235 results about "Growth development" patented technology

The invention relates to protein feed produced by multi-fungus fermentation with steam explosion rapeseed meal and cotton meal and a method. Rapeseed meal and cotton meal are used as main materials, meat and bone meal, straw and pomace are used as auxiliary materials, and a group of oxic liquid strain and anaerobic liquid strain are inoculated, so the protein feed is obtained. The preparation method is as follows: raw materials are delivered to a steam explosion system to be exploded, and then are released to normal pressure quickly after steam explosion; the materials after steam explosion are delivered to chelation reaction granary and cooled to 30 DEG C, and then are sterilized by microwave. The sterilized materials are delivered to a fermentation granary and the group of the oxic liquid strain is inoculated at the same time, the inoculum concentration is 5 percent, the intermittent ventilation and oxygen supplying are performed, the oxic fermentation time is between 36 and 48 hours; after the oxic fermentation, an anaerobic strain is inoculated, the inoculum concentration is 5 percent, and the sealed anaerobic culture is performed; and when the peptides content reaches 3 percent, the fermentation ends. The protein feed produced by multi-fungus fermentation with steam explosion rapeseed meal and cotton meal and the method have the advantages that toxin of miscellaneous mealis degraded completely after the steam explosion and microorganism fermentation treatment; the protein feed has flavor taste, and contains active substances, such as large amount of B vitamins, a plurality of vezyme and peptides, and so on; in addition, the protein feed has the functions of promoting growth development, resisting diseases.

The invention provides a method for suppressing the gene expression of insects through feeding dsRNA, which belongs to the growth development field of adjusting and controlling insects through naturally feeding the dsRNA of the silenced and specific gene. The method selects a gene fragment SeA3 on chitin synthetase enzyme gene SeCHS-A, and studies the impact on the insects after the natural feeding. The method mainly comprises the steps: a proper expression vector L4440 is selected to construct a recombinant expression vector L4440-SeA3 with a purpose gene fragment SeA3; the recombinant vector is induced and expressed in specific recipient cell coliform bacteria HT115 (DE3) under vitro adaptive condition; and the recipient bacterium htLSA3 which expresses dsRNA is added into the feedstuff of the insects, the insect larvae are naturally fed with the feedstuff, the situation of the insects suppressing the gene expression is detected after the feeding, and the change of the phenotype of the insects is recorded. By adopting natural feeding to suppress the expression of the insect genes, the method explores new paths for controlling the insects.

The invention discloses a macculochella peelii fry initial feeding compound feed and a preparation method thereof and aims to provide a green and healthy initial feeding feed which can meet the nutrition requirement, promote the growth development, enhance the nonspecific immunity and improve the survival rate of macculochella peelii fry. The feed is composed of 25%-50% of imported white fish meal, 2%-10% of artemia powder, 3%-10% of euphausia superba powder, 1%-5% of squid liver powder, 5%-15% of seaweed meal, 2%-5% of beer yeast, 3%-10% of alpha-starch, 10%-20% of high gluten flour, 1%-5% of soya bean lecithin, 2%-8% of fish oil, 0.2%-1.0% of a vitamin premix, 1%-5% of a microelement premix, 1%-5% of monocalcium phosphate, 0.03%-0.1% of bacillus subtilis, 0.1%-0.6% of vitamin C acetate, 0.01%-0.1% of an antioxidant and 0.05%-0.5% of choline chloride. The macculochella peelii fry initial feeding compound feed and the preparation method thereof belong to the technical field of fish feeds.

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.

The invention relates to a monitoring method for earth surface environment damage in an underground mining area. The monitoring method comprises the following steps of: researching an earth surface moving law by building an earth surface movement observation station, and establishing a mathematical model between cracks at the front most end of a working surface and a working surface position on the basis of the earth surface moving law so as to scientifically monitor the growth development situation of dynamic cracks; and monitoring the spatial-temporal evolution law of soil water content and soil physiochemical property under different disturbance degrees so as to more completely and scientifically master the soil damage situation in the overall mining-induced process and provide a theoretical foundation for regional land rehabilitation and ecological environment modification.

The invention relates to a multi-strain microorganism pig feed additive and a production method thereof. According to the additive, bacillus subtilis, lactobacillus delbrueckii, saccharomyces cerevisiae, candida and photosynthetic bacteria are inoculated into a fermentation culture medium according to a ratio of 2:1:1:1:2, and are prepared into a finished product through solid fermentation. The microorganism preparation is reasonably matched, various microorganisms in the preparation can bring respective effects into play and depend on one another, the overall advantage of the microorganism preparation can be brought into play, the growth development and the improvement of the anti-disease capability of a host are facilitated, and the feed additive is safe to use and can improve the immunity of animals, prevent and resist diseases, prompt animal growth, improve the feed utilization rate and improve the feed quality.

The invention provides special fertilizer for sweet osmanthus. After the sweet osmanthus special fertilizer for the sweet osmanthus serving as a base fertilizer is applied for one time, the basic nutrition demand of the whole growth period of the sweet osmanthus can be met. The special fertilizer for the sweet osmanthus contains basic nutrition elements and a plurality of secondary elements, microelements and plant growth regulators, therefore, the requirements of each element during different growth periods of the sweet osmanthus be met, and the growth development of roots and leaves can be promoted. In addition, a bacteriacide is added into a formula, so that the fertilizer has functions of preventing sterilization, pesticide and plant diseases and insect pests when being applied and has better effect for preventing and curing or lightening common plant diseases and insect pests.

The invention relates to an efficient environmentally-friendly piglet special concentrated feed and a preparation method thereof. The piglet concentrated feed comprises the following components in percentage by weight: 30 to 50 percent of biological bean dregs, 10 to 20 percent of puffed soybeans, 10 to 20 percent of soybean protein concentrate, 10 to 20 percent of rice albumen powder, 5 to 10 percent of whey powder, 5 to 10 percent of cane sugar, 3 to 6 percent of glucose, 2 to 5 percent of calcium hydrophosphate, 0.5 to 1.5 percent of common salt, 1.5 to 3 percent of bean oil, 0.5 to 2 percent of lysine, 0.1 to 0.5 percent of methionine, 0.1 to 0.5 percent of threonine, and 2 to 5 percent of compound premix. The efficient environmentally-friendly piglet special concentrated feed has the characteristics of comprehensive nutrition, easy digestion, easy absorption and the like, can obviously reduce piglet early weaning stress and piglet diarrhea, improve pig body immunity, promote piglet growth development, reduce pollutions caused by excretions to the environment, and reduce the feed cost and the breeding cost.

The invention discloses water soluble fertilizer containing chitosan oligosaccharide and amino acid. The water soluble fertilizer containing chitosan oligosaccharide and amino acid is characterized by being mainly prepared from the following raw materials in parts by weight: 5-20 parts of chitosan oligosaccharide, 50-250 parts of amino acid, 5-25 parts of zinc salt, 1-10 parts of borax, 30-80 parts of a chelating agent and 30-80 parts of organic silicon. The water soluble fertilizer containing chitosan oligosaccharide and amino acid is prepared by means of mixing, stirring, chelating and the like. The water soluble fertilizer containing chitosan oligosaccharide and amino acid is applicable to grain crops, commercial crops and vegetable crops by means of root irrigation, seed soaking, drop irrigation, sprinkling irrigation and the like. The water soluble fertilizer containing chitosan oligosaccharide and amino acid is non-toxic and harmless, contains no hormone, has no residue and can be used for balancing and regulating growth development of crops, promoting metabolism and photosynthesis of plants and delaying leaf senescence of the crops, and immunocompetence of the crops on various germs can be effectively improved; meanwhile, crop yield and agricultural product quality are improved, and the water soluble fertilizer containing chitosan oligosaccharide and amino acid has a certain drought resisting and cold resisting effect.

The invention discloses a hyperspectral measurement method of the nitrogen content of wheat plants. The method comprises the following steps: selecting test samples, collecting data, processing the data and screening models, constructing a most suitable monitoring model of the nitrogen content of the wheat plants, optimizing the monitoring model of the nitrogen content of the wheat plants, and testing and inspecting the monitoring model of the nitrogen content of the wheat plants. According to the method, different wheat genotypes are used as materials, hyperspectral remote-sensing technologyis utilized to measure the nitrogen content of the wheat plants under different conditions of planting locations, years, growth development time periods, fertilization levels, planting density and thelike, the hyperspectral remote-sensing technology overcomes the disadvantages of cumbersomeness, troubles and manpower consuming of traditional measurement methods, a large amount of continuous spectral information can be quickly, effectively and non-destructively obtained, and possibility is provided for real-time monitoring of crop growth trends and nutritional status and estimation of crop nitrogen content, yield, quality and the like.

The invention provides biological characteristics which significantly influence the growth development of mycelium of asafetida mushroom and the yield and the quality of a son solid of the asafetida mushroom, wherein the biological characteristics comprise temperature, nutrition, humidity, CO2 concentration, illumination, pH value and the like. The invention also provides a standardized culture technique based on the biological characteristics of the asafetida mushroom, which applies liquid seed production to bacteria bag factory production. The technique comprises the steps as follows: bevelculture of mother seeds, seed bottle culture of raw seeds, fermenting tin culture of planting seeds, spawn running culture in mushroom producing bags, fruiting culture and processing after picking. Optimally, the step of fruiting bag production also comprises the step of liquid seed production, wherein a culture medium of the liquid seeds comprises the components as follows: 1.0% of wheat flour, 0.5% of cane sugar, 0.2% of yeast ointment, 1.5% of bran (cooking juice), 0.2% of monopotassium phosphate, 0.15% of bitter salt and the balance of water. The technique is practically tested and verified by Sinkiang Ion Beam Bio-engineering Center (Ltd.) and the result shows that the technique is a high-yield culture technique suitable for the asafetida mushroom. The biologic conversion ratio of dual-tide mushroom picking ranges from 80% to 100%.

The invention discloses a composite organic fertilizer prepared from vegetable wastes. The composite organic fertilizer is a fermented product which is obtained by fermenting a composite microbes and the vegetable wastes, wherein the composite microbe is a mixture of bacillus mucilaginosus, bacillus subtilis, tiny bacillus, bacillus megatherium, pseudomonas aeruginosa, plant lactic acid bacteria and azotobacter chroococcum, the number ratio of all the strains is 1:(7-8):(4-6):(3-5):(1-3):(3-5):(1-2), and the total amount of viable bacteria is 2.0*10<9>-3.0*10<9> CFU / mL. The invention also discloses a preparation method of the composite organic fertilizer. The preparation method comprises the following steps: inoculating the microbes to prepare a culture medium; and adsorbing by using an adsorbent, and fermenting the vegetable wastes to obtain compost. The compost prepared by the preparation method disclosed by the invention can be used for promoting the growth development of plants, and reducing plant diseases and insect pests and reducing the use amount of the inorganic fertilizer, so that the vegetable wastes are effectively used, and pollution of wastes to farm environments is reduced.

The invention relates to an oxygenating cultivation method for irrigating rice irrigation with micro-nano bubble water, belonging to a rice cultivation method. The method comprises the following steps: 1) conditioning a rice seedling bed, thinly sowing seeds, and cultivating strong seedlings tillering; 2) carrying out soil preparation process and deeply applying basal fertilizers before transplanting, and then transplanting young seedlings; 3) using micro-nano bubble oxygenated water to irrigate rice after transplanting, wherein the rice should not be irritated with the water again until the water is naturally consumed to enable transform the field surface to a wetting state, so that repeated alternation between shallow water and wetting can be formed; applying tillering fertilizers within 7-10 days after transplanting the young seedlings; and drying the field in time after the seedlings grow to enough height; and 4) preventing pests and plant diseases in due time, and harvesting the rice when 95% of grains in the entire field are in the yellow ripe state. By using the invention, the root zone oxygen environment of rice is improved, the root system growth development and the function establishment of rice are promoted, raises the absorption efficiency and utilization efficiency of nitrogenous fertilizer for rice are raised, the contents of available nutrients in soil are increased, obviously the low-position tiller proportion of rice at tillering stage is increased so as to improve percentage of earbearing tiller, and can postpone the leaf senescence can be postponed in grain filling stage, thereby obviously raising setting percentage and improving the rice yield.

The invention provides shiitake mushroom compost and a planting method of shiitake mushrooms, belongs to the technical field of vegetable planting and particularly relates to a planting method of the shiitake mushrooms. The planting method of the shiitake mushrooms comprises steps as follows: 1, arrangement of sowing time and selection of strains: medium-temperature-type or moderate-to-high-temperature strains are adopted; 2, preparation of the compost: the compost is a matrix and a material basis for growth and development of the shiitake mushrooms; different kinds of compost are adopted for production of the shiitake mushrooms due to the fact that organic substance resources in different places are different; firstly, gypsum and wheat bran are uniformly mixed and then uniformly mixed with wood flour, sugar and urea are dissolved in water and uniformly sprayed on the materials, the materials are turned over with a shovel while the mixture of the sugar and the urea are sprayed, and material surfaces are swept repeatedly and uniformly through a bamboo broom; 3, a nutrient growth state is switched to a reproductive growth state quickly under the irritation of certain conditions, and primordium differentiation and growth development of sporocarp are realized, that is, the fruiting period is started.

The invention discloses a microbial preparation for purifying water and improving water quality. The microbial preparation comprises a microbial nutrient solution and a water purifying agent, wherein the microbial nutrient solution is obtained by uniformly stirring 15-25 parts of molasses, 35-45 parts of glucose, 12-18 parts of sucrose, 15-25 parts of starch, 15-25 parts of chitosan, 15-25 parts of amino acid fertilizer water paste and 100-140 parts of deionized water, adding 15-25 parts of EM original liquid and fermenting for 8-12 days in an incubator; the weight ratio of the water purifying agent to the microbial nutrient solution is 1:8-1:12. According to the microbial preparation, the water can be purified, the quality of sludge at the bottom of the water is improved, the pollution of a water body is reduced, the nutrition of the water body is improved, breeding and growing of harmful germs are inhibited, the body immunity, the disease prevention and the disease resistance of aquaculture animals are improved, growth development of aquatic animals is promoted, and the yield and the quality of aquaculture organisms are improved.

The invention belongs to the technical field of synthetic fertilizer, and particularly relates to a foliage biological organic fertilizer. The foliage biological organic fertilizer comprises boric acid, potassium carbonate, epsilon-polylysine, humic acid, polyacrylamide, ammonium molybdate, chitin, ferric sulfate, methylene succinic acid, diethylaminoethanol hexanoate, water and a composite microbial inoculant. The fertilizer can increase the chlorophyl component in crops and enhance the stress tolerance of the crops. The fertilizer has promotion actions on the growth development and various physiological processes of the crops. Multiple minor elements can promote the growth of seedlings and increase the grain number in the later period, thereby enhancing the yield and improving the quality. The fertilizer has the advantages of scientific proportioning of raw materials and low production cost, and prevents the nutrients from being immobilized or converted in soil, so that the nutrients are directly supplied to the crops for absorption. The utilization ratio of the fertilizer is enhanced. The fertilizer application method is simple and easy to implement, and has obvious economic benefit.

The invention relates to an agapanthus praecox auxin receptor protein TIR1 and a coding gene and probe thereof. The protein is: (a) a protein consisting of the amino acid sequence shown in SEQ ID No.4; or (b) a protein obtained by substituting, losing or adding one or multiple amino acids of the amino acid sequence shown in SEQ ID No.4, having agapanthus praecox auxin receptor protein activity and derived from (a). The invention also provides a nucleotide sequence for coding the protein and a probe for detecting the nucleotide sequence. According to the agapanthus praecox auxin receptor protein TIR1 and the coding gene and probe thereof provided by the invention, the agapanthus praecox auxin signal transduction pathway is regulated by the genetic engineering technology to reach an aim of controlling the growth development and organ morphogenesis, thereby providing a theoretical basis for molecular breeding and creating great application value.

The invention relates to a preparation method of a high-tap-density lithium titanate material, which aims at solving the problem of low density of a lithium titanate material produced by the prior art. The method comprises the steps of ball-milling and mixing a lithium source, a titanium source, a fluxing agent and a dispersing agent in a given ratio, drying the mixture, then pre-sintering at a low temperature, cooling and sintering at a high temperature to form the lithium titanate. The preparation method has the characteristics that the fluxing agent is added in the mixing process, so that particles can be tight in contact in the high-temperature sintering process, the interface tension between each two adjacent particles can be reduced, the growth development of a crystal is complete, and the density of the material can be further improved. The method is simple in technological flow, the raw materials are easily available, the prepared lithium titanate particles are large, the tap density is large, and the electrochemical property is good.

The invention discloses a genetic engineering protein TAT-VP28-GH capable of resisting white spot syndrome virus (WSSV) as well as preparation and application thereof. The sequences of the genetic engineering protein are a nucleotide sequence shown in SEQIDNO:1 and an amino acid sequence shown in SEQIDNO:2; and the strain of the genetic engineering protein is a recombinant genetic engineering strain EscherichiacoliBL21pEt-32A-TAT-VP28-GH. The preparation method comprises the following steps: extracting WSSV from prawn, and obtaining VP28 gene by a polymerase chain reaction (PCR); amplifying aTAT-VP28 sequence through the PCR; extracting total mRNA (messenger RNA) from hypophysis cerebri of carp, and obtaining total cDNA through RT-PCR (reverse transcription-PCR); obtaining a mature peptide gene of carp growth hormone through PCR, inserting acid hydrolysis site aspartate and proline (Asp-Pro-Asp) in the upstream of the mature peptide gene; then constructing a recombinant plasmid pEt-32A-TAT-VP28-GH; and transforming the recombinant plasmid pEt-32A-TAT-VP28-GH to Escherichia coil BL21, and efficiently expressing fusion protein TAT-VP28-GH in a dissoluble form under the induction of isopropyl beta-D-1-thiogalatopyranoside (IPTG). The fusion protein can effectively prevent the prawn from suffering WSSV and promoting growth development of the prawn.

The invention discloses a multifunctional acid soil conditioner and an application method thereof. The multifunctional acid soil conditioner is prepared by mixing 10 to 25 percent of magnesium hydroxide, 15 to 30 percent of calcium carbonate, 5 to 25 percent of calcium hydroxide, 10 to 25 percent of calcium magnesium phosphate fertilizer, 0 to 15 percent of lime nitrogen, 0 to 30 percent of lignite, 0 to 30 percent of danty, 0 to 30 percent of peat, 0 to 2 percent of borax and 0 to 3 percent of zinc sulfate in percentage by weight, and stirring uniformly. For solving the series of problems that southern soil is serious in acidification, degenerate in structure and frequent in soil-borne disease, on the basis of combining a great amount of field trial results, an acid soil conditioner formula having the functions of providing nutrition, improving the soil, killing the soil-borne disease and the like is developed, and meanwhile a certain amount of medium trace elements and synergists are added in the formula, so that the formula can meet the need of plants on medium trace nutrient elements in a growth development process, so as to remarkably improve the yield and quality of crops.

The health-care wine is formed from drinking wine, conjugated linolic acid or conjugated linolic acid derivative, antioxidant, taste-improving agent, surfactant and adjuvant. Said wine not only has the features of general drinking wine, but also possesses the health-care functions of resisting cancer, resisting atheroscleorsis, regulating and controlling metabolism, raising immunity, regulating blood sugar and promoting growth development, etc.

The invention relates to a Paecilomyces militaris Liang sp.nov. fermented feed additive as well as preparation and application thereof. The fermented feed additive is a fermented product of Paecilomyces militaris Liang sp.nov. The invention also further discloses preparation and application of the Paecilomyces militaris Liang sp.nov. fermented feed additive. The preparation process of the feed additive is simple in flow, has inexpensive and easily available raw materials, and contains rich adenosine, cordycepic acid and polysaccharide; although the addition amount in mixed feed is extremely low, the Paecilomyces militaris Liang sp.nov. fermented feed additive has fully significant effects that: the feed utilization rate can be improved, the feed palatability is improved, the growth development of livestock and poultry are accelerated, the quality of feed livestock and poultry product is improved, and the feed resources are reasonably utilized; and the feed additive can also improve survival rate and lower the breeding cost by enhancing animal immunoregulation.

The invention discloses compound feed for piglets, belongs to the field of livestock breeding and particularly relates to a compound feed in a piglet stage. The compound feed for piglets comprises the following ingredients in parts by weight: 18 to 22 parts of hulled corn, 12 to 15 parts of puffed corn, 8 to 12 parts of whey powder, 4 to 5 parts of fish meal, 2 to 3 parts of glucose, 2 to 3 partsof blood plasma powder, 0.012 to 0.015 parts of phytase, 0.4 to 0.5 parts of monocalcium phosphate, 0.03 to 0.05 parts of choline chloride, 0.2 to 0.4 parts of lysine and the like. The feed has the advantages that a good anti-diarrhea effect can be reached, meanwhile, the piglet immunity is effectively improved, the use of antibiotics products is reduced, the piglet growth quality is improved, and the basis is laid for the realization of the piglet reproduction potential; meanwhile, phenomena of virtual growth of the piglets in the nursing stage and growth development blockage after the nursing stage are avoided; and the environment pollution is reduced.

The invention relates to a rapid propagation method of photinia fraseri, which belongs to the technical field of plant culture and comprises five operation steps of: culture medium preparation, explant collection and pretreatment, isolated culture, rooting seedling domestication and transplanting. The transplanting survival rate of the method reaches higher than 90 percent, few explants are adopted, the mother tree growth development and the tree shape culture are not influenced, hundreds of seedlings can be propagated by adopting one terminal bud or stem section, the propagation number can be greatly improved, the scaled and factory seedling is favorably realized, the propagation speed is accelerated, and the cost is reduced.

The invention discloses a humic acid bagging-free film bag and a preparing method and use method thereof. The preparing method includes: dissolving SiO2 in an acetic acid aqueous solution, adding chitosan, fully dissolving the chitosan, adding glycerinum, and acquiring a chitosan complex mother liquor; acquiring a potassium humate solution, and dissolving a certain amount of bottle gourd pakistan rubber in the potassium humate solution; mixing the chitosan complex mother liquor and the potassium humate solution with the bottle gourd pakistan rubber with stirring, evenly stirring the two solutions so as to acquire a novel high efficiency multifunctional humic acid bagging-free film bag mother solution which has an anti-freezing function, an antibacterial function, and an anti-pest function, and can provide nutriment matters, using water to dilute the mother solution, and directly spraying surfaces of fruits with the diluted mother solution to form films. The humic acid bagging-free film bag is non-toxic, is harmless, is easy to use, can avoid plastic pollution and complex operations due to the conventional bags, can allow the fruits to resist cold weather, bacteria, and pests, can provide desired nutriment matters for the fruits during a growth development process, and can effectively improve the quality of the fruits.

The invention belongs to the technical field of agriculture, and relates to a rice seed soaking agent and application thereof, particularly a seed soaking agent capable promoting rice seeds to quickly rooting and germination after straws directly return to the field, and application thereof. Every 1L of solvent contains the following solute components: 100-150mg of gibberellin, 25-50mg of indoleacetic acid, 0.1-0.5mg of abscisic acid, 500-1000mg of ammonium bicarbonate and 100-500mg of zinc sulfate. The rice seed soaking agent regulates the physiologic and biochemical functions of the rice seeds by the chemical control technique against the direct sowing planting mode of rice, promotes the rice seeds to quickly rooting and germination after the straws directly return to the fertilized filed, can promote growth development of the rice and improve the quality of the rice due to the components in the seed soaking agent, and has obvious yield increase effect; and the yield increase rate of the rice is up to higher than 10%.

The invention belongs to the field of materials, relates to an anti-ageing dimming color master batch for plastics and in particular relates to a special anti-ageing dimming green master batch for a ginger greenhouse film and a preparation method of the special anti-ageing dimming green master batch. The special anti-ageing dimming green master batch is prepared by the following steps: using pigments, a light stabilizer and an antioxidant which are specially selected, loading on a sustained-release agent, and obtaining the special anti-ageing dimming color master batch for ginger cultivation with a carrier resin as a matrix. The special greenhouse film prepared by adding the special anti-ageing dimming green master batch is difficult in color fading and good in anti-ageing performance and is capable of providing light environment needed by a growth development period of gingers, facilitating growth and development of the gingers and remarkably increasing the yield of ginger.

The invention discloses a novel plant growth modifier. The modifier is prepared from the following raw materials in parts by weight: 0.1 to 0.7 part of phytocytomine, 15 to 28 parts of tea saponin, 4to 8 parts of medical stone meal, 17 to 22 parts of forchlorfenuron, 1 to 4 parts of gibberellin, 60 to 75 parts of chitosan, 18 to 27 parts of humic acid, 8 to 16 parts of cortex meliae, 9 to 17 parts of radix sophorae flavescentis, 10 to 14 parts of diethyl aminoethyl hexanoate, 5 to 12 parts of brassinolide, and 6 to 11 parts of auxin. Compared with the prior art, the novel plant growth modifier disclosed by the invention has the advantages that the compatibility is scientific, a growth development process of crops can be effectively regulated, and the effects of stabilizing and increasingproduction, improving quality, enhancing resistance of the crops and the like can be achieved; moreover, due to the chitosan, an immune system of plants can be stimulated, defense reaction is activated, disease-resistant active substances of the plants are promoted so as to inhibit the diseases and the growth of the plants is promoted. In addition, traditional Chinese medicine components are addedin the plant growth modifier, so that the plant growth modifier has the effects on sterilization, prevention of plant diseases and insect pests and the like, and the use of pesticides such as a bactericide is reduced.

The invention provides a culture medium of ascendens mucronatum container seedlings and a preparation method. The culture medium is characterized by components of 8-12 parts by weight of 30% water-containing composting sawdusts, 3-5 parts by weight of 15% water-containing composting leaf mold, 4-5 parts by weight of decomposed fermented sawdusts, and 2-4 parts of northeast peat or / and 2-4 parts of inorganic matrix. The artificial cultivation matrix is one of northeast peat, sawdusts, perlite, vermiculite, and composting leaf mold, or a mixture selected from the above. Through adding the composting sawdusts, the composting leaf mold, the decomposed fermented sawdusts, the northeast peat or the inorganic matrix into a mixing machine to stir or artificially mix uniformly, the culture medium is obtained. The culture medium makes full use of sawdusts and northeast peat resources, and the physical characteristics of the matrix is better. The culture medium is suitable for growth development of plant roots, and has effects of insect prevention and disease prevention. The weight of the matrix is just half of that of a whole-soil matrix, so transportation cost and forestation cost are reduced, and the culture medium has good market application prospect.

The present invention belongs to the technical field of tobacco cultivation, particularly relates to a tobacco seed germination seedling strengthening agent, and further discloses a preparation method and a use method of the tobacco seed germination seedling strengthening agent. According to the present invention, the formula of the tobacco seed germination seedling strengthening agent is unique, quick lime, Bacillus subtilis, plant ash and a ginkgo extract are adopted as raw materials, and under the premise of no change of the existing seedling culture technical measures, the physiological effects of cold resistance, stress resistance and growth development promoting of seeds can be improved.