25 results about "Soil ecology" patented technology

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 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.

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 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.

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.

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.

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 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.

The invention relates to the field of soil prevention and control, and discloses a prevention and control device for forestry soil diseases and insect pests, which comprises a vehicle plate, a hydraulic cylinder is fixedly mounted at the center of the top of the vehicle plate, and the output shaft end of the hydraulic cylinder penetrates through the vehicle plate and is fixedly provided with a lifting plate; and a heating deinsectization mechanism for killing pathogenic bacteria, pests and eggs in the soil is arranged at the bottom of the lifting plate. Compared with the prior art, the device has the following advantages and effects that the operation process of forest tree seedling raising soil crushing, heating deinsectization, cooling, microbial remediation and film covering moisturizing can be achieved, the operation efficiency of forest tree soil pest control is improved, and the efficiency and effect of killing pathogenic bacteria, pests and worm eggs in soil are improved; and the microbial agent solution is uniformly spread to the heated and deinsectized soil to supplement microbial flora, so that dominant flora can be formed in the soil, the recurrence of harmful organisms is inhibited, the soil ecology is restored, the fertility is improved, and a guarantee is provided for subsequent forest seedling culture.

The utility model relates to an ecological restoration type landscape construction device for a small rural watershed, which belongs to the technical field of ecological restoration devices and comprises planting modules for constructing plant landscapes on two sides of the small rural watershed and two primary pipes, a water inlet pipe is arranged on one primary pipe, and a water outlet pipe is arranged on the other primary pipe. The water inlet pipe and the water outlet pipe are both communicated with the small rural watershed, the multiple planting modules are evenly arranged between the two first-stage pipes, and the two ends of each planting module are communicated with the two first-stage pipes respectively. According to the ecological restoration type landscape construction device for the small rural watershed, the effect of positioning soil around plants can be achieved during water flow scouring, water can be accurately supplemented to all planting areas during water shortage, a stable growth environment is provided for landscape plants, plant root systems can gradually take roots in deep soil, and the ecological restoration type landscape construction device for the small rural watershed has the advantages that the ecological restoration type landscape construction device is simple in structure and convenient to use. Therefore, the effects of reinforcing the soil layer structure and repairing the soil ecology are achieved.

The utility model discloses a green mine soil remediation device which comprises a protective outer cover, a plurality of connecting pieces used for being connected with a traction device are integrally arranged on one side of the upper surface of the protective outer cover, a soil turning cutter is rotationally installed between the inner walls of the two ends of the protective outer cover, and a remediation liquid spraying assembly is arranged on one side of the soil turning cutter. A metal separation assembly is arranged on the outer wall of one side of the protective outer cover, the metal separation assembly comprises a lifting plate, the lifting plate is connected with a lifting mechanism, a plurality of electromagnetic rods are fixedly installed on the surface of the bottom of the lifting plate, and magnetically-attracted metal substances in soil can be accurately adsorbed and separated by arranging the metal separation assembly. The metal content in the soil is reduced, the problem that the soil ecology is damaged by heavy metal can be solved to a certain extent, and the soil remediation quality and effect are improved.

This invention relates to a sulfate-reducing bacterium with phosphorus-solubilizing ability and its application in soil ecological restoration, belonging to the field of soil environmental microbiology technology. The sulfate-reducing bacterium described in this invention is *Desulfosporosinus* sp. QY25, which was deposited at the Guangdong Provincial Microbial Culture Collection Center on August 6, 2024, with accession number GDMCC No: 64963. This invention provides a sulfate-reducing bacterium, *Desulfosporosinus* sp. QY25, with strong dissimilatory sulfate-reducing ability, capable of converting insoluble phosphorus in the soil into soluble phosphorus that can be absorbed by plants. This strain can restore soil ecology, neutralize pH, and reduce SO4 levels. 2‑ It reduces the content of heavy metals, decreases their bioavailability, improves soil phosphorus utilization efficiency, and enhances tailings acid phosphatase activity, thus promoting healthy plant growth.

This invention provides a method for cultivating jackfruit resistant to rust spot disease, comprising the following steps: Step 1, water and fertilizer management; Step 2, canopy shaping and pruning; Step 3, topdressing management; Step 4, rust spot disease prevention and control; Step 5, fruit management; and Step 6, harvesting and post-harvest management. In Step 1, the invention applies a specially formulated composite substrate to improve the soil ecology from the root level, inhibit soil-borne pathogens, induce plant resistance, and enhance tree health. During the critical period of disease infection, in Step 4, a protective agent composed of chitosan, horsetail fermentation liquid, and compound microbial fermentation liquid is sprayed. This agent integrates physical barriers (chitosan membrane), physiological enhancement (horsetail active silicon), and biological antagonism (beneficial microorganisms) to form a dynamic protective layer. Through multi-dimensional intervention combining symptomatic and root-cause treatment with prevention as the primary focus, the invention effectively prevents and controls the occurrence and damage of rust spot disease, achieving a long-lasting and stable control effect.

The invention discloses an intelligent weeding method and system based on a deep learning algorithm, and relates to the technical field of laser weeding, and the method comprises the steps: data collection, analysis, laser adjustment, synchronous collection of multispectral images, thermal imaging images and surface temperature data, and fusion of spectral reflection characteristics and thermal radiation characteristics of vegetation. Through analysis of the environment average temperature and the vegetation spectral index, according to real-time illumination and temperature conditions, the contribution proportion of the spectral features and the thermal features in the fusion process is adjusted, the sensing blind area of a single sensor under strong light, shadow or dust fog is overcome, and meanwhile in combination with laser irradiation parameters generated based on weed information and land surface temperature data, the detection accuracy is improved. And the minimum and sufficient inactivation energy of each weed is analyzed through an ecological energy analysis formula, the balanced energy release is realized according to whether the soil temperature exceeds an ecological protection threshold value or not, and the energy consumption is minimized and the potential thermal shock to the soil ecology is reduced on the premise of ensuring the weeding effect.