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37 results about "Soil animal" patented technology

Soil condition is very important to animals for many reasons. These larger animals depend on soil for protection. The soil protects them from weather and predators. One special animal that is commonly found in the soil is earthworms.

Field miniature PVC litter decomposition experiment ring

The invention discloses a field miniature PVC litter decomposition experiment ring which comprises a miniature ring structure, observation opening structures are oppositely formed in the outer surface of the miniature ring structure, a nylon net structure with the pore diameter of 5 mm is glued in an inner cavity of one observation opening structure, a nylon net structure with the pore diameter of 50 microns is glued in the other observation opening structure, and the inner cavity of the other observation opening structure is glued with a nylon net structure with the pore diameter of 50 microns. The top of the outer ring of the miniature ring structure is sleeved with a disassembly and assembly ring, and a cover net structure which is in a stretched state and has the aperture of 50 micrometers is glued to the top of the disassembly and assembly ring. Firstly, the influence of microenvironment interference and physical limitation in the litter decomposition process is solved, and the situation that the decomposition rate deviates from a true value due to litter compaction and rainfall erosion in the environment is avoided; secondly, the problem that a litter mesh bag method changes the feeding preference of soil animals is solved, it is ensured that the decomposition behavior is consistent with the natural state, and finally, due to the fact that the decomposition process is protected by the miniature environment, the influence of human factors and large animals is avoided.
Owner:QIQIHAR UNIVERSITY

Composition and application thereof in ecological restoration

The invention provides a composition and application thereof in ecological restoration, and the composition is granular and is prepared from glume of corncob, polyvinyl alcohol, sodium bentonite and water. The composition can keep soil moisture and improve the soil structure, the raw materials are biomass materials, water retention is achieved, food sources can be provided for microorganisms and soil animals in soil, microcirculation of moisture and soil organisms is formed around the composition, the soil organisms can further increase nutrients in the soil, and the soil quality is improved. Soil carbon-solid continuous increase of soil organic matters and aggregates is realized, and the method has great significance on ecological restoration.
Owner:HEBEI UNIVERSITY

In-situ soil living small animal layering detection investigation method and device

The application discloses an in-situ soil living small animal layered detection investigation method and device, adopts an in-situ soil living small animal layered instance segmentation device, automatically collects multi-modal hyperspectral imaging data of layered soil samples, and utilizes a soil animal 3D convolution instance segmentation deep network model to perform pixel instance segmentation on the multi-modal hyperspectral imaging data, independently identifies the types and instance individual numbers of small animals in each layer of soil, and further calculates the types, instance individual numbers, densities of small animals in the in-situ overall soil sample, and the longitudinal distribution of small animals in the soil. The application breaks through the limitations of traditional soil ecological research, avoids the low efficiency and large error of mechanical soil digging, manual selection and insect trapping and other methods, and provides a fast and accurate soil animal detection technology. The technology provides reliable data support for soil ecological research and agricultural management, and is an advanced tool for soil health management and sustainable agricultural development.
Owner:ZHEJIANG UNIV

Method for quantifying density of surface soil habitat soil arthropods based on trap method

PendingCN122030338AAnimal husbandrySoil ecologySoil science
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.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S

Construction method and device of animal original image library, equipment, medium and product

The invention discloses an animal original image library construction method and device, equipment, a medium and a product, and relates to the field of pictures, and the method comprises the steps: obtaining a specimen set corresponding to each species in a target class group; the specimen set corresponding to the species comprises specimens of the species collected in various places in various habitats; the target class group is a medium-sized soil animal, a small-sized soil animal, a large-sized soil animal or an arthropod; for any one specimen, respectively obtaining pictures of the back surface, the ventral surface and the side surface of the specimen at each rotation angle, and obtaining a picture library corresponding to the specimen; and constructing the image libraries corresponding to all the specimens in the specimen set corresponding to each species in the target class group into the animal original image library. The animal original image library construction method and device can solve the defect that the image quality of an existing animal original database is poor.
Owner:NINGBO UNIV

Operation mode suitability evaluation method based on forest carbon sequestration and sink increase

The invention discloses an operation mode suitability evaluation method based on forest carbon sequestration and sink increase, and relates to the technical field of ecological protection and forest operation, and the method comprises the following steps: calculating basic dynamic light transmittance according to satellite multispectral data and soil microbial biomass carbon data of a target forest region; constructing a light inhibition compensation mechanism, and correcting soil microbial biomass carbon data through the mechanism so as to adjust a calculation result of the basic dynamic light transmittance; determining a soil animal disturbance coefficient and calculating an ecological elasticity index; and dynamically adjusting an intermediate cutting intensity value according to the index deviation proportion and generating a staged intermediate cutting scheme. According to the method, the ecological elasticity index is calculated by measuring the key ecological indexes before and after interference in real time, the original intermediate cutting strength is dynamically adjusted according to the comparison relation between the ecological elasticity index and the preset elasticity threshold value, the correction value is formed, the operation intervention strength is accurately matched with the instant bearing capacity of an ecological system, and ecological degradation caused by excessive intervention is avoided.
Owner:CHONGQING FORESTRY PLANNING & DESIGN INST

Method for measuring nutrient balance of natural grassland grazing system

PendingCN122286040AVegetationSoil science
This invention discloses a method for calculating the nutrient balance of natural grassland grazing systems, belonging to the field of agricultural ecology and grassland management technology. To address the problems of low accuracy and difficulty in guiding precise management in existing nutrient balance calculations for grazing systems, this invention divides spatial units by coupling vegetation spatial heterogeneity index and livestock utilization intensity index; determines the diet composition and deducts vegetation mechanical damage to calculate net nutrient output; constructs a spatiotemporal dynamic layer of excrement deposition; uses a soil animal promotion coefficient-corrected decomposition model to calculate effective nutrient return; and performs spatial overlay analysis of nutrient output and effective nutrient return to calculate the nutrient balance index of each spatial unit, generating decisions for rest grazing, rotational grazing, or supplemental feeding. This invention enables accurate calculation of the nutrient balance of grazing systems, providing a scientific basis for the sustainable utilization and precise management of natural grasslands.
Owner:LANZHOU UNIV

A method for treating microplastics in soil

PendingCN122099051AContaminated soil reclamationSustainable plantingBiology
The application provides a microplastic treatment method in soil, and belongs to the technical field of microplastic treatment. The treatment method is as follows: raw biochar is prepared from agricultural straw, and then is modified by hydroxylation, magnetism and carboxylation; the obtained carboxylated biochar is double-coated by chitosan, acetic acid and sodium alginate; then the obtained double-modified biochar is activated, and a covalently immobilized composite targeting enzyme agent is fixed; the surface of the obtained covalently immobilized enzyme agent is loaded with a bacterial agent suspension by atomization spraying, and is adsorbed after standing; finally, the obtained microplastic treatment agent is applied to soil in the process of plant planting for microplastic treatment. The treatment method does not need to use harmful substances such as chemical oxidants, strong acids and strong bases, has no negative effect on soil animals and microbial communities, realizes source control, in-situ repair and long-term control of microplastic pollution, and provides stable ecological guarantee for sustainable planting of facility cucumbers.
Owner:CHENGDE ACAD OF AGRI & FORESTRY

An evaluation method of farmland soil quality index based on soil animal trophic structure

PendingCN122347365ATrophic functionSoil science
The present application relates to a kind of farmland soil quality index evaluation method based on soil animal trophic structure, comprising the following steps: S1 collect the background information of large soil animals in oasis farmland of different tillage years, construct soil animal database;S2 establish large soil animal morphological identification search table and trophic function classification table;S3 to the large soil animal community of oasis farmland of different tillage years is investigated, the total number of large soil animals, the number of groups and the number of individual of each trophic group are counted, the trophic structure index of soil animal is calculated, and soil quality evaluation standard is established;S4 collects the large soil animal sample of oasis farmland of a tillage year, calculates the soil animal quality index according to the method in step S3, and determines the soil quality grade according to the established soil quality evaluation standard.The present application has the advantages of low sampling and analysis workload, simple calculation, clear ecological significance, suitable for fast evaluation of farmland soil quality.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS

Systems and methods for environmentally sound reprocessing and recycling of animal bedding for providing positive health aspects to animals and humans

The present invention provides systems and methods for the recycling of animal bedding and the disposal or reuse of manure, feces, urine or expectorant resulting from recycling animal bedding. The present invention provides systems and methods for the disposal of materials related to the recycling or repurposing of stall residual waste and / or soiled animal bedding which is environmentally conscious to aquifers, and further limiting off gassing of enteric methane and other gasses. Use of such methods create a healthier recycled bedding than existing new bedding materials. The reusable and clean animal bedding provides for a healthy, hygienic, sanitary and enhanced stall environment. The present invention further provides methods for infusing additives, enhancements or amendments to recycled animal bedding which promote the health and safety of the animals using the recycled animal bedding (or the humans in contact with the animal bedding or animals) and / or the barn environment.
Owner:CROSS PAUL

Device and estimation method for contribution of soil animals to decomposition of forest litters

The invention discloses a device and an estimation method for contribution of soil animals to decomposition of forest litter, the device comprises a net post, the top end and the bottom end of the net post are respectively provided with a net cover and a net bottom, the net cover is connected with the top of the net post through a zipper, and the net bottom is fixedly connected with the bottom of the net post; the net columns, the net cover and the net bottom are all made of nylon nets, and the diameter of net holes of the nylon nets ranges from 50 micrometers to 5 millimeters. And soil animals are arranged in the net columns. Compared with a nylon net bag method for testing the influence of soil animals on litter decomposition, a planar litter bag is changed into the three-dimensional litter decomposition column, the large three-dimensional space can reduce changes of hydrothermal conditions in the net caused by separation of a nylon net, the hydrothermal conditions in the decomposition column are closer to the nature, and the litter decomposition effect is greatly improved. Meanwhile, the net cover prevents litters in the decomposition column from flowing away and litters outside the decomposition column from entering, so that the accuracy of decomposition determination of the litters and the accuracy of determination of influence on physical and chemical properties of soil in the decomposition process are improved.
Owner:SICHUAN AGRI UNIV

A soil animal trapping device

This utility model relates to the field of soil animal technology, specifically a soil animal trapping device. The device includes a workbench with a trapping mechanism on top and an adjustment mechanism on the outside. The trapping mechanism comprises a separation shell and a lighting frame. An LED light is installed inside the lighting frame. A first collection bottle is snapped onto the outside of the separation shell, and a light-blocking cloth is installed on the outside of the first collection bottle. A separation net is fixedly connected to the inside of the separation shell, and a second collection bottle is threadedly connected to the bottom of the separation net. A degreased cotton board is installed inside the second collection bottle. An odor shell is fixedly connected to one end of both the first and second collection bottles, and a fan is installed at one end of the odor shell. This soil animal trapping device collects soil animals with different habits using the first and second collection bottles respectively, thereby facilitating the separation of immobile soil animals.
Owner:HEILONGJIANG ACAD OF FORESTRY SCI YICHUN BRANCH

An experimental device suitable for studying the processes at the soil-animal-plant interface

The present invention discloses an experimental device suitable for studying the processes at the soil-animal-plant interface, which includes a circular cover plate, a cylindrical barrel, a cylindrical mesh barrel and iron stakes. The cylindrical mesh barrel is located in the middle inside the cylindrical barrel, with a layer of nylon net closely attached to its inner wall, and the upper edges of the two barrels are kept at the same horizontal level and fixed with the circular cover plate and iron stakes. The circular cover plate is provided with plant planting holes, ventilation holes and handle insertion holes. Before planting the plants, seedlings can be first raised in the cylindrical planting sponge, and after the seedlings grow, the seedlings and the planting cotton can be inserted into the soil together. The device of the present invention can limit the activity ranges of plant roots and soil animals within a suitable soil range, while not affecting the normal activities of soil animals and effectively preventing the animals from escaping, thereby greatly increasing the contact opportunities between the soil animals and the plant roots interface. This device can also be used to study the indirect influence of the activities of soil animals on the plant interface process without contacting the roots.
Owner:ZHEJIANG UNIV

Baijiang soil modifier based on microorganism-animal interaction network and preparation method of Baijiang soil modifier

PendingCN120864932ASuperphosphatesExcrement fertilisersBiological SymbiosisNutrients substances
The invention belongs to the technical field of soil improvement, and discloses a microorganism-animal interaction network-based Baijiang soil improver, which comprises the following components: nitrogen-fixing microorganisms, phosphorus-dissolving microorganisms, potassium-dissolving microorganisms, soil animals, auxiliary microorganisms, carrier substances, nutrient substances and a conditioning agent. Compared with a traditional soil conditioner, the soil conditioner has the advantages that microorganisms and soil animals are added into the conditioner, so that a stable biological symbiotic ecological system is constructed, and the improvement of soil fertility and the improvement of plough layer properties are promoted by virtue of interaction between the soil animals and the microorganisms; meanwhile, a directed multilayer biological network analysis method is combined to construct a fertile soil multilayer biological network aiming at the Baijiang soil, key microbial nodes are identified to realize regulation and control on fertile soil microbial communities, and aiming at the characteristics that the Baijiang soil is poor in soil structure and low in available nutrient, multi-organism synergistic Baijiang soil improvement can be more efficiently realized.
Owner:SHENYANG AGRI UNIV

A set of small and medium-sized soil animal separation tools

A set of small and medium-sized soil animal separation tools belongs to the technical field of biological test equipment. The utility model discloses a handle, handle connecting part, pick conversion head and pick component, pick conversion head is detachably installed on the end of handle through handle connecting part, and pick conversion head is provided with pick component. The utility model research and development purpose is to solve the problem that the existing tools such as tweezers are easy to cause insect body damage when separating small and medium-sized soil animals, and the operation is inconvenient, the defects that the traditional tweezers clamping method is not easy to grasp, and the insect body is easy to be damaged are overcome, through the design of replaceable pick conversion head and pick component, a set of tools can efficiently and completely separate small and medium-sized soil animals such as nematodes, mites and jumping insects with different forms and sizes, and a special tool capable of keeping the insect body complete and improving the separation efficiency is provided.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Method of making and applying an acid soil conditioner

The application discloses a preparation method and an application method of an acidic soil conditioner. The method comprises the following steps: firstly, preparing a mixture of earthworm manure and earthworms; secondly, obtaining small and medium-sized soil animals; thirdly, preparing a compound microbial flora inoculum; and finally, preparing the acidic soil conditioner. The application method comprises the following steps: digging a fertilization ditch with a depth of 30-40 cm and a width of 40-50 cm in a farmland of a land plot to be applied; applying the acidic soil conditioner into the fertilization ditch; covering the fertilization ditch with thin soil; and ensuring that the distance between adjacent fertilization ditches is not more than 1 m. The application emphasizes improving the acidic soil by improving the multifunctionality of the soil ecosystem, reducing the acidic obstacle factors, and being more beneficial to the formation of the sustainable productivity of the soil, fully mobilizing the driving force of the soil organisms, and realizing the comprehensive effect of the three-in-one of reducing, inhibiting and resisting the acid.
Owner:HUAZHONG AGRI UNIV

A greenhouse planting method for oat grass in alpine pastoral areas

The application provides a method for planting oat grass in high-cold pasture areas and belongs to the technical field of pasture planting. The oat grass seeds are sowed after laying soil substrates in a greenhouse, the soil substrates comprise soil, animal manure organic fertilizer and microbial inoculants, the soil and the animal manure organic fertilizer are mixed according to a volume ratio of 1:3, and the microbial inoculants comprise phosphorus-dissolving and potassium-promoting bacteria. The application effectively improves the yield and quality of the oat grass, provides a scientific basis for greenhouse planting of the oat grass in the northern Tibetan area to improve the yield and quality, solves the problem of lack of grass for livestock, promotes the development of grass and animal husbandry, and improves the income of herdsmen.
Owner:BEIJING FORESTRY UNIVERSITY +3

Device for separating small and medium-sized soil animals

The utility model belongs to the field of soil animal separation, and provides a device for separating small and medium-sized soil animals, which comprises a construction component, a construction part and a separation part arranged on the upper side of the construction part, and the construction part comprises a separation table, a through groove formed in the separation table and a glass funnel placed in the through groove. The glass funnel is placed at the separation table through an arranged through groove, the separation piece comprises a cutting ring placed on the upper side of the glass funnel and a filter screen arranged in the cutting ring, and the separation piece further comprises an iron cylinder arranged on the outer side of the cutting ring in a sleeving mode and a circular iron sheet arranged on the upper side of the iron cylinder; through cooperative work of the construction assembly and the separation piece, small and medium-sized soil animals can be separated from a soil sample, the heating piece is used as a heat source, the temperature rise speed is high, soil is uniformly heated, and the separation rate of the soil animals is improved. The device is simple in structure, multiple samples can be separated in a single row, multiple rows of samples can be separated at the same time, and efficient separation of soil animals can be achieved.
Owner:INNER MONGOLIA NORMAL UNIVERSITY

Trap device for capturing large live soil animals

A trap device for capturing large live soil animals comprising a trapping device and a fixing mechanism. The fixing mechanism includes an upper fixing part and a lower fixing part. The lower fixing pa
Owner:SANYA RES BASE INT CENT FOR BAMBOO & RATTAN

Soil animal trapping device

The utility model relates to the technical field of soil animal trapping, in particular to a soil animal trapping device. A soil animal trapping device comprises a bottom plate, T-shaped frames, a lampshade, measuring cups, a placing assembly, a collecting assembly, a cylinder and the like, the T-shaped frames are fixedly connected to the left side and the right side of the top of the bottom plate, the lampshade is arranged between the tops of the two T-shaped frames in a sliding mode, the multiple measuring cups are placed on the top of the bottom plate at intervals, and the placing assembly used for placing a funnel and the cylinder is arranged on the top of the bottom plate. And a collecting assembly for collecting falling soil is arranged on the placing assembly. Through the combination of the collection frame and the push plate, the soil sample treatment is centralized and convenient, the working efficiency is greatly improved, meanwhile, the uniform injection of an alcohol solution into the five measuring cylinders can be easily realized by utilizing the synergistic effect of the connecting pipe, the water pump and other parts, the precious time is saved in the process, and the labor intensity of workers is reduced. And the labor intensity of workers is reduced.
Owner:FORESTRY SCI INST XIAOLONGSHAN FORESTRY EXPERIMENTAL BUREAU OF GANSU P ROVINCE +1

Bedding material separator

A separator device is provided for sifting soiled animal bedding including a separator frame having a stand and at least one wheel. The stand engages and disengages with a floor to move from a stationary position to an ambulatory position. The separator device includes a flexible member and a screen attached to the flexible member for supporting the soiled animal bedding. An actuator is attached to the screen and applies an oscillatory force to the screen. The oscillatory force causes the screen to oscillate to sift soiled animal bedding as the animal bedding is moved along the separator frame. Reusable animal bedding material falls through the screen while clumped animal manure moves toward the front of the separator frame. A container supported by the separator frame collects clumped animal manure falling off of the front edge of the screen.
Owner:CASEBEER TYLER

A method for evaluating biological effects of microplastics based on multi-level response indicators of typical soil animals

PendingCN122449112ASoil scienceEnvironmental toxicology
The application discloses a kind of microplastic biological effect evaluation methods based on typical soil animal multilevel response index, it is related to environmental toxicology evaluation and ecological technical field, by setting microplastic treatment group and control group, the multilevel response index of soil animal individual, organ, tissue, molecule level is determined, and the integrated biomarker response index method is used to calculate comprehensive effect index, and constructs microplastic effect comprehensive evaluation model.The application can realize the comprehensive evaluation of microplastic biological effect and early warning of low concentration pollution, improves the comprehensiveness and accuracy of ecological risk assessment, provides reliable technical support for soil microplastic pollution control.
Owner:EAST CHINA NORMAL UNIV

Device for measuring influence of soil animal pore channels on soil infiltration performance

The invention belongs to the technical field of permeability measuring devices. The device comprises a water storage tank which is arranged above an inner ring and an outer ring, is communicated with the inner ring through a first pipeline, and is communicated between the inner ring and the outer ring through a second pipeline; and the opening and closing control unit is connected to the first pipeline and the second pipeline and is configured to control opening and closing of the first pipeline and the second pipeline. The dyeing unit is connected to the water storage tank, and the discharging end of the dyeing unit communicates with the first pipeline so that dye in the dyeing unit can be mixed with liquid in the first pipeline. The water storage tank and the opening and closing control unit can be matched, and manual timing can be not needed through the opening and closing control unit on the basis that frequent water supplementing is not needed. In addition, in the infiltration process, dye is added into colorless water through the dyeing unit, so that the forms and infiltration characteristics of soil animal pore channels after infiltration are observed.
Owner:SHANGLUO UNIV

Picking and training device for picking and training small and medium-sized soil animals

The utility model provides a picking training device for picking training small and medium-sized soil animals, which comprises a holding rod and a picking training structure connected to the first end of the holding rod, the picking training structure comprises a fixing rod and a picking training ring, one end of the fixing rod is connected with the first end of the holding rod, and the other end of the fixing rod is connected with the picking training ring. And the other end of the fixing rod is connected with the picking and exercising ring. According to the soil animal picking and training device, the contact area of the picking and training structure and the soil animal can be increased to reduce the difficulty of picking and training the soil animal, meanwhile, the attaching stability of the picking and training structure and the soil animal in the picking and training process is effectively improved, the soil animal is prevented from falling off, time and labor are saved, meanwhile, the requirement for the operation proficiency of experimenters is reduced, and the working efficiency is improved. And due to the in-ring through hole, the mixing of the stationary liquid and the soil animal in the picking and training process can be reduced, and the adverse effect of the stationary liquid on the subsequent operation of the soil animal under the microscope is prevented.
Owner:SHENYANG INST OF APPL ECOLOGY CHINESE ACAD OF SCI

Adjustable large soil animal hunting device and operation method thereof

The invention discloses an adjustable large soil animal hunting device and an operation method thereof, and belongs to the technical field of soil animal collection devices.The adjustable large soil animal hunting device comprises baffle mother plates, baffle daughter plates and pins, and the four baffle mother plates and the four baffle daughter plates are paired in pairs; each pair of baffles is formed by connecting a sliding groove of a baffle mother plate and a protruding strip of a baffle daughter plate through a mortise and tenon joint structure, the four pairs of mother and daughter baffles are connected to form the square hunting device, and four pins penetrate through four baffle fixing connectors and pin ground breaking cones to be inserted into the ground to be fixed. Meanwhile, the invention further discloses an operation method of the adjustable large soil animal hunting device. According to the adjustable large soil animal hunting device provided by the invention, the technical problem that sampling statistics is inaccurate due to the fact that large soil animals in a quadrat crawl or jump out of the quadrat when large soil animal samples are collected is solved, and the collection accuracy and working efficiency of the large soil animal samples are improved.
Owner:EASTERN GANSU UNIVERSITY +1

Farmland surface soil animal diversity monitoring device and method based on infrared camera

The invention discloses a farmland surface soil animal diversity monitoring device and method based on infrared cameras, and relates to the field of surface soil animal diversity monitoring, and the device comprises n groups of infrared cameras and an upper computer; the n groups of infrared cameras are randomly arranged in a monitoring sample plot; the n groups of infrared cameras are used for shooting sample plot images at set time intervals in a monitoring period; and the upper computer is used for storing the sample plot images acquired by each group of infrared cameras so as to identify the moving soil animals and identify the types of the moving soil animals. In the application, according to the set photographing mode, the dynamic monitoring, analysis and evaluation of the 30-second time granularity of the farmland surface soil animal diversity are realized.
Owner:NINGBO UNIV

Biocontrol compound bacteria liquid fermentation optimization process for inhibiting ficus microcarpa root rot

The invention belongs to the field of microbial fermentation, discloses a biocontrol compound bacteria liquid fermentation optimization process for inhibiting ficus microcarpa root rot, and aims to solve the problems of high chemical control cost, environmental pollution, drug resistance, soil micro-ecology damage by traditional pesticides and the like. The process comprises the following steps: firstly, screening bacillus subtilis and pseudomonas fluorescens from a banyan rhizosphere soil sample LB culture medium; through a plate confrontation experiment, sucrose is selected as a carbon source, yeast powder is selected as a nitrogen source, magnesium sulfate is selected as an inorganic salt, and an orthogonal experiment determines that the optimal components of the fermentation culture medium are 3% of sucrose, 1.5% of yeast powder and 1.5% of magnesium sulfate (pH 7.0). Fermentation is carried out according to specific steps, the inhibition rate of the compound bacteria liquid on harmful phellinus xylophilus is increased from 76.6% to 87.9%, the cost is low, the lasting period is 2-3 growth seasons, the influence on the diversity of soil animals is small, and banyan protection and agricultural sustainable development are promoted.
Owner:INST OF URBAN ENVIRONMENT CHINESE ACAD OF SCI

A micro-topography-based rocky desertification slope surface ecological restoration method

The application discloses a kind of based on microtopography's rocky desertification slope surface ecological restoration method, comprising the following steps: S1, rocky desertification degree and slope soil layer thickness investigation;S2, slope microtopography classification;S3, adaptive plant selection;S4, planting;S5, follow-up fertilization and biological control;S6, forestation;S7, inspection acceptance.The application has the advantages that: the application is investigated and classified to rocky desertification area, uses the adaptability of certain plants to different microhabitat, introduces plants and certain small soil animals into rocky desertification area, increases the biodiversity in the ecological restoration process of rocky desertification area, improves ecological restoration capacity, slows down the process of rocky desertification while also creating economic value;The method does not use a large amount of transplanting soil and fertilizer and other materials, and does not need a large amount of labor cost, uses the environmental adaptability of plants and organisms, and provides a new idea for ecological restoration of rocky desertification area.
Owner:GUILIN UNIVERSITY OF TECHNOLOGY

Test device for earthworms to construct soil macropore structure under driving condition

This invention discloses an experimental device for earthworms constructing soil macroporous structures under driven conditions. To overcome the limitations of existing soil animal feeding preference experimental devices, which are limited to static placement and cannot study the weighting relationships of multiple factors on earthworm movement within the soil at different times and spaces, nor can they simulate the influence of different field environments on earthworm movement orientation, and cannot study the state of soil macroporous structure after earthworm movement without damaging the soil condition, this invention provides an earthworm driven factor experimental device that can simulate multiple spatiotemporal soil conditions, features multiple cantilever arms, detachable and combinable cantilever arms, real-time monitoring and adjustment of soil temperature and humidity, and cantilever arms capable of CT scanning. The device includes an experimental box assembly, experimental cantilever arms, a temperature and humidity detection system, and a heating and humidifying unit. It meets the experimental requirements for earthworms constructing soil macroporous structures under driven conditions, which is of great significance for research on soil macroporous structure regulation based on the "earthworm tillage method" and new technologies for black soil conservation.
Owner:JILIN UNIVERSITY

Method for evaluating cadmium enrichment multi-path contribution rate of soil springtail based on stable isotope

A method for evaluating the multi-way contribution rate of cadmium enrichment of soil animals based on stable isotopes comprises the steps that S1, a natural abundance Cd solution and a Cd solution enriched by a certain isotope are adopted to prepare a plurality of solutions composed of different isotopes, and the natural abundance is selected as a source needing a large amount of Cd; s2, adding standards to cadmium food sources, and making food with different 113Cd abundance; s3, culturing a substrate, and adding the Cd solution with natural abundance in the S1 into the substrate; s4, soil springtails are added for cadmium exposure culture; and S5, collecting springtails, measuring the ratio of 113Cd to 114Cd of springtails, and respectively calculating contributions of two Cd sources and a plurality of Cd sources according to a formula. According to the method, the stable isotope Cd is used for marking, overlapping of other elements is avoided, interference of other elements can be avoided, and therefore the accuracy of the experiment is improved, and the contribution rate of more than two sources can be distinguished.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI