12 results about "Soil animal" patented technology

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 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.

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.

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.

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.

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.

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.

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.

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.

The invention discloses a method for improving the soil heavy metal remediation efficiency of mulberries through plumeria champaca. The method comprises the following steps that 1, soil in a remediation area is pretreated; step 2, indoor domestication of Mimeria champaca; 3, mulberry seedlings are planted in the restoration area; step 4, putting plumeria rubra; 5, managing, regulating and controlling the repairing process; and 6, repairing the period. According to the method, a synergistic remediation system is constructed by utilizing the michelia champaca and the mulberries, efficient remediation of the soil heavy metals is achieved through the soil improvement effect and the heavy metal form transformation effect of the michelia champaca in combination with the enrichment capacity of root systems of the mulberries, and the technical blank of'specific and other foot soil animal-mulberry 'synergistic remediation in the prior art is filled up.

The utility model discloses a portable small soil animal separating device, which relates to the technical field of soil animal separation and comprises an upper ring frame and a bottom plate, a solar panel is mounted on the upper surface of the upper ring frame, a handle is mounted on the upper surface of the solar panel, a storage battery is mounted in the upper ring frame, and a plurality of clamping rings are mounted on the bottom surface of the upper ring frame. According to the solar energy charging device, solar energy is collected in real time and converted into electric energy through the efficient solar panel carried on the upper surface of the upper ring frame, the large-capacity storage battery in the upper ring frame is continuously charged, and the actual problem that a power source is difficult to find during field work is effectively solved. And the equipment main body adopts a modular bayonet device design, and each part can be quickly disassembled and assembled, so that the portability is greatly improved. Meanwhile, high-strength carbon fibers are selected as the whole material, so that the weight of the equipment is greatly reduced on the premise of ensuring the stable structure, and the equipment is easier and more convenient to carry.

The application discloses a culture device and experimental method for monitoring the interaction between soil animals and microorganisms and plant root systems, and belongs to the technical field of plant growth culture equipment, and comprises a culture bottle main body, culture media are arranged in the culture bottle main body, a plurality of exchange openings are arranged at the bottom end of the culture bottle main body, and a cover body is arranged at each exchange opening; the application can realize real-time observation and sampling of the monitored plants, the samples are not easy to be polluted, and problems such as poor experimental condition repeatability are solved, sampling detection of operators in experiments is facilitated, and the application is more convenient to use.