34results about How to "Play an antagonistic role" patented technology

The invention discloses an organic fertilizer containing sugar dregs and biological germs and a preparation method thereof. The organic fertilizer containing sugar dregs and biological germs, provided by the invention, comprises the following components in parts by weight: 10 parts of sugar dregs, 32 parts of humic acid, 10 parts of amino acid, 10 parts of plant ash, 10 parts of lignin, 15 parts of medical dregs, 8 parts of bentonite and 5 parts of biological germ; the sugar dreg is either any one of or the mixture of more than one of beet sugar dregs, corn sugar dregs, cane sugar dregs and watermelon sugar dregs. As sugar dregs are added in the active ingredients, by-product in crop sugar producing process can be reused, and ecological environment is protected. The addition of abundant humic acid promotes the sugar dregs to transfer into the components that the crop can absorb and being absorbed by the crop, so as to increase the sugar content of the crop, and enable the nutrition of the crop to be more comprehensive; and the organic fertilizer containing sugar dregs is simple to prepare, convenient to operate, and the addition of sugar dregs after smashing and fermenting enables the forming effect in pelleting to be good.

The present invention discloses a composite microbial agent fermented organic and inorganic biological compound fertilizer, and belongs to the technical field of agricultural fertilizer. The compound fertilize is characterized by consisting of the following materials by weight: 50-55 parts of a semi-finished product, 35-40 parts of an inorganic nutrient, 8-12 parts of weathered coal, and a fermentation body accounting for 1.0-2.0% of the total weight of the above, wherein the biological composite enzyme accounts for 0.01-0.02% of the total weight of the semi-finished product. The present invention has the beneficial effects that microbial fermentation technology is utilized to convert organic materials and chemical fertilizers into organic ingredients, through bioconversion, so as to improve the utilization of fertilizers as well as make crops absorb the necessary nutrients faster and more timely. Chemical nutrients and composite microbial agents are added in a secondary fermentation process, the decreased temperature of the secondary fermentation and microbial fermentation are used to convert inorganic elements, in order not only to avoid the inorganic nutrient loss in high temperature fermentation but also improve the survival rate of microorganisms.

The invention discloses a planting method for greenhouse organic spinach. The method is characterized by comprising the following steps of 1, organic fertilizer manufacturing, wherein organic fertilizer raw materials are subjected to high-temperature sterilization, ammoniation treatment and dual-fermentation; 2, soil treatment, wherein organic fertilizer is applied to greenhouse planting soil, a sodium hypochlorite solution and a plant fungicide are used for performing atomization sterilization separately, and then a mixed bacterium solution is sprayed to the planting soil; 3, seed germinationacceleration, wherein spinach seeds are soaked into hot water for soaking and germination acceleration, and then soaked into the plant fungicide to be cultivated; 4, greenhouse planting, wherein germinated seeds are sown in a greenhouse seedling bed for greenhouse cultivation; 5, pest control, wherein the mixed bacterium agent and the plant fungicide are used separately for spraying every 3-4 days, and then the ozone volume concentration in the greenhouse is increased every 12-15 days.

The invention relates to a cadmium-contaminated soil remedying agent, and belongs to the field of soil remediation. Attapulgite and isocyanate are mixed and modified by a silane coupling agent, so that a molecular bridge between an inorganic component interface and an organic component interface can be built to enhance the acting activity; meanwhile, Zn<2+> contained in salt can antagonize cadmiumions, so that absorption of the cadmium ions by plants and the toxic effect of the cadmium ions on crops are reduced, the mobility of the cadmium ions in soil is reduced, and the effects of passivating and remedying cadmium-contaminated soil are achieved; white mica and basalt are treated to form a three-dimensional crosslinked network so as to fix cadmium and reduce the bioavailability of the cadmium in the soil; protein can be destroyed by the cadmium ions, so that the viscosity is increased and a spatial structure becomes loose; the cadmium ions can be wrapped, so that the effect of reducing the mobility of the cadmium ions in the soil is achieved; and the problem that the current soil remedying agent commonly used for the cadmium-contaminated soil has poor remedying effect on the cadmium-contaminated soil is solved.

The invention discloses a high-nutrient-content organic fertilizer containing biological bacteria and trace elements. The high-nutrient content organic fertilizer comprises the following components in parts by weight: 19 parts of bean pulp, 10 parts of hide powder, 23 parts of cottonseed pulp, 14 parts of fungi residues, 9 parts of bone paste, 12 parts of sugar residues, 8 parts of bentonite, 4.5 parts of the biological bacteria and 0.5 part of trace element fertilizers. A preparation method of the high-nutrient-content organic fertilizer comprises the following steps of: weighing the materials in parts by weight, mixing, and uniformly stirring; then fermenting at the temperature of 70 DEG C for 8 days, and controlling a PH value between 6 and 7 during fermentation; and after the fermentation is finished, granulating, drying and filtering. The organic fertilizer disclosed by the invention is fast in fertilizer effect while promoting the growth of crops because the content of nutrients, such as the elements of N, P, K and the like, is higher than 8%; and when the high-nutrient content organic fertilizer containing the biological bacteria and the trace elements is prepared, angel saccharomycetes are added for fermentation, an obvious fermentation effect can be achieved by using the angel saccharomycetes together with the fungi residues, the sugar residues and the like, and the release of organic substances contained in the organic fertilizer can be fast promoted, so that short fermentation time and low cost are achieved.

The invention discloses a preparation method of liquid acidic pectinase with strong stability, and belongs to the technical field of preparation of enzyme preparations. The preparation method of the liquid acidic pectinase with strong stability does not need addition of a chemical preservative and low-temperature treatment, and the liquid acidic pectinase with strong stability, which is stable and has a relatively long quality guarantee period, can be obtained by fermenting a crude enzyme solution and blending a concentrated solution by adopting a high-voltage pulse electric field at normal temperature, adding natural plant raw materials including a pectin decomposed product, a Chinese medicinal herb extract, modified dietary fibers and the like during blending, and then performing aseptic filtration and sterile filling. Experiments prove that the liquid acidic pectinase with strong stability, prepared by the method disclosed by the invention, has the total number of bacterial colonies of 75-110CFU/mL after being stored for 12 months at room temperature; and the enzyme activity loss rates of the liquid acidic pectinase which is stored for 12 months at 40 DEG C and 0 DEG C are 1.2-1.4% and 0.5-1.1% respectively.

The invention discloses a highly-efficient bamboo charcoal organic fertilizer. The fertilizer comprises components with the following parts by weight: 3 to 5 parts of humic acid, 10 to 20 parts of alfalfa hay, 0.3 to 0.7 part of castor oil, 10 to 20 parts of herba andrographitis, 10 to 16 parts of cordate houttuynia, 12 to 14 parts of tobacco stems, 20 to 30 parts of bamboo charcoal, 0.03 to 0.08 part of a microbial bacterium liquid, and 0.02 to 0.06 part of an auximone, wherein the microbial bacterium liquid comprises components with the following parts by weight: 0.01 to 0.03 part of a rhizobium liquid, 0.01 to 0.02 part of an azotobacter chroococcum liquid, and 0.01 to 0.03 part of a bacillus megatherium liquid; the concentrations of the three bacterium liquids are all 3.4*10<7>/ml; the auximone comprises components with the following parts by weight: 0.01 to 0.03 part of vitamin B, and 0.01 to 0.03 part of brassinolide; the components go through pretreatment, mixing, fermentation, extrusion molding and low-temperature drying to obtain the finished product. The fertilizer provided by the invention has the advantages that bamboo charcoal, microbial bacteria and other components are effectively combined, so that organic substances and nitrogen sources in the air can be effectively absorbed and transformed into necessary auximones for plants through microbial fermentation, which can effectively promote plant growth, increase the yield, facilitate loosening of plate lands, and improve the air quality; the fertilizer is environment-friendly and highly-efficient.

The invention discloses a probiotic composition and an application thereof. The composition comprises Bifidobacterium lactis HN019 and Lactobacillus, wherein the Lactobacillus includes Lactobacillus plantarum CECT 7481 and Lactobacillus brevis CECT 7480. Researches show that the three strains have a synergistic interaction effect, and the prepared probiotic composition can be colonized in the oralcavity, has an antagonistic effect on oral streptococcus mutans and inhibits colonization of the oral streptococcus mutans in the oral cavity, so that the effect of preventing and reducing the dentalcaries severity caused by the streptococcus mutans is achieved.

The invention relates to the technical field of enzyme preparation application, and particularly provides a compound enzyme preparation and application thereof in the field of shrimp enzymolysis processing. Through the synergistic effect of neutral protease, papain, chitinase, NSP enzyme and monocalcium phosphate, the compound enzyme preparation can efficiently enzymatically hydrolyze shrimp raw materials, increases the content of digestible and absorbable proteins such as small peptides and amino acids and the content of chitosan oligosaccharide, helps to improve the palatability of processedshrimp products, and has wide application prospect.

The invention discloses a probiotic composition. The probiotic composition is prepared from the following raw materials according to the dosage ratio: 50-150 * 10 < 10 > cfu of lactobacillus plantarum, 20-60 * 10 < 10 > cfu of lactobacillus rhamnosus, 10-20 * 10 < 10 > cfu of bifidobacterium animalis, 4-12 * 10 < 10 > cfu of bifidobacterium longum, 15-30 * 10 < 10 > cfu of lactobacillus helveticus, 8-20 * 10 < 10 > cfu of lactobacillus salivarius and 50-150 g of a pharmaceutical auxiliary material. The pharmaceutical auxiliary material comprises the following components in parts by weight: 0.3-0.7 parts of an antioxidant, 30-70 parts of sugar alcohol, 10-20 parts of prebiotics and 10-30 parts of a flavoring agent. The probiotic composition has an antagonistic effect on oral streptococcus mutans and can be used for treating decayed teeth or slowing down decay of teeth.

The invention discloses a selenium-enriched corn planting method capable of improving quality and efficiency and reducing heavy metal pollution, and relates to the field of agriculture. The selenium-enriched corn planting method aims at solving the problem of heavy metal pollution, especially cadmium pollution, of selenium-enriched soil in Hailun area. According to the selenium-enriched corn planting method, after seedlings are treated by adopting an extracting solution containing cadmium, the influence of heavy metal, especially cadmium, on the growth of corn is reduced by utilizing low-concentration selenium. In addition, the fertility is increased by adopting earthworm fertilizer, so that the stress resistance of the corn is improved, and the quality and the yield of the corn are improved. According to the scheme, after the selenium-enriched corn planting method is used for specific selenium-enriched soil in Hailun area in Heilongjiang province, the stress resistance, especially the stress resistance to heavy metal pollution, of corn crops can be remarkably improved, and the stress resistance of cadmium is the most important. Moreover, the quality and the yield of the crops can be improved. The selenium-enriched corn planting method is applied to the field of corn planting.

The invention discloses a Chinese yam preservation microbial agent and method for using microbial agent to retain freshness of Chinese yam at the normal temperature. The microbial agent is prepared from, by weight, 10 parts of deep-layer soil, 2-3 parts of water and 0.05-0.1 part of slime prepared from EM bacterial liquid, wherein the viable amount of the EM bacterial liquid is larger than or equal to 2 billion microorganisms/ml. The method for retaining the freshness of the Chinese yam at the normal temperature comprises the steps of removing the basal part of stems of the to-be-stored Chinese yam for slitting, immediately using the Chinese yam preservation microbial agent for sealing, uniformly adhering slime which is 1-3 mm in thickness at the notches of Chinese yam, loading the Chineseyam into a box of which the lining is provided with a light-proof packaging bag, uniformly spraying EM bacterial liquid diluent on each layer of Chinese yam in the packaging process, doubling the light-proof packaging bag up to be placed at the ventilated place to be naturally cooled, when the temperature is lowered to 0-5 DEG C, putting the box into a warehouse, and storing the Chinese yam at the normal temperature. By means of the Chinese yam preservation microbial agent, the mouthfeel and the nutritive components of the Chinese yam cannot be damaged; meanwhile, the storing method of the Chinese yam is simple and feasible, low in cost, and easy to operate, the storage time is long, and the Chinese yam preservation effect is good.