105 results about "Microbial diversity" patented technology

The invention discloses a rapid restoration method for degraded grassland based on a microbial agent. The microbial agent is formed by compounding 15-30 parts of a nitrogen-fixing microbial agent, 10-20 parts of a phosphate-solubilizing microbial agent, 8-15 parts of a plant growth-promoting microbial agent, 25-40 parts of a humic acid carrier, 3-8 parts of an embedding agent sodium alginate and 5-12 parts of a nutritional agent molasses. Wherein the nitrogen-fixing bacteria are azotobacter chroococcum and alfalfa rhizobium (the viable count is greater than or equal to 5 * 10 < 9 > CFU / g), the phosphate solubilizing bacteria are bacillus megatherium (the viable count is greater than or equal to 1 * 10 < 10 > CFU / g), and the growth-promoting bacteria are bacillus subtilis and pseudomonas fluorescens (the viable count is greater than or equal to 2 * 10 < 10 > CFU / g). The microbial inoculum is subjected to activation, carrier adsorption, sodium alginate embedding granulation and CaCl2 cross-linking processes to be prepared into slow-release particles of 1-3 mm. 200-250 kg of organic fertilizer is applied to each hectare in a mild area, 300-400 kg of organic fertilizer is applied to each hectare in a moderate and severe area, and leymus chinensis and wheatgrass are sown in a mixed mode. After 90 days of application, the vegetation coverage is improved by 40% or above, the soil organic matter is increased by 25-40%, the microbial diversity index is larger than or equal to 3.5, and the comprehensive remediation cost is reduced by 53%.

The invention belongs to the technical field of microorganisms, and relates to a sphingomonas sp. Strain with a soil reclamation fertilizing effect, which is preserved in China General Microbiological Culture Collection Center on October 17, 2024 with a preservation number of CGMCC No.32244. The strain has the capabilities of nitrogen fixation, phosphate solubilization, potassium solubilization and growth promotion, can also significantly promote straw decomposition and nutrient release, and has the advantages of high efficiency, high yield, high yield and the like. When being used in reclamation soil in a coal mine area, the fertilizer can improve the crop yield, effectively and remarkably increase the number of soil microorganisms, change the community structure of the soil microorganisms, improve the diversity of the soil microorganisms and accelerate the recovery of soil microbial communities, and can be widely applied to improvement of the fertility of the reclamation soil in the coal mine area.

The invention relates to a microbial agent for preventing and treating the root knot nematode disease of angelica sinensis and application of the microbial agent. The microbial agent is prepared from the following components: bacillus velezensis with the preservation number of CCTCC (China Center for Type Culture Collection) No: M2022923, bacillus paraamycoides with the preservation number of CCTCC No: M2022924, a szechwan Chinaberry fruit extract, amino-oligosaccharin, fulvic acid and a medium trace element fertilizer. When the microbial agent is used in the angelica sinensis planting process, the root activity, the root enzyme activity, the plant enzyme activity and the proline content can be remarkably improved, and the nematode resistance of crops is improved; the pH, medium trace elements, enzyme activity and microbial diversity index in the soil are remarkably improved, the phenolic acid content of the soil is remarkably reduced, and the soil environment is improved; the Chinese angelica root-knot nematode disease prevention and treatment method has the advantages that the Chinese angelica root-knot nematode disease prevention and treatment effect is obvious, and the Chinese angelica root-knot nematode disease prevention and treatment method has a wide application prospect. The Chinese angelica root-knot nematode disease prevention and treatment method can be used for preventing and treating the Chinese angelica root-knot nematode disease and preventing and treating the Chinese angelica root-knot nematode disease.

The invention discloses a research method for researching an influence mechanism of high-fat diet on old-age health by using a mouse model, which comprises the following steps: S1, constructing a high-fat diet-induced mouse model: from normal diet feeding of mice to an old mouse stage, dividing the mice into two groups, and respectively performing high-fat diet feeding and normal diet feeding; s2, detecting physiological and functional indexes of the mice in the high-fat diet feeding group and the normal diet feeding group; s3, microbial diversity analysis: performing 16S rRNA sequencing to analyze the community structure of the intestinal microbiota of the mouse; s4, carrying out non-targeted metabonomics analysis: S4.1, carrying out intestinal tract non-targeted metabonomics sequencing; s4.2, carrying out non-targeted metabonomics sequencing on the liver tissues; s5, carrying out transcriptomics analysis; s6, performing conjoint analysis: performing the conjoint analysis on every two results of transcriptomics analysis, non-targeted metabonomics analysis and microbial diversity analysis; and S7, evaluating the influence of the high-fat diet on the health of the old rats by using the data obtained through analysis.

The invention provides a composite standard substance aiming at animal pathogenic microorganisms and a preparation method and application thereof, the composite standard substance comprises microorganisms, and the microorganisms specifically comprise more than one bacteria, more than one fungi, more than one prokaryote, more than one protist and more than one virus. The pathogen classification family, genus and species of each microorganism in the composite standard substance are different; the nucleic acid concentration of any virus in the composite standard substance is greater than or equal to the nucleic acid concentration of any pathogenic microorganism in the non-virus microorganisms. The microorganisms in the composite standard substance cover five boundary classes of bacteria, fungi, prokaryotes, protists and viruses, and can meet quantitative / qualitative analysis or metagenome sequencing requirements of animal clinical pathogenic microorganism diversity; moreover, the composite standard substance disclosed by the invention is beneficial to ensuring that virus and non-virus microorganisms can be detected in one-time detection, and the possibility of false negative phenomenon when the total nucleic acid concentration of a sample is too low is reduced.

The invention relates to the technical field of bioinformatics and medical artificial intelligence data processing, in particular to a colorectal cancer risk assessment system based on intestinal microbiological diversity, which comprises a multi-modal time sequence data acquisition module, a multi-modal time sequence data acquisition module, a target object microbiome time sequence feature data acquisition module and a target object microbiome time sequence feature data acquisition module, obtaining current medical resource load state parameters; the compliance entropy calculation module is used for resolving longitudinal compliance entropy representing the data uploading continuity willingness of the target object; the artifact interference identification module is used for generating a physiological disturbance probability value and a denoised pathological evolution feature vector; the double-constraint risk assessment module is used for calculating an initial pathological risk index of the target object; the dynamic decision scheduling module is used for determining a final dynamic intervention strategy for the target object; according to the method, the false positive and false alarm rate is remarkably reduced, and the technical pain point that real pathological evolution and environmental interference are difficult to distinguish by a traditional method is solved.

The invention relates to the technical field of soil microorganism analysis, in particular to a soil microorganism monitoring management system based on big data analysis, which comprises a soil data acquisition module used for acquiring soil environment information of a soil monitoring area in real time and also used for periodically acquiring microflora information in soil and soil ammonia nitrogen content; the soil environment analysis module is used for analyzing soil environment characteristics and soil environment types; the community information analysis module is used for analyzing microorganism diversity characteristics and community abundance types; the soil nutrient analysis module is used for analyzing the nutrient correlation characteristics; the soil comprehensive analysis module is used for analyzing the comprehensive characteristics of the soil; and the data type analysis module is used for judging the data type of the soil microorganisms according to the comprehensive characteristics of the soil and outputting the data type of the soil microorganisms to a user. According to the invention, accurate monitoring of soil microorganism data is realized.

The invention belongs to the technical field of agricultural soil conditioners, and particularly relates to a soil conditioner, a preparation method and application. The invention provides a soil conditioner. The soil conditioner comprises fermented sludge, modified bentonite and lignosulfonate, the mass ratio of the fermented sludge to the modified bentonite to the lignosulfonate is (6-8): (2-3): (1-3). When the soil conditioner is applied to saline alkali soil, the pH value of the soil can be reduced, the organic matter content of the soil can be increased, the microbial diversity index (Shannon index) of the soil can be increased, and heavy metal in the soil can be passivated; meanwhile, the soil conductivity value is reduced. Compared with a traditional lime improvement method, the soil conditioner can avoid the risk of secondary alkalization and is good in application effect.

The invention discloses a red soil dry land soil microbial diversity detection method based on multicolor developing test paper, and belongs to the technical field of soil environment microbial detection. According to the method, test paper loaded with different color developing agents is designed, a specific color developing reaction is triggered by combining microbial metabolic activity, and color developing characteristics are converted into parameters such as microbial diversity indexes and dominant species proportions by utilizing an image analysis model. The detection device comprises an image acquisition module and a data analysis module, and quantitative association of color development features and diversity is realized through a machine learning model. Compared with the prior art, the method has the advantages that the cost is extremely low, the detection time is shortened to be within 30 minutes, the method is suitable for field real-time monitoring of the red soil dry land, an efficient, low-cost and portable detection tool is provided for soil health management, and the method is particularly suitable for soil health assessment of resource-limited areas.

The invention discloses a composition for synergistically regulating intestinal flora and application thereof. The composition comprises the following components in parts by weight: 10-80 parts of a cordyceps militaris extract, 2-40 parts of quercetin, 5-50 parts of prebiotics and 5-80 parts of nucleotide. The compositions provided by the invention supplement each other, have a synergistic effect, are compounded according to a scientific proportion, can improve the diversity of intestinal microorganisms of mice and the abundance of species, and can significantly improve intestinal inflammation symptoms in a mouse colitis model.

The invention discloses application of thiamine in preparation of a product for treating subclinical ketosis of dairy cows, and belongs to the field of biological medicines. Tests prove that compared with dairy cows suffering from subclinical ketosis (SCK), by adding thiamine, the content of beta-hydroxybutyric acid (BHBA), the number of bacteria in milk and the number of somatic cells can be remarkably reduced, and the milk yield, the milk fat content, the acetic acid content and the A / P ratio are remarkably increased; the microbial diversity of rumen and excrement of the dairy cow can be adjusted; a metabonomics result shows that metabolite up-regulated after the thiamine is added mainly focuses on pyruvic acid metabolism, glycolysis or gluconeogenesis, tyrosine metabolism, glycerophospholipid metabolism and biosynthetic pathways of phenylalanine, tyrosine and tryptophan. The conclusion is that when thiamine is added into the SCK dairy cow, synthesis and catabolism of BHBA of an organism can be effectively regulated and controlled by adjusting the content of succinyl-coenzyme A, then subclinical ketosis is relieved, rumen fermentation is promoted, and therefore the milk yield and the milk quality are improved.

The invention discloses a microbial composition for preventing and treating vomitoxin as well as a preparation method and application of the microbial composition. The microbial composition for preventing and treating vomitoxin is mainly prepared by mixing a component I and a component II according to a mass ratio of (50.0-0.1): (50.0-99.9), the component I comprises trichoderma harzianum powder, trichoderma asperellum powder and penicillium bayi powder; and the component II comprises potassium phosphite, alkene potassium phosphate and potassium tripolyphosphate. The preparation method comprises the following steps: adding the component I and the component II into a stirrer, and stirring and mixing to obtain the coating. The invention also discloses an application of the microbial composition for preventing and treating vomitoxin. The microbial composition disclosed by the invention can generate metabolites with a biocontrol effect, has efficient inhibitory activity on fusarium, can reduce generation of vomitoxin, can effectively regulate diversity of soil microorganisms, realizes crop yield increase and soil improvement, and is green and environment-friendly. The method and application are simple, the cost is low, and the method is suitable for agricultural application.

The invention relates to the field of soil microorganism sampling, and discloses an alpine region soil microorganism diversity in-situ stratified sampler which comprises a fixed seat, a multi-layer drilling mechanism is arranged on the surface of the fixed seat, the multi-layer drilling mechanism comprises a motor, an output shaft of the motor is fixedly connected with a gear, and the output shaft of the motor is fixedly connected with the gear. The center of the fixing base penetrates through and is rotationally connected with a rotating disc, and the center of the top end of the rotating disc is fixedly connected with an electric hydraulic rod. According to the invention, the motor drives the gear to mesh with the tooth block to drive the turntable to rotate, and cooperates with the electric hydraulic rod to push the drilling rod to rotate and move downwards to break through the frozen soil hardness limit; the interior of the drilling rod is divided into independent cavities through multiple sets of inclined partition plates in the drilling rod, a rotating handle can be driven through bevel gears a and b to drive a fixing sleeve and a sliding auger rod to operate, meanwhile, a protruding rod of the drilling sleeve slides along an annular groove of a feeding port, the auger rod is pushed to extend, and soil with different depths is accurately conveyed to the corresponding partition cavities.

A kind of microplastic toxicity exposure risk evaluation method for fish with wild grass carp as sample, the present application relates to the field of microplastic toxicity exposure risk evaluation, specifically relates to a kind of microplastic toxicity exposure risk evaluation method for fish with wild grass carp as sample.The present application is to solve the problem that the existing evaluation method is single, cannot comprehensively and accurately evaluate the toxicity exposure risk of microplastic to fish.Method: I, set experimental group;II, input wild grass carp to experimental group, record body length and weight;III, feed cultivation, respectively add corresponding microplastic particles, the control group does not add microplastic particles;IV, combine the weight change of wild grass carp, body length change, feeding rate, mortality and intestinal microbial diversity index for calculation;The higher the value of comprehensive index R, the higher the toxicity risk of microplastic to fish is evaluated.The present application is used to evaluate the toxicity exposure risk of microplastic to fish with wild grass carp as sample.

The invention belongs to the technical field of tobacco cultivation, and provides a tobacco quality-improving and efficiency-improving fertilization combination, a cordate houttuynia relay intercropping mode and a cordate houttuynia relay intercropping method.The tobacco quality-improving and efficiency-improving fertilization combination comprises a tobacco special fertilizer, a cake fertilizer and a microbial agent which have a synergistic effect so as to improve the tobacco planting soil micro-ecological environment and improve the tobacco quality and economic benefits; the microbial agent has the functions of improving the diversity of rhizosphere soil microorganisms and optimizing the community structure; the tobacco planting soil micro-ecological environment can be comprehensively improved, the agronomic characters, appearance quality and economic benefits of tobacco leaves are remarkably improved, the fertilizer utilization rate is increased, beneficial microorganisms are enriched, and effective technical support is provided for green and sustainable development of the tobacco industry.

This application relates to the field of topsoil quality testing technology, specifically to a method, system, device, and equipment for testing topsoil quality in power transmission and transformation projects. The method includes: collecting topsoil data from mixed soil samples at different depths in various research plots and standard topsoil data from standard mixed soil samples; obtaining comprehensive nutrient indices and comprehensive microbial diversity indices at the same depth for each research plot, as well as the average coupling characteristic value of the research plot; determining nutrient remediation factors and microbial remediation factors for the research plots, and constructing topsoil remediation factors; and determining the topsoil quality testing results for the power transmission and transformation projects in the research plots based on all topsoil data, average coupling characteristic values, and topsoil remediation factors. This application can improve the quality of topsoil quality testing in power transmission and transformation projects.

The invention belongs to the field of microorganisms, and particularly discloses an efficient phosphate-solubilizing bacillus J2 strain and application thereof in coal gangue remediation. The efficient phosphate-solubilizing bacillus J2 strain is obtained through screening according to microbial diversity and driving factors of various groups of coal gangue, and it is identified that a plurality of growth-promoting and stress-resistance-related functional genes exist in a J2 strain genome through whole genome sequencing, strain physicochemical property analysis and potting experiments. And the J2 strain and the interaction plant system thereof are further applied to an ecological restoration experiment base of the Shaoguan river coal gangue mining area ruins, so that the regreening of the to-be-restored area is successfully realized.

The invention provides a process for repairing polluted soil by using a tylosin waste liquid fertilizer, and belongs to the technical field of fertilizer preparation. The invention discloses a method for repairing polluted soil by using a liquid fertilizer prepared from a tylosin waste liquid, which comprises the following steps: mixing a tylosin fermentation waste liquid with plant fiber straw powder, and carrying out pretreatment; carrying out steam explosion treatment on the pretreated material to obtain a pretreated material; adding auxiliary nutritional raw materials and returned materials into the pretreated material, and adding a compound microbial agent for decomposing and fermenting to obtain a fermented material. According to the process for preparing the liquid fertilizer from the tylosin fermentation waste liquid to repair the polluted soil, the residual quantity of the tylosin is effectively reduced, and the prepared liquid fertilizer has a remarkable soil repairing effect and can greatly improve the microbial diversity, the enzymatic activity, the organic matter content and the cation exchange capacity of the soil, so that the crop yield is improved.

The invention provides a method for evaluating the influence of fermentation beds of different pretreated corn straws on padding flora. According to the method, pretreated corn straw is divided into a control group Con, a hydro-thermal treatment group HT and a Fenton treatment group FeZ, the influence of fermentation conditions with the pretreated corn straw as padding on fermentation bed flora is researched, and an efficient bacterium source is provided for rapid degradation of feces in the subsequent goose breeding process. Experimental results show that although the diversity of the flora of the fermentation bed is not obviously changed by the corn straws subjected to different pre-treatments, the degradation efficiency of the fermentation bed is improved by the hydrothermal and Fenton pre-treatments through enrichment of functional bacteria.

The invention discloses a method for comparing the application amounts of rice production fertilizers in different farming modes. The method comprises the following steps: investigating and surveying according to different crop rotation modes and planting modes of rice before planting the rice; collecting soil samples of the investigated and researched paddy field, and then measuring the soil properties of the soil samples; the method comprises the following steps: after harvesting rice, taking a soil sample, removing plant root impurities from the soil sample, airing, airing the soil sample to a constant weight, grinding and crushing the sample, uniformly mixing, taking the sample, and sieving; measuring the pH value and EC value of the soil sample; determining the soil volume weight when the soil volume is constant; determining the total carbon, total nitrogen and organic matter content of the sieved soil sample; determining the content of soil quick-acting phosphorus and the content of soil quick-acting potassium; analyzing by a microbial diversity analysis method; according to the method, the application amount of the fertilizer is reduced in a crop rotation planting and ecological planting mode, the ecological environment is protected while the yield is stabilized and the efficiency is improved, and balance of a farmland ecological system and sustainable production of crops are maintained.

The present invention relates to a microbial agent for preventing and treating angelica root knot nematode disease and application thereof. The microbial agent comprises the following components: Bacillus velezine with a preservation number of CCTCC No: M2022923 ( Bacillus velezensis ), Bacillus mycoides with a deposit number of CCTCC No: M2022924 ( Bacillus Paramycoid ), Toosendan extract, amino oligosaccharides, fulvic acid and trace element fertilizers. The microbial agent can significantly improve root vitality, root enzyme activity and plant enzyme activity and proline content in the process of Angelica sinensis planting, improve crop resistance to nematodes; significantly increase soil pH, trace elements, enzyme activity and microbial diversity index, significantly reduce soil phenolic acid content, improve soil environment; and significantly reduce southern root-knot nematodes ( Meloidogyne incognita ) The number of second-instar larvae and the disease index can be reduced, and the nematode reduction rate can be increased. It has a significant effect on the prevention and control of southern root-knot nematode disease of Angelica sinensis and has broad application prospects.

This invention provides a nitrogen and phosphorus wastewater treatment system and method. The system includes a pre-anoxic tank, an inclined plate sedimentation tank, an anaerobic tank, an anoxic tank, a homogenization reaction tank, a synergistic oxidation tank, and a storage tank. The storage tank is connected to the homogenization reaction tank via a material transport pipeline, and the homogenization reaction tank is equipped with a stirring group. The storage tank contains a carbon-based composite material with a surface loaded with manganese oxides and magnesium oxides. The carbon-based composite material is added to the homogenization reaction tank through the material transport pipeline, and stirring ensures uniform mixing of the material and the mixed liquid, achieving homogenization and adhesion, and enhancing the subsequent synergistic oxidation effect. The carbon-based composite material provides a reaction interface for microorganisms, organic matter, and sludge, increasing microbial diversity and enabling synergistic oxidation with microorganisms to improve the degradation efficiency of nitrogen and phosphorus pollutants. This invention has a simple structure, does not require continuous aerobic aeration, and has advantages such as small footprint, short hydraulic retention time, low operating energy consumption, continuous influent and effluent, and high nitrogen and phosphorus pollutant removal efficiency.

The invention belongs to the technical field of microorganisms, and relates to a microbial diversity-based evaluation method of a Maotai-flavor liquor spreading, airing and yeast mixing process and application of the microbial diversity-based evaluation method. According to the method disclosed by the invention, a relationship is established between stacking fermentation and a yeast spreading and mixing process at the front end of stacking fermentation, and fermented grain microorganisms in a stacking fermentation link are associated with fermented grain microorganisms after spreading and mixing yeast, so that the method for evaluating different yeast spreading and mixing processes based on microbial diversity is formed; and optimization of a yeast spreading, airing and mixing process in the actual production of the Maotai-flavor liquor is facilitated.

This invention provides the application of *Bifidobacterium breve* in the preparation of products for treating gastric ulcers and gastric inflammation caused by *Helicobacter pylori*, belonging to the field of microbial technology. The *Bifidobacterium breve* NKU BB1-2 of this invention, with accession number GDMCC NO: 65956, can antagonize *Helicobacter pylori* colonization and alleviate the aggravation of gastric ulcers caused by *Helicobacter pylori*. In vitro, *Bifidobacterium breve* NKU BB1-2 exhibits good antagonistic ability against *Helicobacter pylori*, significantly inhibiting its colonization and growth. Animal experiments show that *Bifidobacterium breve* NKU BB1-2 can alleviate the aggravation of gastric ulcers caused by *Helicobacter pylori* infection in vivo, manifested as reduced gastric mucosal damage, reduced gastric inflammation, and increased gastric pH. Furthermore, *Bifidobacterium breve* NKU BB1-2 can significantly enhance gastric microbial diversity, regulate and improve the gastric microbial structure, and assist in antagonizing and eradicating *Helicobacter pylori* infection.

The invention provides a sludge carbon-based bioelectrochemical constructed wetland for enhancing sewage denitrification. The sludge carbon-based bioelectrochemical constructed wetland comprises a wetland reactor and a circuit connecting device, the wetland reactor comprises a wetland pool as well as a water distribution layer, a lower filter material layer, an anode layer, an upper filter material layer and a cathode layer which are sequentially arranged in the wetland pool from bottom to top; the circuit connecting device comprises a power supply device and an adjustable resistor electrically connected with the power supply device; the adjustable resistor is respectively and electrically connected with the anode layer and the cathode layer through conductive wires; wherein the anode layer and the cathode layer are sludge biochar coated by a conductive metal net; the adjustable resistor is electrically connected with the conductive metal nets in the anode layer and the cathode layer through conductive wires respectively; the bioelectrochemistry-constructed wetland is coupled with the sludge biochar, and the biocompatibility and catalytic characteristics of the sludge biochar are utilized, so that the diversity and activity of microorganisms in an anode region are effectively improved, and the reduction effect of a cathode region on anions is promoted, thereby improving the removal effect on total nitrogen.

The invention discloses a method and system for predicting forest carbon sequestration potential based on a soil quality index, and the method comprises the steps: continuously checking mixed forest sample plot data based on forest resources, employing quantile age sequence analysis, and distinguishing a high-quality forest sample plot from a low-quality forest sample plot according to the preset average aboveground carbon sequestration rate of forest sample plots in a forest time sequence. Respectively collecting high-quality and low-quality forest soil samples in the high-quality forest sample plot and the low-quality forest sample plot; detecting chemical component data of the high-quality and low-quality forest soil samples, selecting a soil quality evaluation minimum data set according to the chemical component data and the microbial diversity indexes, establishing a soil quality index model, and calculating soil quality indexes of the high-quality and low-quality forest soil samples; and performing regression analysis on the soil quality index and the carbon sequestration potential, and predicting the carbon sequestration potential according to the soil quality index. According to the method, the influence of the soil quality on the forest carbon sequestration potential is determined, and the forest carbon sequestration capacity is rapidly evaluated.

To provide a method and device that can maintain indoor microbial diversity in a simple manner.SOLUTION: Provided is a method for maintaining indoor microbial diversity, comprising spraying, indoors, a liquid composition containing Firmicutes bacteria that are nonpathogenic to humans and animals. Also provided is a method for maintaining indoor microbial diversity, comprising spraying, after spraying a disinfecting composition or a disinfecting gas, a liquid composition containing Firmicutes bacteria that are nonpathogenic to humans and animals.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of soil improvement, and relates to an enhanced double-layer coated nano mineral soil conditioner and a preparation method thereof.The preparation method specifically comprises the steps that nano minerals and natural polymer materials are mixed in a reaction system according to the mass ratio, and a core-shell material is formed; and mixing and stirring the core-shell material and the polymer hydrogel, and drying to obtain the double-layer coated soil conditioner. According to the conditioner, through dual modification of natural polymers and hydrogel, agglomeration and inactivation of nano minerals are effectively prevented, and the dispersity and long-term stability of the conditioner in soil are improved. Meanwhile, the porous light structure can improve the granular structure, water binding capacity and porosity of soil, promote microbial diversity and achieve synergistic interaction of carbon sequestration and soil improvement, the raw materials are environmentally friendly, the preparation process is mild, universality is high, the slow release characteristic is achieved, the content of organic matter in soil and the crop yield can be remarkably increased, and the application prospect is wide. The method is suitable for agricultural soil improvement and carbon sequestration and sink increase.

The invention discloses a low-yield field soil ecological restoration effect evaluation system, and belongs to the technical field of agricultural informatization and ecological restoration. Relates to a multi-source data automatic acquisition, intelligent fusion analysis and dynamic visualization technology. According to the system, multi-dimensional indexes such as soil physicochemical properties, microbial diversity and crop growth states can be comprehensively obtained, comprehensive analysis is carried out based on big data and an artificial intelligence algorithm, and scientific and dynamic evaluation of the ecological restoration effect is achieved. By integrating a decision support function and a visual human-computer interaction interface, the system provides an accurate basis for optimization and management of low-yield field soil remediation measures, the scientificity and management efficiency of remediation effect judgment are improved, and agricultural sustainable development and farmland quality improvement are promoted.

The present invention discloses a method for repairing soil contaminated by electrolytic manganese slag by inoculating white rot fungi, comprising the following steps: mixing biomass and soil contaminated by electrolytic manganese slag to obtain compost raw materials; inoculating white rot fungi in the compost raw materials to obtain a pile; composting and fermenting the pile to obtain compost mature material, thereby completing the repair of soil contaminated by electrolytic manganese slag. The present invention effectively reduces the leaching amount of heavy metal manganese by inoculating white rot fungi, effectively reduces the mobility and bioavailability of heavy metal manganese, effectively changes the structure of microbial communities, increases the number and diversity of microorganisms, improves the seed germination index, and realizes the repair of soil in contaminated sites. It has the advantages of quickly starting composting repair, effectively reducing the leaching amount of heavy metal manganese, reducing the mobility and bioavailability of heavy metal manganese, increasing microbial diversity and community abundance, and improving the seed germination index.