1083results about How to "Promote growth and development" patented technology

The invention relates to a bio-organic compound fertilizer, which comprises the following components in part by weight: 10 to 30 parts of organic matter, 2 to 10 parts of compound microbial inoculants, 5 to 20 parts of humic acid, 5 to 20 parts of amino acid, 4 to 10 parts of chitin, 1 to 5 parts of polypeptide, 530 parts of nitrogen, phosphorus and potassium, 5 to 10 parts of secondary and trace elements, 5 to 15 parts of algae fertilizer, 5 to 10 parts of zeolite powder and 1 to 5 parts of synergistic agent. Through the scientific and rational formula, the bio-organic compound fertilizer achieves nutritive equilibrium and can satisfy the need of crop growth in nutrient. The microbial inoculants are added to quickly degrade natural macromolecular organic compounds into the organic fertilizer and decompose organic pollutants, which effectively improves the capacity of crops in the absorption of nutrient components, reduces the waste of the fertilizer and reduces the damage of the chemical fertilizer to soil to further achieve the nutritive equilibrium, satisfy the need of the crop growth in the nutrient, achieve the aims of low investment and high output value, improve the quality of the crops and improve the economic benefit brought by the crops.

The invention relates to a restoration method for a damaged ecosystem in a steep-slope area in a water-level-fluctuating zone of a reservoir. The method comprises the following steps:when the impounded water level is at the lowest point, cleaning the upstream slope in the water-level-fluctuating zone, and manually tamping; digging planting holes at the top of the slope, and planting Chinese red pines and the like to form a multifunctional protective forest belt; digging planting grooves and planting holes within the range of the water-level-fluctuating zone, laying jute geotextile, planting vetiver within the range with the water-level-fluctuating depth of 2m to form a hedgerow; and mixedly planting vetiver and wire grass within the range with the water-level-fluctuating depth of 2-10m to form a combined vegetation slope restoration belt. The protective forest belt, the hedgerow and the combined vegetation slope restoration belt form a three-dimensional restoration space together, thereby ensuring that plants can take roots and restore in the steep-slope area in the water-level-fluctuating zone. By restoring the vegetation in large area, the invention effectively reduces the overland flow and the soil erosion, and improves the fertility and the properties of the soil, thereby restoring the damaged ecosystem. The invention has the advantages of convenient construction and less investment, can not be easily damaged by water, and is applicable to the water-level-fluctuating zone of a reservoir with large water-level-fluctuating range and precipitous topography.

A total nutrient liquid fertilizer containing amino acids comprises, by weights, 6-12 parts of N, 1-6 parts of P, 3-10 parts of K, 1-3 parts of Ca, 1-3 parts of Mg, 9-13 parts of Zn, 2-10 parts of Mn, 1-2 parts of B, 0.5-2 parts of Cu, 0.2-0.5 parts of Mo, 3-10 parts of Fe, 10-15 parts of amino acids, 1-10 parts of a plant growth regulator, 2-5 parts of an organic chelating agent and 30-40 parts of water. The liquid fertilizer provides comprehensive nutrition for plants, enhances the freeze, drought, salt and disease resistance of the plants, enhances the synthesis and translocation of substances in the plants, promotes the formation of adenosine triphosphate (ATP), promotes the photosynthesis and protein synthesis, induces the formation of chlorophyll, promotes the cell protoplasm flow, improves the cell vitality and accelerates the growth of the plants.

The invention relates to a pig feed, in particular to a nursery pig concentrated feed, comprising the following raw materials by weight proportion: 30-50 of sucking pig composite vitamin, 30-50 of low copper mineral element, 60-100 of peeled soybean meal, 100-180 of fermented soybean meal, 100-150 of extruded soybean, 110-180 of steam fish meal, 50-100 of dried porcine soluble, 60-120 of acid whey powder, 80-90 of glucose powder, 5-10 of glutamine, 80-100 of chyle fat powder, 40-49 of calcium carbonate, 12-14 of basic zinc chloride, 4-6 of salt, 55-60 of calcium biphosphate, 6-10 of sodium butyrate, 12-15 of lysine, 6-8 of threonine, 4-6 of TP-100 enzyme, 4-5 of cysteine, 5-7 of se-enriched yeast and 6-10 of copper chloride hydroxide. The nursery pig concentrated feed has the advantages of milk nutrition composition simulation, good palatability, high digestibility, large feed intake because the baby pigs like to eat and improvement of survival rate as well as immunity of the nursery pigs.

The ecological nutritive compound feed for meat chicken consists of corn, soybean dregs, corn protein powder, lysine, methionine, soybean oil, salt, sodium bicarbonate, stone powder, calcium biphosphate and other materials. It has the functions of promoting growth of meat chicken, raising immunity and raising disease resistance. The feed contains no antibiotic and has no drug residue.

The invention relates to heavy metal resistance plant growth-promoting bacteria and a preparation applying method thereof, which belongs to the bioremediation field of heavy metal polluted environment. A bacteria strain D54 with a preservation number of CGMCC No. 3223 belongs to the Burkholderia sp. and has higher resistance to a plurality of heavy metals, wherein the resistances to Pb <2+>, Cd <2+>, Cu <2+>, Zn <2+> respectively reach 800 mg/L, 1500 mg/L, 150 mg/L and 2500 mg/L. In addition, the bacteria strain D54 has the plant growth-promoting functions of producing plant growth hormone (IAA), producing 1-amino-1-carboxyl cyclopropane (ACC) deaminase, secreting siderophore, dissolving inorganic phosphate, fixing nitrogen and the like, has the biological prevention functions of antagonizing plant pathogenic bacteria inbreak and the like, and can obviously improve the biomass of the plants applied the invention and improve the resistance to diseases and stresses. The number of the effective viable bacteria in liquid preparation reaches 1-2 billion/ml and the number of the effective viable bacteria in solid preparation reaches 1 billion/g. Soaking seeds for 1-2 hours in the liquidpreparation which is diluted 100 times and irrigating the diluted liquid preparation 1-2 times (10ml/kg) after 2-3 weeks of the sprouting of the seeds can effectively improve plant viable bacteria infection probability.

The invention discloses a preparation method of an algae fertilizer. The preparation method comprises the following steps: 1) removing impurities and exotic matters in algae; 2) completely soaking with ethanol for 24 hours; 3) concentrating lixivium at reduced pressure until extract is obtained; 4) carrying out freeze drying on residue; 5) evenly mixing the extract with the residue; and 6) carrying out spray drying, and carrying out dry granulation so as to obtain the algae fertilizer. The algae fertilizer prepared by using the method has specific advantages in the aspects of improving self-metabolism of a plant, adapting to external environment and providing nutrient substances, and is a natural green fertilizer which is simple in process and suitable for planting organic vegetables.

The invention relates to a compound microbial organic fertilizer and a preparation method thereof. The compound microbial organic fertilizer is prepared from the following ingredients in parts by weight: 1-4 parts of trichoderma viride JUWEI002 fermentation liquor, 1-4 parts of bacillus subtilis JUWEI001 fermentation liquor, 20-30 parts of turfy soil, 33-38 parts of tobacco residue, 33-38 parts of silkworm faeces, 6-7 parts of calcium powder and 1-2 parts of potassium fulvate. The compound microbial organic fertilizer disclosed by the invention has the advantages that the quality of crops can be remarkably improved, the yield of the crops is increased, and the soil structure is improved.

The invention discloses prescriptions of feeds for breeding pigeons in different growing phases and a breeding method thereof. Corresponding feed prescriptions are respectively provided according to the characteristics of different growing demands of breeding pigeons in different growing phases at different ages in days, components of the feed prescriptions are common feeds, and are low in cost, convenient to buy and strong in feed conversion ration. The feed prescriptions for growing phases can be used for effectively preventing common diseases of breeding pigeons in the growing stage, balanced supply of energy and protein can be met according to the characteristics of different growing-phase demands of pigeons, the growing development and multiplication of the breeding pigeons can be promoted, the laying amount and the laying quality can be improved, the content of cholesterol in meat can be reduced, and the body health can be benefited.

The invention discloses an endophytic fungi chaetomium globosum strain, a microbial agent and an application thereof. The strain is named as chaetomium globosum strain ND 35, the preservation organization is the China General Microbiological Culture Collection Center, the preservation date is 9th,10,2010, the preservation number is CGMCC No. 4136. The strain is a biological beneficial bacteria with a plurality of biological control effect mechanisms, and has the plant pathogen inhibition capability with broad-spectrum and high-efficiency, and also has capability for promoting a plurality of plants growth, and is suitable for industrial production, the shelf life is long which is suitable for preventing and treating the plant diseases, so that the strain is used for producing the biological bactericide products for preventing and treating a plurality of plant diseases and multifunctional biofertilizer products for promoting the growth of plants.

The invention belongs to the technical field of plant seedling culture, and discloses a seedling growing method for oil expression peony seeds. The method comprises measures of collection and processing of the oil expression peony seeds, seed storage, seedbed preparation, sowing and seedling raising, management after transplantation, and the like. Compared with the prior art, the method has the advantages that the seed processing time is short, the seed processing method is simple, the emergence of seedlings is tidy, the emergence rate is high, the seedling survival rate is high, the seedling raising cost is low, no season influence of transplantation after seedling survival exists and the like.

The invention discloses a chicken manure fermentation organic fertilizer, which is prepared from the following raw materials: chicken manure, straw powders, konjak flour, corn flour, cellulose, zeolite, humic acid, potassium dihydrogen phosphate, urea, peat soil, a leavening agent, a soil improvement agent, a film coating agent, potassium sulfate, borax and calcium superphosphate. The above raw materials are subjected to the integrated treatment of anaerobic fermentation and aerobic fermentation, so that the organic fertilizer is prepared through the fermentation of the chicken manure. The chicken manure fermentation organic fertilizer is complete in fermentation effect, and is capable of killing plant pathogenic bacteria, eggs, weed seeds and other harmful microorganisms in the chicken manure, and generating a large amount of nutrients beneficial to the plant growth and the plant absorption. The process is simple and easy to implement. The raw materials of the prepared organic fertilizer are rich in nutrition. Meanwhile, the prepared organic fertilizer is high in fertilizer efficiency and rich in nutrition, and can coordinate the soil nutrient balance, improve the soil nutrient, promote the plant growth, increase the plant yield and improve the plant quality.

The invention discloses a liquid film prepared from crop straw fermentation liquid and an application method thereof. The liquid film comprises the following components in parts by weight: 82-99 parts of raw materials, 11-14 parts of film forming agent, 2-3 parts of plasticizer, 1.3-2.5 parts of crosslinking agent, 0.02-0.05 part of initiator, 0.2-0.3 part of pH regulator and 0.1-0.3 part of additional component, wherein the raw materials include 68-79 parts of crop straw fermentation waste liquid or water, 7-10 parts of bentonite, 2-3 parts of modified starch and 5-7 parts of potassium humate; and the additional component is one or more of crofton weed extraction liquid, potassium nitrate, trace elements and composite microbial agent spore powder. The liquid film disclosed by the invention has the advantages of simple proportioning, simple structure, convenience in use, low cost, low labor intensity and degradability; and after degradation, the liquid film can improve the soil texture and aggregate structure so as to improve the fertilizer efficiency.

The invention discloses a movable LED illumination circulation plant water-culture device. The movable LED illumination circulation plant water-culture device mainly comprises a multilayer support, a planting device, a lighting system, a temperature control system and a water, fertilizer and air integrated circular supplement system. The movable LED illumination circulation plant water-culture device can be moved to a proper place to perform water culture according to natural lighting conditions and space sizes, fixed in a room for use, and moved out of the room or moved to a corridor for use. The movable LED illumination circulation plant water-culture device is simple in structure and convenient to operate, so that the movable LED illumination circulation plant water-culture device is applicable to homes and laboratories for researches. Furthermore, the movable LED illumination circulation plant water-culture device is suitable for planting of nursery stocks of multiple plants, branch planting and seed sowing. By controlling lighting time and the temperature of water culture liquor and supplementing water, fertilizers and air (oxygen) in a circular mode, growth and development of the plants are promoted, and therefore, plant water culture which is low in power consumption, easy to operate, rapid in growth and high in efficiency is achieved. The movable LED illumination circulation plant water-culture device has high practical value and wide market prospects.

The invention relates to feed, and in particular relates to cattle feed containing traditional Chinese medicinal additives. The feed is prepared from the following raw materials in parts by weight: 110-120 parts of corn, 20-25 parts of soya bean meal, 20-25 parts of brown rice husk, 2-3 parts of yeast powder, 18-25 parts of broad bean straw, 20-22 parts of sorghum hybrid, 8-10 parts of corncob, 2-3 parts of sepiolite powder, 2-3 parts of snail powder, 2-3 parts of glutinous rice grains, 1-2 parts of rosemary powder, 8-12 parts of affine cudweed, 2-3 parts of dried ginger, 4-5 parts of traditional Chinese medicinal additives, proper edible salt, and 4-5 parts of phagostimulant. According to the feed, the rosemary powder, the traditional Chinese medicinal additives, the dried ginger and other raw materials are added into basic raw materials, so that the appetite of cattle can be effectively improved, the digestion and absorption can be promoted, the growth and development can be accelerated, the feed utilization rate can be improved, and the problem of drug residue does not exist because all raw materials are pure natural green components.

The invention belongs to the technical field of poultry feed and especially relates to a Chinese herbal medicine feed additive for laying hen and a preparation method thereof. The preparation method of the Chinese herbal medicine feed additive for laying hen comprises the following steps of respectively carrying out reflux extraction of motherwort, prepared rehmannia root, cape jasmine fruit, malaytea scurfpea fruit and dried orange peel orderly by 60 to 90% of ethanol and drinking water, merging extract, mixing the merged extract and water extract solutions of radix astragali, barbary wolfberry fruit, root of pilose asiabell, Chinese angelica, cape jasmine fruit, rhizoma atractylodis macrocephalae, cortex eucommiae, haw, isatis root, raspberry, ligusticum chuanxiong hort and white peony root, concentrating the mixed solution, drying , carrying out processing to obtain dry powder, uniformly mixing the dry powder, crushed pine needle powder and crushed hot pepper powder, and carrying out packaging. The preparation method provided by the invention adopts the scientific and reasonable raw materials and has strong operationality in preparation. The Chinese herbal medicine feed additive for laying hen allows a trace dose, has high efficiency and good palatability, is safe and nontoxic, and improves laying performances of laying hen, egg quality and nutritive values, and economic benefits of a laying hen culture.

The invention discloses a fruit retention agent as well as a preparation method and a use method of Feizixiao litchis. The fruit retention agent is prepared from amino acid, calcium acetate, borax, fulvic acid, p-chlorophenoxyacetic acid, gibberellin, forchlorfenuron and brassinolide. The fruit retention agent for the Feizixiao litchis is applied to the fruit retention of the Feizixiao litchis ten days after blossom falls in the mode of cluster spraying. The relative fertile fruit percentage of the fruit retention agent is 8.37 percent, which is improved by 37.70 percent compared with that of a contrast, and the weight of single fruit is not influenced. The fruit retention agent has low cost, simple preparation and simple and convenient operation and is easy of large-scale popularization. The fruit retention agent for the Feizixiao litchis is also suitable for the fruit retention of other varieties of litchis.

The invention discloses a production method of a high-salt diluted and low-temperature fragrant soy sauce, which comprises the following steps of: (1) curing raw materials including wheat and defatted soybeans, and then uniformly mixing the wheat and the defatted soybeans; (2) inoculating aspergillus oryzae strains to the obtained raw material mixture so as to obtain a yeast; (3) cultivating the yeast for 44-48 hours at a temperature of 25-30 DEG C so as to obtain a mature yeast; (4) adding 2.0-2.5 weight times of saline water into the mature yeast so as to obtain a raw soy sauce mash; (5) moving the raw soy sauce mash to the inside of an airtight fermentation tank for fermenting: firstly fermenting for 23-27 days at a temperature of 13-17 DEG C, then continuing to ferment at a temperature of 28-32 DEG C, and on the 28-32nd days, adding mixed fermentation strains into the fermentation tank and continuing to ferment; in the process of fermentation, stirring by using a compressed air flow; and fermenting for more than six months so as to obtain a mature soy sauce mash; and (6) squeezing and filtering the mature soy sauce mash so as to obtain the low-temperature fragrant soy sauce. According to the invention, the conversion rate of proteins in raw materials is high, and the contents of ammonia nitrogen, total nitrogen, soybean peptides and soybean oligosaccharides in the prepared soy sauce are high.

The invention belongs to the technical field of microorganism, in particular to a compound microbial preparation used for directly decomposing crop straws, namely an efficient straw-decomposing inoculant. The efficient straw-decomposing inoculant comprises the following raw materials by weight percentage: 20-30 percent of bacillus subtilis, 10-15 percent of white light gray streptomycete, 5-10 percent of endomycopsis fibuligera, 5-10 percent of candida utilis, 10-15 percent of aspergillus, 10-15 percent of paecilomyces lilacinus, 10-15 percent of trichoderma harzianum and 20-30 percent of thermophilus streptomycete. The efficient straw-decomposing inoculant is organically combined with soil no-tillage, shifting and fallow to achieve the comprehensive purposes of protecting the environment, improving soil, increasing the utilization rate of fertilizers, increasing the quantity and the quality of agricultural products and developing the ecological agriculture.

The invention discloses a breeding method of laying hens capable of laying high selenium eggs which comprising the following steps: the breeding method is passed through five processes such as henhouse construction, feed preparation, brood period, adult period and egg producing period, the high selenium activity feed is prepared by, by weight, the following raw materials of 35-40 parts of malt, 20-30 parts of corn, 10-20 parts of beans, 10-15 parts of millet, 3-4 parts of astragalus, 2-3 parts of fructus schisandrae, 5-8 parts of salvia mihiorrhiza bunge, 10-15 parts of codonopsis pilosula, 2-10 parts of liquorice, 10-15 parts of chrysanthemums, 10-15 parts of common yam, 2-5 parts of dates and 3-10 parts of sweet wormwood herbs. The selenium content of eggs laid by laying hens which are bred with the method is 20-25 times that of common eggs in the prior art, when the high selenium eggs laid by the laying hens which are bred by the method are eaten, enough selenium can be supplemented simultaneously when protein is supplemented, and selenium containing medicines or health care products in the prior art can be completely replaced.

The invention relates to the field of soil fertilizer and provides a biological organic repairing agent for soil pollution and its application and preparation method. The biological organic repairing agent of the invention is composed of, by weight, 1.5-3 parts of eymogenic bacterium, 1-1.5 parts of wheat bran, 1.5-2 parts of molasses meal, 45-50 parts of ammonium humate, 45-50 parts of hydrolase dregs, 150-200 parts of soybean meal, 100-150 parts of humic acid powder, 80-100 parts of zeolite powder, 25-40 parts of a calcium magnesium phosphate fertilizer, 150-200 parts of cattle and sheep manure, 150-204 parts of plant straw, 25-40 parts of potassium humate, 1.5-3 parts of bacillus mucilaginosus, 1-1.5 parts of Gliocladium roseum, 1.5-2 parts of Streptomycesvinaceus-drappus, 1-1.5 parts of trichoderma spp, 1-1.5 parts of Paecilomyces lilacinus, 1-1.5 parts of bacillus subtilis and 1-1.5 parts of micrococcus. According to the invention, soil pollution control, improvement and nutrition are integrated.

The present invention discloses a compound of paligorskite health-care sand for carrier pigeon. Its composition includes the following ingredients: (by weight portion) 18-22 portions of paligorskite, 34-37 portions of river sand, 12-13 portions of oyster shell powder, 9-11 portions of bone powder, 4-6 portions of edible salt, 10-11 portions of Chinese medicinal materials, 2-3 portions of trace element, 2-3 portions of amino acid and 2-3 portions of vitamin. Said invention also provides its production method.

The present invention discloses a feed micro-ecological preparation, an anti-nutritional substance-free feed and a preparation method thereof, and belongs to the technical field of feed. The feed micro-ecological preparation is prepared by fermenting the following raw materials in parts by weight: 1.0-1.2 parts of Saccharomyces cerevisiae, 0.2-0.6 part of Enterococcus faecalis, 1.5-2.0 parts of Bacillus subtilis, 0.2-0.6 part of Bacillus coagulans, 0.1-0.15 part of Bacillus licheniformis, 0.1-0.3 part of Bacillus lentus, 0.2-0.5 part of Clostridium butyricum and 993.05-995.15 parts of liquid medium. After the feed micro-ecological preparation is mixed with feed raw materials, enzymes produced in the process of microbial strain fermentation can decompose anti-nutritional substances in feed and increase the feed utilization rate; at the same time, microbial strains also have effects in improving animal intestinal environment, maintaining intestinal flora balance, inhibiting the growth of pathogenic bacteria, and improving animal immunity.

The invention discloses a composite soil remediation agent made from compost and a preparation method. Vigorous implementation of soil remediation is a primary task for protecting soil ecological environments and solving land resource scarcity. The composite soil remediation agent made from the compost comprises, by weight, 60-70 parts of compost materials, 10-15 parts of straw biomass charcoal, 20 parts of coal ash, 2-5 parts of zeolite powder, 3-5 parts of calcium magnesium phosphate fertilizer, 0.5-2 parts of composite microbial agents and 0.5-1 part of binder. The composite soil remediation agent and the preparation method have the advantages that the substances are combined organically, formula and production process are optimized reasonably, the composite soil remediation agent with functions of fertilizing, purifying and remediating the soil and promoting crop growth and development is provided for soil remediation, and accordingly, healthy, green and sustainable agriculture is promoted. The composite soil remediation agent is applied to soil remediation as well as biofertilizer and waste resource utilization.

The invention relates to Dongfeng snail powder compound feed comprising basal feed which comprises the components in percentage by weight: 5 percent of kelp powder and 0.1-0.15 percent of nanometer trace mineral element and also comprises Vc condensed phosphate, beta-hyskon, phytase and xylo-oligosaccharide. The production method comprises the following steps of: preparing the basal feed materials in proportion after the basal feed materials are initially cleaned and magnetically selected, micronizing after the materials are evenly mixed, adding trace mineral elements, Vc condensed phosphate, beta-hyskon, phytase and xylo-oligosaccharide which are diluted and evenly mixed in multiple levels in advance into the crashed basal feed to mix secondly and weighing and packing to obtain the Dongfeng snail powder compound feed. The Dongfeng snail powder compound feed can supply complete nutritional requirements for Dongfeng snails, promote growth, obviously reduce feed coefficients, increase the immunity of the Dongfeng snails, reduce diseases and improve a survival rate.

The invention discloses a nutritious energy rod and its preparing process, wherein the rod is prepared from malt sugar 5-20%, levulose 5-20%, glucose 10-42%, oat powder 3-15%, soybean polypeptide 3-16%, fish protein small peptide 2-12%, fish bone meal 1-5%, cocoa powder 2-10%, onion 3-15%, sea-tangle 2-8%, vitamin 0. 3-3%, microelements 0. 1-2%, amino acid 0. 5-5%, taurine 0. 1-2%, choline 0. 05-1%, soybean lecithin 2-8%, DHA fish oil 3-12% and edible gelatin 1-8%.

The invention discloses a ferment biological complete feed which relates to the technical field of complete feeds. A formula of the ferment biological complete feed comprises the following components in percentage by weight: 5-10 percent of broken rice, 5-25 percent of barley, 5-10 percent of wheat, 5-25 percent of corn, 2-3 percent of molasses, 6-16 percent of fish meal, 2-3 percent of bean pulp, 1-2 percent of peanut meal, 10-20 percent of wheat bran, 3.3-15 percent of barley bran, 1.8-5 percent of rice bran, 5-12 percent of green grass powder, 0.4-0.5 percent of bone meal, 0.4-0.5 percent of calcium carbonate, 0.4-0.7 percent of salt and 1-3 percent of ferment bacterium. The total crude protein amount of the feed is 15.7-20 percent. The complete feed can remarkably improve the conversion ratio and the utilization ratio of the feed or additives, ensure that nutrition components in the feed or the additives can be really and completely absorbed and utilized, simultaneously improve the living organism balance, enhance the disease resistance capacity of livestock, eliminate the drug residue and guarantee the body health of people and organic food sources.

The invention discloses a five-layer-coextrusion, high-thermal-insulation, antifogging and drip-free agricultural greenhouse plastic film which comprises the following raw materials by weight percentage: agricultural polyethylene resin (including EVA (ethylene vinyl acetute) resin), a thermal insulation agent, an antifogging agent, an antidripping agent and an ageing resisting agent. According to the agricultural greenhouse film formed by five-layer coextrusion blow molding according to a layering formula, the thermal insulation property and the usage period of the film can be improved and prolonged; the raw materials are saved; antidripping and antifogging periods are prolonged; the property of the agricultural greenhouse film is improved; the yield and quality of overwintering greenhouse vegetables, fruit trees, flowers, and the like covered with the film can be increased and improved obviously; and the film has better popularization and application prospects.

The invention aims at providing a method for efficiently and quickly producing a bletilla striata seedling. The method comprises (1) a liquid culture stage and (2) a solid medium culture stage, wherein (1) the liquid culture stage comprises the particular steps that a bletilla striata capsule is disinfected via sodium hypochlorite; the capsule is cut; a seed is sown in a liquid medium for culture; the seed is developed into a protocorm; (2) the solid medium culture stage comprises the particular steps that the protocorm is induced to be differentiated into a root-free seedling, and then transferred to a rooting culture medium for rooting culture, and a cultivation substrate transplanted into a greenhouse is domesticated before field transplanting. The method realizes efficient and quick production of the bletilla striata seedling; compared with whole-course solid culture, the method overcomes the defect that the seed germination rate is low when an early seed is cultured on a solid medium; the seed germination rate is increased significantly and reaches 99%; the fresh weight and the dry weight of the protocorm are increased greatly; and the whole production cycle is shortened significantly, and can be shortened to about 110 days.

The invention relates to a pure Chinese herbal medicine egg-laying chicken feed additive, which is characterized by being prepared by crushing and mixing the following substances in parts by weight: 2-5 parts of radix codonopsitis, 2-4 parts of Angelica, 2-4 parts of Astragalus root, 1-3 parts of radix salviae miltiorrhizae, 2-5 parts of Chinese wolfberry, 2-5 parts of radix adenophorae, 4-6 parts of atractylodes rhizome, 2-5 parts of teasel root, 5-8 parts of pokeweed, 4-7 parts of motherwort, 1-3 parts of hemlock parsley, 5-8 parts of tuckahoe and 2-3 parts of kudzu root. The Chinese herbal medicines have nutritious and medicinal double actions, has a function of enhancing immunocompetence, can promote the ova growth development and nutrient substance digestion and absorption of egg-laying chicken, is free from residue or drug resistance, improves the laying rate, improves the protein content of eggs to 13.06% and keeps the cholesterol content of the eggs at a lower level.