42 results about "Soil ecology" patented technology

The invention discloses streptomyces bulbus as well as a multifunctional fungicide and application thereof. According to the invention, firstly, a strain of Streptomyces tauricus zhanshen-LZ-12 is separated and screened from straw returning soil, and the preservation number of the strain is CGMCC (China General Microbiological Culture Collection Center) No.34456. The invention also discloses a preparation method of the Streptomyces tauricus zhanshen-LZ-12. The strain has the functions of degrading cellulose, decomposing protein, fixing nitrogen, resisting salt, degrading phenolic acid autotoxic substances (benzoic acid, p-hydroxybenzoic acid and cinnamic acid) and the like. Bacterial powder obtained after fermentation of the bacterial strain is uniformly mixed with bacillus bacterial powder to obtain the multifunctional bacterial agent, and when straw returning or composting is carried out, the multifunctional bacterial agent is adopted, straw decomposition can be accelerated, soil ecology can be improved, crop growth can be promoted, and the stress resistance of crops can be enhanced.

The invention relates to sulfate reducing bacteria with phosphate solubilizing capacity and application of the sulfate reducing bacteria in soil ecological restoration, and belongs to the technical field of soil environment microorganisms. The sulfate reducing bacterium disclosed by the invention is Desulfosporosinus sp.QY25, and is preserved in the Guangdong Microbial Culture Collection Center on August 6, 2024, and the preservation number of the sulfate reducing bacterium is GDMCC No: 64963. The invention provides a sulfate reducing bacterium Desulfosporosinus sp.QY25 which is high in dissimilatory sulfate reducing capacity and can be used for converting insoluble phosphorus in soil into soluble phosphorus which can be absorbed by plants. The invention further provides a preparation method of the sulfate reducing bacterium Desulfosporosinus sp.QY25 and an application of the sulfate reducing bacterium Desulfosporosinus sp.QY25. The strain can restore soil ecology, neutralize pH, reduce the content of SO4 < 2->, reduce the bioavailability of heavy metals, improve the utilization efficiency of phosphorus in soil, improve the activity of acid phosphatase in tailings and enable plants to grow well.

The invention relates to the technical field of soil ecology, and particularly discloses a method for quantifying the density of topsoil habitat soil arthropods based on a trap method.The method comprises the following steps that S1, trap method sampling is conducted, specifically, when a soil arthropod sample is collected, a soil auger is used for digging out a trap, a trap cup containing preserving fluid is placed in the trap for soil animal investigation, and the soil arthropod sample is collected; the time duration is one week which is used most widely in the literature; s2, sampling by a digging method: when a soil arthropod sample is collected, placing a prepared sampling frame of one square meter on sampling soil, digging and collecting soil animals with the depth of 10cm in the sampling frame, picking large arthropods by using a hand picking method, and separating medium soil animals such as springtails, mites and insects by using a dry funnel method. According to the method for quantifying the density of the surface soil habitat soil arthropods based on the trap method, the actual soil excavation area can be reduced to the maximum extent, the damage to the soil structure of a sampling field is reduced, and the possibility is provided for long-term experiments.

This invention relates to the field of microbial-nanomaterial cross-integration technology, specifically to a remediation agent and method for heavy metal contaminated soil based on the targeted regulation of microbial communities. The agent comprises a gene-edited composite microbial community, a nanocatalytic composite system, intelligent regulatory additives, and magnetically responsive materials. The method includes soil electric field pretreatment, agent compounding, magnetoelectric synergistic remediation, dynamic regulation, and maturation monitoring. It synergistically reduces the bioavailable form of heavy metals through photocatalysis, magnetic response, and gene editing technologies, thereby improving remediation efficiency. This invention enhances the tolerance and remediation efficiency of the microbial community through gene editing, nanocatalysis, and magnetoelectric synergistic technologies, shortens the remediation cycle, achieves a significant reduction in the bioavailable form of heavy metals, and simultaneously improves soil ecology. It is suitable for complex contaminated soils, environmentally friendly, and causes no secondary pollution.

The invention provides bacillus methylotrophicus N7, a preparation and application of the bacillus methylotrophicus N7 to prevention and control of soybean cyst nematode, and belongs to the technical field of microorganisms. The preservation number of the bacillus methylotrophicus N7 is CGMCC (China General Microbiological Culture Collection Center) No.31391, and the bacillus methylotrophicus N7 is obtained by mutagenizing an original strain The strain is suitable for soybean low-temperature producing areas at 5-20 DEG C, has high soybean cyst nematode resistance, the cyst inhibition rate of a high-concentration group in the seedling stage is over 70%, the soybean yield in the mature stage is increased by 24.6% compared with a blank control, and the strain is non-toxic, free of residues and eco-friendly to soil.

The invention relates to the technical field of soil improvement, and particularly discloses a compound microbial agent and application thereof. The compound microbial agent is prepared from the following viable bacteria: bacillus subtilis, bacillus licheniformis, bacillus circulans, bacillus mucilaginosus, nitrogen-fixing bacteria (Azobacter vinelandii), phosphate solubilizing bacteria (Acinetobacter sp.), potassium solubilizing bacteria (Sptotrophomonas cidaminiphila) and the like, and the compound microbial agent is prepared from the following active bacteria: bacillus subtilis, bacillus licheniformis, bacillus circulans, bacillus mucilaginosus, nitrogen-fixing bacteria (Azobacter vinelandii, phosphorus solubilizing bacteria (Acinetobacter sp.), potassium solubilizing bacteria (Sptotrophomonas cidaminiphila) and the like. The compound microbial agent provided by the invention can effectively improve soil ecology, promote crop growth and development, and improve crop yield and disease resistance.

The invention relates to the technical field of monitoring devices, in particular to a soil heavy metal monitoring device which comprises a positioning disc, a sampling insertion rod is fixedly mounted at the bottom of the positioning disc, a collection column groove is formed in the sampling insertion rod, and the collection column groove communicates with a collection shell. A stirring assembly is rotatably mounted at the bottom of the collecting column groove through a bearing, the stirring assembly comprises a homogenizing disc, a sealing plate capable of sliding up and down is arranged on the inner side of the collecting column groove, water drawing cotton is fixedly mounted at the top of the sealing plate, and the sealing plate and the water drawing cotton move up and down to complete sampling and cleaning work; by adopting the design of the water drawing cotton, the underground water sampling process is optimized, the underground water can be effectively transported to the ground for detection, the damage to the surrounding soil environment is remarkably reduced, the influence on the soil ecology is reduced, and the underground water sampling device is particularly suitable for sampling a small amount of underground water and enhancing the sampling efficiency.

This invention provides a moisture-sensitive, reversible, stretchable biomimetic fiber actuator for loosening soil. The method includes: adding a self-spiraling fiber actuator to the soil, which has a spontaneous spiral state; when the soil moisture content changes, the self-spiraling fiber actuator undergoes a morphological change to loosen the soil. This invention uses a moisture-driven self-spiraling fiber actuator to generate continuous reversible dual-mode motion of moisture absorption and unwinding, and water loss and tightening, achieving cyclical and long-term effective soil loosening; it loosens the soil with gentle and continuous micro-disturbance like earthworms, without damaging the aggregate structure or losing organic matter, which is more conducive to soil ecology and long-term cultivation; the self-spiraling fiber output thrust is large, which can effectively break up deep compacted soil layers and open up pore channels, resulting in significantly higher soil loosening depth, range and efficiency; at the same time, the fiber movement is reversible, and it can continuously perform loosening operations under periodic fluctuations in soil moisture, achieving long-term self-repair of soil structure.

The present invention relates to the field of soil ecology detection, and discloses a detection device and a detection method for benzene series in soil ecology, the detection device comprises a sampling box, the lower edge of the sampling box is supported by supporting legs, the upper inner wall of the sampling box is provided with a heating box, and the heating box is internally provided with a fan and a resistance wire; a feeding pipe is connected to the middle of the upper surface of the sampling box, a pipe cover is screwed to the top end of the feeding pipe through threads, a detection structure is arranged on the edge of the upper surface of the sampling box, an inner disc is arranged in the middle of the sampling box, to-be-detected soil added into the sampling box is guided to the inner disc through a material guiding structure, and then the to-be-detected soil is conveyed to the sampling box through a pulling structure and a driving structure; when the inner disc is heated, a material bouncing block of the material bouncing structure is driven to bounce the soil accumulated on the inner disc upwards, so that the soil can be raised and fall off better and is heated faster, the benzene series in the soil can be volatilized and detected faster, and the detection working efficiency is improved.

The invention relates to the technical field of microorganisms, and particularly discloses plant probiotic stenotrophomonas SX2 and application thereof. The plant probiotic stenotrophomonas sp. SX2 is indicative stenotrophomonas sp. SX2, and is preserved in the China General Microbiological Culture Collection Center on May 19, 2025, the address is Institute of Microbiology, Chinese Academy of Sciences, No.3, Beichen West Road, Chaoyang District, Beijing, the preservation number is CGMCC No.34589, and the classification name is Snotrophomonas sp. The strain has a remarkable growth promoting effect, can enhance the stress resistance of plants, has dual functions of dissolving phosphorus and fixing nitrogen, can be prepared into various dosage forms, is applied through seed soaking, root irrigation or foliage spraying, is suitable for saline-alkali soil improvement and water-saving agriculture, and has comprehensive benefits of reducing the use of chemical fertilizers, improving soil ecology and the like.

The invention relates to the field of slope soil protection, in particular to an improved soil ecological base material for ecological slope protection and a preparation method and application of the improved soil ecological base material. The improved soil ecological base material is used for high-cold, high-humidity and high-altitude areas; the improved soil ecology base material comprises the following components: an anti-skid, anti-ultraviolet and freeze-thaw-resistant layer; and a soil adaptation layer; wherein the anti-skid, anti-ultraviolet and freeze-thaw-resistant layer comprises modified plant fibers and an anti-ultraviolet and freeze-thaw-resistant composite material; the soil adaptation layer contains a water absorption composite material. The prepared improved soil ecological base material has good freeze-thaw stability, excellent water erosion resistance and water retention performance, is eco-friendly and degradable, and is used for ecological slope protection in high-cold, high-humidity and high-altitude areas.

The invention relates to the field of agricultural technology and agricultural engineering, in particular to an orchard soil ecology improvement and optimization method based on microbial fertilizer, and the method comprises the following steps: collecting root zone soil layer by layer in a fruit tree dormancy period, and diagnosing physicochemical properties and microbial community structures; a composite microbial fertilizer mainly containing bacillus megatherium and bacillus amyloliquefaciens is customized; an intelligent combined tillage implement integrating a soil real-time sensing unit, an onboard controller and a hydraulic adjusting mechanism is adopted, and deep scarification parameters and the fertilization amount are adjusted through diagnosis data and real-time signals; after root zone operation, rotary tillage is conducted between rows of the whole garden, decomposed organic materials are mixed, a straw covering layer is laid, and a liquid fungicide rich in photosynthetic bacteria is sprayed; and a bacterial fertilizer diluent is dressed through drip irrigation in the young shoot growing period and the fruit expanding period of the fruit trees. The problems that an existing orchard soil improvement measure is single in function, the fertilizer efficiency utilization rate is low, and soil-borne diseases cannot be inhibited for a long time are solved.

The invention relates to the technical field of agricultural planting, and discloses a method for improving saline-alkaline resistance of medicago sativa in a germination period, which comprises an exogenous betaine seed soaking method, a green manure pretreatment and soil improvement method, a microbial seed dressing and basic agriculture combination method, and a salt-tolerant variety and scientific field management auxiliary method. According to the method for improving the saline-alkaline resistance of the alfalfa in the germination period, an exogenous betaine seed soaking method is adopted, the stress resistance potential of seeds is rapidly activated, the germination quality is improved at low cost, the soil ecology is remodeled from the source through a green manure pretreatment and soil improvement method, long-acting improvement is adapted to severe saline-alkali soil, and a microbial seed dressing and basic agriculture combination method is adopted; the germination rate and the stress tolerance continuity are considered, management measures can be flexibly adjusted according to the soil saline-alkali degree through a salt-tolerant variety and a scientific field management auxiliary method, the method is suitable for small-scale planting and large-scale application, and the popularization and application potential is large.

The invention relates to the technical field of microbiology, soil ecology and disease early warning, and provides a black shank early warning model construction method, a black shank early warning method and a black shank early warning system. According to the method disclosed by the invention, key characteristics which have important influences on the incidence of the black shank are determined by means of standardized soil sample collection, physicochemical index measurement, high-throughput sequencing analysis, microbial community evaluation and the like, so that the tobacco black shank early warning model is constructed. On the basis of deploying the tobacco black shank early warning model, the early warning of the tobacco black shank is realized through the tobacco black shank early warning system. Through scientific prevention and control of early warning, the occurrence rate and the harm degree of the tobacco black shank can be effectively reduced, the tobacco leaf quality is improved, and agricultural intelligent development is promoted.

The invention relates to the technical field of soil pollution remediation and detection, in particular to farmland soil pollution detection and treatment integrated equipment and a gradient purification method. The farmland soil pollution detection and treatment integrated equipment comprises a detection module, a gradient purification module, an intelligent control module and the like; the detection module comprises a multispectral sensor and the like to realize accurate detection; the gradient purification module is divided into three layers, the surface layer uses nanoscale zero-valent iron-graphene aerogel to remove heavy metals, the middle layer uses beta-cyclodextrin and nano TiO2 to degrade organic matters, and the deep layer uses calcium magnesium aluminum hydrotalcite to fix ions; the in-situ reaction strengthening module strengthens purification through ultrasonic waves, microwaves and the like; and the intelligent control module realizes automation and data management. By means of the integrated equipment and method, precise detection and efficient treatment of soil pollution are achieved; various pollutants can be treated, the use of chemicals is reduced, the cost and pollution risk are reduced, the soil ecology can be restored, the automation degree is high, the application range is wide, and the economic and social benefits are good.

This application relates to the field of microbial technology, specifically disclosing a plant-derived beneficial oligotrophomonas SX2 and its applications. The plant-derived beneficial oligotrophomonas SX2 is an indicator oligotrophomonas SX2, deposited on May 19, 2025, at the China General Microbiological Culture Collection Center (CGMCC), located at No. 3, Courtyard 1, Beichen West Road, Chaoyang District, Beijing, Institute of Microbiology, Chinese Academy of Sciences, with accession number CGMCC No. 34589, and classified as indicator oligotrophomonas (Stenotrophomonas indicatrix). This strain has significant growth-promoting effects, enhances plant stress resistance, and possesses both phosphorus solubilization and nitrogen fixation functions. It can also be formulated into various dosage forms and applied through seed soaking, root irrigation, or foliar spraying. It is suitable for saline-alkali land improvement and water-saving agriculture, offering comprehensive benefits such as reducing fertilizer use and improving soil ecology.

The utility model relates to an efficient ventilation soil ecology restoration device which comprises a restoration box body, a ventilation assembly is arranged in the restoration box body, the ventilation assembly comprises an inner cylinder, an air blower, a hydraulic rod, an air duct and a filter box, the inner cylinder is fixed in the restoration box body, and a ventilation net is arranged on the outer wall of the bottom of the inner cylinder. The air blower is fixedly arranged on the outer wall of the repairing box body, the inner wall of the inner cylinder is sequentially and fixedly provided with a blocking base and a material distributing cone from top to bottom, and a discharging hole is formed in the center of the blocking base. The baffle can move to shield the discharging hole, intermittent discharging can be achieved, meanwhile, the baffle is used in cooperation with the material distribution cone, a thin layer of heated soil can fall down along the ventilation net and make contact with air blown by an air blower, harmful volatile pollutants in the heated soil can be fully volatilized and separated from the soil, and therefore the soil quality is improved. Efficient ventilation is achieved, and the soil ecological restoration effect can be better.

The invention relates to streptomyces spectabilis AMC3-4 capable of preventing and treating towel gourd fusarium wilt, which is preserved in China General Microbiological Culture Collection Center (CGMCC) on November 24, 2025, and has a preservation number of CGMCC No.36755. The invention also relates to an application of the streptomyces spectabilis AMC3-4 in preventing and treating towel gourd fusarium wilt. The streptomyces spectabilis AMC3-4 strain disclosed by the invention has a very strong inhibition effect on pathogenic bacteria of towel gourd fusarium wilt, and fermentation liquor of the streptomyces spectabilis AMC3-4 strain contains various metabolites with antibacterial effects. The prevention and treatment effect of the towel gourd potted plant treated by the AMC3-4 fermentation liquor is 47.62%. Compared with a chemical pesticide, the natural strain separated from soil has no toxic or side effect and no residue on soil ecology, so that the strain has potential commercial development and application values in biological prevention and control practice of diseases.

The application discloses a rhizosphere microbial nutrient limitation judgment and prescription generation method based on extracellular enzyme activity, and belongs to the technical field of soil ecology and agricultural detection and analysis. The method obtains soil samples of a plough layer and a sub-plough layer by stratified discrete sampling of a to-be-tested farmland soil, determines extracellular enzyme activity data of each soil sample, and obtains a microbial nutrient limitation strength by processing the enzyme measurement characteristic ratio based on the extracellular enzyme activity data through a threshold ecological enzyme measurement model. The microbial nutrient limitation type is judged and the microbial nutrient limitation strength difference is calculated based on the microbial nutrient limitation strength of each soil sample, so as to form a soil microbial nutrient limitation pattern of the plough layer and the sub-plough layer, and a differentiated nutrient management prescription of a corresponding layer is output according to the soil microbial nutrient limitation pattern. The application realizes accurate quantitative judgment of rhizosphere microbial carbon, nitrogen and phosphorus nutrient limitation, provides a scientific basis for stratified accurate management of farmland nutrients, and improves the pertinence and effectiveness of nutrient regulation.

The invention provides a method for improving the yield and quality of fresh ginger, and belongs to the technical field of fresh ginger planting. The method for improving the yield and quality of the fresh ginger comprises the following steps that in the vigorous growth period of fresh ginger seedlings, a choline chloride aqueous solution is sprayed to leaf surfaces for the first time, and the concentration of choline chloride in the choline chloride aqueous solution is 75 mg / L-350 mg / L. The method provided by the invention not only can promote the growth of the ginger, but also can improve the yield and quality of the ginger, and can delay the aging of plants and prolong the harvesting time. In addition, the method provided by the invention is green and environment-friendly, and pollution is reduced; soil ecology is improved, and beneficial microorganisms are protected; the cost is low, and the popularization is easy.

The invention relates to a soil remediation agent as well as a preparation method and application thereof, in particular to the soil remediation agent which comprises the following components in parts by weight: 30-50 parts of modified biochar, 20-40 parts of an organic passivation component, 5-15 parts of a microbial wet inoculant, 10-20 parts of a nutrient sustained-release material and 0-5 parts of an auxiliary additive, the organic passivation component is a compound of humic acid and chitosan; the nutrition sustained-release material is magnesium ammonium phosphate coated with calcium alginate; the microbial wet inoculant is loaded on the modified biochar. Under the synergistic effect of all the components, the final product can improve the soil fertility, and waste is turned into wealth, and forward succession of soil ecology is achieved.

This invention discloses a nutrient adjuvant for increasing sugarcane yield and its preparation method, comprising the following steps: Making Enzyme 1: Collect protein casing waste, add a pre-set fermenting agent to the protein casing waste and ferment for 6-10 hours, sterilize, cool and filter; the filtrate is Enzyme 1. Making Enzyme 2: Take Imperata cylindrica root, dilute with water and pulp, separate the pulp and residue, take the pulp, add PBS mother liquor to the pulp and then inoculate with bacterial powder, seal and ferment for 40-52 hours to obtain Enzyme 2. Making Enzyme 3: Take Mesona chinensis and alcohol solution, shake repeatedly for 5-8 hours, filter, dilute the filtrate 10-20 times, then inoculate with bacterial solution, maintaining an aeration rate of 0.08 m³ / h. 3 / (m 3 ·min)-0.15m 3 / (m 3 The mixture is fermented aerobically for 4-6 days (min), filtered, and the pH of the filtrate is adjusted to 7.0-8.0 to obtain enzyme 3. Enzyme 1, enzyme 2, and enzyme 3 are mixed to prepare a nutrient adjuvant for increasing sugarcane yield. Compared with the prior art, this invention prepares a nutrient adjuvant containing high levels of acid-soluble proteins, flavonoids, organic acids and their salts, and effective active bacteria. This nutrient adjuvant promotes the development of sugarcane roots, increases sugarcane leaf area, improves the rate of photosynthesis, and increases sugarcane yield; it also improves soil degradation and nutrient imbalance caused by continuous sugarcane cropping, and restores soil ecology and fertility.

The utility model discloses a forest ecological restoration device, which relates to the technical field of forest ecological restoration, and is technically characterized by comprising a bottom plate and four moving wheels fixedly arranged on the bottom surface of the bottom plate, and a liquid spraying mechanism and a mixing mechanism are arranged above the bottom plate; the mixing mechanism is positioned on the right of the liquid spraying mechanism; the forest soil ecological restoration device has the technical effects that liquid medicine can be sprayed above the soil through the liquid spraying mechanism, so that the forest soil ecology can be restored, soil can be loosened through the soil loosening part in the spraying process, the lifting plate is controlled to move up and down in a reciprocating mode, and the forest soil ecological restoration device is convenient to use. And when the lifting plate moves up and down, the inserting rods can be inserted into the soil, so that the purpose of loosening the soil can be achieved, after the soil is loosened, pesticide liquid can be fully mixed with the soil after being sprayed above the soil, the effect that the soil absorbs the pesticide liquid is better, the remediation degree is higher, and uniform treatment on the soil can be achieved.

The application provides a methylotrophic bacillus N7, a preparation and application thereof in prevention and control of soybean cyst nematode, and belongs to the technical field of microorganisms. The methylotrophic bacillus N7 has a preservation number of CGMCC No.31391, and is obtained by mutagenizing an original strain N1 with 0.4% ethyl methanesulfonate. The methylotrophic bacillus N7 is suitable for a low-temperature soybean production area with a temperature of 5 to 20 DEG C, has high resistance to soybean cyst nematode, a cyst inhibition rate of a high-concentration group in a seedling stage is higher than 70%, a soybean yield in a mature stage is increased by 24.6% compared with a blank control, is non-toxic and non-residual, and is friendly to soil ecology.

The invention discloses a development method and application of soil indigenous bacteria. The development method of the soil indigenous bacteria comprises the following steps: collecting soil; the method comprises the following steps: preparing a soil suspension from soil and water, inoculating the soil suspension into a culture medium by a gradient dilution method, and separating single colony microorganisms to obtain a plurality of strains; the method comprises the following steps: screening strains which produce indoleacetic acid, produce microbial siderophores, solubilize phosphorus, solubilize potassium and / or have antagonism with soil-borne pathogenic bacteria from various strains to obtain functional strains; bacterial strains with symbiotic and / or synergistic effects are selected from the functional bacterial strains in a mixed culture mode to be compounded, and a composite flora is obtained; single strains in the composite flora or the functional strains are used for soil improvement; the method for developing the indigenous bacteria in the soil has no requirement on the area where the soil is located, the indigenous bacteria can be developed for the soil in any area, the indigenous bacteria highly synergetic with the local soil ecology can be obtained, and the application effect is improved.

The present invention relates to the field of microbial control technology, and specifically to a strain of Streptomyces mycarofaciens DNW2 and an application thereof. The Streptomyces of the present invention is named Streptomyces mycarofaciens DNW2 and was deposited in the General Microbiology Center of the China Microorganism Culture Collection Administration Committee on September 2, 2022, with a deposit number of CGMCC No. 25639. The Streptomyces mycarofaciens DNW2 of the present invention is isolated from the rhizosphere soil of the virgin forest in Shunchang County, Nanping City, Fujian Province. It has strong growth adaptability, high acid-base tolerance, and can be harmoniously compatible with the soil ecology. The biocontrol agent prepared by the strain can effectively prevent and control various plant diseases such as honey pomelo black spot disease, honey pomelo anthracnose, honey pomelo black spot disease, pepper wilt, tomato wilt, banana wilt, banyan anthracnose, succulent black spot disease, tomato leaf mold, orchid stem base rot, corn stalk rot, strawberry root rot, etc., especially for honey pomelo black spot disease. The control effect is significant, and it has the advantages of being pollution-free and promoting growth.

This invention discloses a method and system for estimating the spatiotemporal variability and carbon sequestration potential of soil organic carbon, relating to the fields of soil ecology and agricultural environmental management. The method acquires multi-source spatiotemporal data and performs standardized preprocessing, constructs a locally optimized process model and couples it with a cellular automata model, and after parameter calibration and accuracy verification, sets up multiple scenarios to simulate future soil organic carbon storage and calculates carbon sequestration potential, finally outputting the results in a visualized form. The corresponding system includes modules for data acquisition and preprocessing, core model computation, result display and application, and integrates decision support functions. This invention solves the problems of non-standardized data integration, neglect of carbon spatial migration, and insufficient practicality of results in existing technologies, improving the scientific rigor and reliability of the estimation, and providing precise support for regional soil carbon sequestration management and sustainable agricultural development.

The invention relates to the technical field of prevention and control of wilt and verticillium wilt, and particularly discloses an athomin compound preparation for preventing and controlling wilt and verticillium wilt in cotton planting and a preparation method of the athomin compound preparation. The compound preparation is prepared from the following raw materials in percentage: 13.0 percent to 15.0 percent of athomin, 1.5 percent to 2.0 percent of cnidium lactone, 4.0 percent to 5.0 percent of antibacterial lipopeptide, 2.0 percent to 2.5 percent of eugenol, 0.5 percent to 0.7 percent of organic silicon synergist, 3.0 percent to 5.0 percent of humic acid, 0.5 percent to 1.0 percent of brassinolide, 1.0 percent to 1.5 percent of chitin oligosaccharide, 8.0 percent to 12 percent of methyl oleate, 5.0 percent to 7.0 percent of N-methyl pyrrolidone and the balance of water. According to the invention, natural components are used for leading, the degradation performance is excellent, the problem of damage of a chemical bactericide to soil ecology is overcome, the influence of diseases is effectively relieved, the yield loss is reduced, the development of cotton fibers is promoted, and the cotton quality is improved. The method provides key technical support for green and sustainable production of cotton, and has remarkable economic, social and ecological benefits.

The invention provides a method for restoring soil ecology by exciting a nitrogen fixation process, which comprises the following steps: firstly, detecting feature information in soil to be restored, the feature information comprising total carbon element content, total nitrogen element content and available phosphorus content; then under the condition that at least one of the characteristic elements does not meet the excitation nitrogen fixation process, excitation elements are added into the to-be-recovered soil, and the excitation elements comprise the nitrogen element, the phosphorus element and the potassium element. Wherein the conditions of the nitrogen fixation process are as follows: the content of total carbon element is 9-15g / kg, the content of total nitrogen element is 0.4-1.0 g / kg, and the content of available phosphorus is 10-30mg / kg.

The invention provides a physical-biological synergistic ecological prevention and control method for pseudoxanthium sibiricum, and relates to the technical field of plant prevention and control. The invention discloses a method for physically-biologically synergistically and ecologically preventing and controlling pseudoxanthium sibiricum. The method comprises the following steps: sowing alfalfa seeds in a plot where the pseudoxanthium sibiricum occurs in the first ten days of April; when the pseudoxanthium sibiricum plants are in a seedling stage to a vegetative growth stage, cradling is carried out; when the pseudoxanthium sibiricum plant enters a squaring stage, mowing close to the ground is carried out. The method not only has a relatively high prevention and treatment effect on the pseudoxanthium sibiricum, but also is high in working efficiency and simple and convenient to operate; the method is environment-friendly and has no adverse effect on non-target plants and soil ecology; the method has a remarkable economic value and ecological benefit synergistic effect.