62 results about "Soil restoration" patented technology

The invention discloses an ecological restoration effect evaluation and simulation system after polluted soil restoration, and relates to the technical field of soil restoration, and the system comprises a soil feature generation module which generates an ecological feature data set; the ecological restoration evaluation module is used for establishing a multi-dimensional evaluation model by using an analytic hierarchy process and a fuzzy comprehensive evaluation method based on the ecological characteristic data set, and generating an ecological restoration effect index; the dynamic simulation prediction module is used for constructing an ecological restoration dynamic simulation model and simulating the evolution trend of a soil ecological system under different environment conditions; and the restoration strategy optimization module is used for generating a targeted ecological restoration optimization scheme by combining a preset restoration strategy library according to the ecological restoration effect index and the dynamic simulation prediction result. According to the method, a closed-loop system integrating multi-source data acquisition and processing, multi-dimensional evaluation, dynamic simulation prediction and stepped strategy optimization is constructed, and accurate evaluation of the ecological restoration effect after contaminated soil restoration and scientific optimization of the restoration strategy are achieved.

The invention provides a chemical restoration method for treating heavy metal-polluted terrain soil by ferromagnetic artificial nucleuses. In a ferromagnetic artificial nucleus soil restoration method, the ferromagnetic artificial nucleuses are applied to heavy metal-polluted soil; soil above a heavy metal pollution depth is overturned by cultivation equipment to uniformly mix with the ferromagnetic artificial nucleuses; and after heavy metal can be dispersed from the soil to the artificial nucleuses by a period of time, the soil containing the artificial nucleuses is overturned by using the cultivation equipment to increase the change of the artificial nucleuses contacting with other soil. After the soil overturning procedure is repeated by multiple times, the cultivation equipment provided with magnets can be used for separating the ferromagnetic artificial nucleuses, absorbed with the heavy metal, from the polluted soil; and the content of the heavy metal of the polluted soil is reduced due to shifting-out of the ferromagnetic artificial nucleuses, so that the purpose of soil restoration is gradually achieved.

The invention relates to a soil microorganism recovery index processing method and system and electronic equipment. The method comprises the following steps: collecting a soil sample in a gradient sample area, and measuring soil microbiological indexes and soil attributes; taking the soil microorganism indexes as a mother sequence, taking the soil attributes as subsequences, calculating correlation coefficients and correlation degrees between the subsequences and the mother sequence, and determining key soil attributes influencing soil microorganism recovery; determining a weight value of the key soil attribute; based on the numerical values of the key soil attributes in the original ecological reference area and the damaged unrepaired area, combining the weight values of the key soil attributes, and adopting an improved soil restoration index model to calculate and obtain a soil microorganism restoration index; the technical problem that in existing mining area ecological restoration evaluation, an original ecological system is not used as a benchmark, and the soil microorganism restoration degree cannot be quantitatively represented is solved, and the technical effect of achieving objective, comparable and quantifiable accurate evaluation of the soil ecological function restoration degree is achieved.

The utility model relates to the technical field of mining area restoration, in particular to a grass planting bag for regreening and restoration of a mining area, which comprises at least one grass planting unit, and each grass planting unit comprises a grass planting bag layer, a fiber cotton layer and a breathable soil restoration layer which are sequentially arranged from top to bottom. The grass planting wrapping layer is filled with grass seeds and matrix soil, and the breathable soil restoration layer is filled with ceramsite and soil restoration nutrient organic matter in a staggered mode. According to the grass planting bag for re-greening and repairing the mining area, the grass planting bag layer is filled with the grass seeds and the matrix soil, the fiber cotton layer is arranged in the middle, and the two layers are comprehensively overlaid, so that the grass planting bag has the advantages of heat preservation, moisture preservation, water retention, degradability and high air permeability, the germination and survival rate of the grass seeds can be increased, and the rapid re-greening effect in the arid and semi-arid mining repairing area is achieved; furthermore, ceramsite and soil remediation nutrient organic matters are filled in the breathable soil remediation layer in a staggered manner, so that the remediation of the soil in the mining area can be further realized.

The invention provides a soil ecological restoration detection method and system based on artificial intelligence, and the method comprises the steps: optimizing the network parameters of a first soil restoration state detection network and a second soil restoration state detection network according to a comparison result, and obtaining the trained first soil restoration state detection network and second soil restoration state detection network; and receiving to-be-processed soil ecological restoration data, extracting feature information of the to-be-processed soil ecological restoration data through the trained first soil restoration state detection network, and carrying out soil ecological restoration data detection to obtain a detection result. Multi-label training is performed on the two networks through combination of contained labels between soil object labels and soil ecological restoration data with similar soil ecological restoration data characteristics and training of the soil ecological restoration data, network parameters of the two networks are optimized according to a comparison result, and the working efficiency of the trained networks is improved. Therefore, the information detection precision is improved, and the reliability of ecological restoration is guaranteed.

The invention belongs to the field of sustainable agriculture, and particularly relates to a moisture efficient optimization regulation and control method coupled with black soil cultivated land quality dynamic evaluation. According to the method, the influence of the moisture process on black soil erosion is introduced, and accurate soil loss amount evaluation is realized; in combination with key constraint conditions such as soil erosion and salinization, an optimal calculation method is proposed, the optimal irrigation water amount and irrigation mode are scientifically decided, and the risk of soil degradation is reduced to the maximum extent while it is ensured that the black soil area meets the water demand of crops; the index model (SRI) for quantifying the black soil restoration effect is provided by integrating multi-dimensional key indexes such as soil erosion, salinization, soil nutrients and a soil structure, and the soil health condition and the restoration effect are quantitatively evaluated.

The present invention discloses a soil tillage device for vegetable planting. Among them, the soil turning plow knife is fixedly connected to the head of the installation frame and is used to turn up the soil and vegetable residual roots and stems and convey them to the soil breaking and screening component; the soil breaking and screening component is arranged behind the soil turning plow knife and is used to break up the lumpy soil and screen it to the backfilling component; the root and stem crushing component is arranged behind the soil breaking and screening component and is used to collect and crush the vegetable residual roots and stems; the shallow burial component is connected to the downstream end of the root and stem crushing component and is used to spread the crushed vegetable residual roots and stems into the soil; the backfilling component is arranged below the soil breaking and screening component, and the backfilling component is used to backfill the broken soil above the broken vegetable residual roots and stems. It can fully crush and shallowly bury the vegetable residual parts, can break and cover the lumpy soil with the vegetable residual parts, ensure the full fermentation of organic fertilizer in the soil, can quickly complete the tillage of the field for planting vegetables, and shorten the time for soil restoration of the field.

The invention discloses a desertified soil restoration method based on microorganism mineralization induction and moss-algae crust, which comprises the following steps: crushing soybeans, and dissolving the crushed soybeans in water to obtain a soybean urease crude extract; adding desert green algae and drought-enduring moss into the cementing liquid prepared from the travertine for later use; the algae crust cementing liquid is obtained; the method comprises the following steps: preparing a soybean urease crude extracting solution, uniformly mixing the soybean urease crude extracting solution with desertification soil needing to be recovered, adding a moss-algae crust cementing solution into the surface layer of the mixed desertification soil, and curing for a period of time to realize the solidification of the desertification soil and the moss-algae crust on the surface layer. On the basis of microorganism mineralization induced sand stabilization, the bryophyllum crust is further applied to the soil surface to enhance the compressive strength of the soil surface, so that the strength of the desertification soil can be effectively recovered, and meanwhile, the bryophyllum crust also enables the desertification soil to be covered by moss and algae again, and the nutrients and environment of the soil are recovered.

The invention belongs to the technical field of chemical engineering manufacturing industry, and particularly relates to a preparation and application method of a novel compound fertilizer suitable for sandy soil remediation. The preparation method of the compound fertilizer comprises the following steps: 1) pretreating slaughtered waste pigskin, then adding a protease hydrolysis solution for treatment and suction filtration, and freezing and drying the obtained filtrate to obtain pigskin protein powder for later use; 2) calcining attapulgite, cooling to room temperature, adding a solution of coconut shell carbon, woody peat and pigskin protein powder, and grinding to obtain composite particles; (3) putting the composite particles into an aqueous solution containing inorganic nutrient elements, stirring, then heating, adding a microbial complex microbial inoculant, and uniformly stirring to obtain a mixed solution; and (4) adding a polyglutamic acid solution into the mixed solution, uniformly stirring, adjusting the pH value to be neutral, and drying at low temperature to obtain the compound fertilizer. The invention researches and develops a compound fertilizer formula capable of improving the soil performance and promoting the growth of plants in desertification soil at the same time.

The invention belongs to the field of road construction detection, and discloses a road construction quality detection device which comprises a machine body, rollers fixedly arranged below the machine body, a push rod fixedly arranged on one side of the machine body, a control panel fixedly arranged on one side of the machine body, a rotating device fixedly arranged on the inner wall of the machine body, and a lifting device fixedly arranged below the rotating device. Detection devices are fixedly arranged on the two sides of the lifting device, a pressure device is fixedly arranged on one side above the inner wall of the machine body, a tamping hammer is fixedly arranged on the other side of the inner wall of the machine body, and a bonding device is fixedly arranged on the inner wall of the machine body. The invention aims to provide the road construction quality detection device, the problems of soil deformation and influence on the foundation construction quality caused by frequent sampling in the existing road construction quality detection are solved, the sampled soil area is effectively recovered while the accurate detection of the road construction quality is realized, and particularly, through a newly added bonding function, the road construction quality is effectively improved. The bonding effect after soil remediation is improved, and the construction quality is further guaranteed.

The invention relates to a landform-vegetation-hydrology-pond four-dimensional integrated comprehensive ecological restoration method suitable for an open-cast mining field, and belongs to the technical field of mine ecological restoration. Comprising the following steps of (1) landform and rock soil restoration, (2) soil vegetation restoration, (3) side slope hydrological regulation and control and (4) pond ecologication.According to the ecological restoration method, a four-dimensional integrated collaborative restoration technology system is adopted, and the ecological function of a mine is optimized through multi-dimension and multi-technology collaborative optimization.

Abstract A coal-based solid waste eco-restoration material and preparation method are provided. The preparation method includes: mixing and placing calcium oleate, sodium silicate, polyvinylpyrrolidone, oleylamine, anhydrous ethanol, and water in a hydrothermal reactor, heating at a constant temperature, centrifuging, and washing to collect inorganic nano-seed crystal; seeding the inorganic nano-seed crystal to form a cementitious material; mixing coal gangue powder with the cementitious material, mineral activator, and physical pore-forming foam, then curing, crushing, and screening to prepare a porous sandy loam matrix; uniformly mixing the prepared porous sandy loam matrix, coal slime, and composite microbial agent, and then fermenting and maturing to obtain the coal-based solid waste eco-restoration material. Compared with the traditional aluminum powder chemical foaming and strong acid foaming, the physical foaming technology adopted in the present disclosure improves the safety of operation while reducing the cost, and is convenient for standardized production. According to the activation of bacteria-fungi composite microbial agent, the nutrient elements in eco-restoration materials can be fully released. The eco-restoration material can be applied to the fields of mine soil restoration, land reclamation and other environmental restoration. FIG. 1 Abstract A coal-based solid waste eco-restoration material and preparation method are provided. The preparation method includes: mixing and placing calcium oleate, sodium silicate, polyvinylpyrrolidone, oleylamine, anhydrous ethanol, and water in a hydrothermal reactor, heating at a constant temperature, centrifuging, and washing to collect inorganic nano-seed crystal; seeding the inorganic nano-seed crystal to form a cementitious material; mixing coal gangue powder with the cementitious material, mineral activator, and physical pore-forming foam, then curing, crushing, and screening to prepare a porous sandy loam matrix; uniformly mixing the prepared porous sandy loam matrix, coal slime, and composite microbial agent, and then fermenting and maturing to obtain the coal-based solid waste eco-restoration material. Compared with the traditional aluminum powder chemical foaming and strong acid foaming, the physical foaming technology adopted in the present disclosure improves the safety of operation while reducing the cost, and is convenient for standardized production. According to the activation of bacteria-fungi composite microbial agent, the nutrient elements in eco-restoration materials can be fully released. The eco-restoration material can be applied to the fields of mine soil restoration, land reclamation and other environmental restoration. Mixing and placing calcium oleate, sodium silicate, S10 polyvinylpyrrolidone, oleylamine, anhydrous ethanol, and water in a hydrothermal reactor, heating at a constant temperature, centrifuging, and washing to collect inorganic nano-seed crystal; Seeding the inorganic nano-seed crystal to form a cementitious S20 material; mixing coal gangue powder with the cementitious material, mineral activator, and physical pore-forming foam, then curing, crushing, and screening to prepare a porous sandy loam matrix; Uniformly mixing the prepared porous sandy loam matrix, coal S30 slime, and composite microbial agent, and then fermenting and maturing to obtain the coal-based solid waste eco-restoration material. FIG. 1 20 25 20 15 77 04 M ar 2 02 5 2 0 2 5 2 0 1 5 7 7 0 4 M a r 2 0 2 5 a n d o t h e r e n v i r o n m e n t a l r e s t o r a t i o n . S 1 0 S 2 0 S 3 0 F I G . 1 2 0 2 5 2 0 1 5 7 7 0 4 M a r 2 0 2 5 a n d o t h e r e n v i r o n m e n t a l r e s t o r a t i o n . S 1 0 S 2 0 S 3 0 F I G . 1 1 / 2 FIG. 1 FIG. 2 1 / 2 Mixing and placing calcium oleate, sodium silicate, S10polyvinylpyrrolidone, oleylamine, anhydrous ethanol, and water in a hydrothermal reactor, heating at a constant temperature, centrifuging, and washing to collect inorganic nano-seed crystal; Seeding the inorganic nano-seed crystal to form a cementitious S20 material; mixing coal gangue powder with the cementitious material, mineral activator, and physical pore-forming foam, then curing, crushing, and screening to prepare a porous sandy loam matrix; Uniformly mixing the prepared porous sandy loam matrix, coal S30 slime, and composite microbial agent, and then fermenting and maturing to obtain the coal-based solid waste eco-restoration material. FIG. 1 Inorganic nano-seed crystal Hydration products 5 um FIG. 2 20 25 20 15 77 04 M ar 2 02 5 S 1 0 2 0 2 5 2 0 1 5 7 7 0 4 M a r 2 0 2 5 S 2 0 S 3 0 F I G . 2 S 1 0 2 0 2 5 2 0 1 5 7 7 0 4 M a r 2 0 2 5 S 2 0 S 3 0 F I G . 2

This invention discloses a method for the simultaneous remediation of pesticide and arsenic pollution in acidic soil, belonging to the field of soil remediation technology. *Pseudomonas arsenicoxydans* Y24-2 is used as the remediation microbial agent, and calcium peroxide is used as remediation agent A. Sodium acetate, urea, potassium dihydrogen phosphate, manganese salt, and ferrous salt are mixed to obtain remediation agent B. Remediation agents A and B must be stored separately and mixed immediately before remediation. Remediation agents A and B are dispersed in water, and the remediation microbial agent is added to obtain a remediation agent suspension. The remediation agent suspension is immediately applied to the acidic soil to be remediated for simultaneous remediation of pesticide and arsenic pollution. According to experiments, after remediation using the method provided by this invention, glyphosate in the soil is effectively degraded, arsenic is effectively oxidized and passivated, and the soil pH value is raised to neutral, achieving the goal of pollutant removal and soil restoration to health.

The present invention discloses an analysis method for ecological environment restoration in mountain cities, which includes the following steps: S1, obtaining ecological state data of mountain terrain, and calculating indexes for soil restoration, vegetation coverage, and water quality restoration data respectively; S2, decomposing ecological environment restoration through the analytic hierarchy process according to the index data, and performing index node update operations according to the decomposition content; S3, comparing and judging the indexes according to the results of the index node update operations, and carrying out vegetation coverage restoration of mountain terrain for the expected goals of ecosystem restoration.

The present invention relates to the technical field of soil restoration, and specifically relates to a soil restoration device capable of enhancing the soil restoration effect, including a tank body. A sealing cover is provided at the bottom end of the tank body. A plurality of legs are fixed on the outer wall of the tank body. A feeding port is opened on the top surface of the tank body. An installation seat is inserted into the top surface of the tank body. A stirrer is provided on the surface of the installation seat, and the shaft body of the stirrer extends into the tank body; The beneficial effects are as follows: For the soil restoration device capable of enhancing the soil restoration effect proposed by the present invention, the soil to be restored and the fermentation mixture are put into the tank body for mixing. The stirrer works to stir and mix the materials inside the tank body. When it is necessary to supplement the fermentation mixture, the electric telescopic rod is started. The electric telescopic rod pushes the sealing plate downward away from the blade, and the fermentation mixture stored in the storage tank leaks out to achieve the feeding of the fermentation mixture. Moreover, after the knife plate extends out of the storage tank, the agglomerated materials in the stirred materials are chopped, improving the material mixing effect, thereby enhancing the soil restoration effect.

The present invention provides a structure and design method for repairing engineering slag of abandoned mines and a mountain reconstruction method, including a mine body, a horizontal reinforcement layer laid at the bottom of the excavation surface of the mine body, a plurality of downward inclined reinforcement layers laid and fixed to the mine body from the horizontal reinforcement layer upward, engineering slag sandwiched between the bottom horizontal reinforcement layer and the adjacent downward inclined reinforcement layer, and engineering slag sandwiched between the adjacent downward inclined reinforcement layers; the downward inclined reinforcement layer is connected to the mine body through anchor rods, and is interlayered with the engineering slag to form a mountain body, and a plurality of groups of downward inclined reinforcement layers and engineering slag are filled from the bottom side of the excavation surface of the mine body, and gradually stacked upward to form a reconstructed mountain body; the surface of the reconstructed mountain body is covered with an ecological covering layer, and the outer end of the reconstructed mountain body is connected to the ground through a gravity retaining wall. The present invention treats the engineering slag by piling it up, and paves a composite functional reinforcement layer that can remove pollutants and has a drainage effect therein, so as to eliminate the pollution problem and ensure the stability of the engineering slag pile.

The invention discloses a geological water conservancy project environment ecological restoration device, and particularly relates to the technical field of soil remediation. By arranging a longitudinal soil drilling adjusting unit, when the restoration width is large, two limiting frames are away from each other at the same time and slide in a transfer frame in a limited mode, and then two guide frames descend synchronously; then the soil drilling rod is driven to slide downwards by a specific height along the limiting frame, drilling is conducted on soil at different depths, and hard soil is loosened; when the repairing width is small, the two limiting frames get close synchronously to drive the soil drilling rods in the limiting frames to get close, the drilling width is small, the pollution layer with the specific depth is treated through accurate drilling and screening, the unpolluted soil layer below is prevented from being damaged, meanwhile, the same drilling force is applied to soil at different points, the consistency of the soil loosening effect is guaranteed, and the repairing efficiency is improved. In this way, the physical boundary of drilling operation is delimited, it is ensured that the soil drilling rod does not exceed the preset repairing area, and interference on a non-target area is achieved.

The present invention relates to the technical field of ecological soil remediation, and discloses a method and equipment for directional control of bamboo ecological soil remediation, which is used to solve the problems of insufficient light transmittance and low efficiency of acidified soil remediation caused by the fixed ratio of traditional bamboo and broad-leaved mixed forests. The present invention uses Internet of Things sensors to monitor soil pH, available phosphorus and meteorological data in real time, combines the random forest algorithm to dynamically optimize the mixed ratio and the configuration of associated tree species, uses drone scanning to generate a three-dimensional canopy model, guides intelligent equipment for precise thinning and replanting, and cooperates with pH-responsive shading film and acid-resistant phosphate-dissolving bacteria to achieve improved canopy transmittance and acidified soil improvement. The equipment includes a drone equipped with a laser radar, an intelligent transplanting robot and a solar drip irrigation system, which can dynamically control the concentration of the bacteria and the irrigation strategy. The innovative use of bamboo waste to prepare a porous bamboo charcoal carrier to load functional bacteria replaces traditional peat raw materials; the above solution solves the problems of static configuration, manual dependence and resource waste.

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 artificial intelligence-based soil ecological restoration detection method and system provided in this application optimizes the network parameters of a first soil restoration status detection network and a second soil restoration status detection network based on comparison results, thereby obtaining trained first and second soil restoration status detection networks. The system receives soil ecological restoration data to be processed, extracts characteristic information of the soil ecological restoration data to be processed through the trained first soil restoration status detection network, and performs soil ecological restoration data detection to obtain detection results. Multi-label training is performed on the two networks using inclusion labels between soil object labels and soil ecological restoration data with similar soil ecological restoration data characteristics, combined with training soil ecological restoration data. The network parameters of the two networks are optimized based on the comparison results, thereby improving the working efficiency of the trained networks, thereby improving the accuracy of information detection and ensuring the reliability of ecological restoration.

The invention belongs to the technical field of environmental engineering and pollution ecological restoration, and particularly relates to a biochar-laccase hybrid nanofilm based on interface bonding, a preparation method and application in petroleum hydrocarbon pollution synergistic restoration and plant enhancement. The biochar-laccase hybrid nanofilm comprises biochar and a laccase-inorganic hybrid nanoflower-shaped film, and laccase protein molecules in the laccase-inorganic hybrid nanoflower-shaped film and functional groups on the surface of the biochar are subjected to interface bonding to generate a composite film structure. The immobilized laccase has an ultrahigh specific surface area far exceeding a theoretical addition value, realizes efficient and stable immobilization of laccase, and shows excellent catalytic activity and environmental stability. When applied to petroleum hydrocarbon contaminated soil, the soil remediation agent can strengthen remediation plants such as oilseed rape to efficiently remove petroleum hydrocarbon through biological and non-biological mechanisms, obviously promote plant growth, realize the crossing from single pollution removal to pollution treatment and ecological restoration collaboration, and provide an innovative solution for green and sustainable soil remediation.

The utility model relates to the technical field of mine ecological restoration, in particular to soil plowing equipment for mine ecological restoration, which comprises a vehicle body, a plowing piece is hinged to the bottom side of the front end of the vehicle body through a hinge rod, a spraying piece is arranged above the plowing piece at the front end of the vehicle body, and an inclined conveying belt is arranged behind the plowing piece on the vehicle body. One side of the bottom end of the conveying belt extends out of the bottom surface of the vehicle body and then extends to the lower side of the ploughing piece; a crushing device is mounted below one side of the top end of the conveying belt at the top end of the vehicle body. According to the soil ploughing equipment for ecological restoration of the mine, the depth of the ploughing piece extending into the ground can be adjusted through the arranged hinge rod and the arranged electric telescopic rod, a spraying head is arranged in a spraying piece, and a soil restoration liquid can be guided into soil through a water guide groove formed in a ploughing cutter; and meanwhile, stone blocks and ore blocks in the soil can be ground through the arranged conveying belt and grinding rollers.

The application discloses a mine ecological restoration equipment and method, relates to a mountain soil restoration technical field, and discloses the following technical scheme: a base is used as a bottom bearing structure; a shell is arranged on the base and is used for loading soil restoration liquid; a liquid injection mechanism is provided with a liquid inlet end, the liquid inlet end is communicated with the inside of the shell to form a liquid injection channel; a drilling mechanism is provided with a liquid output channel, one end of the liquid input channel is communicated with the liquid injection channel, and the other end extends to the outside of the drilling mechanism; a soil covering mechanism can cover the hole drilled by the drilling mechanism. The application has the beneficial effects that the application can enable the staff to easily and quickly inject the soil restoration agent into the deep soil layer of the mine wasteland, and the action range is fully covered from deep to shallow by the large amount of soil restoration agent, so that the soil restoration effect is greatly improved, and the recovery efficiency is improved.

The utility model belongs to the technical field of plateau desertification treatment, particularly relates to a plant reseeding device for plateau desertification soil restoration, and aims to solve the problem that the plant reseeding efficiency is very low in the background technology, the following scheme is provided: the plant reseeding device comprises a top pipe, and the inner wall of the bottom of the top pipe is connected with an extension column in a sliding manner; bottom pipes are welded to the outer walls of the bottoms of the extension columns. Under the mutual cooperation of the top pipe, the extension column, the bottom pipe and the seedling inserting plate, a sapling can be straightened and inserted into sandy soil only by squaring the sapling on the ground and aligning the seedling inserting plate to the root of the sapling and pressing the sapling downwards, the sandy soil does not need to be excavated, the operation is very convenient, the plant reseeding efficiency is greatly improved, and the labor intensity of workers is reduced. After a sapling is inserted into sandy soil, water in a water inlet pipe can flow into a spray head along a water outlet pipe and a fixed pipe by opening a valve, water flow sprayed through the spray head can directly provide a water source for the sapling, the survival rate of plants can be increased, and water resources are not prone to being wasted.

The invention relates to the technical field of ecological restoration, in particular to an ecological restoration monitoring method and system for a coal mining subsidence area. Obtaining soil recovery state time sequence information; when the soil recovery state at the end point moment of the time sequence information of the soil recovery state meets a soil target state, the time sequence information of the soil recovery state and vegetation planting parameters are input into a vegetation recovery state prediction network, and the time sequence information of the vegetation recovery state is obtained, the vegetation recovery state prediction network is a black box model constructed based on a long-short term memory neural network; and when the vegetation recovery state at the end point moment of the vegetation recovery state time sequence information meets a vegetation target state, performing ecological recovery monitoring on the soil modification coal mining subsidence area executing the soil modification control parameters by taking the soil recovery state time sequence information and the vegetation recovery state time sequence information as monitoring baselines. According to the method, scientificity and effectiveness of cultivated land protection and ecological restoration of the coal mining subsidence area can be improved.

The present invention relates to the field of land restoration, and particularly to a soil restoration device for environmental protection, which includes an outer protection cylinder. On both sides of the inner cavity of the outer protection cylinder, connecting plates are fixedly installed. On both sides of one end of the connecting plate away from the inner wall of the outer protection cylinder, circular plates are fixedly installed, and arc-shaped placement frames are fixedly installed on the outer sides of the circular plates. In the present invention, a liquid adding box is externally connected to a liquid injection device, and the restoration liquid is injected into the interior of the liquid adding box. The restoration liquid is injected into the interior of the restoration liquid bag through the first liquid injection pipe, the communication box, and the second liquid injection pipe. After the restoration liquid is injected into the restoration liquid bag, it can expand. After being squeezed by the side pressure assembly and the top pressure assembly, the restoration liquid inside the restoration liquid bag will be sprayed out to the surface of the land to be restored through the liquid spraying nozzles at the bottom of the liquid spraying box. The microorganisms and medicaments in the restoration liquid can be used to repair the soil, improving the repair efficiency. The restoration liquid enters the soil through spraying, reducing the waste of the liquid medicine and the risk of secondary pollution.

The invention discloses a construction land polluted soil restoration effect comprehensive evaluation grading method, which fully practices a green sustainable restoration idea, considers the actual conditions of restoration soil reutilization and pollution restoration, and combines an analytic hierarchy process and a fuzzy comprehensive evaluation method to evaluate the restoration effect of the construction land polluted soil. The comprehensive evaluation problem of qualitative and quantitative multi-factor influences is solved, and the soil remediation effect can be accurately, comprehensively and scientifically evaluated.

The invention belongs to the technical field of ecological restoration of alpine grassland, and particularly relates to an ecological planting method for shrub grassland in a super plateau semi-arid region. The method comprises the following steps: delimiting a sample plot in a to-be-restored super plateau semi-arid region degraded grassland area, and applying a bio-organic fertilizer and biochar for soil improvement and activation; ditching and soil preparation; after a water-retaining agent absorbs water and is prepared into gel, uniformly applying the gel into the sowing furrows and uniformly mixing the gel with furrow soil; and performing multi-species matching and sowing. According to the ecological planting method, a low-disturbance degraded shrub grassland remediation technology is adopted, a liquid mulching film is directly sprayed on the surface of soil on the basis of soil improvement, the effects of preventing wind, maintaining soil moisture and increasing ground temperature are achieved, the soil moisture condition and the moisture utilization rate can be obviously improved, soil remediation and vegetation planting are both considered, and the ecological planting effect is achieved. The multifunctionality of the ecological system of the shrub grassland is improved.

The invention belongs to the technical field of microorganisms, and relates to a desertification remediation fungicide and application thereof. The invention provides a desertification remediation microbial agent which is prepared by the following steps: respectively fermenting bacillus subtilis, geotrichum candidum and candida utilis to obtain bacterial liquids, and mixing the bacterial liquids. The bacillus subtilis, the geotrichum candidum and the candida utilis are synergistically matched, and when the bacillus subtilis, the geotrichum candidum and the candida utilis are applied to the desertification soil remediation process, the compressive strength and the shear strength of soil can be effectively improved, and the dosage of urea and calcium superphosphate is reduced.

The present invention discloses a nano-porous distiller's grains biochar biological active material loaded with microalgae and growth-promoting bacteria and a preparation method thereof. The brewing waste is subjected to high-temperature carbonization to form distiller's grains biochar with nano-pores, and then the obtained distiller's grains biochar is mixed with a nitric acid solution for acid modification. By making full use of the physical and chemical properties of the modified distiller's grains biochar, microalgae and growth-promoting bacteria are carried, and with the help of the biomineralization of microorganisms, the efficient combination of nano-materials and microorganisms is realized, forming a tiny particle biological active material with a particle size of 0.5-2 mm and a moisture content of 30-40%. This material not only realizes the efficient resource utilization of brewing waste, but also has remarkable carbon reduction and carbon sequestration and desert sandy soil restoration capabilities, can promote the growth of plant roots, and can effectively reduce the pesticide residues in fruits and vegetables when added to trace element water-soluble fertilizers, having broad application prospects.