38results about How to "Ecological security" patented technology

The invention discloses compound microbial film-coated slow-release fertilizer, which is prepared from the following raw materials in parts by weight: 100-120 parts of fertilizer core, 2-3 parts of film-coated layer and 4-7 parts of composite microbial layer. The invention also discloses a preparation method of the compound microbial film-coated slow-release fertilizer. The compound microbial film-coated slow-release fertilizer has the advantages of being balanced in nutrition, long in effective living bacterium survival time, high in fertilizer utilization rate and stable in product quality,and having excellent performance of improving the soil micro-ecological environment, and can reach the requirements of reducing fertilizer and increasing effect as well as being green and environmentally friendly.

The invention discloses a soil conditioner used for alkaline earth. The soil conditioner used for alkaline earth is prepared from, by weight, 16 to 90 parts of desulfurized gypsum, 1 to 20 parts of ferrous sulphate, and 1 part of citric acid. The soil conditioner used for alkaline earth is capable of reducing pH value of alkaline earth, promoting ion exchange, improving soil structure, improving soil permeability, and improving soil fertility; action speed and efficiency of the soil conditioner in improving alkaline earth are improved; cost is low; the soil conditioner is safe for the ecological environment; large area application can be realized; the dosage of desulfurized gypsum can be reduced, and the dosage of desulfurized gypsum can be reduced by 40% at most; and improvement effect is improved.

The invention discloses a carbendazim, thiram and thiram compound ultrafine powder seed coating for soybeans and application thereof, relating to a seed coating for soybeans and solving the problems of low content, large consumption, large residue, high cost and inconvenience in transportation of an existing suspension type seed coating for soybeans. The carbendazim, thiram and thiram compound ultrafine powder seed coating for soybeans is an superfine powder body formed by mixing carbofuran, thiram, carbendazim, sodium carboxymethylcellulose, alkaline scarlet G, sodium dodecyl benzene sulfonate, polyethylene glycol, talcum powder and silicon dioxide powder, wherein the particle size of the superfine powder with above 95 percent by weight in the superfine powder body is not more than 5 micrometers. Compared with a conventional suspension type seed coating with the same dosage, the seed coating disclosed by the invention has the advantages that the pesticide potency is increased by above 2.3 times, so that the pesticide consumption is saved by 63 percent per mu, and the pesticide use cost is lowered by 36 percent. The carbendazim, thiram and thiram compound ultrafine powder seed coating is low in consumption, low in cost, and convenient to package, transport, store and use, and can be used for coating soybean seeds.

The invention discloses an eurotium cristatum selenium-enriched strain Eurotium cristatum XD-01, which is preserved in the China General Microbiological Culture Collection Center on April 2, 2018, anda preservation number is CGMCC No. 15395. In addition, the invention also discloses a domestication and fermentation method of the strain. The eurotium cristatum selenium-enriched strain disclosed bythe invention is derived from Fuzhuan tea, which has the advantages of ecological safety and harmlessness, the strain can tolerate inorganic selenium on an optimized culture medium, the inorganic selenium can be efficiently converted into organic selenium, the intracellular organic selenium content is as high as 690mg/kg, and the strain can be used as a production strain for efficiently converting the inorganic selenium into the organic selenium, so that the industrial production requirement is met.

The invention discloses a screening and domesticating method of microbial flora used for purifying water quality of gardens. The screening and domesticating method comprises the following steps: obtaining a bacterium source sample from sludge of water ponds of the gardens; preparing an enrichment culture medium according to nutritional requirements of efficient purification flora; adding the bacterium source sample into the enrichment culture medium and carrying out rapid enrichment culture to obtain a culture solution, so as to rapidly enrich a lot of flora, with high pertinence and high enrichment efficiency; utilizing a designed domesticating device and adding nutrient substances; carrying out domesticating treatment to obtain the microbial flora. The domesticating device has the advantages of simple structure, energy saving and high efficiency and high practicability; under a normal-temperature condition, the screened microbial flora can be domesticated through natural pressure difference, natural water temperatures and the like and a domesticating process is energy-saving and environmentally friendly; the method disclosed by the invention is economical, efficient, energy-saving and practical; after the screened microbial flora are domesticated, the microbial flora can be rapidly adapted to a water environment of the gardens; the efficient purification of sewage pond water of the water ponds of the gardens can be realized; the screening and domesticating method is ecologically safe, has no pollution and a high adaptive capacity, and is convenient for large-area application and popularization.

The invention discloses an eurotium cristatum strain preserved in China General Microbiological Culture Collection Center on April 2, 2018, and the eurotium cristatum strain is Eurotium Cristatum XD-01 with the preservation number of CGMCC No.15395, Eurotium Cristatum XD-02 with the preservation number of CGMCC No.15396 or Eurotium Cristatum XD-03 with the preservation number of CGMCC No.15397. Inaddition, the invention also discloses a domestication method and a fermentation method of the eurotium cristatum strain. The eurotium cristatum strain disclosed by the invention is derived from Fuzhuan tea, and is ecologically safe and harmless.

The invention relates to a crude wood vinegar impurity-removing and quality-improving technology and application thereof. The crude wood vinegar impurity-removing and quality-improving technology comprises the following steps: decolorizing through exchange: adding strong alkali anion exchange resin into crude wood vinegar, sufficiently mixing, then exchanging for 1-2 hours, and after completion ofthe exchange, sieving off the strong alkali anion exchange resin by using a filter screen; separating impurities and removing peculiar smell: adding hydrogen peroxide into the crude wood vinegar by three times, standing, and filtering out the impurities by using the filter screen to obtain wood vinegar separated at the third time; irradiating the finally separated wood vinegar by using an electron beam to obtain impurity-removed and quality-improved wood vinegar. The crude wood vinegar impurity-removing and quality-improving technology is simple and efficient, and by the crude wood vinegar impurity-removing and quality-improving technology, harmful substances are turned into beneficial substances, sustainable utilization of resources is achieved, the cost is low, the process is simple, requirements on equipment and manpower are low, the application is wide and the pollution is free. The crude wood vinegar impurity-removing and quality-improving technology is wide in application, and can be applied to the field of deodorization, disinfection, skin care and the like.

The invention discloses a compound film coating agent for fresh keeping of blue peacock eggs and a preparation method thereof. The preparation method of the compound film coating agent comprises the following steps: A, preparing Chinese herbal medicine mixed extract; and B, mixing the Chinese herbal medicine mixed extract, propolis, chitosan, tea polyphenol and the like, adding absolute ethyl alcohol, and performing stirring for complete dissolving to obtain a compound film coating agent product. The compound film coating agent for fresh keeping of blue peacock eggs which is ecologically safe,simple and convenient to produce, low in cost and high in commercialization degree is researched and developed by comprehensively utilizing the resource and combination characteristics of natural film-forming agents such as propolis and extracts of Chinese herbal medicines such as honeysuckles, and the market requirement for prolonging the peacock egg storage shelf life is met.

The invention discloses a Eurotium Cristatum zinc-rich strain (Eurotium Cristatum XD-02) which is preserved in the China general microbiological culture Collection center on April 2, 2018, and the preservation number is CGMCC No. 15396. In addition, the invention further discloses a domestication and fermentation method of the strain. The Eurotium Cristatum zinc-rich strain is derived from Fuzhuantea, is ecological, safe and harmless, can tolerate inorganic zinc on an optimized culture medium, can efficiently convert the inorganic zinc into organic zinc, has the intracellular organic zinc content of 380 mg/kg, can be used as a production strain for efficiently converting the inorganic zinc into the organic zinc, and meets the industrial production requirements.

The invention discloses a nanometer biological regulation and control method for improving growth, yield and quality of corn, and belongs to the technical field of nano agricultural regulation and control. The method comprises the following steps: inoculating earthworms into root soil and applying a nano silicon dioxide solution; wherein the particle size of the silicon dioxide is 8-60 nm, the silicon dioxide solution is a nano silicon dioxide aqueous solution, and the concentration of the nano silicon dioxide aqueous solution is 10-100 mg/L; the earthworms comprise inner-deep habitat type earthworms, namely, Metaphire guillelmi, and surface-habitat type earthworms, namely, Eisenia foetida; the inoculation density of the earthworms is 1-4 earthworms per plant, and the application period is the emergence period of the corn. According to the method, the overground biomass, the underground biomass, the leaf silicon content, the root silicon content and the net photosynthesis of the corn in the seedling stage are effectively improved, and the yield per plant, the hundred-grain weight, the grain starch content and the soluble sugar content of the corn are finally improved.

The invention discloses a method for preventing and treating a tobacco virus disease. The method for preventing and treating the tobacco virus disease has the advantages that lithospermum erythrorhizon and nicotiana tabacum which have strong stress resistance, a good water and soil conservation effect and obvious economic benefits are selected for intercropping through a large amount of screening,and the beneficial allelopathy of the lithospermum erythrorhizon and nicotiana tabacum is utilized to effectively reduce diseases and insect pests, thereby being capable of not only improving the physicochemical property of soil and adjusting the soil fertility but also weakening the continuous cropping barrier; the interdependent relation among illumination, rainwater, saving lands and plants isfully utilized so that the incidence rate and harm degree of tobacco TMV, CMV and PVY diseases can be significantly reduced, the yield and quality of tobaccos are improved, and the tobaccos are ecological, safe, non-toxic and free of pollution; in addition, during planting, a bio-organic fertilizer is mainly used, intercropping of the lithospermum erythrorhizon and nicotiana tabacum can obtain the marginal effect, the land can be fully and reasonably utilized, the yield and the total value of crops are increased, the income of peasants is increased, and ecological and economic benefits are significant; the method is simple in operation, economical and practical, and has better popularization and application prospects.

The invention discloses a leaf temperature adjustor in a flowering and boll-setting period of cotton and an application. The leaf temperature adjustor in the flowering and boll-setting period of cotton is prepared from glycerin, water and sodium dodecyl benzene sulfonate in a certain proportion. The leaf temperature adjustor in the flowering and boll-setting period of cotton is prepared by the following steps: A, taking a glycerin pure product as a raw material; B, mixing glycerin with water in a weight ratio of 1: 1 to prepare a glycerin diluted liquid to obtain a glycerin diluted liquid; and C, diluting the glycerin diluted liquid by 25 times before use, and adding a surfactant to be uniformly mixed to obtain the leaf temperature adjustor in the flowering and boll-setting period of cotton. The leaf temperature adjustor in the flowering and boll-setting period of cotton is applied to the leaf surfaces in the flowering and boll-setting period of cotton. The problem of adjusting the temperature of leaf surfaces in the flowering and boll-setting period of cotton is solved, the purposes of accelerating development of cotton bolls and opening bolls are achieved, and the leaf temperature adjustor can obviously adjust the leaf temperature of cotton and accelerate accumulation of photosynthetic products and upper cotton bolls to open bolls. High noon high temperature stress is effectively avoided. The number of bolls of a cotton single strain in a field plot experiment is increased, the pre-frost yield is increased by 8.3 percentages, and the total output is increased by 11.6% compared with that of a control group.

The invention relates to an eutrophication water body endogenous phosphorus passivation material and a preparation method thereof, and belongs to the technical field of phosphorus passivation materials. In the existing passivation technology, the common problem of low phosphorus adsorption capacity also has the problems of short action life, single action and the like, new passivation materials need to be applied for multiple times, and other ammonia nitrogen and the like in a water body are not effectively controlled. The anti-corrosion agent comprises the following raw materials in parts by weight: 10-20 parts of zeolite powder, 30-50 parts of kaolin, 10-15 parts of lanthanum strong acid salt, 5-10 parts of magnesium strong acid salt and 5-10 parts of alum. The adsorbent is ecological and safe, has good compatibility with bottom mud, does not need to consume the alkalinity of a water body during application, has a passivation function on various anions or cations, and is large in adsorption capacity and long in effective life.