100results about How to "Improve the effect of ecological restoration" patented technology

The invention discloses a method for managing town black and olid river pollution in situ by utilizing biological repair technology, which takes the steps and measures of aerating and oxygenizing in riverway, adding a complex microbial agent, biologically repairing bottom sediment, arranging a bio-nest system and the like, so as to control and eliminate the exogenous and endogenous pollution of the river, purify the water quality of the river, improve the self-purification ability of the water body and achieve the purpose of eliminating black and olid. The method does not need to build structures in the riverway or lead the river water out of the riverway to be treated, or dredge the bottom sediment in the river, therefore the method is generally applicable to incomplete sewage interception and dredging or the rivers which can not be intercepted sewage or dredged temporarily, and the in situ treatment to the riverway which is affected by tide and has complicated fluid variation. Therefore, the method which can lead the water body to recover normal ecological function provides the practical, economic and convenient treatment method for various town black and olid rivers.

The invention discloses a construction method for ecological restoration of riparian vegetation of mountain rivers. The method includes the following steps: (1), for restoration of aquatic vegetation, dispersedly planting potamogetonaceae and hydrocharitaceae submerged plants high in washing-out resistance in a project region; (2) for restoration of riverway rock and boulder vegetation, planting wetland plants strong in washing-out resistance in rock and boulder regions and the like in a riverway in the project region; (3) for restoration of waterfront plants, planting emerging plants and aquatic plants with washing-out resistance and deep roots between the riparian normal water level and the two-year flood level in the projection region; (4) for restoration of riparian vegetation, planting waterlogging-tolerance trees and shrubs of juglandaceae, betulaceae and the like between the two-year flood level and the 20-year flood level in the project region, and planting gramineae and cyperaceae herbaceous plants with deep roots in ground covers. By the method, the ecological problems about riparian water and soil erosion, weak river's self-purification capacity, sharp decline in biodiversity and the like are solved effectively, feasible and effective ecological remediation measures are provided for natural restoration and reconstruction of river banks and riverways.

The invention discloses a high-strength plant growing type porous concrete and a preparation method thereof. The concrete comprises the following ingredients in proportioning by weight: water, cement, waste concrete or natural crushed stone aggregate, water reducing agents and rice straw. The preparation method comprises the steps of: firstly crushing the waste concrete or the natural crushed stone aggregate to be used as aggregate for later use; smashing the fully dried rice straw for later use; stirring the aggregate and a proper amount of water for a period of time; putting a proper amount of cement, the smashed rice straw and the water reducing agents into a stirrer for stirring; and finally, adding rest water and cement to be stirred. The high-strength plant growing type porous concrete can replace masonry flagstone with the strength of lower than M15, is applied to engineering projects such as raceways, parking lots, side slopes, riverbanks and the like and helps the growth of plants and restores the ecological environment destroyed by construction under the application condition.

The invention discloses an ecological restoration method for engineering side slope treatment in alpine and high-altitude areas, and belongs to the field of ecological restoration engineering. Construction is carried out on surfaces of an exposed side slope by using a special engineering material; the special engineering material consists of a temperature regulation and control layer, a cold-resistant and drought-resistant matrix layer, a root-promotion soil moisture-preservation matrix layer and a slope surface improvement matrix layer. The slope surface improvement matrix layer is laid at the bottom of a matrix material; the root-promotion soil moisture-preservation matrix layer is arranged on the slope surface improvement matrix layer; the cold-resistant and drought-resistant matrix layer is arranged on the root-promotion soil moisture-preservation matrix layer; and the temperature regulation and control layer is arranged on the cold-resistant and drought-resistant matrix layer. According to the invention, construction soil, various solid wastes, natural mineral slag, microbial agents and a macromolecular modifier and the like are used as raw materials, and the functional designof different matrix layers is carried out, so that the ecological restoration method is suitable for severe environment conditions with cold climate, high ultraviolet radiation intensity, large temperature difference of day and night, strong temperature change and severe drought stress in alpine and high-altitude areas, and the ecological restoration effect of engineering side slope treatment inalpine and high-altitude areas is effectively improved.

The invention relates to an ecological remediation method for a slope of a broken mountain. Ecological remediation can be conducted on a steep cliff wall slope of which the slope surface is smooth andlevel by constructing a slope remediation structure composed of a large-pore vegetation concrete layer, a substrate material layer and a small-pore vegetation concrete layer. The surface roughness ofthe slope sprayed with the large-pore vegetation concrete layer is significantly increased, a substrate material which is subsequently sprayed can not be prone to sliding down, small-pore vegetationconcrete is sprayed to the outer layer of the substrate material, therefore, through the double-layer vegetation concrete structure, it can be better guaranteed that the substrate material is attachedto the slope, and sliding and rain water scouring are avoided. In addition, the large-pore structure of the large-pore vegetation concrete layer is more beneficial for growth of a plant root system,the small-pore vegetation concrete layer can purify non-point source pollution, rotten ecological desilting sludge is added into the substrate material, and the vegetation degradation problem caused by insufficient fertility is solved.

The invention proposes a method for remediation and ecological restoration of a mine dump, which comprises: cutting the mine dump into three levels, the slope height of each level is 8m, the width of the horizontal step is 4m, and the slope ratio is 1:1.9 for the first level respectively. ~2.2, the second level 1:1.6~1.8, the third level 1:1.4~1.5; the surface of the horizontal step is subjected to local foreign soil, and the thickness of the foreign soil is 30cm; the slope surface is grouted and covered with soil; The slope adopts the mortar masonry arch frame, the slope bottom skirt, the drainage ditches on both sides of the slope, and the slope edge; 15cm horizontal planting ditch; sow herbs and native shrubs in the ditch, keep the soil 2-3cm on the surface moist, and maintain and manage it in time; plant cloves on the horizontal step surface of the slope. The invention adopts biological measures and assists certain engineering measures to comprehensively control the soil dump, and the cost is low.

The present invention discloses an artificial waterweed, a plurality of floaters are evenly distributed in four corners of both sides of a waterweed support, weed body fiber is uniformly arranged on the waterweed support surface; the weed body fiber comprises layered porous PAN-based activated carbon fiber and nitrogen-doped TiO2 catalytic material-loaded layered porous PAN-based activated carbon fiber; activated carbon fiber has a large specific surface area, can absorb and retains suspended and dissolved pollutants in water, has high biological affinity, and is conductive to microbial attachment and film formation; a nitrogen-doped TiO2 catalytic material has good visible light activity, can oxidize macromolecular organic pollutants in water into small molecule organic pollutants under natural light photocatalysis, and is conductive to degradation of microorganisms adhered on the weed body surface, a base is filled with a carboxymethylcellulose polymer, colloid containing large amounts of carboxyl groups, hydroxymethyl groups and the like has a certain heavy metal ion adsorption capacity, and can effectively remove heavy metal ions in the water.

The invention discloses a slope protection structure with enhanced diversion, filtering and ecological sewage interception effects. Multiple stages of diversion trenches are sequentially arranged at intervals along a river channel bank slope from top to bottom; the diversion trench of the previous stage and the diversion trench of the next stage are connected through a diversion channel; the diversion channels of the diversion trenches of the adjacent stages are horizontally staggered, and a staggered distance is at least 10 m; a rainwater inlet is arranged in the top of the diversion trench of the first stage; a mesh cage filled with cobblestones is laid on a part, which is not provided with the diversion trench and the diversion channel, on the river channel bank slope; biological ceramsite and gravel are placed in the diversion trenches of the upper half part of the river channel bank slope; biological ceramsite and coarse sand are placed in the diversion trenches of the lower halfpart of the river channel bank slope; green plants are planted in each stage of diversion trench; and meanwhile, the invention further discloses a slope protection system with the enhanced diversion,filtering and ecological sewage interception effects. The system comprises a plurality of crescent array diversion, sewage interception and purification groups which are arranged at intervals in a water channel along a water flow direction. The structure and the system have the enhanced diversion, filtering and ecological sewage interception effects.

The invention provides a device for dibble planting of plants on a side slope. The device for dibble planting of the plants on the side slope comprises a conservation basket and a base bag, wherein the conservation basket is made of natural fibers which can be degraded naturally, and the base bag comprises a base material bag which is naturally degradable. When the device for dibble planting of the plants on the side slope is used, plant seeds are evenly mixed in humus, then the humus with the plant seeds, a water-retaining agent and compound fertilizer are placed in the base material bag jointly, and finally the base material bag is flat placed in the conservation basket. The device for dibble planting of the plants on the side slope is used for ecological remediation of a large number of naked side slopes which are formed in engineering construction land, the survival rate of the plants is guaranteed under the dry condition, a stable side slope plant community can be established, the ecological remediation effect is good, and ecological remediation requirements of the naked earth surfaces generated after engineering construction in arid areas and semi-arid areas are met.

The invention provides a discrete embedded correlative ecological slope protection method. The method comprises the following steps: slope cleaning: the surface of a slope is finished, instable rock blocks are removed, and the surface of the slope is leveled; grooving: rock grooves are excavated in the surface of a repaired slope needing afforestation; groove cleaning: residues in the rock groovesare cleaned; groove measurement: the grooving gaps, depths and widths are measured; groove repair: the rock grooves with unqualified excavation depths or widths are filled; groove filling: afforestation substrates, seedlings and planting bags are filled in the rock grooves; spray seeding: plant seeds, insecticide and water are sprayed into the rock grooves; and curing: later maintenance is performed on the slope after ecological slope protection engineering. The rock grooves are embedded in the rock wall in parallel according to a designed gap, and are across correlated as a whole through root systems of plants in the grooves. The method can solve the difficulties of ecological protection of the slope, solid fixation and water retaining, and achieves important significance on water and soil conservation and ecological repair of the slope.

The invention relates to a construction method for landscape bank protection and water bottom seepage prevention of a coal mining subsidence land. The construction method comprises the steps that thelandscape engineering construction site range of the coal mining subsidence land is determined, a probability integral method is adopted for calculating the ground depression value W and the horizontal deformation value epsilon of a construction site, and a deformation area is obtained through division; the critical point for carrying out engineering construction is determined according to the horizontal deformation value; bank protection is carried out on the water side of the bank slope of the coal mining subsidence land, a stone embankment and an ecological embankment are built, and landscape bank protection of the coal mining subsidence land is constructed; and woven textile geotechnical cloth is adopted for splicing and paving, and the water bottom seepage prevention structure of thecoal mining subsidence land is constructed. According to the construction method, the problem that water landscape facilities of the coal mining subsidence land are damaged due to the influence of mining is systematically solved, a good subsidence land ecological restoration effect is guaranteed, and the human settlement around the coal mining subsidence land is improved.

The invention discloses a recompaction and plant covering combined protection method for a loose unsaturated soil slope shallow layer. Loose residual soil or slope soil which is 2-3m thick under a slope is excavated, a plurality of water draining blind ditches in the slope direction are arranged at equal intervals from the slope foot to the 1 / 3-1 / 3 slope length position, the blind ditches are all communicated with water leakage holes formed in a slope foot retaining wall, the excavated loose residual soil or slope soil are layered and compacted until the compaction degree is more than 90%, namely a recompaction covering layer is formed, nutrient soil with the thickness as 0.15-0.3m is laid on the recompaction covering layer, and short and small plants are planted in the nutrient soil. The recompaction and plant covering combined protection method for the loose unsaturated soil slope shallow layer can effectively reduce rainfall infiltration, controls the height of a seepage line at the lower portion of a slope, keeps suction force of unsaturated soil, improves shearing resistance of a soil body and effectively prevents the loose unsaturated soil slope shallow layer from sliding. The slope protection method can use local materials, is easy to construct, low in construction cost and strong in practicability and has a good ecological restoration effect.

The invention provides an ecological restoration method of a dewatered sludge landfill and application of landscaping clip waste. The landscaping clip waste is utilized for being laid in drainage blind ditches and improving soil, the gas permeability capacity and permeable capacity of the soil are improved, and soil organic matter is increased; the problem is solved that due to the fact that the soil of the dewatered sludge landfill is poor in water penetration and drainage performance, a large number of planted nursery stocks die, the survival rate of transplanting the nursery stocks is increased, in the later period, various nursery stocks grow well, flowering arbors and shrubs, ornamental foliage arbors and shrubs, and arbors and shrubs with ornamental fruits, flowers and plants flourish, all the flowers bloom together, characteristics of natural growth are sufficiently shown, and a good ecological restoration effect is achieved.

The invention relates to the technical field of water body restoration, in particular to an ecological restoration method for an urban eutrophication river channel. The method comprises the followingsteps of S1, renovation for the river channel; S2, filtering area treatment; S3, precipitation area treatment; S4, enhanced treatment area treatment; S5, plant conservation area treatment. According to the ecological restoration method for the urban eutrophication river channel, sewage flows into a precipitation area for precipitation, a solar aerator takes solar energy as direct power of equipment running, super-saturated dissolved oxygen water of the surface layer is transferred to the bottom layer of water to the greatest extent, dissolved oxygen of the water of the bottom layer is increased, natural layering is eliminated, and the self-purification capacity of the water is improved; according to arrangement of biofilm carriers, an ecological floating bed and aquatic plants in an enhanced treatment area, the physiological metabolic activity of absorption, adsorption, sedimentation promotion and native oxygen generation through photosynthesis of the aquatic plants is utilized for achieving the purposes of effectively removing nitrogen, phosphorus and other nutrient contaminants in the water and increasing the dissolved oxygen degree in the water so as to purify the water.

The invention provides an apparatus and method for simulating and measuring drag forces on aquatic plants at different flow rates. The apparatus comprises a speed regulating motor, a fixed rod, a traction rope and a pair of rails. The rails are arranged oppositely in parallel along the upper end of a water tank. Rollers matching the rails are arranged at the two ends of the fixed rod respectivelyand the fixed rod is erected between the rails vertically; the fixed rod and the speed regulating motor are connected by the traction rope parallel with the rails. A dynamometer is fixedly connected to the fixed rod; and a force-transmitting rod is fixedly connected to a measuring end below the dynamometer and is fixedly connected with a fixture. According to the apparatus, the influences of the hydrodynamic factors of the ecological restoration project can be determined well based on the calculated drag force parameter of the plant and thus the plant community configuration is optimized, so that the ecological restoration effect is improved. The apparatus is suitable for the aquatic plant ecology research and aquatic plant maintenance management practice. The apparatus has advantages of simple manufacturing method, great easiness in operation, high measurement precision and reliable data.

The invention relates to a method for planting forage grass on a sunward side of hillside land with the slope greater than 15 degrees in an alpine mountainous area. The method comprises the steps thatthe forage grass is planted in a rotation place in the alpine mountainous area with the altitude of 2,000-2,500 m in the southwestern Yunnan province of China, the sunward-side hillside land with theslope greater than 15 degrees is selected as the rotation place, and after former crops are harvested, the forage grass is planted; forage grass planting is conducted by adopting the mode that 9-11%of annual ryegrass seeds, 18-22% of perennial ryegrass seeds, 9-11% of hybrid ryegrass seeds, 28-32% of dactylis glomerata seeds, 28-32% of trifolium repens seeds and base fertilizer are mixed and sowed, and grazing can be conducted when the forage grass grows till the height of a grass layer exceeds 5 cm; when the forage grass is surplus, the harvested forage grass is dried and prepared into green hay or silage, and the stubble height during grass harvesting is 5 cm. The method for planting the forage grass in the alpine mountainous area has the advantages that the method is suitable for being implemented in the southwestern Yunnan province of China, and the forage grass is quick in propagation, good in growth and significant in ecological restoration effect.

The invention discloses a mine land greening device. The device comprises a base, two clamps and connecting rods, wherein the two clamps are fixed in a matching manner; the base is connected with the clamps by the connecting rods; the base comprises locating rods, end covers and coamings connecting adjacent locating rods; each locating rod comprises an embedded rod and an installing rod, which are installed in sequence; a clamp base is fixed at the top end of the embedded rod; a pressure stopping pad is fixed at the other end of the clamp base; foot pads are uniformly distributed at the peripheral side of the end, close to the embedded rod, of the installing rod; an installing hole is formed in the middle of the installing rod; two installing grooves communicated with the installing hole are formed in the side wall of the installing rod; an included angle between the two installing grooves is 90 degrees. The device provides a good soil environment for growth of regreened vegetation, can be used for effectively fixing the vegetation roots, prevents the vegetation roots from being damaged by vehicles as the roots are unstable under the influence of natural disasters at the earlier stage, has a simple structure, is firm in installation, is low in construction cost and can achieve the effect of effectively improving the ecological regreening effects of mine slopes.

The invention relates to the field of geological disaster prevention and control, in particular to a reservoir area bank slope hydro-fluctuation belt degradation simulation system and an experimentalmethod. The experimental method comprises the following steps: (1) putting a sample into a holder of the simulation system, and setting various experimental parameters of the simulation system; (2) calculating related parameters such as pore distribution and porosity of the sample by utilizing data acquired by a nuclear magnetic resonance system; (3) transmitting sound signals collected by an optical fiber sound wave sensing system to an upper computer for inversion calculation, and obtaining parameters such as the spatial position, the rupture time and the rupture energy of sample rupture; and (4) analyzing the rock degradation process according to the calculated related parameters. According to the method, key parameters such as pore distribution, porosity, permeability, water saturation, rock fracture position, crack geometrical characteristics, pressure, temperature and humidity of the rock mass under different working conditions can be obtained in real time, and the method has important significance and practical value for researching a reservoir area bank slope hydro-fluctuation belt degradation mechanism and a reservoir area bank slope landslide or collapse mechanism.

The invention relates to an ecological restoration structure of a high and steep side slope of a refuse dump, and belongs to the technical field of side slope ecological rehabilitation. A step slope top soil barrier (2) is arranged at the upper end of a slope (6), slope fixing straw ropes (1) and covering soil (5) are laid on the slope surface, the slope fixing straw ropes (1) are arranged at intervals, the upper ends of the slope fixing straw ropes (1) are buried below the step slope top soil barrier (2), the slope fixing straw ropes (1) at the lower middle part are woven into rhombus grid nets, slope fixing anchor rods (3) are further involved, the slope fixing anchor rods (3) are arranged at the mesh intersection points of the rhombic grid nets at intervals, the slope fixing straw ropes(1) are fixed to the slope (6), and green plants (4) are arranged in meshes. According to the ecological restoration structure of the high and steep side slope of the refuse dump, the slope fixing straw ropes (1) are woven into the rhombic grid nets to be fixed to the slope surface, the covering soil (5) is laid on the slope surface, the using amount of the covering soil (5) is reduced, and the problems that the covering soil (5) is directly dumped for rehabilitation in ecological restoration of the high and steep slope, confluence is formed in rainy days, the covering soil (5) on the surfaceis easily washed away, and the slope rehabilitation effect is caused to be poor are solved.

The invention relates to a method for constructing a deep pool shoal in a slow-flow riverway. The method comprises the following steps that 1, spur dikes are symmetrically arranged the positions nearbanks on the two sides of the riverway; 2, the shoal is arranged between the two spur dikes, and the flow surface of the shoal is of a V-shaped structure, the low end is located in the center, the high ends are located on the two sides, and the high ends are lower than the upper surfaces of the spur dikes, and the space defined by the two sides of the shoal and the spur dikes and the banks is a deep pool. 3, an upstream slope and a downstream slope are arranged on the two sides of the shoal flow surface respectively, the slope of the upstream slope is larger than that of the upstream slope, water flow in the riverway passes through the deep pool, the upstream slope, the shallow flow surface and the downstream slope in sequence. According to the method, the spur dikes and the shoal are usedfor constructing the deep pool shoal in the riverway, the structure is simple, the self-purification capacity of river water can be improved, and the biodiversity in the riverway is increased.

The present invention discloses a method for restoring degraded grassland vegetations by using a pitting technology. The method for restoring degraded grassland vegetations includes pitting technologies respectively used for a lightly degraded grassland, a moderately degraded grassland and a heavily degraded grassland. The method includes: manually tamping pits in a degraded grassland where soil is severely eroded, tamping round pits in the degraded grassland, setting diameters and depths of the different pits, and determining a distance between every two pits according to the degradation degree of the grassland. The vegetation restoration of the degraded grassland is performed by mainly depending on the power of nature, and therefore, the method has the characteristics such as simplicityand easiness in operation, low restoration cost and good ecological restoration effect. Due to the adoption of pitting, the utilization efficiency of natural rainfall of a natural grassland is increased, the storage capacity of a degraded grassland soil seed bank is increased, the soil fertility of small pits is increased effectively, a microenvironment beneficial to seed germination is created, and thus, the seed germination and seedling amount of a natural grassland soil seed bank is greatly increased.

The invention discloses a rock slope ecological restoration system. The system comprises a rainwater collection and storage unit arranged at the top of a slope, plant growing media fixedly laid on theslope, an anchoring system used for fixing the plant growing media and an irrigation pipe network buried in the plant growing media; and a water inlet end of the irrigation pipe network is connectedwith the rainwater collection and storage unit. The system is characterized in that the rainwater collection and storage unit comprises a water collecting tank which is arranged at the top of the slope and adjacent to the slope; a filtering structure is arranged in the water collecting tank; the edge of the water collecting tank is connected with a water storage chamber; the water storage chambercan be immersed in water in the water collecting tank; and the water storage chamber is connected with the water inlet end of the irrigation pipe network. The rock slope ecological restoration systemhas the advantages rainwater can be better collected for regular irrigation, the dependence of irrigation control on electric equipment is reduced, the slope greening ecological restoration effect isimproved, and the construction safety and economy are improved. The system is especially suitable for vegetation restoration and greening of high and steep rock slopes in arid regions.

The invention discloses an undersea alga field forming device, and aims at providing an undersea alga field forming device which is good in alga ecological restoration effect, high in operation efficiency and capable of effectively reducing the labor cost. The undersea alga field forming device comprises an underwater robot which comprises a machine body frame and wheels arranged on the machine body frame; the machine body frame is provided with an air storage tank, a sediment cleaning device and an alga spore transplanting device, and the air storage tank is provided with a first air exhaust connector and a second air exhaust connector; the sediment cleaning device comprises a cleaning pipeline arranged on the front portion of the machine body frame, multiple cleaning spray heads arranged on the cleaning pipeline and a first air inlet pipeline connecting the first air exhaust connector with the cleaning pipeline; the alga spore transplanting device comprises a vertical material storage barrel arranged on the machine body frame, a first piston body arranged in the vertical material storage barrel in a sliding mode, a feed opening formed in the lower end of the vertical material storage barrel and a material storage barrel air inlet connector arranged at the upper end of the vertical material storage barrel.

The invention relates to a functional composite ecologic fishing rock and a construction method thereof. The functional composite ecologic fishing rock comprises a reinforced concrete base and a concrete main body framework fixed on the reinforced concrete base, wherein a groove is formed in the bottom of the reinforced concrete base, a cuboid through slot is formed in the middle position of the reinforced concrete base in a penetrating manner, and the cuboid through slot and the reinforced concrete base form a structure in the shape like a Chinese character "Hui"; and a plurality of bait culture medium HDPE mesh cage substratums are mounted on the concrete main body framework, and natural shells / oysters are stuffed in the bait culture medium HDPE mesh cage substratums. The construction method comprises the steps of performing whole casting, and mounting the bait culture medium HDPE mesh cage substratums. Through the adoption of the functional composite ecologic fishing rock disclosedby the invention, the difficult problems that a conventional artificial fish reef difficultly overcomes the influence of large sea currents in sea floor, is poor in stability and is easy to knock overby strong sea currents are solved, the difficult problems that a conventional reef is poor in settling preventing properties and a main body structure is easy to sink in the sea floor are solved, andthe difficult problem that the conventional artificial fish reef is single in functions is solved.

The invention relates to the field of mine restoration, and particularly discloses a mine ecological restoration system and an ecological restoration method. The mine ecological restoration system comprises fluffy cotton, a plant growth substrate and non-woven fabric which are sequentially arranged on the exposed surface of a mine, wherein a fixing assembly is arranged on the exposed surface of the mine, the plant growth substrate is prepared from the following raw materials of, in parts by weight, 5-15 parts of a water-retaining agent, 140-220 parts of activated sludge, 560-670 parts of fly ash, 700-900 parts of soil, 30-50 parts of straw particles and 2-8 parts of phosphorus modified charcoal, the ecological restoration method comprises the following steps that the fluffy cotton is laid on the exposed surface of the mine, the plant growth substrate is laid on the fluffy cotton, plants are planted on the plant growth substrate, then the non-woven fabric is laid on the plant growth substrate, and the plants sprout to grow into the green mine. The mine ecological restoration system can be used for ecological restoration of mines and has the advantage of enhancing the mine ecological restoration effect.

The invention discloses a planting method for wetland ecological restoration. The planting method comprises the steps of seed filling, seed quantity adjustment, power supply starting and the like. Theplanting method comprises the steps that a planter is included; the planter comprises a square-column-shaped outer shell and a sliding column slidably connected to the interior of the upper side of the outer shell, the bottom of the outer shell is of a pyramid-shaped structure, through holes are formed in the two opposite side walls of the bottom of the outer shell, a side plate is fixed in eachthrough hole, and a layer of soft plastic film with small elasticity is attached to each side plate. A side rack is fixed to the side, located in the outer shell, of each plastic film. The device hasthe advantages that the movement distance of the pressing block in contact with the starter can be adjusted, the pressing block moves along with the plastic film at the initial stage, and the movementdistance of the plastic film at the initial stage is related to the depth of the plastic film inserted into sludge, so that the planting depth of seeds can be adjusted by adjusting the position of the starter.

The invention provides a cultivation method for herbage in degraded natural pasture, belonging to the field of ecological restoration and environmental investigation. The cultivation method for herbage in degraded natural pasture can provide nutrients for the herbage by reasonable fertilization and sowing, later management, maintenance and cultivation and the early use of compound fertilizer. Livestock excrement is decomposed by EM bacteria fertilizer to provide forage for the growth of herbage. The cultivation method for herbage in degraded natural pasture has the advantages of cultivating herbage, improving the environment of pasture, improving effect of ecological restoration and restoring the vitality of pasture as well.

The invention discloses a method for preventing leaf falling of zanthoxylum bungeanum maxim in autumn and winter and application of the method, and belongs to the technical field of crop planting. The method mainly comprises the following steps: (1) water and fertilizer management; (2) red rust prevention and control; (3) branch management. According to the method, the leaf falling condition of the zanthoxylum bungeanum maxim can be remarkably improved, meanwhile, the yield of the zanthoxylum bungeanum maxim is increased, and the content of essential amino acid, non-essential amino acid, umami amino acid, bitter amino acid, pharmacodynamic amino acid, carotene, vitamin E and the like in the peel of the zanthoxylum bungeanum maxim and the dry matter content of the zanthoxylum bungeanum According to the method for preventing leaf falling of the zanthoxylum bungeanum maxim in autumn and winter, the yield and quality of the zanthoxylum bungeanum maxim are improved, and a foundation is laid for stability and sustainability of the zanthoxylum bungeanum maxim ecological industry.

The invention discloses a flooding wetland 'pool-beach-island' ecological restoration mode, and particularly relates to the technical field of ecological restoration. Continuous vegetation living environments with different water depths are constructed; when the water level rises or falls again, retained species can recover quickly, and the biological succession presents a periodic rhythm under the combined action of the water level and seasons; and an elastic linkage type multi-layer ground net is laid on the terrace, the stability of a transformed terrain can be effectively enhanced, water and soil loss is avoided, the safety of the restored terrain is guaranteed, and thus the ecological restoration effect is guaranteed. On the basis of terrain design, as few and effective engineering measures as possible are carried out, rich and retainable living environment heterogeneity is constructed, technical means such as wave dissipation and alien invasive species inhibition are supplemented, and effective ecological restoration of the flooding wetland is achieved on the basis that original background conditions are reserved as much as possible.