134 results about "Amorpha fruticosa" patented technology

The invention relates to the technical field of side slope treatment, and discloses a high and steep side slope ecological retrieved green spray-seeding base material and a preparation method and application of the base material. The spray-seeding base material comprises the following raw materials in parts by weight: 330-420 parts of planting soil, 20-30 parts of peat soil, 1.5-5 parts of organic fertilizer, 1-3 parts of grass fibers, 1-3 parts of sawdust, 0.03-0.05 part of a water-retaining agent, 0.02-0.04 part of an adhesive, 0.1-0.5 part of inorganic fertilizer, 0.5-2 parts of a pH adjustment agent, 30-44 parts of hybrid seeds and 150-200 parts of water, wherein the hybrid seeds consists of the following plant seeds in parts by weight: 10-12 parts of rhizomes tall fescue, 2-4 parts of trifolium repens, 3-5 parts of alfalfa, 2-3 parts of bermuda grass, 2.5-4 parts of indigofera pseudotinctoria, 4-6 parts of magnolia multiflora, 3-5 parts of cassia corymbosa, 2-3 parts of amorpha fruticosa and 1-2 parts of coreopsis. The base material disclosed by the invention for spray-seeding can make a soil replacement base layer with the intensity higher than 0.25MPa; after 45 days when a turf is formed, the rainwash strength is higher than or equal to 120mm / h; within half a year to a year, an ecological plant colony with shrubs which grow with the rainwash strength higher than or equal to 200mm / h and serve as main plants is formed.

The invention discloses an arid region heavily-salted original soil afforesting method. The arid region heavily-salted original soil afforesting method includes the steps that sand doping is firstly carried out to improve the physical structure of soil in a planting area, annual growth halophyte is planted in the first year to achieve afforesting and soil partial desalting, ridging is carried out in the second year to construct furrow terrains, tamarix chinensis, amorpha fruticosa and sweet clover which are resistant to salt are planted on ridges in a trickle irrigation mode to achieve biological salt moving and soil fertilizing, and suaeda salsa is planted in furrows in a trickle irrigation mode to increase the earth surface cover degree, improve physical-chemical properties of soil and desalt the soil. By means of the arid region heavily-salted original soil afforesting method, the physical improvement and the biological improvement of the salted soil are integrated, the technical measures of furrow cultivation and water saving trickle irrigation are combined, the arid region heavily-salted original soil afforesting method is easy and convenient to operate and low in cost, and the stability and the sustainability of the heavily-salted original soil afforesting are achieved.

The invention belongs to a highway greening cultivation technology and in particular to a greening planting technology for an expressway in the arid area of desert. The technology is characterized by comprising the following steps: selecting corresponding arbor, shrub and grass according to the local topography, landform, climate characteristics, vegetation condition and common nursery stock varieties, and performing planting time selection, planting preparation, planting of the arbor, shrub and grass, vegetation maintenance, daily nursing and the like, wherein the arbor is selected from one or several of poplar, Saliz matsudana or pinus sylvestris; the shrub is selected from two or more of Amorpha fruticosa, Sabina vulgaris, caragana microphylla and hedysarum scoparium; and the grass is selected from one or several of medicago sativa, Astragalus adsurgens and Artemisia songarica Schrenk. According to the invention, the time from nursery stock planting to large-scale greening is basically consistent with the time from highway construction to operation, and the construction period is relatively reasonable; the selected nursery stock is common nursery stock which has sufficient supply source, is drought-resistant, easily survives and grows quickly; and the purchase cost and maintenance cost are low.

The invention relates to the field of cut slope protection construction, in particular to a fast construction method of rock slope protection. The method includes the steps of firstly, cleaning and leveling a slope surface; secondly, mounting a vegetation board; thirdly, paving a steel wire mesh; fourthly, spraying artificial soil; fifthly, spraying seedling substrate; sixthly, covering a protecting layer; seventhly, maintenance and management; wherein the seedling substrate is mixed by Lespedeza seeds, Magnolia multiflora seeds, crotalaria mucronata seeds, Robinia pseudoacacia seeds, amorpha fruticosa seeds and artificial soil. The method is fast in construction, vegetation can be restored rapidly, species diversity and natural succession can be formed in a short term, and natural environments can be beautified. Trees and shrubs are developed in roots and high in slope protection capability, a stable protection layer with certain strength can be formed on the slope surface in a short term, water and soil loss can be prevented, and slope stability can be guaranteed.

The present invention relates to an isolated DNA sequence encoding a polypeptide having the biological activity of amorpha-4,11-diene synthase. This DNA sequence can be used for the transformation of bacteria, yeasts and plants for the production of amorpha-4,11-diene, a specific precursor in the synthesis of artemisinin, in the respective organisms. The invention also relates to these organisms.

The invention provides a fertilizer with high saline-alkali soil organic matter content. The fertilizer with high saline-alkali soil organic matter content comprises the following components in parts by mass: 40-45 parts of organic fertilizer, 30-36 parts of peat, 7-10 parts of vermiculite, 5-6 parts of potassium feldspar, 7-10 parts of fulvic acid, 4-6 parts of humic acid, 3-5 parts of compound fertilizer, 0.4-0.6 part of a water retaining agent, 2-3 parts of succinic acid, 1-2 parts of silica gel and 0.3-0.7 part of trace elements. The invention also provides an application of the fertilizer in planting of amorpha fruticosa. The fertilizer with high saline-alkali soil organic matter content has the beneficial effects that the pH value of soil is reduced to 7.4-7.6, and the alkalization degree of the soil is reduced to 6.1-6.5; the total nitrogen content of the soil is increased to 0.12-0.19%; and the fertilizer with high saline-alkali soil organic matter content is applied to planting of amorpha fruticosa in saline-alkali soil, and the transplanting survival rate of the amorpha fruticosa is 96.5-98.6%.

The invention relates to a reclamation greening method for a tailing side slope. Tailing side slope tailing residues are selected as main substrate materials, charcoal and organic fertilizer are addedas an improving agent, and additives such as a water retaining agent and adhesives are added, the substrate is adopted for performing reclamation greening on the tailing side slope, amorpha fruticosa, red fescue, sea-buckthorn, coreopsis and kochia scoparia are adopted as target plants, the plant growth speed is high, resistance is high, the better ecologic repair greening effect is achieved, theslope protecting function can be enhanced, construction is convenient, maintenance is convenient, and the substrate adopted in the method is a soilless greening substrate, the cost is low, the repaired side slope soil environment quality meets the requirement for the secondary standard value of national environment quality standards (GB15618 1995), and the parallel effects of ecologic repair andslope protection are achieved.

The invention relates to stabilizing methods of the ecological agriculture, particularly to a soil, plant and biological stabilizing method of an agricultural watershed riparian zone side slope. The soil, plant and biological stabilizing method comprises starting from a position close to a river way to plant three rows of annual Salix integra and planting three rows of annual Amorpha fruticosa along the direction parallel to a river bank after artificial leveling and performing cross planting on the Salix integra and the Amorpha fruticosa according to the order in turn; performing artificial trimming on a side slope protection zone and setting the integral side slope protection section into a step-shaped structure in which three small side slopes are connected with two small platforms; protecting the small side slopes of the side slope protection section through polypropylene non-woven fabrics, laying the non-woven fabrics on the small side slopes, fixing the top end and the bottom of every small side slope through rivets respectively and performing vegetation cutting in the middle of every small side slope; performing Salix integra cutting on every small side slope of the side slope protection section and performing cutting in the middle of each small platform of the side slope protection section through a row of Amorpha fruticosa. According to the soil, plant and biological stabilizing method of the agricultural watershed riparian zone side slope, the artificial disturbance is less, the cost is low, the recovery is rapid, the effect is good, the soil, the close-to-natural-landscape effect is achieved, and the artificial maintenance is not required by the later period of ecological slope protection and pollution control.

The invention relates to the technical field of side slope treatment and discloses a spray-seeding substrate for ecological reafforestation of high and steep side slopes, a preparation method for the spray-seeding substrate and an application of the spray-seeding substrate. The spray-seeding substrate contains the following raw materials in parts by weight: 330-420 parts of planting soil, 20-30 parts of peat soil, 1.5-5 parts of organic fertilizer, 1-3 parts of grass fibers, 1-3 parts of wood sawdust, 0.03-0.05 part of water retention agent, 0.02-0.04 part of binder, 0.1-0.5 part of inorganic fertilizer, 0.5-2 parts of pH regulator, 30-44 parts of seed mixture and 150-200 parts of water, wherein the seed mixture is prepared from the following plant seeds in parts by weight: 10-12 parts of rhizome-type festuca arundinacea, 2-4 parts of Trifolium repens, 3-5 parts of Medicago sativa, 2-3 parts of bermuda grass, 2.5-4 parts of Indigofera pseudotinctoria, 4-6 parts of magnolia multiflora, 3-5 parts of cassia corymbosa, 2-3 parts of amorpha fruticosa and 1-2 parts of cosmos bipinnatus. Through carrying out spray-seeding by using the substrate disclosed by the invention, an imported-soil base course with the strength of 0.25MPa or more can be formed, the rainfall erosion resistance after 45-day plain forming is not lower than 120mm / h, and a shrub-dominated and grass-shrub-combined ecological plant community with the rainfall erosion resistance not lower than 200mm / h is formed in half a year to a year.

The invention provides a medication composition ,which contains isopentenyl biflavone and isoflavone and is extracted and separated from the novel medicinal resource amorpha fruticosa root for the first time, and that the amorpha fruticosa root medication composition has the effects of inhibiting alpha-glucosidase activity and lipase activity, and can be used for preventing and treating diabetes and hyperlipemia is proved for the first time. The invention further relates to a pharmaceutical preparation of the medication, and the medication can be prepared into oral preparations such as hard capsule, soft capsule, tablet, granule, powder, pill, tea-bag and medicated wine.

The invention discloses a method for replacement control of Eupatorium adenophorum Sprengel by using Amorpha fruticosa L. in the field of biological prevention and control. The method is used for replacing the Eupatorium adenophorum Sprengel by using the Amorpha fruticosa L. to construct an ecological community with a positive succession function through steps of seeding the Amorpha fruticosa L., removing weed at proper time, conducting targeted fertilization and the like on land which is full of the Eupatorium adenophorum Sprengel. Two years later after the Amorpha fruticosa L. is seeded, the growth speed is accelerated, a good effect of replacing and controlling the Eupatorium adenophorum Sprengel is taken, soil fertility can be improved and the Amorpha fruticosa L. can be used as plants with economic use values.

The invention discloses a method for vegetation restoration in a coal mine area. The method comprises the following steps: (1) crushing coal gangue into fragments with a diameter of 2-5 cm, and leveling a coal mine subsidence area and surrounding land; (2) laying a layer of a first matrix material with a thickness of 0.6-0.8 m on the leveled land; (3) laying a layer of a second matrix material with a thickness of 0.4-0.6 m on the a soil covering layer; and (4) planting Chinese pines and amorpha fruticosa on the second matrix material in a row interplanting manner, then planting alfalfa at empty spaces of the Chinese pines and the amorpha fruticosa, and subsequently carrying out management according to a conventional management method. The first matrix material and the second matrix material provided by the invention can provide soil fertility, improve the soil structure, provide abundant nutrient substances for growth of the Chinese pines, the amorpha fruticosa and the alfalfa, and also can exert an effect of retaining water and fixing heavy metals. The growth of the three plants is facilitated, and the effect of vegetation restoration is further achieved.

The invention discloses instant vermicelli and a preparation technology thereof and relates to the technical field of food processing. The instant vermicelli comprises, by weight, 90-110 parts of wheat flour, 4-6 parts of black soya bean powder, 4-6 parts of Chinese chestnut powder, 2-4 parts of pilose asiabell root, 3-5 parts of raw radix astragali, 4-6 parts of jujube honey, 0.5-1 part of wine, 1-3 parts of fruit wine, 0.1-1 part of amorpha fruticosa pollen, 0.1-1 part of broad bean pollen, 4-6 parts of bucket wheat flour, 1-3 parts of lean meat powder, 2-4 parts of winter bamboo shoot powder, 15-25 parts of stir-fried rice-flour, 0.1-0.8 parts of soya lecithin, 0.5-3 parts of fresh milk, 0.2-1 part of flower of kudzuvine, 0.3-0.9 parts of sunflower pollen, 0.1-0.5 parts of celery leaf oil and 0.1-0.4 parts of table salt. Through use of pollen components in the formula, a vermicelli nutrition value is improved and the vermicelli is suitable for modern diet demands. The instant vermicelli has good toughness, a good taste, no additive and eating safety and reliability. Through mixing with boiling water for 3-5min, the instant vermicelli can be eaten conveniently.

The invention relates to the field of sika deer feeding, and discloses a feed for feeding a sika deer. The feed comprises two parts of a concentrated feed and a coarse feed, wherein the concentrated feed is prepared from the following components: sorghum, corn, rapeseed meal, soya bean meal, bean cakes, wheat bran, peanut, sesame, pumpkin, rice bran, carrot, amorpha fruticosa leaf powder, amorpha fruticose seeds, fish meal, bone meal, vegetable juice, yeast, multivitamin and salt; the concentrated feed contains a lot of calcium and vitamin D, and can be fully absorbed by the sika deer; rickets of born cubs can be prevented; the concentrated feed contains a ferulic acid and phytosterol, so that an intestinal tract disease can be prevented; and the sika deer can be delicate in meat, much in lean meat, few in connective tissues and good in taste after being fed by the concentrated feed; and the coarse feed comprises cornstalks, soybean stalks, dry alfalfa, dry sudangrass, dry pennisetum hydridum and lespedeza stalks; the coarse feed contains abundant crude protein and cellulose, so that the growth speed of the sika deer can be improved and the weight of the born cubs is improved.

The invention provides a method for substituting flaveria bidentis by utilizing amorpha fruticosa. In the method, the amorpha fruticosa is adopted to biologically substitute the flaveria bidentis. In the method, the plant height, the branch number, the living weight per plant, the plant number per square meter and the soluble protein content of the flaveria bidentis are significantly decreased comparatively; the method can play the role in obviously controlling alien invasion of the flaveria bidentis; especially for the second year, the inhibitory action of the amorpha fruticosa to the flaveria bidentis is more obvious; in addition, the flaveria bidentis also has the functions of improving the soil, conserving the water resource, conserving the water and soil, beautifying the environment, and providing the feeds, the nectar sources and the weaving materials and the like, thus the method provided by the invention can control the population quantity of the flaveria bidentis, and also can realize better economic value.

The invention discloses a pholiota nameko three-grade seed production method taking amorpha fruticosa braches as base raw materials. The pholiota nameko three-grade seed production method comprises the following steps: obtaining branch wood sections, treating the branch wood sections, distributing wheat bran on the branch wood sections, preparing an auxiliary culture base material, forming a strain material bag, sterilizing at high pressure and inoculating. The auxiliary culture base material is prepared from the following materials in percentage by mass: 72%-85% of saw dust, 15%-25% of wheat bran, 0.5%-2% of gypsum and 0.5%-2% of lime; water is added into the materials and is uniformly mixed, and the moisture content is controlled to be about 65%. By the aid of the method for preparing pholiota nameko three-grade seeds, the fungi growth time can be shortened for 20-30 days, the inoculating speed is rapid and the pollution rate is greatly reduced; mycelia are thick and dense and grow vigorous; strains on the upper part can be prevented from being aged and the strain preservation period is prolonged by more than 30-40 days.

The invention discloses a straw mushroom culture medium and a preparation method thereof. The straw mushroom culture medium is prepared from the following raw materials in parts by weight: 20-30 parts of straw stalk, 25-29 parts of cotton seed hull, 5-8 parts of amorpha fruticosa branch and leaf, 4-8 parts of bean cake, 18-25 parts of sweet pennisetum purpureum schum, 15-25 parts of corn cob particles, 10-16 parts of dried cow dung, 3-6 parts of shell powder, 0.4-0.8 part of calcium superphosphate, 0.15-0.35 part of monopotassium phosphate, 1-4 parts of quick lime, 0.1-0.25 part of cellulase, and 5-10 parts of a nutrition additive. The culture medium is wide in raw material source; due to the addition of nutrition additive, the mushroom can grow better, has thick stalk, and is not easy to fall; the shape of the whole mushroom is attractive; and the production cost is relatively low, the culture medium has good practical effect, and the biological conversion rate of the straw mushroom is high.

The invention discloses highly slow-release compost for mushroom growing. The materials include peanut shells, bran, sawdust, bamboo powder, walnut skin, dried pond mud, corn residue, pennisetum sinese, cotton stalks, gypsum, Chinese herbal medicine decoction dreg, pityoxylon chips, amorpha fruticosa, corncobs, hemp seed husks, distiller's grains, calcium superphosphate, calcium hydrophosphate, urea, beta-oligomeric acid, slow-release filler and water-absorbing additive. The invention further provides a preparation method for the highly slow-release compost for mushroom growing. The highly slow-release compost for mushroom growing prepared by the invention has an excellent slow release property, can provide rich nutrient substances for the high-efficiency growth of mushrooms, and increases the yield and quality of mushrooms.

The invention discloses a special fertilizer for green Chinese onion and a preparation method thereof. The fertilizer is prepared from the following components in parts by mass: 22-25 parts of amorpha fruticosa green manure, 18-20 parts of nitrogenous fertilizer, 14-16 parts of phosphate fertilizer, 11-13 parts of potassium sulfate, 12-14 parts of calcium phosphate, 9-11 parts of bean cake, 7-9 parts of borax, 6-9 parts of ammonium bicarbonate, 5-8 parts of ferrous sulfate, 3-6 parts of comprehensive bacteria fertilizer, 2-4 parts of alginic acid, 8-10 parts of decomposed fowl manure, 4-6 parts of pulverized fuel ash, 1-3 parts of ammonium humate and 50-60 parts of water. The fertilizer is rich in nutrition and balanced in proportion, and is capable of effectively promoting green Chinese onion to grow healthily and onion stalk to be long and thick, so that the yield of green Chinese onion is remarkably improved, and the fertilizer does not have pollution on environment and green Chinese onion.

The invention discloses a universal pig feed prepared from the following raw materials in parts by weight: maize, sunflower calathide, maize alcohol grains, wheat, bean pulp, full-fat soybean, rapeseed dregs, bran, fish meal, silkworm chrysalis meal, animal meal, soybean meal, premix, amino acid, natural betaine, calcium hydrogen phosphate, chocolate powder, red date extracts, propolis, saccharicterpenin, kelp powder, endive, superfine ground tea powder, cassava, orange peel residues, pagoda flowers, poplar flowers, amorpha fruticosa seeds and garlic seedlings. Various cheap raw materials are adopted in the universal pig feed disclosed by the invention, so that the production cost is reduced, meanwhile, the appetite and digestive ability of a pig are improved, the immunity of the pig is enhanced, and the economic benefit of a pig farmer is increased.

The invention discloses a composite fertilizer which is prepared from 7-10 parts of Chinese trumpet creeper, 8-15 parts of astragalus smicus, 5-10 parts of sickle alfalfa, 2-5 parts of sweet clover, 3-6 parts of sun hemp, 1-5 parts of sesbania cannabina, 3-6 parts of amorpha fruticosa, 0-4 parts of duckweed, 2-8 parts of eichhornia crassipes, 4-9 parts of herb of alligator alternanthera, 3-8 parts of soybean pulp, 4-8 parts of tea leaf residues, 1-4 parts of plant ash, 4-8 parts of pea, 6-12 parts of broad beans, 10-15 parts of wheat bran and straw, an EM leavening agent and mountain spring water. As generally natural and green plant raw materials are adopted, the composite fertilizer disclosed by the invention is not only safe, environment-friendly, free of harmful substance pollution as no artificial additive or heavy metal is added, but also rich in nutrition component such as protein, vitamin and carotene, has the characteristics of improving the soil environment, improving the land fertility, and recycling natural resources, and also has the characteristics of recycling resources and protecting the air environment as wheat bran and straw which are regarded as agriculture wastes in conventional agriculture are used as raw materials. The invention further discloses a method for preparing the composite fertilizer.

The invention discloses a preparation method for amorpha fruticosa glycosides. The method includes the following steps that (1) amorpha fruticosa fruit raw material is taken and smashed, biological enzymes are added to carry out enzymolysis, the raw material after the enzymolysis is added to a 60-90% ethanol solution and is subjected to reflux extraction for 2-3 times, wherein the amount of the ethanol solution is 5-10 times that of the raw material, an extracted solution is filtered and concentrated, a concentrated solution is diluted by adding appropriate amount of water and then adsorbed through macroporous resin, gradient elution is carried out through an ethanol solution, and an eluant is concentrated to obtain a concentrated solution; (2) the concentrated solution is diluted by adding appropriate amount of water and added to the macroporous resin for adsorption, a 30% ethanol solution with the volume six times of a column volume, then 55% ethanol with the volume eight times of the column volume is used for elution, the eluant is collected, concentrated in a decompression mode to a small volume and stands for crystallization, the crystal substance is subjected to recrystallization through ethyl acetate, and the amorpha fruticosa glycosides are obtained after low temperature drying. The preparation method for the amorpha fruticosa glycosides is simple in technological operation, low in production cost and easy to produce industrially.

The invention relates to a botanical acaricide which is suitable for preventing and controlling harmful mites on cash crops such as fruit trees, vegetables, and the like, a preparation method and a use thereof. The botanical acaricide is prepared by adding surface active agent, emulsifier, osmotic agent, synergistic agent and the like onto the valid targets of Brucea javanica, Gleditsia sinensis or Amorpha fruticosa, and is characterized by high efficacy, low toxicity, lower residue, good compatibility with the environment, etc.

The invention discloses a broccoli seedling matrix which is prepared from amorpha fruticosa branches, Chinese aralis bark, chestnut shells, sepiolite, sand, modified bentonite, chicken manure, sheep manure and additives. The components are reasonably matched, the prepared matrix is rich in nutrient, extra fertilizer substances do not need to be added in the broccoli seedling period, disease and pest resistance is good, the matrix is small in capacity, growth and development of seedling roots are protected and promoted, finally raised seedlings are strong in growth tendency and high in tidiness, seedling exercising is not needed during transplanting and planting, the transplanting survival rate can reach 96% or above, and market competitiveness is very strong.

The invention relates to a method for producing a horticultural substrate through amorpha fruticose branches. The method is characterized by including the following steps: smashing amorpha fruticose branches into amorpha fruticose branch powder, spraying water on the powder until the water content is 60%-65%; adding an organic fertilizer, urea and zymin, uniformly mixing; accumulating and fermenting at the environment temperature of 10 DEG C to 40 DEG C, completing fermentation until the center temperature of the pile is reduced to the environment temperature; fully mixing the fermented product obtained after fermentation with perlite and vermiculite as per the volume ratio of 3:1:2 to obtain the seedling culture substrate, or fully mixing the fermented product obtained after fermentation with perlite, vermiculite and organic fertilizer as per the volume ratio of 7:2:1:1 to obtain the culture substrate. Through the adoption of the method, amorpha fruticose branches are used as raw materials of substrates for vegetable farming and seedling culture, and the method has the following advantages: (1), the amorpha fruticose resource is renewable; (2), the source is wide, and the price is low.

The invention provides an original soil planting method for planting amorpha fruticosa in a saline-alkali land by using a mulberry bark extract-containing rooting agent. The original soil planting method comprises a step of setting a seedling planting pit, comprising a substep of spreading the rooting agent; the rooting agent comprises the following components: sodium naphthalene acetate, 2, 4-dichlorphenoxyacetic acid, monoammonium phosphate, a soil activating agent, a slow-release agent, a trisodium phosphate, a mulberry bark extract, yellow phosphorus slag powder, rubber powder, cytokinin, gallic acid, fermented seaweed liquid, goose breast meat powder, polyglutamic acid, an anti-blocking agent and kudzu vine root. By the original soil planting method, the root activity is effectively improved, the growing speed of a new root is promoted, the average length of the new roots reaches 10.1-12.3 mm within 20 days, and compared with a control group, the increase rate of the root activity is 3.6-4.5%.

The invention first separates amorpha fruticosa seeds to obtain (-)-sumatrol with agricultural fungicide activity and discloses (-)-sumatrol having strong restrain and disinfection functions on phytopathogen. The (-)-sumatrol can be prepared into agricultural fungicide, widens using ranges of leguminous plant amorpha fruticosa and provides reliable technical base for development of plant pesticide.

The invention relates to a treatment method for improving a tailing soil substrate. By inoculating tailing soil containing a modifier with rhizobium, nitrogen fixing capacity of the soil is improved,content of nutrients is increased, and accordingly, the purpose of improvement is achieved. The modifier comprising loess, urea, calcium superphosphate, potassium sulfate and organic fertilizer is added to the tailing soil firstly, Amorpha fruticosa seedlings are planted, and then cultured rhizobium liquid is applied to roots of the Amorpha fruticosa seedlings. The total nitrogen content index indicates that nitrogen content of tailings after improvement is increased. The method can have an ecological remediation effect on the tailing soil and aims to improve fertility of the tailing soil, plants can survive in barren tailing soil, and ecological remediation work is convenient to carry out.

The invention discloses a nutrient-rich fertilizer and a preparation method thereof. The fertilizer is prepared from following raw materials in parts by weight: 40-50 of soybean straw, 20-25 of charcoal, 20-25 of peanut shell, 10-14 of urea, 11-13 of lignite, 12-14 of basalt powder, 11-14 of medical stone, 9-13 of peat soil, 10-12 of humus soil, 5-7 of amorpha fruticosa, 4-5 of flaccid knotweed herb, 10-12 of calcium superphosphate, 11-13 of potassium sulfate, and 9-11 of a soil modifier. The nutrient-rich fertilizer can meet the growth requirements of plants and can provide comprehensive and reasonable nutrition. The basalt powder can provide rich calcium, silicon, magnesium, sulfur, iron, copper, boron, zinc, cobalt, and other medium trace elements needed by the plants for the fertilizer. The peat soil can provide a large quantity of organic matters and humic acid and is capable of increasing the biological chemical activity of the soil, increasing the effective adsorption rate of the fertilizer, reducing soil hardening phenomena and reducing pollution of the fertilizer to the environment. The humic acid can absorb sunlight heat, thus increasing the soil temperature and preventing freeze injury and disordered seedlings. Accordingly, the fertilizer is capable of increasing the plant output largely and improving the quality of plants largely.