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35 results about "Microbial biodiversity" patented technology

Microbial agent and application thereof to saline-alkali land soil improvement

The invention relates to the technical field of microbe application, specifically relates to a microbial agent and application thereof to saline-alkali land soil improvement. The microbial agent is prepared by compounding bacillus amyloliquefaciens Bn-21, Bacillus subtilis Bn-3,Bacillus pumilus Bn-19, Rhodopseudomonas palustris Bn-2 and lactobacillus plantarum Bn-23, the compounded multiple microbes has different functions, each microbe carries out different microbe metabolic activity, every two bacterial strains have no antagonism, the function of each microbe is relatively stable, can play a different role in a soil conditioner, increase microbe diversity in soil, enhance activity of the microbe in soil, strengthen the effects of the soil conditioner for improving soil physical and chemical properties and improving the soil fertility.
Owner:北京本农科技发展有限公司 +1

Bacillus subtilis HL-1 and application thereof in respect of soil phosphate dissolving

The invention discloses a bacillus subtilis HL-1 and an application thereof in the respect of soil phosphate dissolving. The strain is collected in China General Microbiological Culture Collection Center (CGMCC) on Aug 24th, 2011, with a collection number of CGMCC No.5175. The 16SrDNA nucleotide sequence of the strain is represented by SEQ ID NO:1. With added diatomite and guava slag adsorbing agent materials, a fermentation broth of the bacillus subtilis HL-1 can be prepared into microbial manure. With the strain provided by the invention, phosphate availability and phosphate fertilizer utilization rate of the soil can be improved, plant growth can be promoted, and soil microbe diversity can be improved. The strain has important significance in reducing chemical fertilizer application, modifying soil micro-ecology, and promoting soil sustainable utilization. The strain has wide application prospect in production practice.
Owner:SOUTH CHINA AGRI UNIV

Method for removing pollutants in pollutants-contaminated soil

A method for removing pollutants in pollutants-contaminated soil is disclosed. The method includes following steps. A biodiversity system with microbial biodiversity characterization is used to induce growth and reproduce of at least one dominant synergistic flora for petroleum degradation. Most of the petroleum in the soil can be degraded when the temperature of the biodiversity system is below 30-50° C. The remained petroleum in the soil is than rapidly washed out from the soil through forming a petroleum-in-water emulsion by biosurfactant synthesized by the microorganisms in the biodiversity system.
Owner:LIN CHI TSAN +1

Bacillus thuringiensis GL-1 and application thereof in phosphate solubilization and disease prevention of soil

The invention discloses a Bacillus thuringiensis GL-1 and application thereof in phosphate solubilization and disease prevention of soil. The strain collection number is CGMCC No.4923, and the strain is collected in China General Microbiological Culture Collection (CGMCC) on July 21th, 2011. The Bacillus thuringiensis GL-1 disclosed by the invention can enhance the effectiveness of insoluble phosphorus in soil and the utilization ratio of phosphate fertilizer, and can promote plant growth on the premise of reducing the consumption of phosphate fertilizer. In addition, the strain has favorable antagonistic effects on pathogenic bacteria of Banana vascular wilt and tomato bacterial wilt, can effectively inhibit growth and reproduction of pathogenic bacteria Fusarium oxysporum and Pseudomonas solanacearum, and can be used as a biological pesticide. Besides, the strain can also enhance the microbial diversity and microbial abundance in soil. The biological fertilizer prepared from the strain can prevent soil-borne disease and promote plant growth, and thus, has wide application prospects.
Owner:SOUTH CHINA AGRI UNIV

Total DNA (Deoxyribonucleic Acid) extraction method of bottom mud containing high content of humus at river mouth

The invention discloses a total DNA (Deoxyribonucleic Acid) extraction method of bottom mud containing high content of humus at the river mouth. The method comprises the following steps: washing bottom mud by stroke-physiological saline solution to remove part of impurities such humus, and meanwhile, concentrating microorganisms; then, multigelating in liquid nitrogen and a water bath at 65 DEG C by means of CTAB (Cetyltrimethyl Ammonium Bromide), proteinase K and lysozyme for cell disruption, and then adding SDS (Sodium Dodecyl Sulfonate) and insulating for 2 hours in the water bath at 65 DEG C to combine protein; adding isovolumetric phenol / chloroform / isoamylol (25:24:1) to remove protein; adding isovolumetric isopropanol to set DNA, washing precipitate with 70% ethanol, and dissolving DNA by TE (pH8.0) after airing; adding 3 times of absolute ethyl alcohol in volume to re-set DNA, washing the precipitate with 70% ethanol, dissolving the precipitated DNA by TE after airing, and storing at minus 20 DEG C for later use. The method provided by the invention is simple to operate and cheap in price. The total DNA of bottom mud extracted by the method provided by the invention has the advantages of high purity and integral biodiversity, and can be used for molecular biology study and microbial diversity analysis.
Owner:INST OF BIOLOGICAL RESOURCES JIANGXI ACAD OF SCI

Preparation method and application of complex microbial agent for straw degradation

The invention belongs to the technical field of vegetable straw recovery treatment and relates to a preparation method and application of a complex microbial agent for straw degradation. The method includes steps: S1, collecting vegetable straw, cutting into fragments, and smashing to obtain a straw waste material A; S2, well mixing the straw waste material A, culture soil, a nitrogen source and water to obtain a mixture B; S3, taking the mixture B, performing inoculation of EM bacterial fluid, saccharomycete fluid, bacillus subtilis fluid and trichoderma harzianum fluid, stirring, mixing, andfermenting for 3-5 days to obtain the complex microbial agent. The invention further provides a straw organic fertilizer and a straw returning treatment method. The complex microbial agent for strawdegradation has advantages that antagonism of dominant growth florae can be improved, flora and microbial diversity is improved, and great straw degradation effects and low production cost are realized.
Owner:WEIFANG UNIV OF SCI & TECH

Growth-promoting bacteria for promoting growth of alfalfa on saline and alkaline land and microbial organic fertilizer thereof

The invention discloses a growth-promoting bacterial strain for the growth of alfalfa on a saline and alkaline land and a microbial organic fertilizer thereof, and belongs to an intensive production technology of animal husbandry. According to the growth-promoting bacterial strain for the growth of the alfalfa on the saline and alkaline land and the microbial organic fertilizer thereof, the growth-promoting bacterial strain for promoting the growth of the alfalfa is obtained through separation, the bacterial strain NAU-T14 is classified and named as Trichoderma harzianum and is preserved in the China Center for Type Culture Collection, and the preservation number of the bacterial strain is CCTCC M 2018520. The growth-promoting biological organic fertilizer prepared by utilizing the bacterial strain fermentation is rich in nutrition, can effectively increase the diversity of soil microorganisms and significantly promotes the growth of the alfalfa.
Owner:NANJING AGRICULTURAL UNIVERSITY

Probiotics compound for crowds with blood types of A, B and O and method and application of probiotics compound

The invention discloses a probiotics compound for crowds with the blood types of A, B and O and a method and application of the probiotics compound. A high throughput Roche 454 platform is used, the influences of individual differences of dietary habits, medical history, ages and the like of hosts are excluded, sequencing analysis is carried out on the intestinal flora 16S rRNA gene of the adult crowds, the differences of intestinal microbial diversity of the blood types of A, B and O are analyzed, difference intestinal florae influencing the individual health among the blood types of A, B and O are found, the probiotics compound for the blood types A, B and O is designed in an individualized mode on the basis that the roles played by difference probiotics on the human bodies are known and the susceptibility of the blood types A, B and O on different diseases is combined, and thus the functions and effects of preventing or treating diseases, improving the immunity of the human bodies, improving host intestinal flora composition, promoting digestive absorption of nutrient substances, restricting harmful bacteria and harmful substances and the like are achieved.
Owner:JINAN UNIVERSITY

Preparation method and application of litter leach liquor adding culture medium of soil microorganisms

The invention discloses a preparation method and application of a litter leach liquor adding culture medium of soil microorganisms. The preparation method is characterized in that a typical litter under a plant biotope where investigated soil is positioned is selected, about 1kg of multi-point mixing samples of an un-decomposed layer under the surface layer of the litter is directly collected andis packaged in a plastic bag to be taken back to a laboratory, a pair of scissors is adopted to cut the litter into pieces, the litter and distilled water are mixed in a triangular flask according toa mass ratio of 1:15, after a mixture is vibrated by a table concentrator for 30min, standing is carried out for 10min, the obtained mixture is filtered by gauze, and filtrate is litter leach liquor.Under a situation that the rest medicines in a formula of a bacterium, fungus and actinomycetes culture medium in the existing soil microorganisms are constant, the litter leach liquor is used for replacing 10% of a use amount of distilled water, and after high-temperature sterilization is carried out, the culture medium is obtained. The preparation method disclosed by the invention has a low cost, can be conveniently manufactured, can obviously improve the diversity of culturable microorganisms, and provides technical support for isolated culture and subsequent relevant research of the soil-culturable microorganisms.
Owner:GUIZHOU UNIV

Chili planting method capable of reducing influence of continuous cropping obstacles

PendingCN111758510AReduce the impact of continuous cropping obstaclesPromote growthClimate change adaptationHorticulture methodsBiotechnologyContinuous cropping
The invention provides a chili planting method capable of reducing the influence of continuous cropping obstacles. The method comprises the following steps: dripping diluted 20% allyl isothiocyanate emulsion in water on the soil to be planted with chilies according to the application amount of 7.0-11.0 L / 667m<2> 3-5 days before chili planting. Test shows, comparing with a control group, the methoddrips diluted the 20% allyl isothiocyanate emulsion in water on the soil to be planted with chilies according to the application amount of 7.0-11.0 L / 667m<2>, and the method is beneficial to growth of chili plants, improvement of photosynthesis in the chili growth process, improvement of soil enzyme activity and improvement of chili planting soil microbial diversity, thereby being beneficial to reduction of chili continuous cropping obstacle influence, prevention and control of chili diseases and insect pests, and improvement of chili yield and quality.
Owner:NINGXIA ACADEMY OF AGRI & FORESTRY SCI

Skin care product for maintaining muscle surface micro-ecological balance

The invention discloses a skin care product for maintaining muscle surface micro-ecological balance. The skin care product comprises an inclusion prepared from simmondsia chinensis seed oil, avena sativa kernel oil coated dichotoma fermentation product filtrate, artemisia apiacea extract, a bacillus fermentation product and micromolecular sodium hyaluronate, and through cooperation of plant extract, the effects of being antiseptic, mild and non-irritant are achieved. The microbial diversity of skin epidermis is effectively maintained, a healthy skin microbiota is constructed, and the skin state is integrally improved.
Owner:广州真极和美生物科技有限公司

Efficient cultivation method for improving soil acidity, precise fertilization and matched intercropping to comprehensively prevent and control banana wilt

The invention discloses an efficient cultivation method for improving soil acidity, precise fertilization and matched intercropping to comprehensively prevent and control banana wilt. Soil pH is regulated through a soil testing formula, precise fertilization is performed according to soil fertility, main banana nutrition NPK absorption amount, the rate of absorption and utilization and target yield, meanwhile peanut intercropping is performed to conserve water and soil, nodule nitrogen fixation is beneficial to banana growth, the soil microbial diversity is improved, and the occurrence rate of the banana wilt is remarkably reduced. The cultivation method is simple and clear to operate, the soil pH and the diversity of organic matter, bacteria and actinomycetes are remarkably improved, the amount of soil fungi (phytopathogens) is decreased, and the banana wilt is decreased. In addition, the fertilizer usage amount is effectively decreased, the high peanut and banana yield is obtained. The efficient cultivation method has the positive significance on prevention and control of the banana wilt and chemical fertilizer decrease and replacement through land applying and maintaining biological measures and efficient cultivation mode and has the application values on remarkable improvement of banana productivity, economic benefits, environment protection of producing areas and sustainable development of banana production.
Owner:ENVIRONMENT & PLANT PROTECTION INST CHINESE ACADEMY OF TROPICAL AGRI SCI

Tobacco planting soil micro-ecological environment determination method

The invention discloses a tobacco planting soil micro-ecological environment determination method. The determination method comprises the following steps: 1) setting a functional bio-organic fertilizer; 2) carrying out field contrast test trait investigation; 3) carrying out soil biological, physical and chemical characteristic determination; 4) carrying out soil microorganism diversity determination. The functional biological organic fertilizer provided by the invention has the advantages that the soil function can be effectively improved, and the soil improvement result can be completely, comprehensively and effectively evaluated.
Owner:LINCANG OF YUNNAN TOBACCO

Ecological planting method of American ginseng

The invention relates to an ecological planting method of American ginseng, a bed surface is covered with a biochar layer loaded with a microbial agent and a wheat straw layer after the American ginseng is sown, and the two-layer covering aims to optimize the micro-ecological environment of the root system of the American ginseng and increase the microbial diversity by utilizing the slow release and leaching effects of the microbial biochar layer; the wheat straw layer is used for preserving soil moisture, preventing freezing, avoiding weeding, preventing water evaporation in summer and avoiding overhigh temperature. The method is simple and easy to implement, the yield per unit area is obviously increased, the use amount of pesticides and fertilizers is obviously reduced, and the quality of medicinal materials is obviously improved.
Owner:UNIV OF JINAN

Device and method for purifying black and smelly water by using combined biotechnology

The invention provides a device and a method for purifying black and smelly water by using combined biotechnology. The device comprises an aeration box, a reaction box, a plant absorption box, a nanoaeration pipe, a suspension basket, a water inlet pipe, a water outlet pipe, a peristaltic pump and an air pump. The aeration box, the reaction box and the plant absorption box are arranged with elevation difference in turn. After the black and smelly water body is aerated by the aeration box, microbial inoculum, growth promoter and filler are added into the reaction box to rapidly improve the microbial diversity and biomass of degrading pollutants in the water body, so that pollutants are efficiently removed and the water quality of the water body is improved. Finally, plants are planted intothe plant absorption box, and the plants further absorb pollutants in the water body, so that the water quality of the water body is further improved. The microbial inoculum is an indigenous microbial inoculum, the main components of the microbial inoculum are photosynthetic bacteria, nitrifying bacteria, actinomycetes and yeast, the biopromoter is biological biopromoter BE, the filler is elasticthree-dimensional filler, and the plant is Alternanthera chinensis. The invention has the advantages of simple implementation, low cost and no secondary pollution.
Owner:YUNNAN UNIV

Ecological base usage method applicable to cyprinid fish farming and pond using ecological base

The invention discloses an ecological base usage method applicable to cyprinid fish farming and a pond using an ecological base. The usage method comprises cutting the ecological base into small blocks of rectangular ecological bases, wherein the lengths of the rectangles are 80cm-100cm, and the widths of the rectangles are 80cm-120cm; hanging each block of the ecological base on one side of a farming pond; keeping one side of each block of the ecological base complete, and cutting the opposite side into a plurality of 10cm*80cm long strips. According to the method and the pond, suspended solids in farming water can be eradicated, the pond bottom mud deposition is reduced, and the environment is protected; the total microbial diversity of the water can be reduced, and the stabilization of water quality is maintained. Preliminary results show that after using the ecological base according to the method, the fish growth rate is improved by 20% to 50%, and the disease occurrence rate is reduced by more than 20%.
Owner:广东顺德均健现代农业科技有限公司

Cultivation method for crop rotation of ganoderma lucidum and rice

The invention belongs to the technical field of agricultural planting, and particularly relates to a ganoderma lucidum and rice rotation cultivation method which applies a paddy-upland rotation mode to ganoderma lucidum cultivation. Under the rotation mode of the ganoderma lucidum and the rice, the soil environment is switched between aerobic and anaerobic conditions, the abundance of harmful fungal communities is reduced, the diversity of soil microorganisms is improved, the micro-ecological health of the soil is promoted, a remarkable effect is achieved for solving the problem of continuous cropping obstacles in the earthing cultivation process of the ganoderma lucidum, and the yield and quality of the ganoderma lucidum are effectively improved.
Owner:NINGBO ACAD OF AGRI SCI

Qualitative and/or quantitative extraction method of microbial DNA on the surface of large particle matrix of constructed wetland

The invention discloses a qualitative and / or quantitative extraction method of total DNA of large-grain substrate surface microorganisms in constructed wetlands. The method comprises the steps that large-grain substrates used for constructed wetlands filling serve as materials, biological membranes on the surfaces of the large-grain substances are eluted through a shaking table oscillation method, centrifugation is conducted to obtain precipitates, the precipitates are subjected to humic acid removing treatment with a humic acid removing buffer solution and a calcium chloride solution, cells are subjected to pyrolysis through an SDS-lysozyme method, chloroform extraction is conducted, and isopropanol precipitating is conducted to obtain DNA. Compared with an existing kit extraction method without pretreatment, the extracted total DNA of the substrate surface microorganisms in the constructed wetlands is high in concentration and purity and good in integrity, a small amount of information of microbial diversity is lost, and the method can be directly used for PCR, real-time quantitative PCR and DGGE experiment analysis. The method has the advantages of being low in extraction cost, short in consumed time and the like, the contamination rate in the sample treatment process is decreased, the DNA loss caused by freeze thawing is reduced, and the problems that when the total DNA of the large-grain substrate surface microorganisms in the constructed wetlands are extracted directly, the yield ratio is low, the purity is low and a small amount of the diversity information is obtained are solved.
Owner:JINAN UNIVERSITY

A quality intelligent detection method and system in the logistics process of cold chain meat and meat products

ActiveCN109852677BRealize smart logisticsImprove consumer confidenceBioreactor/fermenter combinationsBiological substance pretreatmentsCold chainDynamic models
The invention provides an intelligent quality detection method and system in logistic process of cold-chain meat and meat products. The detection method comprises steps as follows: analyzing and determining predominant decomposing microorganisms in samples, determining dynamic fluctuation temperature of the predominant decomposing microorganisms in each sample, setting culture temperature and a time parameter to put each sample in a fluctuation temperature incubator for cultivating, performing plate counts of total bacterial count and total predominant decomposing microorganisms count, establishing growth and survival curves under dynamic condition, constituting a three-stage dynamic model of microorganisms in cold-chain meat products, optimizing the kinetic parameter and obtaining intermittent dynamic prediction model of different predominant decomposing microorganisms under temperature fluctuation condition. The system can exactly and instantly describe microbial growth and survivalcharacteristics under fluctuation temperature condition, establishes an Internet and technology real-time visualization platform for the freshness of different cold-chain meat and meat products, so that intelligent logistics between cold-chain meat and meat products are realized, consumer confidence is improved, industry losses are reduced and economic benefit is improved.
Owner:HENAN AGRICULTURAL UNIVERSITY

A method for improving the efficiency of sludge anaerobic digestion while reducing the ecotoxicity of heavy metals

The invention relates to a method for simultaneously improving sludge anaerobic digestion efficiency and reducing the ecotoxicity of heavy metals. According to the method, after straws are activated with a ZnCl2 solution, straw biochar is prepared under a 550 DEG C high-temperature anaerobic condition, and further modification is performed by using an HCl solution and microwave; and by using modified biochar as carrier, a zero-valent nano-iron loaded modified biochar composite material HCl-FBC is prepared through a chemical reaction. According to the present invention, by adding the modified biochar composite HCl-FBC to the anaerobic digestion reactor at the initial stage of sludge anaerobic digestion, the organic matter conversion rate of sludge can be significantly increased, and the cumulative gas production of methane can be increased; HCl-FBC can easily increase the microbial diversity and the activity of the digested sludge and change the microbial community structure; and with the method, the sludge anaerobic digestion efficiency can be significant increased, the biogas production can be increased, the biological toxicity of the heavy metal in the digested sludge is effectively reduced, and the great significance is provided in the resource utilization of sludge and the reduction of the risk of sludge land use.
Owner:TONGJI UNIV

Bi-directional flow aerated biological ecological pool

The invention discloses a two-way flow aeration biological ecological pool, which comprises a pool body, in which a biological purification area, a flocculation area, a sludge concentration area, a sedimentation area and a top ecological area are arranged, and a side ecological area is arranged outside the pool body , high integration, compared with the separate construction of each functional unit, the floor area and engineering cost are greatly reduced; and the biofilter is alternately in two operating modes of upflow and downflow, making full use of the role of biological purification ; The backwash water is purified inside the filter, the system itself has a small amount of sewage, and the equipment operates normally during the backwash of the filter, which improves the treatment efficiency; avoids the problem that two or more process sections with the same function are arranged side by side, and reduces project investment At the same time, the filter plate is equipped with a ventilation and water passage device, so that the upward movement of the gas and the downward movement of the water are not blocked, and the aeration efficiency of the downward flow biological filter is improved, the energy utilization rate is improved, and the microbial diversity is increased. , Improve microbial metabolism, and the water quality of the equipment effluent is more stable and better.
Owner:中生源(海南)生态环境发展有限公司

Paenibacillus terrae for preventing and treating gray mold of paris polyphylla and application of paenibacillus terrae

The invention belongs to the technical field of plant disease and pest control, and particularly relates to paenibacillus terrae for preventing and treating gray mold of paris polyphylla and an application of the paenibacillus terrae. The paenibacillus terrae strain provided by the invention comes from the interior of a paris polyphylla leaf and has good compatibility with a self-circulation system of the paris polyphylla. The microbial agent is simple to prepare, low in cost, non-toxic, harmless and free of environmental pollution, is beneficial to safe and effective control of gray mold of the paris polyphylla and improvement of the yield and quality of the paris polyphylla, and is also beneficial to green cultivation of the paris polyphylla, protection of a farmland ecosystem and promotion of sustainable development of the paris polyphylla industry. The microbial agent is beneficial to improving the planting soil of the paris polyphylla, increasing the diversity of microorganisms in the soil and promoting the yield of the paris polyphylla and the content of effective components.
Owner:湖北省农业科学院中药材研究所

Composite material for improving microbial diversity and inhibiting pathogenic bacteria and preparation method thereof

The invention relates to a composite material for improving microbial diversity and inhibiting pathogenic bacteria and a preparation method of the composite material. The composite material comprisesthe following raw material components in parts by weight of 90-110 parts of inoculant, 0.5-1.5 parts of cyclodextrin and 1-3 parts of calcium peroxide. The inoculant comprises the following raw material components in percentage by weight of 45-55% of peat soil, 15-25% of mixed broadleaf-conifer forest soil, 5-15% of activated carbon, 1-3% of dry moss, 0.3-0.8% of fresh pine needles, 1-3% of freshbroad leaves, 3-8% of fresh shrub branches, 0.5-1.5% of shrub fresh leaves, 3-8% of dry pine bark, 0.3-0.8% of fresh usnea and 3-5% of dry corn stalks. The composite material can be applied to landscaping materials (soil, gravel and turf), pathogenic bacteria in the landscaping materials are inhibited, the diversity of microbial communities in the landscaping materials is improved, and the purposeof optimizing the microbial communities around a human body is achieved.
Owner:SHANGHAI JIAO TONG UNIV
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