21results about How to "Improve aggregate structure" patented technology

The present application belongs to the technical field of biochar, and particularly relates to a high-activity acidolysis biochar, which is prepared by the following steps: S1, pretreating agricultural and livestock waste; S2, acidolysing the pretreated biomass with dilute acid to obtain acidolysed biomass; S3, placing the acidolysed biomass into a high-temperature furnace to perform carbonization under an oxygen-free condition, and using a step-by-step heating mode to obtain preliminary biochar; and S4, mixing the preliminary biochar with a copolymer solution to prepare the high-activity acidolysis biochar. In the present application, the sodium lignosulfonate-polyglutamic acid copolymer forms a stable connection with the biochar through chemical bonding, the porous surface of the biochar is uniformly covered with the copolymer to form a nanoscale film, the composite has stronger complexing, chelating and ion exchange capacity for heavy metal ions and other cations in the soil, and is helpful to reduce toxic substances in the soil and improve the soil environment.

This invention discloses a method for producing crop cultivation substrate using sugarcane filter mud and sugarcane pith as main raw materials, comprising the following steps: (1) dissolving and diluting 4,5-dihydro-4,5-dioxo-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid in water to obtain a solution; (2) mixing sugarcane slurry, sugarcane pith, the 4,5-dihydro-4,5-dioxo-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylic acid solution, fermentation agent, and improver, adjusting the moisture content, and then composting and fermenting. The compost is turned over every few days and continuously composted and fermented for several days to obtain the crop cultivation substrate. The crop cultivation substrate produced by this invention is of excellent quality, allowing direct planting of plants without root burn. Therefore, this invention, using sugarcane filter mud and sugarcane pith as main raw materials to prepare and produce crop cultivation substrate, can effectively solve the problem of comprehensive utilization of sugarcane filter mud and improve product sales.

The invention relates to the technical field of fertilizer preparation, and particularly discloses a modified flotation phosphate tailing-based composite calcium magnesium phosphate fertilizer and a preparation method thereof, and the composite calcium magnesium phosphate fertilizer is prepared from modified flotation phosphate tailings, dolomite, limestone, an activator, a binder, a magnesium supplement conditioner and water. The flotation phosphate tailings are deeply modified by adopting a composite pretreatment liquid synergistic activation-gradient composite modification process, so that the effectiveness of nutrients such as phosphorus, calcium and magnesium in the flotation phosphate tailings and the environmental safety are remarkably improved; and through the raw material compounding design of calcium and magnesium source collaboration, gradient magnesium supplementation and conditioning synergism, quick-acting and long-acting collaborative supply of nutrients and a soil improvement function are realized. The flotation phosphate tailings are used as main raw materials, the technological process is simple, energy consumption is low, the prepared composite calcium magnesium phosphate fertilizer is balanced in nutrient, lasting in fertilizer efficiency and excellent in physical performance, and unification of solid waste recycling, product high value and production greenization is achieved.

The application discloses a kind of fulvic acid hydrogen peptide biological stimulant hormone fertilizer and preparation method thereof, belong to fertilizer technical field.Fertilizer is by 15~30 parts of fulvic acid, 5~12 parts of peony seed meal small molecule peptide, 20~35 parts of potassium dihydrogen phosphate and other components compound, water is made up to 100 parts, and auxiliary agent is emulsifier and chelating agent compound.Preparation first by dissolving fulvic acid, potassium phosphate in water and obtaining mixed solution, then adding small molecule peptide and auxiliary agent and stirring until the system is stable;Small molecule peptide is prepared by peony seed meal defatted powder crushing and enzymolysis, solves the problem of traditional fertilizer nutrient antagonism, unstable system, and the utilization of peony seed meal also improves resource utilization.Tomato, cucumber seedling test shows that it can significantly improve the growth index of crop root system and aboveground part, and the root-promoting and seedling-strengthening effect is better than that of similar fertilizer on the market, and the preparation process is simple, easy to industrialization, and has good agricultural application prospect.

This invention discloses a compound mineral-plant growth promoter for agricultural soil improvement, its preparation method, and its application. The growth promoter is composed of 30-40 parts tourmaline powder (325-1250 mesh), 20-30 parts hexagonal stone powder, and 30-50 parts maifanite powder, and is activated by high-gradient electromagnetic resonance with a magnetic field gradient >10000 Gauss. This growth promoter integrates physical improvement, chemical conditioning, and biological promotion functions. After application to the soil, it effectively improves soil aggregate structure, bidirectionally regulates pH, and passivates heavy metal ions such as lead, cadmium, and mercury. Simultaneously, it continuously releases negative ions and far-infrared rays and slowly releases trace elements such as silicon, calcium, magnesium, iron, zinc, selenium, and germanium. Field trials show that this growth promoter can restore the pH of acidified soil to neutral, increase crop yield by 10-20%, and reduce heavy metal residues by 40-60%. The raw materials are natural, the process is simple, and it is suitable for improving acidified, saline-alkali, and continuously cropping-impaired soils, and for enhancing crop quality and efficiency.

This invention provides a composite biosynergist, its preparation method, and its application. The composite biosynergist is composed of polyglutamic acid, humic acid, fucoidan oligosaccharide, and plant polyphenols. The synergistic effect of the active substances polyglutamic acid γ-PGA, humic acid HA, fucoidan oligosaccharide AOS, and plant polyphenol PP in the composite biosynergist is essentially manifested in microscopic-scale functional complementarity and mechanism closed-loop. It achieves four functional pathways: blocking salt toxicity through chelate channels, ensuring nutrient supply through complexation channels, enhancing nutrient absorption through root-promoting channels, and resisting stress damage through stress-resistant channels. Ultimately, it achieves the macroscopic effect of "improved soil physicochemical properties—enhanced root function—increased crop stress resistance and yield." Its core advantage lies in overcoming the functional limitations of single components and solving the industry pain points of "difficult-to-eliminate salt damage, easy nutrient loss, and unstable improvement effect" in saline-alkali land improvement through molecular-level synergistic effects.

This invention discloses a green and ecological planting method for daylilies, belonging to the field of agricultural planting technology. It addresses the technical problems of excessive reliance on chemical fertilizers and traditional mulching in current daylily cultivation, leading to soil ecological imbalance and low fertilizer utilization. The method includes: applying organic fertilizer made from cow and sheep manure and Asteraceae plant residues through aerobic composting, using a layered strip application method. First, fully decomposed organic fertilizer is applied as a base fertilizer layer in the planting furrow, followed by semi-decomposed organic fertilizer that has completed the main fermentation stage but not the later aging stage as a middle layer fertilizer; after land preparation and ridging, wood ash is spread on the ridge surface, followed by the laying of black fully biodegradable mulch film; finally, holes are made in the mulch film for daylily seedling planting. This method is mainly used for sustainable ecological planting of daylilies, improving soil fertility and structure, regulating soil pH and providing potassium, conserving moisture and suppressing weeds while avoiding residual pollution, thereby increasing daylily yield and quality while reducing environmental impact.

The application belongs to the technical field of soil conditioner preparation, and particularly relates to a method for producing soil conditioner by using high-phosphorus and high-magnesium floatation phosphorus tailings and an electric furnace method, wherein the method for producing soil conditioner by using high-phosphorus and high-magnesium floatation phosphorus tailings and the electric furnace method are developed, the powder ore can be made into pellets, and the utilization rate of the powder ore is improved; high-temperature melting is used to realize efficient activation of phosphorus, magnesium, calcium, silicon and other nutrient elements in the tailings, and a soil conditioner product capable of supplementing trace elements and improving soil aggregate structure is prepared, which not only can realize high-value utilization of the phosphorus tailings, effectively solve the soil acidification treatment demand, and has important practical significance for promoting resource utilization of the phosphorus tailings.

This invention relates to the field of waste utilization and organic fertilizer preparation technology, specifically to a high-carbon, low-nitrogen organic fertilizer prepared from bayberry branches and its preparation method. The organic fertilizer raw materials, by weight, include: 80-150 parts of crushed bayberry branches, 3-5 parts of a nitrogen source, 0.15-0.2 parts of a compound microbial agent, and 0.1-0.15 parts of auxiliary materials; the nitrogen source is one or a combination of manure and urea; the compound microbial agent is selected from one or a combination of lignin-degrading bacteria, nitrogen-fixing bacteria, cellulose-decomposing bacteria, and phosphorus- and potassium-solubilizing bacteria; the auxiliary material is a mixture of lime and gypsum. The carbon-to-nitrogen ratio of the mixed raw materials is 45-70:1. This invention enables the resource recycling of bayberry branches, producing high-quality, high-efficiency organic fertilizer that is well-suited to the growth characteristics of bayberry cultivation, which requires strict nitrogen control. It can effectively reduce the fruit drop rate, improve fruit flavor, and enhance sweetness and quality. Furthermore, this invention can sustainably improve soil fertility, maintain soil microbial community stability, and create a favorable environment for bayberry root growth.

This invention discloses a method for intercropping multiple forage grasses in citrus orchards. Addressing the drawbacks of traditional clean cultivation management and single-grass intercropping in citrus orchards, it employs a mixed sowing of four varieties: ryegrass, white clover, gnaphalium affine, and milkvetch. It includes standardized steps for orchard pretreatment, seed pretreatment, precision sowing, seedling management, growth period management, forage harvesting and returning to the field, and water and fertilizer regulation. Strict control of parameters at each stage is maintained, and a specific ratio of compound bio-fertilizer is selected to optimize the citrus water and fertilizer management scheme. This invention achieves year-round closed coverage of the citrus orchard through the complementary characteristics of the four forage grasses, improving the control rate of noxious weeds, reducing soil erosion, increasing soil organic matter content, and increasing citrus yield per acre. It combines the advantages of improving soil fertility, suppressing weeds and conserving moisture, improving quality and efficiency, and promoting a green and ecological environment, thus constructing a highly efficient and sustainable citrus ecological planting system.

The application provides a residual film recycling machine and belongs to the technical field of agricultural land preparation machinery. The machine comprises a main frame body, a first support frame is installed at the bottom of one side of the main frame body, spring bodies are installed at the top of both sides of the first support frame, and an electric telescopic rod is installed at the bottom of the first support frame. The soil loosening and stem collecting mechanism and the stem conveying and soil vibrating mechanism are arranged. The soil loosening and stem collecting mechanism can be used to quickly collect the stems and leaves of high-ridge crops such as strawberries after the fruits are harvested when the land is prepared in high-ridge fields. Meanwhile, the soil covering the residual film on both sides of the residual film is loosened, which provides convenience for the subsequent residual film recycling operation. The stem conveying and soil vibrating mechanism conveys the stems and leaves to the top of the device after the stems and leaves are collected, and the stems and leaves are effectively separated from the soil residues by means of the vibration generated by the movement of the device during the conveying process.

This invention discloses a method for phytoremediation of cadmium-arsenic co-contaminated soil based on crop straw enhancement, comprising the following steps: S1, soil tillage and preparation; S2, modification of straw powder; S3, application of straw; S4, planting of remediation plants; S5, harvesting of plants: after the remediation plants have grown to maturity, they are harvested from the soil as a whole, completing the soil remediation. The method for phytoremediation of cadmium-arsenic co-contaminated soil based on crop straw enhancement provided by this invention, by applying specific high doses of straw in two forms—modified straw powder and straw segments—to the surface and deep soil layers respectively, can rapidly activate soil microbial activity, directionally regulate the soil microbial community structure, and enhance the activation and absorption of cadmium by kenaf; simultaneously, the microbial community macroscopically passivates arsenic in the soil, enhancing the arsenic capture and accumulation capacity of kenaf roots, thereby significantly improving the remediation of the entire contaminated soil.

The application belongs to the technical field of soil improvement, and relates to an enhanced double-layer coated nanomineral soil conditioner and a preparation method thereof, and specifically comprises the following steps: mixing a nanomineral and a natural polymer material in a reaction system according to a mass ratio to form a core-shell material; and mixing and stirring the core-shell material and a polymer hydrogel, and obtaining the double-layer coated soil conditioner after drying. The conditioner is double-modified by the natural polymer and the hydrogel, effectively prevents agglomeration and inactivation of the nanomineral, and improves the dispersibility and long-term stability of the nanomineral in soil. Meanwhile, the porous and light structure of the conditioner can improve soil aggregate structure, water retention and porosity, promote microbial diversity, and realize synergistic effect of carbon sequestration and soil improvement. The raw materials of the application are environmentally friendly, the preparation process is mild and has strong universality, the application has a slow-release property, can significantly improve soil organic matter content and crop yield, and is suitable for agricultural soil improvement and carbon sequestration.

The invention relates to the technical field of soil remediation, in particular to a cultivated land soil remediation modifier based on waste biomass and a preparation method thereof.The cultivated land soil remediation modifier comprises, by mass, 5-10% of modified biomass, 5-10% of waste biomass and the balance water. 1-5% of a microbial agent; 1-5% of a gel material; 10 to 20% of bentonite; the balance of organic fertilizer; the preparation method comprises the following steps: S1, preparing the rigid matrix; s2, preparing flexible slurry; s3, preparing a cultivated land soil remediation modifier; according to the arable soil remediation modifier, the modified biomass and the bentonite are used as rigid matrixes, the gel material, the microbial agent and the organic fertilizer are used as flexible slurry, and the rigid matrixes are beneficial for breaking hardening and increasing pores; the flexible slurry improves the water retention capacity, can prevent particles from loosening and collapsing in soil when encountering water, and prolongs the action time of the cultivated land soil remediation modifier.

The invention discloses a saline-alkali soil crop yield increasing and soil improving method based on root zone oxygenation and microorganism regulation and control, and belongs to the technical field of agricultural soil improvement. According to the method, oxygen-enriched irrigation water with the dissolved oxygen concentration of 10-15 mg / L is continuously conveyed to a crop root zone through a drip irrigation system. According to the method, the oxygen content and the oxidation-reduction potential of the soil in the root zone are directly increased, the hypoxia stress of the root system is relieved, and the reproduction and activity of beneficial aerobic microorganisms such as actinomycetes can be directionally regulated and promoted. Through the synergistic effect of physical oxygenation-biological activation, the physical structure of soil is effectively improved, the activity of key enzymes such as soil catalase and sucrase is remarkably enhanced, and conversion and supply of nitrogen and phosphorus nutrients are optimized.

This invention provides a soil conditioner, its preparation method, and its application, belonging to the field of soil remediation technology. The soil conditioner, by mass percentage, comprises the following components: 95%–97% tobacco straw, 0.5%–2% *Ulva prolifera* polysaccharide, 0.1%–0.5% fucoidan oligosaccharide, and 1%–2.5% *Bacillus* powder. Through the synergistic effect of its components, the soil conditioner provided by this invention can effectively improve soil compaction in coastal saline soils, enrich soil microbial biodiversity, and simultaneously enhance the salt and drought resistance of plants growing in coastal saline soils, thereby promoting plant growth and development. Example results show that the soil conditioner provided by this invention can significantly increase the stem height and dry weight of plants in coastal saline soils, increase the number of lateral branches, and promote root elongation; simultaneously, the soil conditioner can effectively improve the microbial diversity in coastal saline soils.

The invention belongs to the technical field of seed treatment, and relates to a growth-promoting microbial active seed for repairing degenerated typical grassland and a preparation method thereof, and the preparation method comprises the following steps: preparing a carrier growth-promoting microbial agent from a specific strain; after grass seeds are disinfected and soaked, a carrier growth-promoting microbial agent is firmly loaded on the surfaces of the seeds by adopting a process of coating the seeds with a functional material layer by layer, and the growth-promoting microbial active seeds are prepared. The method effectively solves the problems of difficult seed field planting, low survival rate, weak seedling stress resistance, soil micro-ecology imbalance and the like in degenerated typical grassland reseeding. After the prepared growth-promoting microbial active seeds are sown, the emergence rate and the survival rate of forage grass can be remarkably increased, plant growth is promoted, rhizosphere soil improvement and ecological function restoration are synchronously achieved, and an efficient and reliable technical means is provided for rapid and sustainable restoration of degenerated typical grassland.

A corn and chive composite planting method belongs to the technical field of planting methods. The problems that water and soil loss is serious, biodiversity is reduced, and the income increasing pressure of farmers is large in existing corn single cropping are solved. According to the method, after previous crops are harvested, soil is subjected to deep ploughing or deep scarification in autumn, and fertilization is conducted; in spring of the second year, when the soil is thawed by 15-30 cm, pulp jacking and ridging are carried out, an allium fistulosum planting belt is arranged every 6-8 rows of corn planting belts, and the ratio of the corn planting belts to the allium fistulosum planting belt is (3.6-4.8 m): (1.2-1.5 m); planting the chive as soon as possible after the soil is completely unfrozen, ditching or digging holes in a chive planting belt, planting a cluster of division seedlings of the chive in each hole, treading after planting, and thoroughly watering for fixing roots; corn sowing is conducted 7-10 days after field planting of the allium fistulosum and when the ground temperature is stabilized to be 8 DEG C; and harvesting after the corn and the chive are mature. The method has the advantages of efficient utilization of resources, complementation of ecological functions, superposition of economic benefits and exertion of regional advantages.

The invention belongs to the technical field of biology, and particularly discloses a method for rapidly enriching caproic acid bacteria from white wine pit mud. The method comprises the following steps: adding normal saline into the white wine pit mud, and uniformly mixing to obtain pit mud suspension; performing constant-temperature water bath treatment on the pit mud suspension, inoculating and transferring the pit mud suspension into a saline bottle filled with a special ES culture medium, and performing constant-temperature culture; putting the cultured fermentation liquor into a test tube, carrying out constant-temperature water bath treatment, then inoculating into a saline bottle filled with a special ES culture medium, and carrying out constant-temperature culture; and repeating the steps, and subculturing to the third generation to the fourth generation to obtain the stable caproic acid-producing microbial flora. According to the method, the microbial community structure is optimized through heat treatment, specific guiding factors are combined, the ethanol utilization type caproic acid producing bacteria with Clostridium kluyveri as the main functional bacteria can be efficiently and directionally enriched, operation is easy and convenient, the period is short, the obtained flora is high in stability, the caproic acid yield is high, and the method is suitable for follow-up enlarged culture and large-scale intensified application in baijiu brewing.

This invention relates to the field of agricultural fertilizer technology, and discloses a functional compound fertilizer containing a soil conditioner and its preparation method. The fertilizer provided by this invention is composed of nitrogen, phosphorus, and potassium sources, a compound soil conditioner, microencapsulated functional microbial agents, chelated trace elements, and a slow-release coating agent. The preparation method includes raw material pretreatment, step-by-step mixing, granulation, and coating processes. The fertilizer provided by this invention addresses the shortcomings of existing banana-specific fertilizers, such as poor synergy between soil conditioning and nutrient distribution, mismatch between fertilizer release and growth cycle, and limited stress resistance. It can precisely improve acidic banana plantation soil, achieve dynamic nutrient release, improve fertilizer utilization, reduce the incidence of banana wilt disease, significantly increase yield and fruit quality, is suitable for various cultivation models, and possesses both practical and environmental value.

The invention discloses a high-efficiency nano green bioengineering water-soluble fertilizer, which relates to the field of fertilizers, and the active component of the high-efficiency nano green bioengineering water-soluble fertilizer is mainly composed of microbial metabolites and is obtained in a biological extraction mode; the water-soluble fertilizer comprises the following components in percentage by mass: 56.5% of organic matters and not less than 55.6% of total nutrients; the pH value of the water-soluble fertilizer is 8.7; the total nutrient content of the efficient nano green bioengineering water-soluble fertilizer is up to 55.6%, the organic matter content is up to 56.5%, meanwhile, the efficient nano green bioengineering water-soluble fertilizer is rich in multiple major elements, medium elements, trace elements and high-content amino acid, comprehensive and balanced nutrition can be provided for crops, and healthy growth of the crops is promoted.