229results about How to "Dry weight increase" patented technology

The invention discloses a liquid compound microbial fertilizer containing polyglutamic acid, and a preparation method and an application thereof, and belongs to the field of compound microbial fertilizers. Bacillus megaterium, bacillus thuringiensis and bacillus amyloliquefaciens are prepared into a bacteria liquid by liquid fermentation, and then the bacteria liquid is mixed with compound nutrients and a gamma-polyglutamic acid according to the mass ratio of 1:1:0.05-0.1 to be prepared into the efficient liquid compound microbial fertilizer. On the basis of good phosphorus dissolving capability of the bacillus megaterium, good insect resistance of the bacillus amyloliquefaciens and good organic matter degrading capability of the bacillus amyloliquefaciens, the purposes of more excellent fertilizer efficiency and lower water consumption are achieved under the characteristics of water retention, fertilizer preservation, and no environmental pollution of the gamma-polyglutamic acid, therefore, the scientific and reasonable matching of the compound fertilizers is formed.

Silver nanoparticles associated with 20 to 80% by weight of a biocomponent of the genus Lactobacillus, said silver nanoparticles having a ratio of the average particle size to the specific surface area (BET) of from 0.015 to 0.15 nm/m²/g; a method for producing silver nanoparticles, comprising the step of incubating bacteria of the genus Lactobacillus with an aqueous solution comprising at least 4 mM of a silver salt in the presence of ammonia and an alkali metal hydroxide until a biomass of bacteria containing Ag⁰ silver nanoparticles is formed; and optionally a further step of extracting said Ag⁰ silver nanoparticles from said biomass by means of concentrated alkali metal hydroxide or concentrated inorganic acid or enzymes; an anti-microbial composition comprising an effective amount of said silver nanoparticles; use of said silver nanoparticles for the manufacturing of an article or a composition with anti-microbial activity; a method for manufacturing an article or a composition with anti-microbial activity, comprising dispersing or impregnating said silver nanoparticles into said article or composition; and an article with anti-microbial property having said silver nanoparticles dispersed therein.

The invention discloses an intelligent LED (Light-Emitting Diode) light supplementing indoor circulating economical planting and breeding system, which is characterized by comprising a plant culturing system, an aquarium fish breeding system, an LED plant light supplementing system, an air circulating system, a water circulating system and a control system, wherein the plant culturing system is connected with the aquarium fish breeding system through the water circulating system; plants are irrigated by using fish breeding water, and excrements of fishes are purified by using the plants, so that circular utilization of water and nutrients is realized; the LED plant light supplementing system is connected with the plant culturing system, so that illumination adjustment and supplement are performed on the plants, and healthy growth of the plants is facilitated; and the aquarium fish breeding system is connected with the air circulating system, so that air with a certain flow amount is pumped into a fish tank periodically, and the oxygen content in water is ensured. According to the economical planting and breeding system, a complete indoor economical planting and breeding system is constructed, and the entire system is simple in structure and low in cost; and meanwhile, the economical planting and breeding system has the effects of purifying indoor air, adjusting indoor air humidity and beautifying indoor environment.

Biodegradable anionic polymers are disclosed which include recurring polymeric subunits preferably made up of dicarboxylic monomers such as maleic anhydride, itaconic anhydride or citraconic anhydride. Free radical polymerization is used in the synthesis of the polymers. The polymers may be complexed with ions and/or mixed with fertilizers or seeds to yield agriculturally useful compositions. The preferred products of the invention may be applied foliarly or to the earth adjacent growing plants in order to enhance nutrient uptake by the plants.

The invention discloses a cultivation method for improving corn yield in saline-alkali land. The method comprises the following steps: irrigating the saline-alkali land for flooding for once in the middle of March, wherein the irrigation volume for per mu is 60-100 m<3>, airing for 1-1.5 months until the surface of earth is dry enough to allow people to step on, applying 1000kg-1500kg of miscellaneous manure or 50kg-55kg of compound fertilizer per mu, then performing rotary tillage for 1-2 times to mix soil and the fertilizer, pressing by using a harrow and preserving soil moisture, and leveling the surface of earth; treating corn by using a seed coating agent before the corn is seeded, wherein the seed coating agent comprises actinomycin, bacillus mucilaginosus, azospirillum, diatomite, spicy powder, heteroauxin, potassium sulphate, magnesium sulfate, zinc sulfate, an alpha-pimacol growth regulator, an EDTA-2Na chelating agent, humic acid and turf; mixing bactericide and insecticide with seeds for treating the seeds, namely, firstly adding the insecticide, and then adding the bactericide after piling for 3-6 hours; and immediately seeding after the seed mixing treatment is finished.

Biodegradable anionic polymers are disclosed which include recurring polymeric subunits preferably made up of dicarboxylic monomers such as maleic anhydride, itaconic anhydride or citraconic anhydride. Free radical polymerization is used in the synthesis of the polymers. The polymers may be complexed with ions and/or mixed with fertilizers or seeds to yield agriculturally useful compositions. The preferred products of the invention may be applied foliarly or to the earth adjacent growing plants in order to enhance nutrient uptake by the plants.

The invention discloses a novel cultural method of antrodia camphorata mycelium. In the culturing process of the cultural method, sesame oil is added into a fermentation tank culture medium which is used for replacing the existing chemical defoaming agent. The invention provides a novel natural defoaming agent, and fermentation liquid of the antrodia camphorata mycelium obtained by the cultural method leads the tank collecting days of the antrodia camphorata mycelium to be shortened and the dry weight thereof to be increased, and ensures the color of the antrodia camphorata mycelium to be similar to red of the natural antrodia camphorata; and the antrodia camphorata mycelium is rich in sesamol and has higher nutritional value compared with the antrodia camphorata mycelium cultured by the existing method.

The invention discloses a bacillus atrophaeus strain DPPG-28 and an application in crop disease control, and belongs to the field of agricultural biotechnology. The strain is separated from soil of drip irrigation fields with damping off in tomato processing production areas, and has an accession number of CGMCC No. 9394. The strain can be used for biological control of crop pathogens such as rhizoctonia solani, pythium aphanidermatum, alternaria solani, phytophthora capsici, tomato scab fungi, and the like; the control effects on tomato damping off, capsicum early blight, and cotton damping off reach respectively 74.17%, 66.83%, and 70.12%; the strain can significantly improve the crop germination rate, plant height, fresh weight, and dry weight at the seedling stage. The strain of the invention has high-efficient wide-spectrum germicidal activity, and has wide application prospects in biocontrol agents.

Biodegradable anionic polymers are disclosed which include recurring polymeric subunits preferably made up of dicarboxylic monomers such as maleic anhydride, itaconic anhydride or citraconic anhydride. Free radical polymerization is used in the synthesis of the polymers. The polymers may be complexed with ions and/or mixed with fertilizers or seeds to yield agriculturally useful compositions. The preferred products of the invention may be applied foliarly or to the earth adjacent growing plants in order to enhance nutrient uptake by the plants.

The invention discloses a nutrient solution matrix-free seedling raising and cultivating system and a seedling raising method. The system comprises a nutrient solution seedling raising tank, a seedling grid plate, seeding paper and covering paper, wherein the nutrient solution seedling raising tank is filled with water or nutrient solution; the seedling raising grid plate is arranged on the nutrient solution seedling raising tank, and water through holes are formed on the side faces of the grid plate holes of the seedling raising grid plate; the seeding paper is laid on the seedling raising grid plate; and after seeding, the covering paper is covered on the seeding paper bearing seeds. The method comprises: sowing seeds on the seeding paper, covering the covering paper with high water absorbing performance and breathability and covering the perlite or vermiculite on the covering paper; and after the seeds germinate, the roots of the seedlings penetrate the seeding paper to grow downward to absorb water and nutrients from the nutrient solution below. When the system is used, a matrix which is adopted by the conventional industrial seeding raising technique is not used, the overall accurate control over the temperature, water, nutrient and oxygen required by plants for growth in the whole seedling raising process is realized, the industrialization of the seedling raising processis realized, and the uniformity, strong seedling rate and robust degree of the seedlings are improved.

The invention relates to a bacillus mucilaginosus strain which is obtained through ultraviolet mutagenesis and has higher Si-releasing capability, and the CGMCC ((China General Microbiological Culture Collection Center) NO of the strain is 4667. The invention also relates to applications of the strain. Experiments prove that, by adopting the strain, the available silicon content and water-soluble silicon content of soil can be increased by more than 20%; the root growth can be promoted, the dry weight of the root system can be increased by more than 30%; the tiller number of rice can be increased by more than 20%; the yield of rice can be increased by more than 10%; and the total nitrogen content of the harvested rice plant can be increased by 7.4%, the total phosphorus content can be increased by 7.41%, the total potassium content can be increased by 3.72%, and the total silicon content can be increased by 7.89%.

The invention discloses a root growth promoting agent for tobacco, its preparation and application. The root growth promoting agent comprises the following ingredients: 100-150 weight parts of potassium nitrate, 50-100 weight parts of urea, 10-50 weight parts of potassium dihydrogen phosphate, 10-50 weight parts of amino acid powder, 5-10 weight parts of zinc sulfate, 5-10 weight parts of ferrous sulphate, 5-10 weight parts of boric acid, 5-10 weight parts of sodium alginate, 5-10 weight parts of glucose, 5-10 weight parts of compound sodium nitrophenolate, and 5-10 weight parts of paclobutrazol. The root growth promoting agent disclosed herein can simultaneously provide tobacco with organic and inorganic nutrition, macro and trace nutrients, and root growth promoting factors with physiological activity, has the effect of improving tobacco rhizosphere environment, and can rapidly induce the rooting and growth of seedlings. The root growth promoting agent disclosed herein can be applied by blade spraying, hole irrigation, root irrigation and the like. Compared with the control group, the total number of roots which is subject to the application of the root growth promoting agent increases by 5.04-35.19%, the root dry weight increases by 5.69-32.47%, and the root volume increases by 7.99-36.75%. The root growth promoting agent disclosed herein can be widely applied in tobacco production.

The invention relates to a tobacco selenium-rich seedling culturing substrate and a using method thereof. The seedling culturing substrate is characterized in a tobacco selenium-rich seedling culturing substrate, which is prepared from the steps of: mixing peat, carbonized husks, perlite and activated selenium mineral powder according to a dry weight ratio of 1:1:0.5:(0.2-0.6); adding water to achieve a water content of 20-30%; and evenly mixing. The using method of the seedling culturing substrate is characterized by comprising the steps of: spraying water on the selenium-rich seedling culturing substrate and pouring the selenium-rich seedling culturing substrate on a floating seedling culturing disk to culture seedling bases. After the substrate produced by the formula is applied for supplementing selenium of tobacco leaves, the quality of the tobacco seedling is improved remarkably, both the dry weight of a root system and a root shoot ratio are enhanced considerably, the production cost of the selenium-rich tobacco leaves is lowered effectively and the utilization rate of the selenium resource is enhanced outstandingly.

The present invention discloses a Tricholoma matsutake sing mutagenesis strain and a breeding method thereof. According to the present invention, a new high-yield Tricholoma matsutake sing strain is obtained through chemical mutagenesis screening separation, wherein the preservation number is CCTCC N0:2014671, the mycelium dry weight is increased by 69.68% compared with the original strain, the adenosine content is increased by 33.96%, the polysaccharide content is increased by 75.72%, the protein content is increased by 35.17%, and the mannitol content is increased by 52.8%; and after subculturing is performed on the new Tricholoma matsutake sing strain more than or equal to 10 times, no degeneration is generated, and the genetic stability is provided. The present invention further discloses an optimal fermentation culture medium of the Tricholoma matsutake sing mutagenesis strain.

The invention provides an osmoregulation initiation method of cotton seeds under low-temperature stress. The osmoregulation initiation method comprises the following steps of: preparing an initiating agent of the cotton seeds under low-temperature stress; in a cleaning ware, arranging warm water with the temperature of 40-45 DEG C and the water amount being 5 times of the volume of the seeds, immersing the seeds into the warm water, continuously stirring, stopping stirring when the water temperature falls to 20 DEG C, and filtering water; diluting the initiating agent of the seeds by 500 times, pouring the initiating agent of the seeds into the ware, soaking for 22-26 hours, wherein the use amount of the initiating agent of the seeds is twice of the volume of the seeds and the temperature is set to be 40 DEG C; and filtering the seeds, bleaching for once or twice with clean water, absorbing the moisture, putting the seeds into a special oven for back drying, setting the temperature to be 40 DEG C, controlling the water content in back drying to be 7.5%+/-0.2%, and sowing or storing the seeds immediately.

The invention discloses a corn special controlled-release composite fertilizer which comprises the following ingredients in parts by weight of: 120 to 180 parts of potassium chloride, 150 to 180 parts of diammonium phosphate, 100 to 550 parts of large-granule urea, 50 to 120 parts of ammonium sulfate, 110 to 360 parts of granular superphosphate and 8 to 80 parts of composite control agent, wherein the composite control agent contains urease inhibitor, nitrification inhibitor, ammonium sulfate and clay. The corn special controlled-release composite fertilizer releases nutrients aiming at nutritional demand characteristics at various stages of corn growth, is synchronous in fertilizer nutrient supply amount, strength and time as well as corn growth demands, and has low production material cost.

The invention provides development and application of a co-colonization type complex microbial inoculant based on a plant rhizosphere biofilm. The plant probiotic complex microbial inoculant is composed of bacillus amyloliquefaciens SQR9 and pseudomonas stutzeri XL272. The bacterial strain XL272 is separated from the rhizosphere of cucumber inoculated with a single bacterial strain SQR9, and can be metabolized and mutually nourished with the bacterial strain SQR9 to form the biofilm, and the biomass of the biofilm formed by the bacterial strain XL272 and the bacterial strain SQR9 is obviously higher than the biomass of a biofilm formed by a single bacterium. Fluorescently labeled strains are co-inoculated to the rhizosphere of a plant, and the strains SQR9 (green) and XL272 (purple) can be co-colonized and jointly generate a synergistic probiotic effect on the plant. The plant probiotic complex microbial inoculant not only can significantly promote cucumber growth, but also can help plants to resist salt in soil with a salt content of 0.3%.