134results about How to "Increase biomass" patented technology

The invention relates to the field of sewage control, in particular to a nano zero-valent iron and zeolite molecular sieve synergistic composite material as well as a preparation method and application thereof. The nano zero-valent iron synergistic zeolite molecular sieve composite carrier (nZVI at Z-PU) is successfully prepared through an impregnation method, the preparation method is simple and controllable, and corresponding substances are introduced in the preparation process, so that the composite carrier has the structure and properties of being rough in surface, hydrophilic and carrying positive charges. Through modification, the ammonia nitrogen adsorption capacity of the nZVI-Z-PU is increased to 4-6.5 mg / g carrier, meanwhile, the initial adsorption capacity of the nZVI-Z-PU to microorganisms is remarkably improved and is 8.7 times that of a common polyurethane sponge carrier, and the initial adsorption capacity of the nZVI-Z-PU to the microorganisms is far superior to that of the common polyurethane sponge carrier. Therefore, after the zeolite molecular sieve and the nZVI are combined, the generation of NOB can be remarkably inhibited, and meanwhile, the activity of AnAOB is improved.

The invention provides a microbial agent for promoting growth of medicago sativa and application of the microbial agent, and relates to the technical field of agriculture, the microbial agent is prepared from sinorhizobium meliloti MCSWL1, sinorhizobium meliloti MCSD1 and nitrogen-fixing rhizobium sp. MCDC3 according to the mass ratio of 1: 1: 2, and the mass ratio of the sinorhizobium meliloti MCSWL1, the sinorhizobium meliloti MCSD1 to the nitrogen-fixing rhizobium sp. MCDC3 to the nitrogen-fixing rhizobium sp. MCDC3 to the nitrogen-fixing rhizobium sp. MCDC3 is 1: 1: 2. The microbial agent for promoting the growth of the medicago sativa, provided by the invention, can form a close symbiotic relationship with the medicago sativa (particularly grassland No.3), and provides sufficient nitrogen nutrition for the growth of the medicago sativa, so that the soil fertility is effectively improved, and the healthy growth of plants is promoted.

The invention discloses a method for reseeding and repairing alpine degraded grassland, which comprises the following steps: step 1, cutting: cutting native vegetation of a sample plot with the stubble height of 3-5cm; 2, sowing is conducted, before the rainy season comes, drilling is conducted on target grass seeds in a manual ditching mode, the target grass seeds are 2-3 grass seeds selected from each type of gramineae grass, leguminous grass and miscellaneous grass and mixed according to a certain proportion, and earthing is conducted after sowing is completed; 3, after-sowing management is conducted, agricultural measures such as impurity removal, fertilization and watering do not need to be conducted after sowing is completed, and grazing is forbidden for two years. According to the method, different functional types of plants and combinations suitable for the alpine region are screened out, the method suitable for reseeding restoration of the alpine degenerated grassland is formulated, the reseeding cost is controlled, meanwhile, plant communities high in yield, high in stability and diverse in function are built, and the problem of restoration of the degenerated grassland in the alpine region is solved.

The invention relates to the technical field of microorganisms, in particular to recombinant pichia pastoris for expressing plastic degrading enzyme LCCICCG as well as a construction method and application of the recombinant pichia pastoris. According to the invention, pichia pastoris is taken as a host cell, the coding gene lccICCG of the plastic degrading enzyme is heterologously expressed, and single-copy or multi-copy recombinant pichia pastoris is constructed. By optimizing culture conditions, the expression quantity and biomass of the plastic degrading enzyme protein are remarkably improved; by optimizing a fermentation strategy, high-density fermentation production of the LCCICCG protein in a 5L fermentation tank is realized, and a technical basis is provided for realizing large-scale industrial production of the protein. The improvements not only improve the production efficiency and reduce the cost of industrial production, but also provide powerful support for commercial application of the plastic depolymerases.

The invention discloses staphylococcus warneri AACE8 capable of promoting the growth of armillaria mellea and application of the staphylococcus warneri AACE8, and relates to the technical field of microorganisms. The invention also discloses an application of the staphylococcus warneri AACE8 in promoting the growth of armillaria mellea. The staphylococcus warneri AACE8 has the capacity of degrading cellulose and producing indole-3-acetic acid, can promote extension and branching of armillaria mellea rhizomorpha, and improves the growth speed, biomass and wood degradation speed of the armillaria mellea rhizomorpha.

The invention discloses a preparation method, a use method and application of a composite soil conditioner, and relates to the technical field of soil remediation. Compared with the prior art, the composite soil conditioner is prepared by uniformly mixing calcined oyster shells and limestone with biochar, organic activated carbon and mineral source humic acid; the composite soil conditioner is simply applied to arsenic-polluted soil, and can improve the soil structure, improve the composition of organic matters in the soil, increase the Eh value of crop rhizosphere soil and increase the biomass of crops, so that the soil quality is improved. The biological availability and toxicity of arsenic are remarkably reduced through multiple effects of soil in-situ passivation, iron-arsenic precipitation forming, iron film / titanium film forming and the like, the content of arsenic absorbed and accumulated at edible parts of stems and leaves of crops is reduced, arsenic is intercepted at unedible root parts, solid waste resource utilization is achieved, and the method is low in cost and environmentally friendly.

The invention belongs to the technical field of soil conservation, and particularly relates to a method for promoting plant growth and regulating soil nutrients. The invention discloses a method for regulating and controlling corn and tobacco growth and rhizosphere soil nutrients through combination of AMF and a planting mode. The method comprises the following steps: preparing an AMF-containing microbial inoculum by using M. mosseae (F. mosseae); cultivating flue-cured tobacco seedlings and corn seedlings; flue-cured tobacco seedlings and corn seedlings are jointly planted in an intercropping mode by utilizing an AMF-containing fungicide. The method can relieve continuous cropping obstacles of flue-cured tobaccos and promote growth of the flue-cured tobaccos and corn, and has a certain effect on soil conservation.

The invention belongs to the technical field of microorganisms, and particularly relates to saccharomyces cerevisiae with high protein yield and application of the saccharomyces cerevisiae. The saccharomyces cerevisiae with high protein yield is a saccharomyces cerevisiae HP-1 strain, the saccharomyces cerevisiae is preserved in the China Center for Type Culture Collection on August 21, 2024, and the preservation number of the saccharomyces cerevisiae is CCTCC NO: M 20241829. The fungicide prepared from the saccharomyces cerevisiae HP-1 strain through a fermentation method has the characteristics of high biomass, high protein and low RNA (Ribonucleic Acid). The Saccharomyces cerevisiae HP-1 strain and the fermented product, the yeast milk, the microbial inoculum and the extract prepared from the strain provided by the invention can be applied to the fields of feeds, foods, health-care products or seasonings.

The invention discloses an application of a low phosphorus stress resistant gene GmLNG5 of a plant. The research on the soybean GmLNG5 gene shows that the GmLNG5 positively regulates the soybean root growth and phosphorus efficiency, is mainly expressed in the soybean root, and enhances the expression under the stress of low phosphorus; the GmLNG5 regulates and controls the growth of the soybean root system by mediating the longitudinal extension of root tip cells, the overexpression of the GmLNG5 gene increases the cell lengths of the extension region and the mature region of the soybean in-vitro hair root tip, the biomass of the in-vitro hair root and the phosphorus content, the plant growth is promoted under low phosphorus stress, and the GmLNG5 gene can be used for cultivating low-phosphorus-resistant plant varieties. The GmLNG5 gene provided by the invention plays an important role in promoting soybean root growth and improving soybean phosphorus efficiency.

The invention relates to the technical field of microorganisms, in particular to fusarium and application thereof in promoting blueberry growth. The fusarium is classified and named as Fusarium sp., the strain number of the fusarium is NX1, the fusarium is preserved in the China General Microbiological Culture Collection Center on June 26, 2024, and the preservation number of the fusarium is CGMCC No. 41384. The strain has the capability of obviously promoting the growth of blueberries, and can be cooperated with Alternaria alternata sp.CS9 to further promote the growth of blueberry seedlings, so that an ideal strain resource is provided for developing efficient biological fertilizers or microbial preparations.

The invention provides an improvement method for improving soil porosity of saline-alkali soil, which comprises the following steps: (1) uniformly spreading a saline-alkali soil conditioner on the surface of saline-alkali soil to be improved, and uniformly mixing the saline-alkali soil conditioner with the saline-alkali soil; (2) ploughing the saline-alkali soil to obtain a plough layer; (3) flattening the surface of the saline-alkali soil, and thoroughly watering the saline-alkali soil with water; after watering is conducted for 15-20 days, the saline-alkali soil is turned over again, and a planting layer is obtained; the soil conditioner in the step (1) is prepared from 20 to 30 parts of attapulgite-polyacrylamide, 10 to 30 parts of charcoal, 20 to 30 parts of humic acid and 10 to 20 parts of ardealite. Through the mass ratio of the attapulgite-polyacrylamide to the biochar to the humic acid, the obtained soil conditioner can better repair soil and can better maintain the granular structure of the soil, and the water retention and fertilizer retention effects are achieved.

The invention discloses a plant growth-promoting rhizobacteria and application thereof, and relates to the technical field of agricultural microorganisms. The strain is named as serratia sp. SYPP26, the strain is preserved in the Guangdong Microbial Culture Collection Center, the preservation number is GDMCC NO: 64911, and the preservation date is July 24, 2024, and the strain is named as serratia sp. SYPP26. The strain is named as serratia sp. SYPP26 and is preserved in the Guangdong Microbial Culture Collection Center, the preservation number is GDMCC NO: 64911. The strain is separated from the rhizosphere soil environment of the high-yield rubber tree, is high in environmental adaptability, keeps good growth consistency when the salt concentration is 1-7%, the temperature is 20-30 DEG C and the pH is 3.5-9.0, and can adapt to most of acid soil in the southern China; the strain has the capabilities of dissolving phosphorus, producing siderophores, producing indoleacetic acid, producing gibberellin, producing ammonia and the like, and experiments prove that the strain has the capability of improving the content of ammonium nitrogen and nitrate nitrogen in soil, and can improve the germination rate of rice seeds and remarkably promote plant growth and root development.

The invention discloses a slow-release bacterial fertilizer as well as a preparation method and application thereof, and relates to the technical field of biotechnology. Comprising the following steps: step 1, preparing a bacterial liquid of bacillus cereus, a bacterial liquid of lysinibacillus slender, a bacterial liquid of acinetobacter schiffei, a bacterial liquid of stenotrophomonas maltophilia, a bacterial liquid of sphingobacterium alcohovorans and a bacterial liquid of bacillus licheniformis into a mixed bacterial suspension according to a volume ratio of 1: (1-2): (1-2): (1-2): (1-2): (1-2); 2, mixing the mixed bacterium suspension with an embedding agent and a cross-linking agent to obtain a first mixed colloid; step 3, embedding the first mixed colloid into the second mixed layer to obtain first compound fertilizer particles; and step 4, embedding the first compound fertilizer particles into a fermented third mixed layer to obtain the slow-release bacterial fertilizer. The prepared slow-release bacterial fertilizer improves the remediation effect of organic phosphorus contaminated soil. The soil fertility is improved, and a good growth promoting effect on plants is achieved.

The invention provides an improvement method for tobacco field soil in a high-altitude cold area, and belongs to the technical field of tobacco field soil improvement. The improvement method provided by the invention comprises the following steps: (1) in the later period of tobacco leaf picking or after tobacco leaf harvesting and soil preparation, spreading leguminous green manure, and after 10-30 days, spreading cruciferous green manure; 2, 25-35 days before tobacco transplanting, green manure is turned over and returned to the field, and meanwhile biochar is applied; and (3) preparing soil and ridging, applying a special fertilizer for tobacco, transplanting the tobacco, and applying a microbial agent when the tobacco is transplanted. According to the improvement method provided by the invention, the green manure green-pressing biomass can be remarkably improved, the soil fertility is improved, the activity and function of soil microorganisms are improved, the yield and quality of tobacco leaves are improved, the sustainable development of tobacco leaf production is promoted, and remarkable social benefits and economic benefits are generated.

The invention discloses a phosphate-solubilizing bacterial agent for promoting plant phosphorus absorption as well as a preparation method and application of the phosphate-solubilizing bacterial agent. The phosphate-solubilizing bacterial agent provided by the invention has a remarkable phosphate-solubilizing function, can effectively promote the absorption of phosphorus by plants, solves the problem of low utilization rate of phosphorus in soil, effectively relieves growth stagnation and yield reduction caused by phosphorus deficiency of the plants, and remarkably improves the growth and development of the plants and increases the biomass of crops.

The invention relates to the technical field of plant cultivation, and particularly discloses a method for improving drought tolerance of plants, sericin protein liquid and application, and the method comprises the following steps: preparing the sericin protein liquid with the concentration of 0.1-0.5 g / L, and then spraying the sericin protein liquid on leaf surfaces of tomato plants. According to the method for improving the drought tolerance of the tomato plants, the survival rate, the biomass and the water content of the tomato plants in the drought stress environment are remarkably improved.

The invention discloses a lodging-resistant high-yield silicon fertilizer for naked oats and application of the silicon fertilizer, and relates to the technical field of silicon fertilizer application for oats. The invention relates to a lodging-resistant high-yield silicon fertilizer for naked oat. The application amount of effective silicon in the silicon fertilizer is 60-90kg / hm < 2 >; and the silicon fertilizer is analytically pure sodium silicate Na2SiO3. 5H2O. The invention also discloses a preparation method of the According to the lodging-resistant high-yield silicon fertilizer for avena nuda and the application of the silicon fertilizer, when the application amount of the silicon fertilizer is 60-90 kg / hm < 2 >, the lodging-resistant performance of the avena nuda can be remarkably improved, and the main effect is that the breaking resistance and the puncture strength of stalks are improved; the biomass and the yield of the naked oat are increased, which are mainly embodied in that the ear length is increased, the number of effective ears per unit area is increased, and the number of spikelet per plant, the number of grains per plant, the weight of grains per plant, the weight of thousand grains and the yield of grains are increased.

The invention provides a circulating biological filter based on packaged nitrifying bacteria and an operation method thereof.The circulating biological filter comprises a conical bottom area V1, a cylindrical reaction area V2 and a three-phase separation area V3, the bottom of the three-phase separation area V3 is communicated with the cylindrical reaction area V2, the bottom of the cylindrical reaction area V2 is communicated with the conical bottom area V1, and the conical bottom area V1 is communicated with the cylindrical reaction area V2. The three-phase separation area V3 is formed by a conical bottom inner cavity, the cylindrical reaction area V2 is formed by a reaction area inner cavity, and the conical bottom area V1 is formed by an overflow weir inner cavity. By optimizing the proportion of each part of the biological filter of the three-phase biological fluidized bed, the height-diameter ratio is reduced; and the flow guide cylinder and the flow guide cover are arranged, and air is utilized for pushing, so that an aerobic environment required by nitrifying bacteria can be ensured, the filler can be fully fluidized, the mass transfer effect is enhanced, and a good treatment effect on ammonia nitrogen pollutants in aquaculture tail water is achieved.

The application provides a method for inducing poly-podophylli rhizoma by using clump buds, comprising the following steps: S1, cutting stem segments from a podophylli rhizoma mother plant, soaking and cleaning to obtain explants; S2, disinfecting and cleaning the explants, inoculating into a clump bud induction medium to obtain podophylli rhizoma clump buds; S3, inoculating the clump buds into doubling liquid I, washing with a liquid clump bud induction medium after culture, and then transferring into doubling liquid II; S4, taking out the clump buds, cleaning, inoculating into a clump bud induction medium, and then inoculating into a bud proliferation medium; S5, waiting until 1-2 cm, screening out potential mutant strains through phenotypes, inoculating into the bud proliferation medium for subculture, and obtaining mutant plants; and S6, rooting culture of the mutant plants, and after root systems grow, planting and raising seedlings, and then poly-podophylli rhizoma plants are obtained. In the research, suitable concentration of colchicine is used for induction treatment twice, and through stage concentration switching and intermittent recovery strategies, the poly-ploid induction efficiency and explant survival are effectively considered.

The invention belongs to the technical field of biology, and relates to novel application of protein. The invention discloses an NPE1 protein and an application of a biological material for coding the NPE1 protein in regulating and controlling the catalytic efficiency of a metabolic enzyme. The overexpression of the new gene NPE1 of the soybean in the soybean can obviously enhance the catalytic efficiency of key metabolic enzymes GmPGK3a, GmPFK3a, GmGS1gamma1 and GmPGD2a in root nodules, so that the nitrogen fixation capacity of the soybean root nodules is enhanced, and the biomass and the final yield of overground parts of plants are further improved; the research of the inventor provides gene resources for nitrogen efficiency and molecular breeding of leguminous plants including soybeans, and provides a theoretical basis for molecular design of efficient nitrogen fixation soybean varieties, so that the development of environment-friendly green sustainable agriculture is promoted.

This invention belongs to the field of microbial technology, specifically relating to a strain of Acetobacter peroxide 672 and its applications. The Acetobacter peroxide 672 strain of this invention can enhance the antagonistic activity of Pichia pastoris against Rhizoctonia solani and also antagonizes Colloidal anthracnose, providing a multi-faceted solution for the biological control of crop diseases. Furthermore, the strain possesses the ability to produce indoleacetic acid, which can significantly promote the growth and development of grain crops such as wheat and corn, promote root expansion, enhance nutrient and water absorption, and thus effectively increase biomass. In addition, the strain can tolerate and degrade chemical pesticide components such as imidacloprid and carbendazim, alleviating soil pesticide residue pollution, and can effectively alleviate the inhibitory effects of low pH stress on crops, enhancing their stress resistance. Therefore, the Acetobacter peroxide 672 strain of this invention has significant application value in the biological control of crop diseases, crop growth promotion, soil pesticide residue remediation, and enhancing crop stress resistance.

The application of Aida gene in the tolerance of Chlamydomonas reinhardtii to copper ion stress, the nucleotide sequence of Aida gene is shown as SEQ ID No 1, the nucleotide sequence of its coding region is shown as SEQ ID No 2; the amino acid sequence of Aida protein encoded by Aida gene is shown as SEQ ID No 3. The Chlamydomonas reinhardtii cell strain obtained after the mutation of Aida gene in the present invention, through the determination of copper ion growth curve and adsorption efficiency, found that the mutant algae strain has faster growth rate, higher adsorption efficiency, and higher copper ion tolerance. The present invention provides convenience for the subsequent in-depth study of how Aida gene affects various oxidative stress reactions and metal transport, the expression and activity of metabolism-related proteins and related stress organelle functions in Chlamydomonas reinhardtii, and will later lay a solid foundation for the theoretical study of the heavy metal copper metabolism mechanism of Chlamydomonas reinhardtii and the application research of heavy metal bioremediation.

The invention discloses a microbial compound fermentation inoculant, a straw fermentation product and application of the straw fermentation product, and belongs to the technical field of agricultural microorganisms. The preparation method comprises the following steps: compounding bacillus subtilis, trichoderma harzianum and trichoderma longibrachiatum to form a microbial compound fermentation inoculant; when the microbial compound fermentation inoculant is used for fermenting ginger straws, the content of pyrogallic acid in a prepared straw fermentation product can be synergistically improved. The pyrogallic acid has an obvious antibacterial effect on fusarium moniliforme and fusarium laminatum which cause the apple continuous cropping obstacle; the growth of apple seedlings planted in continuous cropping soil can be effectively promoted. Therefore, the straw fermentation product disclosed by the invention can be used for preventing and treating apple continuous cropping obstacles, improving the biomass and root activity of apple seedlings under continuous cropping conditions and reducing the quantity of harmful fusarium in continuous cropping soil.

The invention discloses a polyamine carbon dot as well as a preparation method and application thereof in improvement of corn resistance, and belongs to the technical field of nano agricultural regulation and control. The polyamine carbon dots are subjected to hydrothermal synthesis, the size of the PEICDs is 2.3 nm, the quantum yield of the carbon dots can be increased, carbon dioxide in the atmosphere can be captured and converted into bicarbonate radicals, and it is verified through in-vitro experiments that the PEICDs can improve the carbon dioxide conversion product 3-phosphoglycerate in vitro; under the stress of drought and salt, the polyethyleneimine functionalized carbon dot solution is applied to the leaf surfaces of the crops, so that the growth and development of the crops can be improved by remarkably improving the net photosynthetic rate and the intercellular carbon dioxide concentration, and the adaptability of the crops to the environment is further improved.

The invention discloses a soil repair agent based on trace elements of coal gangue and a preparation method thereof, which belongs to the technical field of soil repair agents, and comprises the following steps: mixing dark fermentation strains with beneficial soil bacteria to obtain composite strains, coating the composite strains with starch, and then mixing with a bio-based foaming agent to obtain a composite foaming agent; mixing modified cellulose, a composite foaming agent, coal gangue powder and a gelling agent to obtain a hydrogel, and freeze-drying to obtain a loaded coal gangue particle aerogel; mixing the loaded coal gangue particle aerogel with trace elements, adding peat soil, lignite, vermiculite, and corn stalks for stirring, and drying and packaging to obtain a soil repair agent. The starch-encapsulated strains in the composite foaming agent have better stability and can be better propagated and developed in the soil; the encapsulated hydrogen-producing strains can better complete the dark fermentation reaction, increase the biohydrogen content in the soil, and restore soil fertility.

The present application provides a wool amino acid water-soluble fertilizer and a preparation method thereof, which are applied in the field of fertilizer technology. A safe and efficient keratin-degrading strain is found to be used in combination with keratinase, thereby achieving a wool fermentation method with high wool degradation efficiency, simple and easy fermentation operation (temperature, pH value and other parameters are not demanding, and the culture medium components are simple), scalable production, rich amino acid types and high yield, and the fermentation liquid can directly produce wool amino acid liquid water-soluble fertilizer, which is applied in agricultural production.

The invention discloses a splayed deluge tank and a laying method, the splayed deluge tank comprises a plurality of rain collecting pits, the rain collecting pits are connected through deluge tanks, and uniformly distributed intercepting nets are formed on a hillside; the rain collecting pits are arranged in a delta shape, two vertically adjacent rows of rain collecting pits are arranged in a staggered mode, and each rain collecting pit is connected with the rain collecting pit on the upper layer through a deluge groove and is in an inverted splayed shape. The laying method comprises the following steps: 1) land selection; (2) arranging a deluge tank; (3) arranging a rain collecting pit; and 4) forming a network. Compared with the prior art, the device has the advantages that the structure is simple, and implementation is convenient; rainwater can be effectively intercepted and collected, the soil moisture content of an afforestation area is improved, and sufficient moisture is provided for growth of nursery stocks; the survival rate of afforestation can be obviously improved by arranging the rain drenching grooves; meanwhile, the biomass is greatly promoted; the method is low in cost and suitable for artificial afforestation and vegetation recovery work in arid and semi-arid regions.

The invention relates to the field of microalgae culture, in particular to a microalgae domestication method and application of domesticated microalgae produced by the method in treatment of sulfur-containing gas. The domestication method of the microalgae comprises the following steps: inoculating the microalgae to a domestication culture medium, introducing sulfur-containing gas, and sequentially carrying out at least two stages of domestication culture to obtain the domesticated microalgae. By adopting the domestication method of the microalgae, provided by the invention, the sulfur resistance and the desulfurization efficiency can be remarkably improved.

The present invention relates to the technical field of biocontrol bacteria, and in particular to the application of Pseudomonas chlororaphis and its synthetic bacterial flora in the prevention and treatment of corn root rot. The Pseudomonas chlororaphis RS36 of the present invention has a deposit number of CCTCC NO: M 20241983, can effectively inhibit the growth of Fusarium graminearum and Fusarium pseudoverticillium, has a good control effect on corn root rot, and is accompanied by a good growth-promoting effect, providing a new biocontrol bacterium for the prevention and treatment of corn root rot. Further, the synthetic bacterial flora composed of the above-mentioned Pseudomonas chlororaphis RS36 and the spindle-shaped lysine Bacillus RS104 separated by the present invention has a better control effect on Fusarium graminearum and Fusarium pseudoverticillium than a single strain, with a relative control effect of 41.08% and 37.78%, and the growth-promoting effect is also better than that of a single strain, and the aboveground biomass of corn can be increased by 36.15% to 65.05% compared with the diseased plants.

The invention discloses a shallow buried aerated drip irrigation cultivation method for silage corn in slightly salinized farmland, and relates to the field of agricultural irrigation. The cultivation method of the present application aims at the problems of easy compaction of salinized farmland soil, low soil fertility, and low crop biomass in the Hetao irrigation area, and combines two irrigation technologies, shallow buried drip irrigation and aerated drip irrigation, to achieve high yield and high quality of silage corn in saline-alkali land. Shallow buried drip irrigation promotes water exchange between the surface layer and the middle and deep layers of the soil, ensuring water supply during the growth period, and aerated drip irrigation achieves effective oxygenation of irrigation water, improves soil alkaline phosphatase, urease, and catalase activities to promote soil urea decomposition, oxidation-reduction, and aeration improvement, which can significantly improve the biomass and quality of silage corn, improve farmers' planting intentions, enhance environmental friendliness, and greatly improve the mechanization level of silage corn production, easy operation, and reduce manual labor.