13results about How to "Improve microbial activity" patented technology

The invention relates to the technical field of soil improvement, and discloses a soil improvement fertilizer and application thereof in saline-alkali soil improvement, a preparation method of the soil improvement fertilizer comprises the following steps: mixing cow dung, chicken manure and straw, and carrying out anaerobic fermentation to obtain an organic fertilizer; mixing soybean, corn and seaweed, performing enzyme catalysis treatment, and extracting to obtain an amino acid liquid fertilizer; soaking brown algae in hot water, filtering and concentrating to obtain a seaweed extract; uniformly mixing silicate minerals, natural gypsum powder, the organic fertilizer, the amino acid liquid fertilizer and the seaweed extract, and sequentially drying and crushing to obtain the soil improvement fertilizer. According to the soil improvement fertilizer disclosed by the invention, various components such as the organic fertilizer, the amino acid liquid fertilizer, the seaweed extract, the silicate minerals and the gypsum powder are meticulously proportioned, so that the soil fertility can be remarkably improved, the soil structure is optimized, the growth of plant root systems is promoted, the stress resistance of plants is enhanced, and the sustainable utilization of soil is improved for a long time.

The invention belongs to the technical field of cutting seedling culture, and particularly relates to a hybrid hazel twig cutting seedling culture box which comprises a culture device, the culture device comprises a culture box body, an inner cavity is formed in the culture box body, the upper portion of the culture box body abuts against a top cover, and air holes are formed in the top cover in a penetrating mode. When the opposite sides of the four moving rods are attached to the outer ring face of a plant, the plant can be limited, mutual extrusion and collision of the plant can be avoided, and the relatively stable and ordered growth environment in the culture box is maintained; the distance between the inclined structure of the movable cylinder and the inclined structure of the piston cylinder can be determined by adjusting the position of the movable rod, and the movable rod is adjusted according to the growth condition of the plant, so that the self-adaptive spraying mechanism can adapt to the dosage of nutrient solution required by the plant in different growth stages, growth and nutrient absorption of the plant root system are facilitated, and the service life of the plant is prolonged. The virtuous circle of plant growth and soil environment is realized.

The invention discloses a preparation method of a biochar soil conditioner based on agricultural and forestry waste, and relates to the technical field of agricultural resource utilization and soil improvement, the method comprises the following steps: S1, selecting suitable raw materials based on physicochemical characteristics of specific agricultural and forestry waste, and performing pretreatment, the method comprises the following steps: S1, pretreating raw materials, S2, carrying out high-temperature pyrolysis on the pretreated raw materials to form biochar, S3, regulating and controlling the mixing ratio of the biochar to an additive based on target soil trace element and organic matter requirements, and S4, carrying out curing and grinding treatment on the mixed material to obtain a conditioner finished product. According to the preparation method of the biochar soil conditioner based on the agricultural and forestry wastes, the soil microbial activity is enhanced, the remediation and long-term stability of a soil ecosystem are promoted, the resource utilization of the wastes is realized, and the biochar soil conditioner has good ecological benefits and sustainability; and the problems of soil nutrient balance and fertility durability can be solved by optimizing and regulating the supplement proportion of trace elements and organic matters.

The application discloses a low-carbon solidified soil matrix and application. The matrix is made of dredged soil, biochar, slag and gypsum mixed in a specific ratio, and the preferred ratio (T1) is that the mass ratio of the dredged soil, the biochar, the slag and the gypsum is 60:15:10:15. By comparing the mechanical properties and the plant growth effects of different ratios (CK, T1, T2 and T3), it is found that the unconfined compressive strength of the T3 ratio (with the highest content of slag) is the highest (up to more than 3000kPa) after 60 days; however, the T1 ratio (with the highest content of biochar) exhibits the best ecological effect, including significantly promoting the growth of ryegrass, increasing the biomass, optimizing the carbon-nitrogen ratio of soil and enhancing the soil microbial activity, while maintaining sufficient engineering strength (about 1000kPa after 60 days) and excellent dry-wet cycle performance. The application realizes the balance between the mechanical and ecological restoration functions through the collaborative utilization of multi-source solid wastes, and provides an economic, environment-friendly and efficient solution for erosion areas.

The present application relates to grassland management technical field, particularly to a kind of desert steppe management method.The present application is by fertilization treatment, plant species group, sand barrier setting and four heavy technology coordination of comprehensive management, significantly improve vegetation coverage and species diversity;Sand barrier and management measures synergistic effect, effectively fixed sandy soil, keep soil moisture;The use of microbial fertilizer enhances soil microbial activity, promotes nutrient cycling.The present application provides a management method, which can select the optimal combination mode according to different site conditions.In practical application, the specific conditions of desert steppe can be selected according to the fertilization mode, plant combination, sand barrier type and management measures, and the corresponding management system is constructed.

The invention belongs to the technical field of fertilizers, and particularly relates to a zinc-type water-retaining organic fertilizer as well as a preparation method and application thereof. The zinc type water-retaining organic fertilizer is prepared from zinc sulfate, chicken and pig manure organic matters, biological carbon powder, fermented mushroom residues, a microbial fermentation agent, an amino acid zinc chelating agent, humic acid, urea-EM bacterial liquid and a water-retaining agent. Crop growth is promoted, and winter wheat yield and quality are improved.

The invention discloses an interplanting mode and method of a new Chinese fir variety and camellia oleifera, and belongs to the technical field of artificial afforestation. According to the method, a multi-layer cultivation and composite operation mode which can be in symbiotic complementation with oil-tea camellia is built by utilizing the variation characteristics of narrow and small crown and high and straight trunk of a new Chinese fir variety, namely, Hubei cunning-1 (cunninghamia lanceolata (cunninghamia lanceolata for short); the selected tree species are scientific and reasonable in structure, the wide crown breadth of the camellia oleifera and the narrow crown breadth of the cunninghamia lanceolata are mutually spaced, the high-trunk type of the cunninghamia lanceolata and the low-trunk type of the camellia oleifera are spatially staggered, the camellia oleifera can be shaded in the early stage, the crown layering in the later stage can keep sufficient illumination in the forest, and the two tree species form a symbiotic and complementary spatial structure relationship; meanwhile, the forest stand structure is more optimized, the young forest canopy density is improved, the bare forest land is reduced, the forest land environment is improved, the forest stand quality, the health condition, the operation benefits and the ecological landscape effect are effectively improved, one-land multi-purpose and one-land multi-harvest are achieved, efficient utilization of land resources is promoted, and the ecological, economic and social multifunctional benefits of artificial forests are brought into play; diversified and high-quality supply of forest products such as oil and wood is guaranteed, and the double purposes of sustainable operation of artificial forest land and high-quality development of the camellia oleifera industry are achieved.

This invention relates to the field of water pollution control technology and discloses a reservoir cyanobacteria treatment device for water pollution control. The device includes a floating platform, a temperature sensor, a pH sensor, an aeration pipe, a cleaning component, an air storage tank, and a triggering mechanism. The temperature and pH sensors are fixed to the floating platform and inserted downwards into the water. The aeration pipe is located below the floating platform, and its aeration intensity is dynamically adjusted according to the detected temperature and pH values. The air storage tank is connected to the aeration pipe via an inflation pipe, and its air storage rate is positively correlated with the aeration intensity. The triggering mechanism activates the cleaning component to clean the sensor surface when the air pressure inside the air storage tank reaches a set threshold. This invention, when water quality deteriorates and requires increased treatment efforts, simultaneously enhances the cleaning frequency of the sensors, ensuring the accuracy of monitoring data and improving the effectiveness of water pollution control and the reliability of system operation.

The application belongs to the technical field of microbial fertilizer, and particularly relates to an environment-friendly biological organic fertilizer and a preparation method thereof.The environment-friendly biological organic fertilizer comprises the following raw materials in parts by weight: 70-90 parts of fermented organic matter, 8-13 parts of microbial agent and 10-15 parts of coated suspension.The test results show that after the environment-friendly biological organic fertilizer is applied to soil, the growth of crops can be effectively promoted, the yield of crops is improved, the nutritional quality and edible safety of crop fruits are significantly improved, and the environment-friendly biological organic fertilizer has a wide application prospect.

The invention provides a persistent organic pollutant repairing agent as well as a preparation method and application of the persistent organic pollutant repairing agent. Nutrient substances required by normal growth of alcaligenes faecalis bacteria (Alcaligenes faecalis) and the Alcaligenes faecalis are packaged in a chitosan-calcium alginate core-shell cross-linked network structure together. According to the present invention, the alcaligenes faecalis is used as the substrate, the biochar is used as the carrier of the alcaligenes faecalis to fix the alcaligenes faecalis, and the calcium alginate is used to package the alcaligenes faecalis, such that the loss of the alcaligenes faecalis can be prevented, the microbial activity of the alcaligenes faecalis can be easily improved, and the mineralization ability of the alcaligenes faecalis on the POPs in the sediment can be improved;

The present invention relates to the field of microbial application technology, and in particular to a cadmium-resistant enterococcus Cd-2 and a culture method and application thereof. The strain collection number of the cadmium-resistant enterococcus Cd-2 is CGMCC No.25220. It can be used to promote the growth and development of ryegrass and the restoration of cadmium-contaminated soil. The cadmium-resistant enterococcus Cd-2 provided by the present invention can increase the activity of soil luciferin hydrolase, increase the microbial activity of the soil, increase the ascorbic acid content in ryegrass, and promote the antioxidant system of ryegrass to remove excessive reactive oxygen in ryegrass, thereby reducing the superoxide dismutase activity and glutathione content in ryegrass leaves, alleviating the oxidative stress reaction of ryegrass under adverse stress, promoting the growth of ryegrass in cadmium-contaminated soil, increasing the biomass of ryegrass, and increasing the absorption and enrichment of cadmium by ryegrass, which helps to promote the restoration of ryegrass to cadmium-contaminated soil.

The application provides a multifunctional high-efficiency carbon fixation fertilizer based on iron-based nanoparticle addition and a preparation method thereof, and belongs to the technical field of agricultural fertilizers.The application realizes the organic combination of organic fertilizer and inorganic fertilizer through the multi-element compounding of raw materials, can effectively promote the conversion of organic matter in the organic fertilizer into soil organic matter by adding iron-based nanoparticles such as nano-Fe3O4 or nano-zero-valent iron as the main representative under the condition of ensuring sufficient supply of crop nutrients, and significantly improves the soil carbon fixation capacity.The application does not reduce the efficacy of microbial agents and humic acid, can improve soil microbial activity, is environmentally friendly, can promote plant growth and development, and improves crop yield and quality.The multifunctional fertilizer prepared by the application has good fertilizer slow-release effect, long slow-release time, simple preparation method, low cost, and good popularization and application value.