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 an organic inorganic compound fertilizer containing biological germs and a preparation method thereof. The organic inorganic compound fertilizer containing biological germs, provided by the invention, comprises the following components in parts by weight: 23 parts of urea, 15 parts of ammonium dihydrogen phosphate, 18 parts of potassium sulphate, 24 parts of humic acid, 10 parts of cigarette foam, 5 parts of bentonite and 5 parts of biological germ, the components are weighted, mixed and stirred uniformly; and then the mixture is fermented, the fermentation temperature is 70 degrees, the fermentation time is 13 days, and the pH value in fermentation is controlled between 6 to 7; and the mixture after fermentation can be pelleted, dried and the like. The organic principle and inorganic principle ratio of the recipe of the organic inorganic compound fertilizer provided by the invention is moderate, the nutrient released is in coordination with the growth of the crop, the use ratio of the organic inorganic compound fertilizer provided by the invention is more than 55 percent, the promotion of the organic principle to yield-increasing effect is obvious, and the addition of the bentonite enables the organic inorganic compound fertilizer to be good in forming in pelleting; and the cigarette foam is turned into a valuable ingredient, so as to alleviate pollution to the environment of fertilizer fertilization.

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 relates to medium element folia fertilizer with Arabic gum, which belongs to the technical field foliar fertilizer. The medium element foliar fertilizer comprises the following components by weight percent: 50 to 75 percent of calcium nitrate or calcium chloride, 10 to 25 percent of magnesium nitrate of magnesium chloride, 10 to 18 percent of Arabic gum, and 0 to 30 percent of water.By spraying the foliar fertilizer of the invention, the defects of calcium shortage can be avoided, the calcium content of fruits is high, and the fruits can be ripe and sold early.

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 relates to the field of feed additives and particularly provides a special compound enzyme for barley-based feed. The compound enzyme contains beta-dextranase, cellulase and xylanase and can increase the dry matter utilization rate and in-vitro digestible energy of the barley-based feed effectively, so that efficient digestion and absorption utilization of the barley-based feed are realized for livestock and poultry. The adding amount of the beta-dextranase in the compound enzyme is the key for affecting the effect of the compound enzyme, specifically, when the defined amount of beta-dextranase (the weight ratio of the beta-dextranase to the cellulase to the xylanase is (10-15):20:7) is added, the beta-dextranase can play a synergistic role on the effects of the cellulase and the xylanase in the compound enzyme, and accordingly, the comprehensive effect of the compound enzyme is optimal; however, when the beta-dextranase is added excessively, an antagonistic action is caused, the action effects of the cellulase and the xylanase can be inhibited to a certain extent, the comprehensive effect of the compound enzyme is reduced, and undesirable effects are realized.

The invention discloses a greenhouse cultivation method for organic zizania latifolia. The method includes the following aspects: (1) selecting a planting pond, choosing a flat area far away from an industrial area and a living area and closes to a stream located at the foot of a mountain to build a greenhouse, enabling the planting pond in the greenhouse to run east and west, sealing the greenhouse, and performing atomization treatment; (2) selecting planting soil, taking lotus pond mud, river mud and marsh pond mud, after natural drying is performed, performing mixing, performing sterilization, adding organic matter and a mixed microbial inoculants, performing mixing, and performing fermentation; (3) performing planting, cutting a zizania latifolia cluster with 5-7 zizania latifolia seedlings, soaking the cut zizania latifolia cluster into clear water and a sodium hypochlorite solution in sequence, and performing transplanting at the middle of March to the end of the March; (4) performing cultivation in the greenhouse, after planting is performed, adjusting the water depth and temperature of the planting pond, enabling the volume concentration of carbon dioxide to be improved, and performing regular spraying by using a plant bactericide and a microelement solution; and (5) performing breeding and performing harvesting, putting carassius auratus fry in the beginning of May, after harvesting is performed at the middle of July to the beginning of August, discharging water, and applying an organic fertilizer, a plant bactericide and a microelement solution.

The invention discloses an organic fertilizer containing medical dregs and biological germs and a preparation method thereof. The organic fertilizer containing medical dregs and biological germs, provided by the invention, comprises the following components in parts by weight: 15 parts of Chinese prickly meal, 10 parts of bean meal, 15 parts of plant ash, 20 parts of medicine residue, 15 parts of corm pulp, 10 parts of bone meal, 10 parts of bentonite and 5 parts of biological germ; and the biological germ is either any one of or the mixture of more than one of bacillus megatherium, rhizobium japonicum, basil rhizobia and EM flora. According to the organic fertilizer provided by the invention, the Chinese prickly meal and the medicine residue are added in the active ingredients, the Chinese prickly meal has an insecticidal property, and the medicine dregs has medical value, so that the synergistic effect of the two can reduce crop diseases and insect pests, reduce the usage of pesticide, and preserve the ecological environment. After using the organic fertilizer containing medical dregs and biological germs, the applicant found that the production of sweet potato increases more than 24 percent a year, the nutrient substance in the organic fertilizer is provided to the plants, the production cost is low, and the method can be widely used in agricultural field.

The invention provides a microbial agent based on sewage treatment, and relates to the technical field of sewage treatment. The microbial agent based on sewage treatment comprises the following raw materials in parts by weight: 850-1000 parts of a compound bacterial liquid, 15-25 parts of trehalose, 15-25 parts of mannitol, 30-35 parts of soluble starch, 0.3-0.5 part of vitamin D, 0.3-0.5 part of vitamin E, 12-16 parts of xanthan gum, 0.1-0.15 part of limonin, 3-5 parts of hexaflumuron and 2-4 parts of theophylline. Oxygen of an anaerobic workstation is adjusted, rhodospirillum rubrum and green sulfur bacteria are domesticated, and then the rhodospirillum rubrum and the green sulfur bacteria are propagated, so that the rhodospirillum rubrum and the green sulfur bacteria can adapt to a sewage treatment system with alternate anaerobic and anoxic operation, the green sulfur bacteria play an antagonistic role on Beggiatoa, the growth of Beggiatoa is inhibited, excessive improvement of the water shear resistance of a microbial film is avoided, and the microbial agent is worthy of being widely popularized.

The invention provides a compound three-dimensional ecological interplanting cultivation method of pepper, loofah and water spinach, and relates to the technical field of crop interplanting ecological cultivation. The compound three-dimensional ecological interplanting cultivation method of capsicum, towel gourd and water spinach of the present invention comprises: arranging stubbles; plotting and building a frame; sowing; cultivating strong seedlings; Compared with single planting, water spinach can not only effectively improve the annual land utilization rate, but also significantly increase the economic benefits.

The invention relates to the technical field of enzyme preparation application, and specifically provides a composite enzyme preparation and its application in the field of shrimp enzymolysis processing. Through the synergistic effect of neutral protease, papain, chitinase, NSP enzyme and calcium dihydrogen phosphate, the compound enzyme preparation can efficiently enzymatically hydrolyze shrimp raw materials, improve the digestion and absorption of small peptides, amino acids and other easily digestible proteins and chitin oligosaccharides. The content of sugar is reduced, and it is beneficial to improve the palatability of processed shrimp products, and has broad application prospects.

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.

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 an organic fertilizer containing sugar residues and trace elements and a preparation method thereof. The organic fertilizer comprises the following components in parts by weight: 10 parts of sugar residues, 32 parts of humic acid, 10 parts of amino acid, 10 parts of plant ash, 10 parts of lignin, 15 parts of dregs of a decoction, 8 parts of bentonite, 4 parts of biological bacterium and 1 part of trace element fertilizer, wherein the sugar residues are any one of or the mixture of more than any two of beet sugar residues, corn sugar residues, cane sugar residues and watermelon sugar residues. The organic fertilizer and the preparation method have the advantages that by adding the sugar residues to the active components, the byproducts in the process of producing sugar from crops are reused, thus preserving the ecological environment; meanwhile, vast humic acid is added to promote the sugar residues to be converted to the forms which can be absorbed by the crops to be absorbed by the crops, thus increasing the content of sugar in the crops and enabling the nutrients of the crops to be more comprehensive; the method for preparing the organic fertilizer containing sugar residues and trace elements is simple and is convenient to operate; and the forming effect during granulation is good by grinding and fermenting the added sugar residues.

The invention discloses a high nutrient content organic fertilizer containing biological germs and a preparation method thereof. The high nutrient content organic fertilizer containing biological germs, provided by the invention, comprises the following components in parts by weight: 19 parts of bean meal, 10 parts of hide powder, 23 parts of cottonseed meal, 14 parts of meshroom dreg, 9 parts of bone paste, 8 parts of bentonite and 5 parts of biological germ, the components are weighted, mixed and stirred uniformly; and then the mixture is fermented, the fermentation temperature is 70 degrees, the fermentation time is 8 days, and the pH value in fermentation is controlled between 6 to 7; and the mixture after fermentation can be pelleted, dried and filtered. The nutrient content such as N, P and K elements in the high nutrient content organic fertilizer provided by the invention is higher than 8 percent, so as to enable the function effect of the organic fertilizer to be fast in crop growth promotion; angel yeast is added to ferment when the high nutrient content organic fertilizer is prepared, and the fermentation effect is obvious when the angel yeast is used with the germ dregs and sugar dregs, so as to promote the releasing of the organic matter in the organic fertilizer, and the fermentation time is short and the cost is low.

The invention discloses an organic fertilizer containing medical dregs and microelements and a preparation method thereof. The organic fertilizer containing medical dregs and microelements, provided by the invention, comprises the following components in parts by weight: 15 parts of Chinese prickly meal, 10 parts of bean meal, 15 parts of plant ash, 20 parts of medicine residue, 15 parts of corm pulp, 10 parts of bone meal, 10 parts of bentonite, 4.5 parts of biological germ and 0.5 part of micronutrients fertilizer; and the biological germ is either any one of or the mixture of more than one of bacillus megatherium, rhizobium japonicum, basil rhizobia and EM flora. According to the organic fertilizer provided by the invention, the Chinese prickly meal and the medicine residue are added in the active ingredients, the Chinese prickly meal has an insecticidal property, and the medicine dregs has medical value, so that the synergistic effect of the two can reduce crop diseases and insect pests, reduce the usage of pesticide, and preserve the ecological environment. After using the organic fertilizer containing medical dregs and microelements, the applicant found that the production of sweet potato increases more than 24 percent a year, the nutrient substance in the organic fertilizer is provided to the plants, the production cost is low, and the method can be widely used in agricultural field.

A selenium-enriched corn planting method that improves quality and efficiency and reduces heavy metal pollution, which relates to the field of agriculture. The present invention aims to solve the problem of heavy metal pollution, especially cadmium pollution, in selenium-rich soil in the Hailun area. The present invention uses an extract containing cadmium to treat After seedlings, low concentration of selenium was used to reduce the effects of heavy metals, especially cadmium, on maize growth. In addition, through the use of vermicompost to increase fertility, improve the stress resistance of corn, and improve its quality and yield. After the scheme of the present invention is used for the unique selenium-rich land in Hailun, Heilongjiang Province, it can significantly increase the stress resistance of corn crops, especially the stress resistance to heavy metal pollution, the most important is the stress resistance of cadmium. It can also improve the quality and yield of crops. The invention is applied to the field of corn planting.

The invention relates to the field of animal protein raw material processing, in particular to a compound enzyme and its application in animal protein production. Through the synergistic effect of neutral protease, NSP enzyme, papain and disodium dihydrogen pyrophosphate, the compound enzyme can efficiently enzymolyze animal protein raw materials, increase the content of easily digestible and absorbable proteins such as small peptides and amino acids, and improve the quality of animal protein. Palatability, improve protein utilization.

The invention relates to the technical field of biological control, in particular to a compound microbial agent as well as a preparation method and application thereof. The compound microbial agent comprises a microbial agent and a protective agent, wherein the microbial agent comprises paenibacillus polymyxa, bacillus amyloliquefaciens, bifidobacterium bifidum, paecilomyces fumosoroseus, beauveria bassiana and lactobacillus helveticus; the protective agent comprises corn flour, brown sugar, ammonium sulfate, monopotassium phosphate and magnesium sulfate heptahydrate; the compound microbial agent disclosed by the invention can improve the soil microenvironment, and can effectively prevent and treat wildfire diseases in the tobacco field production process.

The invention provides a biological bacterial fertilizer and a method for promoting the growth of rhododendron alpine tissue culture seedlings, belonging to the technical field of biological bacterial fertilizer. The biological bacterial fertilizer for promoting the growth of rhododendron alpine tissue culture seedlings provided by the invention comprises Saccharomyces cerevisiae, Trichoderma longibranchus, Paecilomyces lilacinus, Bacillus polymyxa and squash. The present invention prepares the biological bacterial fertilizer that can significantly improve the survival rate and seedling strengthening effect of Rhododendron alpine tissue culture seedlings after transplanting through the reasonable compounding of microbial agents and the screening of suitable nutrients, and promotes the development of Rhododendron alpine in China. High-quality development of the industry.

The invention discloses a special nutrient solution for apple trees. The nutrient solution is prepared from components in parts by weight as follows: 10-15 parts of melia azedarach fruit, 25-35 parts of ethyl alcohol, 13-28 parts of rape seed cake, 9-12 parts of sodium hydroxide, 30-50 parts of acetic acid, 5-11 parts of konjac stem, 25-35 parts of copper sulfate, 20-25 parts of zinc sulfate, 12-19 parts of monopotassium phosphate, 14-23 parts of citric acid, 8-12 parts of urea, 8-13 parts of sodium dodecyl sulfate, 2-6 parts of brown sugar, 6-12 parts of zeatin and 30-60 parts of deionized water. The invention further discloses a preparation method and an application of the nutrient solution. Composition of the nutrient solution contains nitrogen, phosphorus and potassium in a certain ratio, so that the nutrient solution is suitable for a seedling stage and an adult stage of the apple trees and is applied to the apple trees in different growth stages with different application methods, and the optimal absorption effect can be realized. The composition of the nutrient solution does not have antagonism with composition of commonly used pesticides, so that the nutrient solution does not have too high requirement for environment and the like during use and is more convenient to use.