101results about How to "High organic content" patented technology

The invention relates to the technical field of fertilizers, and discloses a fulvic acid fertilizer based on straw microbial fermentation and a preparation method and application thereof.The preparation method comprises the steps that straw is crushed and subjected to low-temperature plasma pretreatment, and pretreated straw is obtained; then, culturing the mixed microbial preparation to prepare a culture solution; then, the pretreated straw, a nutrient solution, a fermentation auxiliary agent and trichoderma are mixed for fermentation, and therefore a fermentation product is generated. The fermentation auxiliary agent is prepared from seaweed meal, bean flour, humus soil and molasses. And finally, carrying out solid-liquid separation on the fermentation product, and drying the separated solid part to finally obtain the fulvic acid fertilizer. Through combination of low-temperature plasma pretreatment and an innovative fermentation auxiliary agent, the preparation process of the fulvic acid fertilizer is optimized, the fertilizer efficiency of the fertilizer and the crop growth effect are improved, and meanwhile, the environment problem of agricultural waste is solved.

A comprehensive regulation and control method suitable for improvement of a coastal mud flat severe saline-alkaline dry land comprises the steps that firstly, the area of a field needing to be improved and the soil salinity are measured, the use amount of acid volcanic rock debris and the use amount of high-fiber fermented wood chips are calculated, the application amount of the acid volcanic rock debris is 6-10 cubic meters / mu, and the use amount of the high-fiber fermented wood chips is 85-150 kg / mu; secondly, when the soil salinity is gt; when 0.8%, canal irrigation tube row is combined for concealed tube salt elimination, and the salt is reduced to about 0.4%; thirdly, uniformly scattering acidic volcanic rock debris and high-fiber fermented sawdust into the severe saline-alkali soil, then ploughing the field with the ploughing depth of 5-20 cm, uniformly mixing the field with soil, and then planting and cultivating dry farming crops to complete comprehensive regulation and control.

The invention discloses a soil structure improver containing a compound microbial agent and a preparation method of the soil structure improver. The soil structure improver containing the compound microbial agent is prepared from the following raw materials in percentage by mass: humic acid, the compound microbial agent, vermiculite powder, a seaweed extract, diatomite, polydextrose, pectin, monopotassium phosphate, an organic zinc chelate, a medium trace element supplement and bentonite, wherein the humic acid, the compound microbial agent, the vermiculite powder, the seaweed extract, the diatomite, the polydextrose, the pectin, the monopotassium phosphate, the organic zinc chelate, the medium trace element supplement and the bentonite are matched. According to the soil structure improver disclosed by the invention, through the synergistic effect of the compound microbial agent, the proportion of a soil aggregate structure is effectively increased, the stability and the anti-scouring capability of soil are enhanced, the air permeability and the water-retaining property of the soil are improved, an ideal environment is created for the growth of crop roots, and the microbial agent can be colonized in the soil, so that the soil structure is improved. A good microbial community structure is formed, the biological diversity of the soil is enhanced, the self-repairing capability of the soil is improved, and a healthy soil ecological system can be constructed.

The invention discloses a ternary sand-fixing water-retaining seepage-proofing fertility-increasing vegetation restoration and reconstruction method, and relates to the technical field of operation methods of sand ecological restoration, and the method comprises the following steps: S1, laying a layer of seepage-proofing material on the surface layer of a target planting area to reduce water seepage and enhance soil water-retaining capacity; s2, mixing a water-retaining agent with local sandy soil to form a water storage layer, and paving the water storage layer on the surface of the impermeable material to ensure that the plant root system can obtain water for a long time; s3, applying an organic fertility intensifier to the water storage layer to improve the organic matter content and nutrient supply capacity of the soil; s4, appropriate plants are selected for planting, after planting, the vegetation growth condition and the soil humidity are checked regularly, a water-retaining agent and an organic fertility increasing agent are supplemented in time according to needs, and it is ensured that the vegetation can grow healthily. The planting method provided by the invention has a remarkable yield increasing effect, the survival rate of plants can be effectively improved, and the effect of fixing sand for a long time is achieved.

The invention relates to the technical field of forest tending, in particular to a structure regulation and control method for a pinus yunnanensis low-efficiency forest. The pinus yunnanensis low-efficiency forest structure regulation and control method comprises the following steps that ecological thinning is conducted on a pinus yunnanensis low-efficiency forest region, broad-leaved trees are planted in an intermediate cutting zone in a complementary mode according to the mixing proportion of 30% or below, and pinus yunnanensis lateral branches are pruned. According to the structure regulation and control method, good growth of the Yunnan pine forest is promoted, the diameter order range of the forest stand is expanded, the forest stand is converted into a needle-broad mixed different-age forest stand, the forest stand is gradually transited to random distribution or cluster distribution, the complexity and diversity of a natural ecological system can be better reflected, optimization of a forest stand space structure is promoted, and the economic benefit is increased. And a condition and a basis are provided for realizing a multifunctional effect of the forest.

The invention discloses bacillus pumilus, a complex microbial inoculant and application of the complex microbial inoculant in a saline-alkali soil four-dimensional improvement method, and belongs to the technical field of microorganism application. According to the invention, a strain of bacillus pumilus is screened, and the bacillus pumilus has excellent saline-alkaline tolerance, has multiple functions of producing organic acid, proline, siderophore, trehalose, IAA and betaine and the like, and has obvious advantages in saline-alkali soil improvement; the stress resistance of plants is improved through multiple mechanisms, nutrient absorption is promoted, the soil structure and chemical environment are improved, the stability and diversity of soil microbial communities are enhanced, and then effective treatment on the saline-alkali soil is achieved. According to the four-dimensional improvement method for the saline-alkali soil, the microbial technology, the physical technology, the chemical technology and the nutrition technology are combined, the saline-alkali soil is improved from the four dimensions of physics, chemistry, biology and nutrition, soil can be effectively improved, and repeated planting is not likely to happen.

The invention belongs to the technical field of water treatment, and particularly relates to activated carbon with high adsorption capacity. The chlorella protein nucleus is selected as a carbon source, and through secondary activation, the pore structure of the activated carbon is more developed, and the pore size distribution is more concentrated, so that the activated carbon is endowed with better performance.

The invention provides a preparation process of a soil remediation agent with multiple elements, and relates to the technical field of soil remediation. The preparation process of the soil remediation agent with the multiple elements comprises the following steps: selecting and grinding raw materials, namely selecting natural mineral raw materials containing silicon, calcium, magnesium and potassium elements, and grinding the selected raw materials to obtain powder with the particle size within a certain range, and the particle size is generally controlled between 100 meshes and 300 meshes; the organic matter is added, the content of the organic matter in the soil can be increased, the ground mineral powder and the organic matter are mixed according to a certain proportion, and the mixing proportion needs to be determined according to the specific requirements of soil remediation and the characteristics of raw materials. By combining silicon, calcium, magnesium, potassium and other elements, the remediation agent can meet the requirements of multiple nutrient elements in soil at the same time, promote plant growth and improve the soil structure, and by adding organic matter such as humic acid, the organic matter content of the soil can be increased, the water and fertilizer retention capacity of the soil can be enhanced, and the physical and chemical properties of the soil can be improved.

The invention discloses graphite tailing matrix soil and a preparation method thereof, and belongs to the technical field of tailing remediation, and the preparation method comprises the step of uniformly mixing 93.26-95.94% of graphite tailings, 3-5% of animal waste, 0.16-0.24% of a modifier A and 0.9-1.5% of diatomite. According to the graphite tailing matrix soil and the preparation method thereof, a new way is provided for consumption of graphite tailing resources, so that the problems of source of ecological restoration soil in a mining area and stacking of a large amount of graphite tailings are solved, and a win-win situation of social development and ecological environment protection is realized.

The invention discloses an intelligent agricultural tillage land preparation machine, and relates to the technical field of agriculture, the intelligent agricultural tillage land preparation machine comprises a machine body, a soil turning device, a soil loosening device and a weeding device; wherein the soil turning device comprises a connecting frame, wheels, a first gear, a second gear, a first rotating roller, a soil turning shovel, a fertilizer bin, a storage bin, a discharging port, a rotating plate, a supporting plate and a second rotating roller, the connecting frame is fixedly connected to the left side of the machine body, the supporting plate is fixedly connected to the bottom of the machine body, and the first rotating roller rotationally penetrates through the supporting plate; the second rotating roller is rotationally connected to the left side of the supporting plate, and the wheel is fixedly connected to the left side of the second rotating roller. According to the intelligent agricultural tillage land preparation machine, when the first rotating roller rotates, the first rotating roller drives the soil turning shovel to rotate, when the soil turning shovel rotates, the soil turning shovel makes contact with the land, at the moment, the soil turning shovel turns over the land, and planting and rooting of crops are facilitated.

According to the preparation method of the special biochar base fertilizer for saline-alkali soil improvement, the porous characteristic of biomass charcoal and the characteristic that wood vinegar can adjust the pH value of soil are utilized, the special biochar base fertilizer for saline-alkali soil improvement is prepared, and the preparation method is simple, low in cost and environmentally friendly; the obtained charcoal-based fertilizer can be used as a soil conditioner for improvement and recovery of large-area saline-alkali soil. When the biochar base fertilizer is used for saline-alkali soil cotton planting, it is found that the stem diameter, plant height and leaf chlorophyll content of cotton are remarkably increased, the pH, conductivity and volume weight of soil are remarkably reduced, and the porosity and saturated water-holding capacity of the soil are remarkably increased; the biochar-based fertilizer has the potential of adjusting the acid-base imbalance of the saline-alkali soil, improving the soil structure, increasing the organic matter content of the soil, improving the soil fertility and increasing the crop yield, and a sustainable, economical and effective solution can be provided for agricultural production.

The invention relates to an ion type rare earth ore tailing sandy land soil improvement structure and an improvement method, and belongs to the technical field of ecological restoration. The ion type rare earth ore tailing sandy land soil improvement structure sequentially comprises a humus layer, a surface soil layer and a subsoil layer. The subsoil layer comprises rare earth ore tailing sandy land soil and a slow-release modifier; the surface soil layer comprises the rare earth ore tailing sandy land soil, a slow-release modifier and a quick-acting modifier; the slow-release improver comprises agricultural and forestry wastes, and the quick-acting improver comprises livestock and poultry manure, lime and a compound fertilizer. According to ecological function characteristics of the soil, aiming at physical characteristics and nutrient content of the soil and specific rare earth and aluminum toxicity pollution of a mining area, the soil layer is remolded by using different dosages and different types of improvers, so that the restoration of a local damaged soil ecological system is accelerated, and the ecological function restoration of the soil in the rare earth ore tailing sand land is realized.

The invention discloses a device for breaking a soil plow pan and a using method, and relates to the technical field of agricultural machinery. Comprising a plow frame, a material storage frame is fixedly installed on the surface of the plow frame close to the edge, a second motor is fixedly installed on the surface of the plow frame close to one end edge, an extension frame is fixedly installed on the surface of the plow frame close to the other end edge, and a supporting plate is arranged on the surface of the extension frame. By means of the arranged second motor accessory structure, linkage can be achieved through plow frame accessories, in the actual operation process, besides normal soil drilling operation, a coulter can periodically swing in a reciprocating mode so as to improve the effect of drilling and breaking the soil plow pan, and by means of the extending frame and supporting plate accessory structure, on the basis of material storage frame accessories, the soil plow pan can be effectively protected. After the crushed straws are spread, the ground with broken soil can be periodically drilled and pressed, so that the straws can be pressed into the soil, the water storage and fertilizer conservation capability of the soil is improved, the soil structure is improved, the content of organic matters is increased, and the soil fertility of the soil is further improved.

The invention discloses a prevention and control method for tobacco soil-borne diseases based on a mushroom waste substrate and application. Belongs to the technical field of tobacco soil-borne disease prevention and control. According to the method, the tobacco soil-borne diseases are prevented and controlled by combining the mushroom waste substrate with the biological agent, the added mushroom waste substrate can increase the antibacterial activity of biocontrol bacteria, the control effect of the biocontrol bacteria is remarkably improved, the application direction of the mushroom waste substrate is widened, and maximum utilization of mushroom waste substrate resources is achieved on the premise of environment friendliness.

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 relates to a mudflat operation boat tractor, and belongs to the technical field of spartina alterniflora governance, the mudflat operation boat tractor comprises a boat tractor, the back of the boat tractor is provided with an anti-silting assembly, a mowing and crushing assembly, a rotary tillage assembly or a film mulching assembly, the anti-silting assembly is used for increasing the contact area of the contact surface of the boat tractor and the ground, the silting possibility of the boat tractor is reduced, and the mowing and crushing assembly is used for mowing and crushing the boat tractor. The mowing and crushing assembly is used for mowing the spartina alterniflora so as to reduce the height of the spartina alterniflora, the rotary tillage assembly is used for pressing the crushed spartina alterniflora into slurry and turning the slurry below a mud flat to a surface layer, and the film mulching assembly is used for laying an agricultural film to the spartina alterniflora so as to inhibit photosynthesis of the spartina alterniflora. The method has the effect of improving the spartina alterniflora treatment efficiency.

The invention provides an edible mushroom planting base soil improvement method, and relates to the technical field of edible mushrooms. The edible mushroom planting base soil improvement method specifically comprises the following steps that S1, peat soil is laid; s2, scattering biochar; s3, spreading fermentation liquor; s4, laying straw or wheat straw; s5, uniformly scattering an auxiliary agent; s6, multi-point application. According to the technology, multiple layers of organic matters and gradient minerals are added, the soil structure and nutrient distribution are improved, the air permeability and the water retention capacity are enhanced, ultraviolet disinfection and biological bacterium liquid are synchronously used, harmful pathogenic bacteria are effectively killed, meanwhile, beneficial microorganisms are rapidly recovered, and photosynthetic bacterium liquid and biological enzyme liquid are regularly sprayed; the soil is always in the optimal state through multi-point application of the complex microbial inoculants, activation of the soil microenvironment and pH value adjustment, the yield and quality of the edible mushrooms are improved, diseases and insect pests are effectively prevented through biological barriers and triple spraying, use of chemical pesticides is reduced, and environmental protection and safety are achieved.

The invention discloses a drought-resisting, waterlogging-preventing and fertility-increasing crop diversity utilization system for organic sorghum in mountainous regions and an establishment method thereof, and belongs to the technical field of comprehensive utilization of rainwater. The system comprises a water guide groove, the water guide groove comprises a vertical water guide groove and an equal-height water guide groove, and the vertical water guide groove is connected with the equal-height water guide groove; the filter tank is connected with the vertical water chute; the reservoir is connected with the filter tank; the water tank is connected with the reservoir and used for controlling the water level of the reservoir; plants are planted above the water guide grooves; rainwater and surface runoff flow into the equal-height water guide groove, flow into the filter tank through the vertical water guide groove, flow into the reservoir to be stored after being filtered by the filter tank, and nutrients generated by plants flow into the reservoir along with water flow. The problems that the slope farmland field rainwater resource utilization rate is low, and the waterlogging-preventing and drought-resisting efficiency is low are solved. Waterlogging of crops caused by concentrated rainfall in the mountainous region is reduced, water resources in the mountainous region are reasonably utilized, the plants and the crops are intercropped, and diversity planting of the crops and integration of water and fertilizer are achieved.

The invention discloses a thermal insulation multiphase ceramic fiber aerogel used in an ultrahigh temperature environment of 1800 DEG C and a preparation method of the thermal insulation multiphase ceramic fiber aerogel. The preparation method comprises the following steps: mixing basic zirconium carbonate, glacial acetic acid and a yttrium source according to a specific molar ratio to prepare a zirconium precursor solution; the preparation method comprises the following steps: adding an aluminum source and a silicon source into a solvent according to a specific molar ratio, completely dissolving to obtain a silicon-aluminum solution, condensing and refluxing until the solution is completely clarified to prepare a silicon-aluminum precursor solution, mixing the silicon-aluminum precursor solution with the silicon-aluminum precursor solution according to a specific molar ratio, solating to obtain a zirconium-silicon-aluminum ternary sol, adding a spinning aid into the zirconium-silicon-aluminum ternary sol to obtain a zirconium-aluminum-silicon ternary spinning solution, and carrying out spinning on the zirconium-silicon-aluminum ternary spinning solution to obtain the zirconium-silicon-aluminum ternary spinning solution. And carrying out electrostatic spinning or centrifugal spinning on the zirconium-aluminum-silicon ternary spinning solution to obtain a zirconium-aluminum-silicon fiber aerogel precursor, collecting the zirconium-aluminum-silicon fiber aerogel precursor, heating to 1000-1300 DEG C, carrying out heat preservation, and cooling along with a furnace to obtain the aluminum oxide-zirconium oxide-mullite fiber ceramic aerogel with a three-dimensional structure. The aerogel prepared by the method is good in flexibility and has a good three-dimensional pore structure, and the fiber surface is smooth.

The invention relates to the technical field of environmental protection, and particularly discloses a method for preparing planting soil from artificial gravel sewage mud cakes and application of the planting soil. During treatment, the mud cakes are crushed, mixed with quick lime and aged for 7 days or above; and adding sulfur powder, an organic fertilizer and magnesium sulfate into the obtained material, and mixing to obtain the planting soil. The mud cake is treated, the pH value of the mud cake is reduced, the cation exchange capacity of the mud cake is improved, the non-capillary porosity is reduced, and the content of medium trace elements is adjusted, so that the mud cake can be suitable for landscaping planting soil.

The invention relates to the technical field of agricultural cultivation, in particular to a fine grain tailing-based rice seedling substrate and a preparation method thereof. The fine grain tailing-based rice seedling raising substrate comprises the following components: fine grain tailings, fresh animal waste powder, a modifier A and diatomite. The fine grain tailing rice seedling raising substrate has excellent water and fertilizer retention performance, can effectively improve the soil structure and physicochemical properties, improves the air permeability and water retention of the substrate, promotes plant growth, and reduces dependence on soil resources and influences on the environment. The fine grain tailing-based rice seedling substrate prepared by the invention is wide in material source and simple in preparation process, has the advantages of promoting healthy and strong growth of seedlings, enabling seedlings to emerge neatly, being developed in root system, multiple and long in root system, strong in root system coiling force, high in seedling rate, high in comprehensive quality of the seedlings and the like, and has a relatively wide application prospect.

The invention provides an improvement method of soda saline-alkali soil, and belongs to the technical field of soil improvement. The method comprises the following steps: crushing corn straws, spreading the crushed corn straws on the surface of soda saline-alkali soil according to the addition amount of 15-20 tons / hectare, ploughing, harrowing, ridging, sowing jute seeds, fertilizing, and burying a drip irrigation belt in the middle of a ridge at a position 3-5 cm away from the earth surface. According to the method, the straw returning technology is matched with jute planting, the soil salinity and alkalinity of the soda saline-alkali soil are remarkably reduced, the soil fertility is improved, the soil environment is improved, and the yield and quality of jute are remarkably improved.

The invention relates to the technical field of agricultural planting, and discloses a one-hole double-plant densification planting method for carbon composite all-weather oxygen supply targeted efficiency improvement for corn, which comprises the following steps: step 1, in a soil preparation stage, applying an organic carbon source substance to improve the soil structure and improve the water and fertilizer retention capability of soil; step 2, before corn sowing, applying a microbial source biostimulant in combination with a base fertilizer, activating soil microorganisms, and promoting carbon source decomposition and nutrition conversion; step 3, a one-hole double-plant densification planting design is adopted, and two corn plants are planted in each hole, so that the planting density in unit area is increased. The organic sugar carbon fertilizer is applied in the soil preparation stage, and the fertilizer contains water-soluble carbon, humic acid and amino acid, so that the structure of soil is effectively improved, the water and fertilizer retention capacity of the soil is improved, the organic matter content of the soil is increased, and a better growth environment is provided for growth of crop roots.

The invention relates to the technical field of fertilizers, discloses a multifunctional soil conditioner for improving saline-alkali soil as well as a preparation method and application of the multifunctional soil conditioner, and aims at solving the problem that a traditional soil conditioner is single in function. The invention provides a comprehensive soil improvement scheme capable of simultaneously improving soil fertility, structure and microbial environment and supplementing trace elements. The multifunctional soil conditioner for improving the saline-alkali soil has remarkable effects in the aspects of improving soil quality, promoting plant growth and increasing crop yield.

The invention provides a preparation method and application of a fulvic acid humus saline alkali soil remediation material, and relates to the technical field of soil remediation. According to the preparation method of the fulvic acid humus saline alkali soil remediation material, nano-porous silicon oxide and nano cubic fulvic acid humus are adopted, the nano-porous silicon oxide serves as a carrier, the nano cubic fulvic acid humus serves as a remediation component, and a hydrothermal-impregnation method is adopted for preparation; by taking the mass of the nano-porous silicon oxide carrier as a reference, the mass percentage of the repairing component is 40%-60%. According to the remediation material, silicon oxide and humus are both original components in natural environment soil and cannot cause secondary pollution to saline-alkali soil after being doped into the soil, and the nano porous silicon oxide carrier can adsorb the nano cube fulvic acid humus in the preparation process of the remediation material and can also adsorb the nano cube fulvic acid humus in the preparation process of the remediation material; and after fulvic acid colonies are completely released, alkali metal ions such as sodium and potassium can be adsorbed, so that the dual effects of reducing salt and increasing fertility of the saline-alkali soil are realized.

The present application relates to the technical field of resource utilization of fruit tree branches, and provides a method for returning citrus branches to the orchard, which comprises the following steps: (1) crushing and fermenting the pruned citrus branches, and mixing the branches with organic fertilizer to obtain material A; (2) digging a ditch along a direction parallel to the tangent of the tree crown drip line; and (3) applying the material A obtained in the step (2) into the ditch, and then covering the ditch with soil. The method for returning citrus branches to the orchard can significantly improve the diversity of arbuscular mycorrhizal fungi and the stability of the community structure in the soil, and promote more arbuscular mycorrhizal fungi to act on the rhizosphere soil and root hairs of citrus, so as to effectively improve the physicochemical properties of the soil and promote the growth and development of citrus. The method for returning citrus branches to the orchard is a resource utilization of waste, and can better promote the green, low-carbon, efficient and sustainable development of the citrus industry.

The invention discloses a high-efficiency liquid organic fertilizer and a preparation method thereof, and belongs to the technical field of organic fertilizer. It is made of the following raw materials in parts by weight: 200-300 parts of livestock and aquaculture wastewater, 50-80 parts of plant straw, 10-20 parts of pretreatment agent, 10-20 parts of EM bacteria, 20-30 parts of composite microbial agent, 3-10 parts of promoter, 1-3 parts of potassium dihydrogen phosphate, and 0.05-0.2 parts of trace elements; the promoter is composed of sunflower disk extract and sodium lauryl alcohol polyether sulfate in a mass ratio of 3:1; the pretreatment agent is a biochar-TiO2 composite material. The present invention realizes the resource utilization of livestock and aquaculture wastewater, converts wastewater into liquid organic fertilizer rich in nutrient elements, provides high-quality fertilizer resources for agricultural production, effectively removes harmful substances in wastewater through the combination of biological treatment and physical and chemical treatment technology, ensures the safety and environmental protection of organic fertilizer, and the obtained organic liquid fertilizer has a significant effect on improving potato yield and quality, and has good application prospects.

The present invention provides a protozoan Trichomonas cercoides for use in improving wheat yield and soil organic matter content. Protozoan Trichomonas cercoides NJAU‑Z1 (Cercomonas direct) NJAU‑Z1), with a preservation number of CCTCC NO: C202443. Field trials have found that the average yield of wheat treated with protozoan Trichomonas cercoides NJAU‑Z1 increased by 11.23%. At the same time, the organic matter content of the soil treated with protozoan Trichomonas cercoides NJAU‑Z1 increased by 9.2%. The present invention shows that protozoan Trichomonas cercoides Cercomonas direct The application of NJAU‑Z1 has great potential in increasing soil organic matter content, soil fertility and grain yield.

The invention relates to the technical field of soil improvement, in particular to a functional seaweed extract as well as a preparation method and application thereof. The preparation method comprises the following steps: (1) soaking seaweed with water, taking out, drying, mincing, adding an ethanol solution, stirring and extracting to obtain an extracted mixture; (2) centrifugally filtering the extracted mixture to obtain a seaweed solid substance and an extracting solution, and carrying out reduced pressure distillation on the extracting solution to obtain extracted seaweed; (3) grinding and crushing the extracted seaweed, and adding mixed enzyme for enzymolysis to obtain an enzymolysis product; (4) mixing the seaweed solid substance and the enzymolysis product, filtering, and centrifuging to obtain an extracting solution; and (5) adding a flocculating agent into the extracting solution for flocculation, carrying out solid-liquid separation, and carrying out vacuum concentration. Active components in seaweed can be fully extracted, the effectiveness of plant growth promoting components in the seaweed extract is improved, the physical and chemical indexes of sandy soil are improved, meanwhile, the water retention capacity of soil is improved, yield increase is promoted, and the improvement effect of the sandy soil is improved.

The present application relates to the technical field of fertilizer, in particular to an organic leaf fertilizer and a production method thereof.The present application solves the problems of poor fertilizer efficiency and easy damage to soil structure.The present application improves the soil organic matter content of the organic leaf fertilizer by changing the dosage of kelp, the temperature and time of ultrasonic and the dosage of kelp extract; improves the relative content of plant chlorophyll of the organic leaf fertilizer by changing the dosage of earthworms, trypsin and amino acid extract; improves the soil porosity of the organic leaf fertilizer and reduces the soil bulk density by changing the dosage of shrimp shells, the temperature of removing protein and the dosage of chitosan extract; increases the plant leaf thickness of the organic leaf fertilizer by changing the dosage of straw and the dosage of cellulose extract; and improves the fertilizer utilization rate of the organic leaf fertilizer by changing the temperature and time of stirring and the time of emulsification and grinding.