333 results about "Soil conservation" patented technology

The invention discloses a Beidou time service synchronous multi-source data fusion monitoring device, system and method, and aims to solve the core problems of low meteorological factor-ground surface settlement causal correlation analysis precision and poor early warning reliability caused by multi-source data time asynchronization due to sensor clock independence. The device directly drives each sensor in the multi-source data acquisition module to perform physical-level synchronous acquisition through a hardware synchronous trigger pulse generated by the Beidou time service module, and ensures that settlement, weather and positioning data have the same timestamp at the source; and time axis calibration and dynamic weight fusion based on real-time data quality are carried out through the preprocessing module. The system integrates the devices, a cloud analysis model and an early warning engine. According to the invention, a closed loop from hardware-level synchronous acquisition, space-time alignment to intelligent analysis is realized, a multi-source data synchronization error is reduced from a second level to a millisecond level, and the accuracy and timeliness of water and soil conservation monitoring are remarkably improved.

The invention relates to the technical field of mountain afforestation, provides an efficient nursery stock planting method suitable for mountain afforestation, and aims at solving the problems that in existing mountain afforestation, planting is not standard, the survival rate is low, the water and soil conservation capacity is weak, and the labor intensity is high. The forest space layout is optimized, and the water and soil conservation capability is enhanced; the mellow soil and immature soil layered stacking and backfilling technology is adopted, the natural structure of the soil is recovered, and the root zone microenvironment quality is improved; a fertilizer isolation layer is arranged and degradable container seedlings are implanted, so that the risk of root burning is avoided, the integrity of root systems is protected, and the survival rate of the seedlings is remarkably increased; by combining root fixing water slow irrigation, water retention covering and slope water collection and soil conservation structures, natural rainfall is effectively utilized, evaporation and runoff are reduced, and water saving and drought resisting are achieved; the whole process flow is standard, the replicability is high, and the dependence on artificial experience is reduced.

The invention provides a method suitable for water retention of soil with different textures. In order to better perform size matching between the biochar and soil particles, particle size grading is performed on the biochar according to the size of soil aggregates, and three kinds of biochar with the particle size larger than 2.0 mm, the particle size ranging from 0.25 mm to 2.0 mm and the particle size smaller than 0.25 mm are obtained. The three kinds of biochar with different particle sizes are used in different types of soil respectively, and 5% of biochar with the particle size of 0.25-2.0 mm is selectively applied according to the water retention requirement of the arid area loam farmland; according to the drainage requirements of loam waterlogging areas with more rainfall, 5% of biochar with the particle size larger than 2.0 mm is selectively applied; and 5% of biochar with the particle size smaller than 0.25 mm is selectively applied for water and soil conservation of sandy soil in the arid region. By scientifically regulating and controlling the particle size and the application amount of the biochar, the biochar is matched with the specific properties of the soil, so that the water retention capacity of the soil is improved, and the soil efficiency is improved.

The invention relates to the technical field of ecological restoration and water and soil conservation, and discloses a wind prevention and sand fixation forest restoration method and system based on a forestry and agriculture compound system. The method comprises the following steps: deploying a distributed wind sand environment sensing node array, constructing a local wind field dynamic evolution model, and identifying a potential wind erosion hot spot region; generating a dynamic forest belt adjustment instruction based on the identification result, and controlling the deployment position and density of the movable shrub barrier unit; forestry and agriculture composite planting regulation and control are synchronously implemented, deep-root-system sand-fixing plants are arranged in a core protection zone, herbaceous plants are mixed and sown in a transition zone, and economic crops are crop-rotated in a peripheral zone; and the self-adaptive reconstruction of the forest belt structure is realized by continuously monitoring the change of the sand grain flux and feeding back the parameters of the optimization model. Through dynamic sensing, prediction and intervention mechanisms, the wind prevention and sand fixation efficiency is remarkably improved, ecological restoration and farmers and herdsmen livelihood are considered, the actually measured wind erosion hot spot area is reduced by 68%, and the ground surface sand transport rate is reduced by 82%.

The invention discloses a riverway ecological protection slope, and relates to the technical field of riverway nursing, the riverway ecological protection slope comprises a protection slope body which is sequentially arranged from the slope top to the slope toe, the protection slope body comprises a foundation supporting layer, an ecological structure layer and a vegetation community layer from inside to outside, and the ecological structure layer comprises a geotechnical composite material layer laid on the foundation supporting layer; the geotechnical composite material layer is of a three-dimensional net-shaped structure or a bag-type structure. Complex mechanical transmission, movable parts and sealing structures are completely omitted. The ecological niche complementary mixed planting mode of deep-rooted shrubs, shallow-rooted herbaceous plants and slope toe aquatic plants is adopted, the deep-rooted shrubs can enhance the deep stability of a slope body, the shallow-rooted herbaceous plants quickly cover a slope surface to reduce surface erosion, the aquatic plants are connected with a water and land ecological interface, and the deep-rooted shrubs, the shallow-rooted herbaceous plants and the water and land ecological interface cooperate to form a multi-layer and high-stability vegetation community; the water and soil conservation capacity of the bank slope is improved, diversified habitats are provided for animals and plants, and the natural ecological function of the river bank slope is restored.

The invention discloses a water and soil conservation monitoring system and method, and belongs to the field of water and soil conservation monitoring, and the method comprises the following steps: determining a monitoring target and a measured core variable combination, and formulating a specific measurement technical scheme based on a multi-parameter measurement target; the method comprises the following steps: selecting monitoring points in a set monitoring range, evaluating the importance and potential interference degree of each point to a multivariable measurement result in combination with terrain, meteorological factors and human activity intensity, grading according to the importance and potential interference degree, and configuring different numbers of standby monitoring positions for different grades of point positions; rainfall, sediment and soil moisture sensors are deployed at selected points, initial data of all variables in a normal environment are collected, and initial reference values of all measurement channels are established. Through the combination of the steps, monitoring blindness and resource waste are avoided, the flexibility of a monitoring network is improved, data continuity and accuracy are guaranteed, the exception handling efficiency is improved, and efficient and accurate water and soil conservation monitoring is achieved.

The invention discloses a goaf microorganism and plant synergistic soil fixation method and a soil fixation device, belongs to the technical field of goaf soil fixation, and aims to solve the problem that an existing goaf fixation process is difficult to realize deep stabilization and ecological restoration synergistic treatment, and the goaf microorganism and plant synergistic soil fixation method comprises the following steps: S1, pretreating the ground surface of a goaf; s2, acquiring goaf data; s3, determining a core reinforcement area and an ecological restoration area according to the model data in the S2; s4, deep injection reinforcement is conducted on the core reinforcement area; step S5, planting plants, step S6, carrying out drip irrigation on the ecological restoration area, and monitoring the matrix strength growth rate S and the plant root development index RDI in real time; s7, determining that the repair is qualified according to the collected data of the S and the RDI; a deep loose matrix is effectively cemented through the microbial mineralization effect, the strength and stability of the soil body are improved, the integrity of the surface soil body and the water and soil conservation capacity are enhanced through plant root systems, and the synergistic enhancement effect is formed.

The invention discloses a watershed ditch and pond-road low-cost ecological sand control method based on hydrological connectivity, which belongs to the field of ecological environment protection and mainly comprises the steps of data acquisition, DEM data correction, confluence network construction, hydrological structure connectivity identification, SWAT model construction, key source area identification, scene analysis and cost benefit analysis. Under the influence of a ditch pond-road system, the key source area identification technology based on hydrological structure connectivity and the drainage basin key source area ditch pond road low-cost water regulation and soil conservation method achieve the dual purposes of reducing the water and soil regulation and control cost and continuously improving the ecological benefit by identifying the key source area.

The invention relates to the technical field of hydraulic engineering, and discloses a revetment setting method for optimizing wetland ecosystem restoration. The method comprises the following steps: arranging an energy dissipation desilting area to slow down water flow and purify water quality, laying porous vegetation building blocks to enhance slope stability and water and soil conservation capability, spraying a covering material containing grass seeds, fibers and a growth promoting agent on the surface of the revetment to realize rapid greening, and arranging a water baffle and a buffer structure to prevent scouring. A system corresponding to the method integrates GPS positioning and soil salinity and water quality sensors, multi-source monitoring data are fused through an AI algorithm, an ecological health index is constructed, and a regulation and control strategy is formulated. And the control module comprises a regulation and control mechanism based on a rule engine, fuzzy logic, a neural network and reinforcement learning, and realizes automatic irrigation and drainage regulation. While the stability of the revetment structure is guaranteed, the restoration efficiency and the self-adjusting capability of the wetland ecological system are improved, and the system has the advantages of being high in ecological property, high in intelligence and wide in adaptability.

The invention discloses a quantitative calculation method of a soil erosion modulus background value, which comprises the following steps: S1, grading a rainfall erosion force factor and a soil erodibility factor in soil erosion factors according to unsupervised classification, and generating a contour map, S2, carrying out drainage basin analysis through DEM, calculating a slope length factor and a slope factor mean value according to a small drainage basin boundary, and calculating the background value of the soil erosion modulus according to the slope length factor and the slope factor mean value. S3, vegetation coverage and biological measure factors are measured and calculated according to a table look-up method and a linear interpolation method according to field investigation, and S4, water and soil conservation engineering measure factors and cultivation measure factors are measured and calculated according to land utilization, vegetation coverage and water and soil conservation measures of the field investigation and an assignment method. Corresponding soil erosion factor values can be rapidly matched according to areas where projects are located, adaptability is wide, and soil erosion modulus background values can be measured and calculated at any time according to conditions such as different areas and project types.

The invention provides a drainage basin water and soil conservation vegetation synergy layout method and system and electronic equipment, and the method comprises the steps: calculating a sediment connectivity index for a target drainage basin in a grid-by-grid manner based on a preset sediment connectivity index model, and combining the sediment connectivity indexes of all the vegetation coverage grids to form a sediment connectivity index spatial distribution diagram of the vegetation coverage of the drainage basin, and spatially superposing the sediment connectivity index spatial distribution diagram with the sediment connectivity index spatial distribution diagram under the bare land scene of the drainage basin to generate a sediment connectivity index difference distribution diagram. According to the difference value of the sediment connectivity indexes, the vegetation configuration priority order of each grid is determined, and vegetation is arranged according to the vegetation configuration priority order of the grids, so that under the condition that the total number of vegetation configuration is the same or the existing vegetation coverage number of a watershed is not changed, the vegetation can be quickly and accurately configured, and the vegetation can be quickly and accurately distributed. And the drainage basin water and soil conservation function is improved.

The utility model belongs to the technical field of seeding machines, and discloses a ridge cleaning corn precision seeding machine. The machine is mainly technically characterized by comprising a seeding mechanism with a seeding plough foot, a soil moisture filling disc and a pressing roller which correspond to the seeding plough foot are arranged behind the seeding plough foot, a rotating shaft connected with the machine frame through a bearing is arranged on the machine frame in front of the seeding plough foot, and a reverse speed-changing gear box in power connection with the rotating shaft is arranged on the machine frame. A ridge cleaning cutter head is arranged on the rotating shaft in front of the corresponding sowing plough foot, a plurality of ridge cleaning blades are arranged on the ridge cleaning cutter head in the circumferential direction of the ridge cleaning cutter head, the ridge cleaning blades intersect with the plane where the ridge cleaning cutter head is located at a certain angle, and the rotating direction of the ridge cleaning blades is opposite to the direction of the soil moisture filling disc. A cutting edge is arranged on one side of the ridge cleaning blade in the advancing direction. The chopped wheat stubbles and straws are pushed forward obliquely, and a shallow ditch without the wheat stubbles and straws is formed in front of the sowing plough foot, so that seed germination and soil moisture conservation are facilitated, and diseases and insect pests are reduced.

The present application relates to the field of crop cultivation and soil improvement technology, and discloses a wheat-corn-sunflower-legume green manure crop rotation carbon fixation and water saving method suitable for arid irrigation areas, which comprises wheat planting, corn planting, sunflower planting and legume green manure planting. The present application replaces traditional flooding irrigation with high-frequency low-amount drip irrigation mode, combines with precise water supply according to the water requirement characteristics of each crop growth period, and avoids invalid irrigation. Meanwhile, through straw returning to field, soil water evaporation is reduced, and soil conservation capacity is improved. Moreover, the present application constructs a double carbon fixation path of straw returning to field and green manure turning, straw is crushed and returned to field, organic carbon is input into soil every year, legume green manure is turned and decomposed, and soil organic matter content is improved. The present application also reduces nitrogen fertilizer application through symbiotic nitrogen fixation of legume green manure and rhizobium, protects soil microbial activity, optimizes soil carbon cycle, relieves soil degradation, and improves long-term carbon fixation potential of soil.

The utility model provides a protective net for water and soil conservation, which comprises a side edge adjusting structure, the side edge adjusting structure comprises an attaching plate and a supporting strip, one side of the bottom of the attaching plate is provided with a fixing bolt, the bottom of the attaching plate is provided with a sliding block, the top of the supporting strip is provided with a positioning strip, and the inner wall of the positioning strip is provided with a sliding groove. According to the protective net structure, the attaching plates capable of sliding outwards are arranged, the attaching plates slide on the tops of the supporting strips, the attaching plates on the two sides move outwards and open the protective net, the protective net structure can be tightly attached to a river bank, and outward movement of the attaching plates is mainly controlled through an unfolding structure; and after use, the attaching plate can be fixed, then the unfolding structure is taken down, and meanwhile, the positioning cone capable of rotating is arranged at the bottom of the supporting strip, so that the supporting strip can rotate according to the radian of the river bank.

The utility model belongs to the technical field of water and soil conservation, and particularly relates to a water and soil conservation desilting device which comprises a desilting basin. A rotating shaft is arranged at one end of the water inlet pipe, a plurality of rotating blades are fixedly installed on the periphery of the rotating shaft in an array mode, a control wheel is fixedly installed at one end of the rotating shaft, a pressing plate is slidably installed in the upper end of the control box, sliding rods are slidably installed on the two sides of the pressing plate, and control blocks are fixedly installed at the lower ends of the sliding rods; springs are arranged between the bottom of the pressing plate and the two ends of the upper portion of the control block and installed on the sliding rods in a sleeving mode, the inner bottom of one end of the desilting basin and the inner upper portion of the other end of the desilting basin are each provided with two rotating rollers in parallel, the rotating rollers rotate in a matched mode through a conveying belt, and a plurality of water permeable holes are formed in the surface of the conveying belt in an array mode. Through the disturbance effect of the rotating blades, the suspension and separation effects of sediment particles in water flow are enhanced, and meanwhile through continuous conveying of the conveying belt and the design of the water permeable holes, uniform deposition and efficient cleaning of sediment are achieved.

The utility model discloses a water and soil conservation vegetation cover support technical field's water and soil conservation vegetation cover support, including vegetation cover framework, vegetation cover framework is by multiple green planting unit, and green planting unit includes hexagonal base, and the middle part of hexagonal base is provided with soil filling cylinder, and both sides of hexagonal base all are installed with positioning clamping plate, and the both sides of hexagonal base away from positioning clamping plate are set up with positioning clamping groove respectively, and the structure design of the scheme can be assembled and form adjustment according to the relief and irregular characteristics of desertification land flexibly through the clamping cooperation between positioning clamping groove and positioning clamping plate, realizes the quick construction of whole vegetation cover framework, and this kind of flexible splicing mode not only has improved the adaptability of vegetation cover support to complex landform, has guaranteed sand -fixing green plant to be able to grow stably under various topographic conditions, but also has strengthened the effect of wind -proof sand -fixing, has solved the limitation that traditional integration net -like support is difficult to match irregular topography.

The invention provides water and soil conservation spray-seeding equipment for ecological restoration of a mining area. The water and soil conservation spray-seeding equipment comprises a base; the walking mechanism comprises two walking wheels used for driving the base to move; the climbing mechanism comprises two climbing assemblies oppositely arranged in the base, each climbing assembly comprises a telescopic plate, and the telescopic plates are configured to be capable of adjusting the extending angles of the telescopic plates so as to drive the base to climb; the spray-seeding mechanism is arranged at the upper end of the base and comprises a material mixing box and a material spraying frame used for spraying and seeding mixed materials in the material mixing box outwards, a feeding box capable of moving in the extending direction of the material mixing box and a plurality of turnover plates are arranged in the material mixing box, and the feeding box is used for feeding materials into the material mixing box; the plurality of turning plates are used for turning materials in the material mixing box to form a mixed material, so that the problems of poor operation stability and poor spray-seeding quality caused by easiness in blockage in the spray-seeding process, limited spray-seeding stroke and existence of a slipping risk of the existing water and soil conservation spray-seeding equipment for ecological restoration of the mining area are solved.

The utility model discloses a novel combined type water and soil conservation device which comprises a main body, the main body is composed of a solar cell panel, a working box and a stand column, the working box is installed on the stand column, the solar cell panel is arranged at the top end of the working box and installed on the stand column, and the stand column is composed of an upper column body, a movable middle column and a lower column body. The lower column body is arranged at the bottom end of the upper column body; the height of the designed main body is adjustable, the phenomenon that in the original field of water and soil conservation, when the combined monitoring device is installed, the height of the main body cannot be adjusted according to the illumination requirement, and consequently power supply is insufficient in the use process is improved, and the height of the main body can be adjusted, so that the requirement for power supply is met in the installation process of the combined monitoring device. And the height of the solar cell panel can be adjusted at will according to the illumination requirement of the solar cell panel, so that the normal operation of the monitoring device is ensured.

The application provides a construction method of a natural river channel and overbank wetland, comprising the following steps: S1: constructing a natural river channel and three-stage overbank in a riverbed according to historical daily flow statistical characteristics, so as to adapt to river channel flow characteristics under different rainfall scenarios; and S2: constructing overbank wetlands with different characteristics according to selected overbank types. The application relies on overbank wetlands to comprehensively improve the ecological service function of the river channel; in a non-rainfall scenario, the service functions of landscape, soil conservation, wind prevention and sand fixation are realized; and in a rainfall scenario, the service functions of reducing non-point source pollution, storing flood, and improving water environmental quality are mainly played.

The present application relates to the technical field of water and soil conservation engineering, and particularly relates to a water and soil conservation engineering turf laying device.The present application provides a water and soil conservation engineering turf laying device which can simultaneously perform turf loading operation during laying process and improve operation convenience.A water and soil conservation engineering turf laying device comprises a moving seat, a water storage frame, a spraying assembly and a placing mechanism, the water storage frame is connected to the upper side of the rear part of the moving seat, the spraying assembly is connected between the water storage frame and the moving seat, and the moving seat is provided with the placing mechanism.The present application places and winds two turfs by using the placing rack, so that the placing rack can be quickly rotated and adjusted by operating the rotating rod during the turf laying process, the two turfs are laid, the laying efficiency is improved, and meanwhile, it is convenient for the operator to quickly add new turf, and the convenience of turf laying is improved.

A selenium-rich Chinese wolfberry planting method comprises the steps that Chinese wolfberry tree planting pits are dug in a selected selenium sand melon planting area, and soil layers and gravel and gravel layers near the Chinese wolfberry tree planting pits are classified and collected in the length extension direction of Chinese wolfberry tree plant spacing, so that a fertilizer and soil mixing platform is formed on one side of each Chinese wolfberry tree planting pit; putting the Chinese wolfberry tree plants into the Chinese wolfberry tree planting holes, scattering a predetermined amount of decomposed organic fertilizer and phosphate fertilizer on the fertilizer-soil mixing platform, scattering the collected soil on the organic fertilizer and phosphate fertilizer on the fertilizer-soil mixing platform, and then backfilling the organic fertilizer, phosphate fertilizer and soil on the fertilizer-soil mixing platform into the Chinese wolfberry tree planting holes; root fixing water is poured into the lycium barbarum tree planting pits; the gravel and gravel layer is backfilled on the lycium barbarum tree planting holes and the fertilizer and soil mixing platform, so that lycium barbarum tree plants are stably planted, the air permeability of soil around the lycium barbarum trees is guaranteed, and the soil moisture conservation effect is improved; during field management of the Chinese wolfberry trees, organic selenium fertilizer is sprayed on leaf surfaces in the growing season of the Chinese wolfberry trees.

The utility model discloses a multi-layer sediment sampling device for water and soil conservation measurement, relates to the technical field of multi-layer sediment sampling, and aims to solve the problem that when sediment in a riverbed and a mud beach is sampled in a sampling area with higher humidity, if a conventional sediment sampling device is adopted, the sediment in the riverbed and the mud beach cannot be sampled due to higher soil flowability. The cylindrical sediment sampling device comprises an outer pipe, a rotating shaft I, a sediment sampling device, a connecting pipe and a driving mechanism, the outer pipe is of a semi-cylinder structure, a plurality of rotating cavities are formed in the outer pipe, the rotating cavities are semi-cylindrical cavities, a rotating shaft I is rotationally connected into the outer pipe, the rotating shaft I and the outer pipe are concentrically arranged, a semi-cylindrical sand taking device is rotationally connected into each rotating cavity, and a semi-cylindrical sand taking cavity with an opening in the end face is formed in each sand taking device. And the plurality of sediment sampling devices are fixedly connected with the rotating shaft I. The multi-layer sediment sampling device is used for multi-layer sediment sampling.

The present application provides a kind of based on ecological damaged partition identification repair method and system, the present application is divided into several independent space units according to preset resolution grid;Identify the regional type and LCZ type of each space unit;Calculate the damaged index of soil conservation, habitat quality, heat relief, rainwater retention, carbon storage, construct evaluation matrix using entropy weight-TOPSIS method, determine the index weight and calculate the comprehensive damage score of each space unit, according to the comprehensive damage score, five levels of ecological damaged partition are divided.Automatic determination of the main damaged type is realized by screening key space units, combining damaged index sorting and relative deviation degree;According to the linkage of regional type, LCZ type and main damaged type, the repair technology knowledge base is retrieved, and the special repair technology recommendation list is generated by matching degree sorting.The present application realizes the fine quantitative evaluation of ecological damage, the tracing of damaged causes and the adaptation of repair technology, solves the problems of low damage identification accuracy and fuzzy damage type definition in existing ecological restoration.

The utility model discloses grass seed sowing equipment for water and soil conservation, and provides the following scheme that the grass seed sowing equipment comprises a material storage barrel, the bottom of the material storage barrel is fixedly connected with a material discharging barrel, a strap mechanism is arranged on one side of the material storage barrel, a sowing mechanism is arranged at the bottom of the material discharging barrel, and an adjusting mechanism is arranged in the material discharging barrel; by arranging a sowing mechanism and an adjusting mechanism, after grass seeds enter a sowing frame, a first motor drives a sowing disc to rotate together, then sowing holes are driven to rotate together, every time when one sowing hole corresponds to a leaking hole in the bottom of the sowing frame, the grass seeds in the sowing frame can automatically fall down, a second motor drives a lead screw to rotate, and the grass seeds in the sowing frame can be automatically sown. And a movable block is driven to move up and down in a discharging barrel, then a discharging frame is driven to move up and down together, finally, the whole sowing assembly is driven to move up and down, the height of the grass seed discharging assembly is conveniently adjusted according to actual conditions, the grass seed discharging assembly can better adapt to different wind power environments, and the application range of equipment is widened.

The utility model discloses a water and soil conservation monitoring device with a protection device, which relates to the technical field of water and soil monitoring, and comprises a base, a protective fence and a stand column are arranged on the upper surface of the base, the protective fence is arranged on the outer side of the stand column, a motor is arranged on the upper surface of the stand column, and a transmission rod is arranged in the stand column. A movable connecting block is arranged in the stand column, a monitoring mechanism is arranged on the side face of the stand column, and a protective cover is arranged on the upper surface of the monitoring mechanism. According to the water and soil conservation monitoring device with the protection device, a worker can conveniently fix the device through the arranged plug pin and the arranged rotary switch, meanwhile, the worker can conveniently adjust the horizontal state of the device according to the geographical environment, the periphery of the device is protected through the arranged protective fence, and the safety of the device is improved. By arranging the insect expelling instrument, mosquitoes are prevented from being attached to the surface of the equipment, and normal work of the equipment is not affected.

The invention relates to the technical field of semantic comprehension, in particular to a water and soil conservation monitoring summary report auxiliary auditing system based on semantic comprehension, which comprises a graph and certificate judgment module, a phrase screening module, an entry matching module, a data error correction module and a revision and collection module. According to the method, the corresponding relation between image components and text main words is extracted, semantic deviation between image-text contents is recognized, a verb group and a time word are combined to carry out sequential relation comparison, the logical sequence in a statement is analyzed to be associated with actions, construction terms are extracted and are associated with standard terms, and phrase contents lacking the orientation of the terms are screened; the method comprises the following steps of: analyzing a connection state of a data segment and text description on a field level by combining a semantic relationship between a field subject and a monitoring unit, constructing a multi-dimensional check chain covering image-text association, a time sequence, term classification and data matching, and promoting collaborative application of semantic processing in structure association, rule matching and logic recognition; and the depth and breadth of text review are expanded.

The utility model relates to the technical field of water and soil conservation devices, and discloses a positioning marking device for mine remediation, which comprises two sleeves. According to the positioning marking device for mine repair, through the action among a powder barrel, a connecting rod, an annular stop block, a first fixing plate, a filter screen and a marking conical column, when a sleeve is pressed downwards to drive the marking conical column to pierce into the ground, the whole powder barrel is close to the ground, and when the sleeve continues to drive the marking conical column to pierce into the ground, the whole powder barrel moves downwards; the first fixing plate is in contact with the ground relative to the lower first fixing plate and pushes the connecting rod, the annular stop block moves upwards, and at the moment, white powder in the powder barrel can be moved to the space in the middle of the powder barrel under the action of gravity and guidance of the annular stop block, so that the powder stably flows to the position above the filter screen; and then the white powder is uniformly scattered on the edge of the marking conical column from the filter screen in a circular ring shape, so that the position of the measurement fixed point is accurately marked, and the accuracy and effect of subsequent planting are improved.

The utility model relates to the technical field of side slope protection, especially to an ecological slope protection beneficial to water and soil conservation, which can satisfy the growth of vegetation, prevent excessive rainwater from seeping into the side slope and reduce the landslide accident rate of the side slope. The utility model discloses a kind of ecological slope protection, which comprises side slope body and multiple masonry blocks arranged on the inclined surface of side slope body, and half-through grooves are symmetrically arranged on the left and right sides of the masonry block. Half-through grooves on two adjacent masonry blocks are closed to form planting grooves allowing vegetation to pass through. Half-grooves are symmetrically arranged on the upper and lower sides of the masonry block, and half-grooves on two adjacent masonry blocks are closed to form water guide grooves. Venturi pipe connecting two half-grooves and two connecting pipes are arranged on the masonry block. One end of the two connecting pipes is respectively communicated with the interior of two half-through grooves, and the other end of the two connecting pipes is communicated with the necking portion of the venturi pipe.

The invention relates to the technical field of interception ditch soil retaining plates, in particular to a soil retaining device for water and soil conservation and ecological restoration in a waterfront area and a using method thereof.The soil retaining device comprises a ditch soil retaining plate, a mounting groove is formed in the top face of one side of the ditch soil retaining plate, and a hanging plate is rotationally connected into the mounting groove; a lap joint groove is formed in the top face of the other side of the ditch soil retaining plate, after the hanging plate rotates, one end of the hanging plate extends into the lap joint groove, and a plurality of planting grooves are formed in the surface of the hanging plate; the method has the beneficial effects that the green plants are stuffed into the planting grooves, the green plant roots penetrate through the planting grooves to extend into the ditch water source, then are filled with soil and are patted and pressed, the requirements that the green plant roots extend into the ditch to strengthen physical filtration and preliminary biodegradation are met, and the ecological restoration effect of the waterfront area is further enhanced.

The invention provides a sowing method for wheat-sesbania in a dry farming saline-alkaline double cropping area, and belongs to the technical field of agricultural sowing, and the sowing method comprises the following steps: S1, early-stage preparation; s2, shallow spinning and leveling; s3, sowing execution; s4, soil treatment; and S5, equipment resetting. The invention provides a wheat-sesbania seeding method for a dry farming saline-alkaline double cropping area. Through collaborative design of crop adaptation, soil improvement and equipment optimization, a multiple guarantee mechanism for yield stability is constructed. The yield reduction risk of unreasonable group structure of wheat is reduced through close planting optimization, biomass accumulation is improved through wide-distance planting of sesbania, and a green manure cycle of land use and land cultivation is formed; the rainwater collection ditch has the water collection and soil moisture conservation functions to buffer the influence of uneven rainfall and reduce the fluctuation impact of drought and flood on the yield. The method pertinently solves the core problems of insufficient adaptability, saline-alkali drought stress, low emergence rate and the like of the same seeder, and realizes double improvement of the emergence rate and the yield stability of the double-cropping product in the dry-farming saline-alkali area.