.6 parts of nitrogen-fixing bacteria and 10-15 parts of water. According to the synergistic fertilizer for the Hylocereus undatus, a ratio of the components is reasonable, sufficient nutrients are provided for growth and development of the Hylocereus undatus, Hylocereus undatus yield can be increased, Hylocereus undatus quality can be improved, an insect repellent function is realized, and application reduction and synergism of chemical fertilizer and pesticides can be realized.

The invention relates to the technical field of fertilizers and particularly relates to an environmental-friendly fertilizer which is rich in nitrogen, phosphorus and potassium. The environmental-friendly fertilizer is prepared from the following raw materials in parts by weight: 60-75 parts of water lettuce, 100-120 parts of paeonia albiflora, 50-65 parts of astragalus sinicus, 80-100 parts of ficus tikoua, 70-100 parts of plant ash, 25-40 parts of rotten poultries, 28-38 parts of fruit peels and kernels, 50-75 parts of bagasse, 38-50 parts of egg shells, 50-60 parts of corncobs and 4-5 parts of a Shenzhong EM probiotic stock solution. The environmental-friendly fertilizer has the beneficial effects that rotten plants and poultries are used as base materials of the fertilizer, so that the sources of the raw materials are wide, and the cost is low; furthermore, the fertilizer is rich in nitrogen, phosphorus and potassium and does not need to be matched with other fertilizers for use.

The invention relates to the field of agriculture, in particular to a high-yield cultivation method of Tetrastigma hemsleyanum Diels et Gilg. Through planting of Nepeta Cataria, Artemisia dracunculusand Ligusticum wallichii in spacings of seedlings of Tetrastigma hemsleyanum Diels et Gilg in a dispersing and quantitative mode, the effect of pest expelling, promotion of the growth and developmentof Tetrastigma hemsleyanum Diels et Gilg and improvement of the content of beneficial components in tuberous roots of Tetrastigma hemsleyanum Diels et Gilg are achieved; and through application of green manure which is composed of selenium-enriched alfalfa, selenium-enriched Astragalus sinicus and Polygonum hydropiper and is rich in nutrients and high in selenium content, full promotion of the growth and development of Tetrastigma hemsleyanum Diels et Gilg, improvement of the content of the beneficial components in Tetrastigma hemsleyanum Diels et Gilg and a certain degree of killing effects on pests in soil are achieved. Through the high-yield cultivation method of Tetrastigma hemsleyanum Diels et Gilg, the yield of Tetrastigma hemsleyanum Diels et Gilg and the quality of the obtained Tetrastigma hemsleyanum Diels et Gilg can be improved.

The invention relates to a method for breeding and screening astragalus sinicus varieties with high selenium content, which comprises the following steps of: screening the selenium QRS values of the conventional high-quality astragalus sinicus varieties in China by using a quantum resonance spectrometer (QRS), hybridizing varieties of which the selenium QRS values reach +3, and further screening the selenium QRS values of first filial generation; planting the first filial generation of which the selenium QRS values reach +4, spraying selenium-rich nutrient solution with different concentrations on leaf surfaces twice in the growth period, and screening the selenium QRS values of seeds after the seeds are mature, wherein varieties of which the selenium QRS values of plants and the seeds are in the range of +5 to +7 are regarded as the astragalus sinicus varieties with high selenium content, and varieties of which the selenium QRS values are less than +5 are regarded as the common selenium-rich astragalus sinicus varieties; and performing corresponding biochemical analytical determination to determine the selenium content of each variety with high selenium content. The method has the advantages that: natural astragalus sinicus varieties with high selenium enrichment capacity are planted to convert exogenous inorganic selenium into organic selenium with high bioavailability, and are taken as selenium carriers to prepare green manure, feed additives and food additives, and selenium-rich agricultural products are produced through secondary conversion, so that the problem that food is lack of selenium is solved.

The invention discloses a vegetable-fertilizer dual-purpose high-efficiency cultivation method for astragalus sinicus in a winter-fallowed paddy field. The method comprises the following steps: a winter fallow field of rice areas in southern China is selected, after single-season rice or late rice is harvested, a mechanical ditching or artificial ditching manner is adopted to dig a surrounding ditch around the field, then a plurality of parallel strip ditches are dug in the surrounding ditch, the strip ditches communicate with the surrounding ditch, from mid-late September to mid-October, 3-4large-leaf type astragalus sinicus varieties of extremely early maturity, early maturity, medium maturity and late maturity in the different growth stages are used, drill seeding is performed, from January to April of a following year, according to growth conditions of different varieties of the astragalus sinicus, young shoots of the astragalus sinicus are sequentially picked to be used as vegetables, the rest remains in the field, and turning pressing is performed in the full-bloom stage to be used as green manure of the paddy field. The method disclosed by the invention takes into consideration the two functions of the vegetable and the green manure of the astragalus sinicus, prolongs a picking period of the astragalus sinicus as the vegetable, reduces labor input in the picking process, improves a yield of the picked fresh astragalus sinicus, fully develops the vegetable function of the astragalus sinicus, increases the added value of the astragalus sinicus as the vegetable, and has the effect of returning the astragalus sinicus to the field to fertilize soil in the paddy field; and the method has the characteristics of convenient operation, labor saving and time saving.

The invention discloses a method for repairing a cadmium-polluted rice field by intercropping sedum alfredii hance and astragalus sinicus. The sedum alfredii hance and the astragalus sinicus are planted in an idle rice field in winter, so that effective utilization of land resources and photo-thermal resources is realized, and idle land in the slack winter season and resource waste are avoided while soil of the low-concentration cadmium-polluted rice field is repaired; and the astragalus sinicus can be used as organic green manure; and the sedum alfredii hance and the astragalus sinicus are intercropped, so that cadmium in the soil is effectively removed, and therefore, post-cropping rice absorbs less cadmium.

The present invention provides a color rice planting method. The method comprises the following steps of: seed selecting: selecting color rice seeds that comprise purple leaf rice, gold rice and purple panicle rice; soaking the selected seeds into clean water for 24 hours; field processing: in March, planting 10kg of astragalus sinicus seeds in the field; after one month when the astragalus sinicus gets ripe, cultivating the field with a machine so as to bury the astragalus sinicus and meanwhile fertilizing the field with an organic fertilizer, 150-200kg per mu; planting: dividing the field into blocks with each block being a rectangle of 30 meters long and 20 meters wide, planting the same rice seeds in each block field, and after 30 days when the seeds grow into seedings, transplanting the seedings of different colors to form a required pattern; field management: covering the field with a covering net to prevent insects pest. The color rice provided by the invention has good colors and is high in ornamental values, and meanwhile the implementation quantity of waste materials is reduced and costs are reduced while plant height and harvest yield are guaranteed.