170 results about "Soil enzyme" patented technology

The invention discloses a whitish soil improvement method. The method includes the steps that (1) rice straw returning or wheat straw returning is conducted on carclazyte soil; (2) after straw returning is conducted, organic fertilizer is applied in a combined mode, and nitrogenous fertilizer is added to adjust the C / N ratio of straw to range from 20:1 to 30:1; (3) deep tillage is conducted on the soil to enable silt on the surface of the soil and heavy loess at the bottom to be blended fully; (4) after deep tillage is conducted on the soil, irrigation field retting is conducted; (5) after deep tillage and field retting are conducted on the soil, rice base fertilizer is applied; (6) the steps are repeated many times, and the depth of deep tillage is increased year by year every time deep tillage is conducted. According to the method, the rice per unit yield and soil fertility are improved, the soil structure is improved, the cation exchange capacity of the soil is improved, and the community structure of soil microorganisms and the soil enzyme activity are affected.

The present invention discloses a carbon base long-acting nitrogen fertilizer biochemistry inhibitor preparation method, which concretely comprises: preparing a nitrogen fertilizer biochemistry inhibitor such as a urease inhibitor or a nitrification inhibitor into an aqueous solution with a certain concentration, adding the obtained aqueous solution to a carbonaceous absorption agent, uniformly mixing, drying, grinding and screening with a sieve, wherein the used carbonaceous absorption agent has wide sources, and can be active carbon, biological carbon or black carbon, the inhibitor content in the resulting product is 0.4-33.3%, and the obtained product can be directly applied into the soil in the powder form during a nitrogen-containing fertilizer applying process or before or after applying of a nitrogen-containing fertilizer, and can further be mixed into a nitrogen-containing fertilizer after granulation or be adopted as a coating layer to be coated on the outer portion of a particulate nitrogen-containing fertilizer. According to the present invention, the solid-liquid mixing absorption method is applied to ensure absorb the inhibitor to the surface and the internal of the carbonaceous material to the maximal degree, such that a slow-release effect is excellent, and an inhibition effect on soil enzyme activity is long-lasting. In addition, the used carbonaceous material has the wide sources, the cost is low, and the carbon base long-acting nitrogen fertilizer biochemistry inhibitor can be adopted as a carbon fixation manner to increase soil carbon sequestration and improve a soil environment, and is a veritable green fertilizer additive.

The invention relates to a sowing technique, in particular to a stub-leaving no-tillage mechanical sowing cultivation method. The stub-leaving no-tillage mechanical spring-manure wheat sowing cultivation method comprises the steps of harvesting wheat, irrigating in winter, performing medical treatment on selected spring-manure wheat seeds, mixing the selected spring-manure wheat seeds with chemical fertilizer, performing stub-leaving no-tillage mechanical spring-manure wheat sowing, performing field management of stub-leaving no-tillage spring-manure wheat, and performing stub-leaving no-tillage spring-manure wheat harvesting and the like. The method has the advantages of increasing moisture in soil, reducing wind corrosion and waster and soil loss, regulating ground temperature, increasing nutrients in soil, improving activity of soil enzymes and the like.

The invention relates to a manufacture method of organic ground surface mulch for garden trees. The method comprises the following steps: collecting and drying branches or leaves of polled landscape trees and turfgrass clippings of polled turfgrass into dried materials, and crushing the dried materials into crushed materials; laying the crushed materials, modified lava particles, a coarse fiber decomposer and water into a mixing tank, and stirring for 5 to 6h, so as to obtain the organic ground surface mulch for garden trees. The organic ground surface mulch can improve soil around the garden trees, ensure that the soil nutrient is increased, the soil water content is increased and the salt and alkali condition is alleviated, enhance the microbial activity, improve the soil enzyme activity, and ensure that the soil fertility is high and can be kept for greater than one year, and is good in implementation effect and high in application value.

The invention relates to phytoremediation technology for organic poison polluted soil, in particular to a method for restoring petroleum hydrocarbon polluted soil by utilizing a plant, namely balsamine. The balsamine is annual herbal flower, and the biomass is as high as 40 to 100 centimeters; petroleum hydrocarbon pollutant in the soil is degraded through the growth process, the development process, the blooming process and the fructification process of plant, namely the whole growth phase of the plant due to the action of root exudates and rhizosphere microorganisms of the plant and soil enzyme, and the petroleum hydrocarbon pollutant which pollutes the soil can be continuously degraded until the pollutant content of the soil meets the environmental safety standard by repeated planting of the plant and repeated implementation of the processes. The method has the advantages of small damage to the environment, no need of treatment of the scene, no damage of the physicochemical properties of the soil, no secondary pollution, low cost, suitability for large-scale operation, pollution treatment and simultaneous environment beautification and so on.

This invention relates to soil bio-activation agent. It is consisted by allantoin and hunic acid, the weight part is 0.1-0.3 and 0.7-0.9. This invention provides a high active, high effective and no public nuisance green ecological agricultural product. Soil microorganism can be activated by using this invention to maintain and improve microorganism biological activity, improve soil enzyme activation, promote organic matter transformation. If it is used with fungi pachy, it can increase the pachy activation energy and nitrogen-fixing capacity to hard soluble phosphor and kaliumin soil, improve soil fertility, and improve plant nutritional condition to improve crop yield and quality.

The invention discloses a biological bacterial fertilizer special for tea trees and a preparation method and application thereof. The biological bacterial fertilizer special for tea trees is preparedfrom raw materials including 10 parts of bacillus cereus fungicide, 5 parts of bacillus subtilis fungicide, 5 parts of trichoderma fungicide, 30 parts of organic fertilizer, 12 parts of nitrogen fertilizer, 8 parts of phosphate fertilizer, 12 parts of potassium fertilizer, 5 parts of trace element fertilizer, 2 parts of plant growth promoting substance, 6 parts of humic acid, and 5 parts of bentonite by the steps of stirring and mixing, screening, drying and packaging. The biological bacterial fertilizer is applied in the aspects of increasing the yield of tea trees, improving the quality of the tea trees, inducing to enhance the disease resistance of the tea trees, and improving the microbe quantity of the root system of the tea trees and the soil enzyme activity. The biological bacterialfertilizer has the advantages of being remarkable in effect, environmentally friendly, high in fertilizer utilization rate, and capable of improving soil, preventing and controlling diseases and increasing yield and quality, and is low in cost and easy to popularize.

The invention relates to a slow-release type blended fertilizer. The blended fertilizer is prepared from, by weight, 5 -25 parts of monoammonium phosphate, 7-35 parts of potassium sulfate, 20-70 partsof coated urea, 6-20 parts of borax, 1-10 parts of amino acid chelated zinc, 2-19 parts of humic acid, 10-20 parts of an anti-blocking agent, 2-18 parts of attapulgite, 3-11 parts of straw, 2-15 parts of soybean meal, 2-12 parts of distillers' grains, 3-17 parts of a biological agent and 2-14 parts of a plant growth regulator. The fertilizer can effectively improve the physical and chemical properties of soil, adjust the pH value of the soil, promote the activity of soil microorganisms, increase the activity of soil enzymes, loosen the soil, effectively prevent soil hardening, desertificationand environmental pollution caused by excessive inorganic fertilizers applied to the soil, and improve the yield and quality of crops.

The invention discloses a desert oligotrophic bacterium DOB150 and application thereof to sand stabilization. Through isolation, screening, selective breeding and acclimatization in Gurbantunggut Desert of Junggar Basin of Xinjiang, the oligotrophic bacterium Bacillus sp. DOB150 CGMCC NO.11925 is obtained as a novel bacterium. The desert oligotrophic bacterium DOB150 and application thereof to sand stabilization have the advantages that after being sprayed into the desert, a bacterium agent prepared from the isolated oligotrophic bacterium DOB150 can play a role in sand stabilization, sand grain adhesion and quicksand activation control and provides good moisture conditions for germination of some plant seeds slow in germination to enable plants incapable of germinating due to insufficient moisture of soil to grow and develop, the number of major microorganisms in the soil can be increased effectively, major nutrient content of the soil can be increased, partial soil enzyme activity can be enhanced, algal crust can be recovered obviously, and accordingly the desert oligotrophic bacterium DOB150 is widely applicable.

The invention discloses a non-metallic mineral long-acting nitrogenous fertilizer nitrification inhibitor and a preparation method thereof. The preparation method is characterized by comprising the following steps: introducing 1-50 parts of the nitrification inhibitor into 100 parts of 25-100 DEG C water so as to make a solution; adding 25-75 parts of nitrification inhibitor solution into every 100 parts of non-metallic mineral powder; and sufficiently stirring and drying so as to obtain the nitrification inhibitor; or a binder accounting for 1-5% of the total weight of the non-metallic mineral and the nitrification inhibitor solution is added, sufficiently stirred, palletized and dried; or a mixture of the non-metallic mineral and the nitrification inhibitor solution or a screened powder product covers the outer surface of the fertilizer. The product is prepared by utilizing the excellent abruption property of the non-metallic mineral, the process is simple, the cost is low, the slow-release effect is better, and the inhibition effect on the activity of soil enzyme is longer; and meanwhile the non-metallic mineral can further provide various beneficial elements to the soil, so that the physicochemical properties of the soil are improved.

The invention provides a bacillus aryabhattai JNJ266 strain and an application thereof, and belongs to the technical field of microorganisms. The strain is preserved in China General Microbiological Culture Collection Center on August 5, 2020, and the biological preservation number of the strain is CGMCC No. 20483. The strain has the functions of dissolving phosphorus and potassium, producing protease, IAA, siderophore and the like, under the potting condition, root irrigation treatment is carried out on the bacillus asterii fermentation liquor after walnut seedlings are fixed, after the JNJ266 fermentation liquor is applied, the diameter, the plant height, the branch number, the wet weight and the dry weight of the walnut are increased, and the chlorophyll content, the walnut leaf enzymeactivity and the walnut soil enzyme activity are also improved; and under the drought condition, the diameter, the plant height, the branch number, the wet weight and the dry weight of the walnuts treated with JNJ266 fermentation broth increased, and the chlorophyll content, the walnut leaves enzyme activity and the walnut soil enzyme activity are also increased. The bacillus aryabhattai screenedhas good walnut growth-promoting and drought-resisting effects.

The invention discloses bio-organic fertilizer. The bio-organic fertilizer is characterized by being prepared from, by weight, 60 parts of modified plant straw powder, 10 parts of lees of wine, 5 parts of lecithin powder, 10 parts of cottonseed meal, 5 parts of moss, 5 parts of residues of tea, 5 parts of calcium peroxide, 1.5 parts of benzoic acid, 1 part of brassin, 1.5 parts of saponin, 0.5 part of naphthylacetic acid, 2 parts of raw starch-digesting glucoamylase, 0.5 part of absolute ethyl alcohol, 3 parts of molasses fermentation liquor, 5 parts of sticky rice bran, 0.1 part of potassium sorbate, 1.5 parts of bactericide and 2 parts of selenium yeast. By means of the bio-organic fertilizer prepared through the method, formation of the soil granular structure can be promoted, the activity of soil microorganisms and soil enzymes can be improved, the content of organic matter can be increased, and the fertilizer and water retaining capacity can be improved.

The invention discloses a preparation method, a product and application of a soil remediating active organic fertilizer. The preparation method provided by the invention comprises the following steps: hydrolyzing caked dregs by using an enzyme to obtain the caked dregs containing active free amido acids, and then carrying out mixed fermentation on hydrilla soil, yellow bran, shell powder, bone meal, shrimp and crab shell meal by use of ferment bacteria to obtain organic fermented materials; finally, blending the caked dregs containing the active free amido acids with the organic fermented materials and adding a soil enzyme, thereby obtaining the active organic fertilizer for soil remediation which is up to the national microbial fertilizer standards. The soil remediating active organic fertilizer provided by the invention is capable of improving the fertilizer utilization rate and the percent conversion of crop nutrients; according to practices, the utilization rate of the fertilizer can be increased by 1.5-1.8 times, and therefore, the effects of over production, quality improvement, yield increase and good harvest can be achieved. Importantly, the product of the preparation method provided by the invention is capable of effectively improving the soil hardening condition, recovering the gas-solid-liquid ratio of the arable soil, forming the granular structure, improving the water retention capacity, proliferating the beneficial bacteria and activating soil.

The invention discloses a special biological bacterial fertilizer for strawberries as well as a preparation method and application thereof. The preparation method comprises the steps of with 8 parts of a bacillus cereus bacterial agent, 5 parts of a bacillus subtilis bacterial agent, 5 parts of a trichoderma bacterial agent, 30 parts of an organic fertilizer, 12 parts of a nitrogen fertilizer, 12parts of a nitrogen fertilizer, 12 parts of a phosphate fertilizer, 12 parts of a potassium fertilizer, 5 parts of a microelement fertilizer, 2 parts of plant growth promoting substances, 4 parts of humic acid and 5 parts of bentonite in parts by weight as the raw materials, stirring, mixing, sieving, drying, and carrying out packaging, so as to obtain the special biological bacterial fertilizer for the strawberries. The special biological bacterial fertilizer is applied to the aspects of increasing the yield of the strawberries, improving the quality of the strawberries, improving the storageproperty of the strawberries, inducing and improving the disease resistance of the strawberries, promoting the growth of low-age and forested strawberry plants, increasing the number of root microorganisms of the strawberries and improving the soil enzyme activity. The special biological bacterial fertilizer has the advantages of remarkable effect, environmental friendliness, no pollution and high utilization rate of fertilizer, the soil is improved, the diseases are prevented and controlled, the yield is increased, the quality is improved, the cost is low, and the popularization is easy.

The invention relates to a method for preparing an organic fertilizer. Parts of agricultural organic wastes are used as a composting raw material, the remaining agricultural organic wastes are pyrolyzed at a low temperature to prepare charcoal and pyroligneous liquor, and the charcoal, the pyroligneous liquor and the composting raw material are fermented together to prepare the charcoal-pyroligneous liquor organic fertilizer. The charcoal-pyroligneous liquor organic fertilizer prepared in the invention can effectively improve the soil structure and improve the water and nutrient retention ability of soil while greatly increasing the organic matter content of the soil. The addition of the charcoal, in the production of the organic fertilizer is helpful for maintaining the composting temperature and promoting the growth of microorganisms, so the composting cycle is shortened; and more importantly, the charcoal can effectively absorb ammonia and hydrogen sulfide to reduce nitrogen and sulfur loss in the composting process. The addition of the pyroligneous liquor in the production process of the organic fertilizer improves the species diversity and the functional diversity of the microorganisms in the soil, so the increase of the activities of related enzymes used by mineral elements is benefited, and the activity of soil enzymes participating in soil carbon mineralization is reduced.

The invention relates to the technical field of fertilizer, in particular to fertilizer for repairing, preventing and controlling soil degradation and a preparing method thereof. The fertilizer comprises, 76-95% of active ingredients, 32.5-41.7% of nitrogen phosphorus potassium, 24.5-41% of organic matter, 11.75-19.3% of humic acid and 1-2% of amino acid. The fertilizer can supplement the effective organic matter, the humic acid and nutrient substances with water-soluble activity micro-molecules for soil, regulate the carbon and nitrogen ratio of the soil, activate a soil eco-system, regulate micro-ecological balance of the soil, and repair soil colloid, a soil enzyme system and a soil granular structure; meanwhile, water is stored, the fertilizer is preserved, soil acid-base is relieved and balanced, soil fertility is fostered, and soil degradation is prevented and controlled. The preparing method for the fertilizer for repairing, preventing and controlling soil degradation is easy to operate, saves manpower and material resources, and is high in manipulability, and beneficial for industrial production.

The invention relates to a high-fertility long-acting anti-verticillium-wilt biological bacterial fertilizer and a preparation method thereof. The biological bacterial fertilizer is formed by mixing bacterial fertilizer carrier grains and bacterium agent particles. Compared with that of a biological bacterial fertilizer which is commonly used in production, the fertilizer efficiency of the biological bacterial fertilizer is higher. By taking chilies, eggplants and tomatoes as fertilization objects and taking no fertilization, fertilization with an inorganic compound fertilizer and fertilization with an organic fertilizer, chicken manure, as contrasts, the biological bacterial fertilizer can be used for obviously promoting biological yields of the three vegetables, and the biomass of the three vegetables applied with the bacterial fertilizer is more than 50% higher than that of vegetables which are not applied with fertilizer, applied with the inorganic compound fertilizer and applied with the organic fertilizer, chicken manure. A test on eggplants inoculated with verticillium wilt shows that the bacterial fertilizer can be used for effectively inhibiting and relieving the diseases. A soil enzyme activity test shows that the enzyme activity of soil treated by the biological bacterial fertilizer is obviously higher than that of soil without fertilization and that of soil applied with the inorganic compound fertilizer or the organic fertilizer, chicken manure; nitrogen transformation, phosphorus transformation and organic matter transformation capabilities of soil can be facilitated well.

The invention discloses biological bacterial fertilizer specially used for grapes as well as a preparation method and application thereof. The biological bacterial fertilizer specially used for grapeare prepared by taking 10 parts of bacillus cereus inoculant, 5 parts of bacillus subtilis inoculant, 5 parts of trichoderma inoculant, 30 parts of organic fertilizer, 12 parts of nitrogen fertilizer,8 parts of phosphate fertilizer, 15 parts of potassium fertilizer, 5 parts of micro element fertilizer, 2 parts of a plant growth promoting substance, 4 parts of humic acid and 4 parts of bentonite as raw materials, stirring, mixing, screening, drying and packaging. The biological bacterial fertilizer is applied to the aspects of increase of yield of grapes, improvement of quality of the grapes,improvement of grape storage performance, induced enhancement of disease resistance of the grapes, promotion of growth of grape plants, increase of quantity of grape root microorganisms and improvement of soil enzyme activity and has the advantages that effect is obvious, no pollution is produced, fertilizer utilization rate is high, soil is improved, diseases are prevented and controlled and theyield and quality are improved, and the biological bacterial fertilizer is low in cost and easy to popularize.

The invention discloses special biological bacterium fertilizer for tobaccos as well as a preparation method and application thereof. The special biological bacterium fertilizer is prepared by taking10 parts of bacillus cereus bacterium agent, 3 parts of bacillus subtilis bacterium agent, 3 parts of trichoderma bacterium agent, 30 parts of organic fertilizer, 10 parts of nitrogen fertilizer, 10 parts of phosphorus fertilizer, 20 parts of potassium fertilizer, 5 parts of micro-fertilizer, 2 parts of a plant growth promoting substance, 4 parts of humic acid and 3 parts of bentonite as raw materials through stirring and mixing, sieving, drying and packaging. The special biological bacterium fertilizer is used for increasing the yield of the tobaccos, improving the quality of the tobaccos, promoting the growth of tobacco plants, inducing to enhance the disease resistance of the tobaccos, improving the quantity of microorganisms of root systems of the tobaccos and the activity of a soil enzyme and the like. The special biological bacterium fertilizer for the tobaccos has the advantages of remarkable effect, greenness and no pollution, high fertilizer utilization rate, soil improvement,plant disease prevention and control, improvement of yield and quality and the like, is low in cost and is easy to popularize.

The invention discloses a biomass charcoal based microbial agent for preventing and controlling watermelon fusarium wilt as well as a preparation method and application thereof. The microbial agent contains the following components: biomass charcoal, attapulgite, watermelon fusarium wilt biocontrol bacterium, calcium superphosphate or nitrohumic acid and sterile water. The preparation method for the microbial agent comprises the following steps: absorbing the biocontrol bacterium solution to the biomass charcoal, and then adding attapulgite and calcium superphosphate or nitrohumic acid and uniformly mixing, adding a defined amount of sterile water, blending, pelletizing and drying in a dry ventilating place under a natural condition, thereby acquiring the microbial agent. The viable count in the microbial agent is more than or equal to 50 hundred million cfu / g, the diameter of the grain is 3-6mm and pH value is 6.5-7.5. The microbial agent disclosed by the invention has the functions of improving chemical and physical properties of soil, promoting soil enzyme activity, promoting crop growth, increasing crop output, and the like, and has an excellent function for preventing and controlling the watermelon fusarium wilt.

This invention relates to soil bio-activation agent. It is consisted by allantoin and hunic acid, the weight part is 0.1-0.3 and 0.7-0.9. This invention provides a high active, high effective and no public nuisance green ecological agricultural product. Soil microorganism can be activated by using this invention to maintain and improve microorganism biological activity, improve soil enzyme activation, promote organic matter transformation. If it is used with fungi pachy, it can increase the pachy activation energy and nitrogen-fixing capacity to hard soluble phosphor and kaliumin soil, improve soil fertility, and improve plant nutritional condition to improve crop yield and quality.

The invention discloses a kind of organic phosphate-adding diammonium phosphate (base manure), which includes potassium chloride adaptable to the foodstuff and oil plants or lemery salt adaptable to the fruits and vegetable, diammonium phosphate, carbamide, weathered coal and bentonite. The former type has the following components by 1000kg: 455 of diammonium phosphate, 100 of carbamide, 167 of potassium chloride, 200 of weathered coal and 78 of bentonite, while the later typer has 410 of diammonium phosphate, 154 of carbamide, 200 of lemery salt, 180 of weathered coal and 56 of bentonite. The effective nutrients in the fertilizer can increase the activity of soil enzyme through humic acid, be transformed by the microbiota and is used in order. In return, the plants absorb the nitrogen, phosphorus, potassium, organic material, microelements and other nutrients.

The invention discloses a fertilizer special for relieving successive cropping obstacles of melons. The fertilizer is prepared from, by weight, 33-35 parts of activated sludge, 18-20 parts of pulverized fuel ash, 1.3-1.4 parts of Carbomer resin, 2-3 parts of potassium iodide, 6-7 parts of ammonium sulfate, 0.5-0.7 part of sodium citrate, 2-3 parts of EM microbial agent, 1.3-1.4 parts of sucrose enzyme preparation, 1.5-1.8 parts of selenomethionine, 37-43 parts of cyanobacteria, 32-35 parts of corn straws, 2-3 parts of anhydrous calcium chloride, a moderate amount of sodium carbonate, a moderate amount of 5% sulfuric acid solution and a moderate amount of water. A large amount of organic raw materials is added to the fertilizer for soil microbial structure imbalance caused by successive cropping of melons, a variety of beneficial bacteria are added for supplementing, the transition from 'bacterium type' to 'fungus type' of soil microbes is relieved, meanwhile beneficial bacterium groups are formed, the allelochemicals produced in successive cropping are degraded, the amount of soil enzymes is increased, the soil enzyme activity is improved, and further the economic benefits of continuous cropping are ensured.

The invention discloses special microbial fertilizer for Actinidia as well as a preparation method and an application of the special microbial fertilizer. The preparation method comprises steps as follows: 10 parts of a bacillus cereus inoculant, 5 parts of a bacillus subtilis inoculant, 5 parts of a trichoderma inoculant, 30 parts of organic fertilizer, 10 parts of nitrogen fertilizer, 8 parts ofphosphate fertilizer, 12 parts of potash fertilizer, 5 parts of trace fertilizer, 2 parts of plant growth promoting substances, 8 parts of humic acid and 5 parts of bentonite are taken as raw materials and are stirred, mixed, screened, dried and packaged, and the special microbial fertilizer for Actinidia is prepared. The special microbial fertilizer for Actinidia is applied to the aspects of increasing Actinidia yield, improving Actinidia quality and Actinidia storage performance, inducing enhancement of disease resistance of Actinidia, promoting growth of young and forestry Actinidia plants, increasing the number of microorganisms of an Actinidia root system and improving soil enzyme activity. The special microbial fertilizer for Actinidia has the advantages of being remarkable in effect, environmentally friendly, pollution-free and high in fertilizer utilization rate, improving soil, controlling diseases, increasing yield, improving quality and the like, is low in cost and facilitates popularization.

The invention belongs to the technical field of environmental biology and specifically relates to a fungus and a quick cultivation method of a fungus-blue algae composite lichen crust. In the invention, exophiala oligosperma Zh2 obtained by screening belongs to a high-yield exopolysaccharides strain; the exophiala oligosperma Zh2 and blue algae are composited and applied to biological soil crust for artificial sand fixing, so that on one hand, the exophiala oligosperma Zh2 can supply a carbon source for growth of the blue algae, on the other hand, grains of sand can be cemented to form a stable aggregate, therefore, the carbon and nitrogen contents of soil and the soil enzyme activity are improved, the physical and chemical properties of the soil are improved, and the nutritional level ofthe soil is remarkably promoted. The fungus and the blue algae are mixed and inoculated on quicksand, so that a stable composite crust can be quickly formed, and the cultivation period is short; meanwhile, the stability of an artificial crust is improved, and the process of succession from an algae crust to the lichen crust is added. The drought resistant ability of the fungus-blue algae compositelichen crust cultivated by adopting the method is obviously higher than that of a single algae crust, which indicates that the composite crust can better adapt to a harsh environment of a drought region.

The invention relates to the field of fertilizers and particularly relates to a composition, a preparation method and application thereof. After the composition is used for a fertilizer additive, notonly can the fertilizer utilization rate be increased effectively, but also the multiplication of beneficial microorganisms in soil can be activated, the enzyme activity of the soil can be improved, and the rhizosphere environment of crops can be improved; simultaneously, the plants can be induced to generate stress resistance, and the autoimmune system of the plants can be activated, so that theinfection of diseases can be resisted; the use of chemical pesticide is reduced, so that the problem of environmental pollution caused by the chemical pesticide is relieved.

The invention belongs to the technical field of agricultural biology, and discloses a microbial fertilizer suitable for saline alkali soil and a preparation method thereof.The microbial fertilizer suitable for the saline alkali soil is prepared from, by mass, 100 parts of bacillus velezensis BOB-2 bacterial powder, 20 parts of bacillus megaterium bacterial powder, 50 parts of mineral source humic acid powder, 10 parts of zinc sulfate heptahydrate, 10 parts of magnesium sulfate heptahydrate, and 10 parts of ferrous sulfate heptahydrate. The bacillus velezensis BOB-2 strain and the bacillus megaterium ACCC04314 are taken as effective bacteria, and the bacillus velezensis BOB-2 strain is separated from saline-alkali soil, has excellent characteristics or beneficial effects of resisting saline and alkaline, promoting crop growth, improving soil enzyme activity, antagonizing crop pathogenic bacteria and the like, and can be used for producing a microbial fertilizer to obtain a better application effect.

The invention discloses a winter peach high-ridge wide-trench ecological plantation method, and the method comprises the steps of ridging high to reduce stain and prevent flooding; covering a film on the ridge surface and slope to maintain moisture, keep warming, inhibit weeding, and raise soil enzyme's activity; making the trench wide for convenient draining and mechanized operation; interplanting herbage and raising poultry among the trenches to raise soil organic matter and reduce the usage of fertilizer; and keeping reasonable strain line-spacing, height and strain type can guarantee the leaves' photosynthesis. Besides, suitable density can promote winter peach's yield and quality, thereby saving labor and cost, and realizing ecological plantation. The synergism among illumination, soil, water and fertilizer in the peach garden is adjusted; fruit cracking caused by flooding and staining because of rainwater is reduced; herbage interplanting and poultry raising can increase soil organic matter and reduce the usage of fertilizer, thereby guaranteeing the winter peach's quality, and raising the peach garden's economic benefit. According to the plantation method, fertilizer, water management and plant protection in the winter peach garden can be wholly mechanized, so that the problems of lack of labor force and overhigh labor cost restricting the development of existing winter peach industry are solved.

The invention relates to the technical field of crop planting, and discloses a plant fermentation extract for improving rice planting soil and a preparation method of the plant fermentation extract. The plant fermentation extract for improving the rice planting soil is characterized by being prepared from cortex lycii radicis, tricholoma matsutake, pollen, radix sophorae flavescentis, dried lumbricus, hirudin, liquorice, cyrtomium fortunei, rhizoma phragmitis, pericarpium citri reticulatae, bamboo leaves, shredded coconut stuffing, hippophae rhamnoides, radix bupleuri, echinopsis tubiflora flower, salicornia europaea, fritillary bulb,radix glehniae, fructus aurantii, fructus evodiae, lentils, astragalus, amomum tsao-ko, selenium yeast, iron enriched yeast, rice germ, hemp seed and red ginseng, adopted as raw materials, are mixed according to a certain weight ratio, and the mixture is fermented, extracted and ground into powder. The raw materials are easy to obtain, the preparation process is simple, the soil structure is effectively improved, the number and activity of effective microorganisms in soil are increased, the soil enzyme content is increased, rice growth, yield increaseand quality improvement are facilitated. The method is suitable for wide application and popularization.