47results about How to "Restore vegetation" patented technology

The invention discloses a method for restoring vegetations in a water-level-fluctuating zone. The method is capable of effectively preventing and controlling water and soil loss, intercepting and absorbing harmful chemical substances in a water body, reducing eutrophication of the water body and rapidly afforesting the water-level-fluctuating zone, and has the functions of fixing soil and retaining banks. The method comprises the following steps: 1) preparing soil of a riverside slope surface in a fluctuating zone, finishing the fluctuating zone along the contour line to form a step structure, and respectively digging a cuttage ditch on various steps of the step structure; 2) using nutrient soil to cover various cuttage ditches, inserting a plurality of living branch wooden piles, and connecting the adjacent living branch wooden piles on the same step by using a rope to form a whole, wherein planting grooves are formed between two rows of living branch wooden piles on the adjacent steps; 3) sequentially filling a lower mucky soil layer, a water supply layer, an upper mucky soil layer and a nutrient soil layer into the planting grooves from bottom to top so as to form a planting layer; and 4) respectively planting submerged plants, emergent aquatic plants and water-resistant tree shrubs in various planting grooves along the step structure from bottom to top, so that a three-dimensional vegetation restoring space is formed.

The invention relates to an acidic copper tailing matrix improver, an improving matrix, a preparation method of the improver and an application of the improving matrix. The improver comprises components including bentonite, rice husk, sludge, coal cinder and animal dung. The problem of deficience of matrixes for plant growth in the vegetation rehabilitation process in the area of copper tailings can be specifically and effectively solved by means of the improver and the improving matrix. The improver has main functions of acid-base balance adjustment, nutrient and organic matter supply and texture improvement of the plant growth layer of the tailing area, is a high-quality and inexpensive matrix improvement material and is applied to acidic mine treatment and vegetation rehabilitation, the environmental pollution can be reduced, the mine environment is beautified, and the ecological and economic benefits are increased. The acidic copper tailing matrix improver and the improving matrix have the characteristics of simplicity and flexibility in operation and high adaptability.

A method for transplanting the pinus sylvestris on rock at both sides of a highway in order to protect the highway includes such steps as preparing soil, culturing the saplings, drilling holes on the bare rock, filling the mixture of soil and nutritive soil in said holes, transplanting the sapling in each holes, and conventional management.

The invention discloses a saline and alkaline land improvement method. The improvement method comprises the following steps: crushing plant straw to prepare plant straw powder, then, scattering the plant straw powder into saline and alkaline land, and carrying deep ploughing and turning; applying a mixture consisting of soybean meal, furfural residues, activated biochar powder, a microbial agent,inorganic fertilizer, natural zeolite powder, mineral-sourced humic acid and modified calcium alginate aerogel to the surface layer of the saline and alkaline land, and using a rotary cultivator for rotary cultivation and mixing; flattening the soil surface layer of the saline and alkaline land, uniformly sowing alfalfa seeds on the flattened saline and alkaline land, then, performing earthing up,and controlling the sowing depth at 1-2 cm; during harvesting, keeping the stubble height of alfalfa at 5.5-7.5 cm; carrying out deep ploughing, turning and burying on the saline and alkaline land toturn and bury the alfalfa stubbles in the soil; and then, planting wheat or corn crops. The method can effectively reduce the soil alkalization degree and salt content, and the physiochemical properties of the soil are effectively improved.

The invention discloses a cold region abandoned sand yard amphibian degraded habitat restoring method. The method comprises the following steps of 1 restoring scheme design, 2 geomorphic type modification, 3 rapid vegetation restoring and 4 ecological habitat building. The habitat quality of amphibians can be rapidly and effectively improved, then, the biological diversity of the water ecosystem is improved, the ecosystem functions are restored, and the method is low in cost, good in ecological benefits, and suitable for being used and popularized in regions seriously and physically disturbedby cold region rivers.

The invention discloses a measure for promoting vegetation in cold regions to restore rapidly. The measure is characterized in that porous thermal insulation boards cover the surface of the destroyed or degraded soil layer in the frozen soil region; and baffles are arranged around the porous thermal insulation boards. By adopting the measure, the moisture of the lower soil mass can be effectivelyprevented from the capillary action and evaporation, the soil is ensured to maintain good moisture content in a longer time, sufficient effective accumulated temperature and moisture conditions are provided for germination and growth of the vegetation in spring and summer and smooth growth and restoration of the vegetation are ensured. Besides, along with formation of a restoring vegetation feltylayer, the lower permafrost environment can be ensured to keep relatively stable for a long term under the combined action of the restoring vegetation felty layer and the porous thermal insulation boards. Popularization and implementation of the measure have important ecological effects and social and economic benefits on harmony and unity of engineering construction and ecological environment construction, protection of biodiversity in the source regions of Yellow and Yangtze rivers, soil and water conservation, maintenance of ecological balance and the like.

The invention belongs to the technical field of ecological restoration, and relates to the method for recovering the ecological environment of a gulch-gold mined cut-over land in the cold temperate zone. The method for recovering the ecological environment of a gulch-gold mined cut-over land in the cold temperate zone comprises determining the recovering boundary, preparing soil, digging holes, filing alien earth, planting stocks, and managing after stock plantation. The time is very long and retrogressive succession may happen if a weak ecological environment of a gulch-gold mined cut-over land in the cold temperate zone only naturally recovery, the method for recovering the ecological environment of a gulch-gold mined cut-over land in the cold temperate zone can solve the above problems, vegetation can quickly recover, the ecological environment can be improved, and the survival rate of nursery stocks can reach up to 98%. The method can be used for ecological recovery, or voluntary greenhouse gases emission reduction projects, economic compensation can be obtained via carbon transaction, so the ecological environment and the economic society can in sustainable coordinated development.

The invention relates to a vegetation recovery ecological matrix and a preparation method thereof. The vegetation recovery ecological matrix is composed of, by weight percentage, 20-45% of dry sludge,20-45% of decomposed and dewatered sludge, 12-20% of coir fiber and 12-20% of straw, wherein the dry sludge is prepared by drying dewatered sludge. The vegetation recovery ecological matrix is mainlyprepared from the raw materials of the dry sludge, the decomposed and dewatered sludge, the coir fiber and the straw, and when penetrating through saline-alkali sandy soil via percolate, can providefavorable conditions for survival and accelerated reproduction of soil microorganisms, improve the granular structure of sandy soil, reduce the soil bulk density of the sandy soil, improve the physicochemical properties and the biological properties of the soil, promote soil maturation, accelerate vegetation establishment on barren soil such as the saline-alkali sandy soil and update the soil ecological system.

The invention discloses a saline alkali soil conditioner, a preparation method and an application method thereof. The saline alkali soil conditioner is prepared by mixing calcium powder, monoammonium phosphate, humic acid and fermented organic fertilizer, wherein the mass ratio of the components is 1: 1: 1: 1. The preparation method for the saline alkali soil conditioner comprises the following steps that: the fermented organic fertilizer, namely amorphous powder formed by chicken manure which is subjected to compost fermentation for 10 to 20 days is crushed and passes through a 100-mesh sieve; the humic acid, namely lignite powder and the sieved fermented organic fertilizer are loaded into a closed mixer for complete mixing according to the mass ratio of 1: 1; and the calcium powder, namely shell powder passes through the 100-mesh sieve and is mixed with monoammonium phosphate powder according to the mass ratio of 1: 1, and then the mixture is mixed with powder obtained by premixing the humic acid and the fermented organic fertilizer according to the mass ratio of 1: 1 according to the proportion of 1: 1. 2 to 4 tons of the conditioner are added into each mu, which ensures that the pH value of the prior saline alkali soil is reduced to be between 7.2 and 7.6; at the same time, the volume weight of the soil gets smaller, the cation exchange capacity is increased, organic matter is increased, the variety of microorganisms is increased, and the vegetation is restored. Crops such as purple medic and corn can be planted at the year when the soil is treated. The conditioner has the advantages of low cost as well as simple and convenient use method.

The invention discloses a double-layer ecosystem for wastewater treatment in cold and arid areas. A main body comprises a vegetation restoration layer above a frozen soil layer, an underflow layer anda seepage-proofing layer, wherein the underflow layer and the seepage-proofing layer are arranged below the frozen soil layer; the underflow layer comprises a front end gabion part and a multi-mediumpacking layer, a water distribution well and a water receiving well are arranged on the two sides of the underflow layer, and the water distribution well is provided with an aeration system and a single-sided water distribution tracery wall and a filtering wall; a water outlet collecting pipe is composed of a water outlet collecting branch pipe with holes and a water receiving header pipe; and anemptying valve is arranged at the bottom of the water receiving header pipe, and the water receiving well is provided with an internal circulating pump. Water after treatment in the water distribution well is adopted by the upper-layer vegetation restoration layer to conserve salt-resistant, fluorine-resistant and cold-resistant plants, the soil quality is improved, and vegetation is restored; agap is reserved between an upper layer and a lower layer, so that permeated water after the upper-layer plants are irrigated enters a lower-layer underflow wetland, the water is further purified, andthe water loss is avoided; the lower-layer wetland is located below the frozen soil layer where the ecosystem is located, after waste water passes through a front end gabion layer to be purified in avertical flow mode under the effect of gravity firstly, a water flow goes forward in a self-driving mode along an infiltration curve in a horizontal underflow mode at the middle section and finally enters the water receiving well at the bottom of a bed layer through a water receiving pipe, the operation temperature of the underflow layer is kept to be 8-15 DEG C in winter, and the freezing problemin the cold areas is solved.

The invention discloses an ecological engineering method of converting severely lost soil on a surface layer of a mudflat into a forest land in a quick and highly efficient manner. The method comprise the following steps: firstly, turning over soil in a high-strength and high-frequency manner, and conducting artificial irrigation to accelerate alternation of wetting and drying; and secondly, conducting ridging and salt-leaching; thirdly, applying organic materials, covering the soil with films, removing the films, and ploughing the soil; fourthly, applying organic fertilizers, biochar and calcium superphosphate; and fifthly, planting green manure, and planting shallow-root salt-tolerant trees and shrubs after ploughing down of the green manure. On the basis of artificial acceleration of a natural ecological process, high-strength and high-frequency alternation of wetting and drying and anaerobic/aerobiotic natural ecological processes are conducted on raw soil layers, and organics are artificially added to conduct fermentation to bring heat and maturation, so soil structures can be improved quickly. Salt-leaching is conducted on the basis of ridging of home positions, and the biochar, organic fertilizers and calcium superphosphate are added, so soil nutrients are increased, the soil conservation capacity and the soil buffer capacity are improved, and the pH and the salt content are reduced. The method helps to restore forest lands in a quick and highly efficient manner, and is also suitable for improving and greening destroyed soil or polluted soil with surface layers removed in coastal zones.

The invention discloses an alpine region quicksand treating method with the ligularia virgaurea plant. The treating method comprises the steps that 1 moving sand dunes are settled, and the moving sand dunes formed by grassland desertification formed by over grazing in the alpine grassland are settled; 2 transplanting the ligularia virgaurea seedlings or sowing seeds of the ligularia virgaurea, the ligularia virgaureas on the deteriorated grassland are excavated with shovels before the rainy season, the ligularia virgaureas are transplanted to the moving sand dunes with manpower, and the seeds of the ligularia virgaurea on the deteriorated grassland are collected and sowed; 3 the transplanted ligularia virgaurea seedlings or the sowed seeds of the ligularia virgaurea are covered with covering objects. The alpine region quicksand treating method with the ligularia virgaurea plant has the advantages that the local materials are used, the operation is simple and convenient, the moving sand dunes are fixed with inedible poisonous grass of the livestock, not only can the biodiversity of the grassland be guaranteed, but also vegetation restoration of the moving sand dunes is guaranteed and the vegetation is free from the tread of the livestock, and grassland vegetation fast revegetation and environment improving in Alpine region grassland vegetation are achieved.

The invention discloses an ecological restoration base material for restoring mining wasteland and a preparation method of the ecological restoration base material The ecological restoration base material is prepared from the following components in parts by mass: 30-50 parts of smelting slag and/or mineral slag, 40-50 parts of mining wasteland soil, 20-35 parts of dried and fermented municipal sludge, 20-30 parts of straw, 40-60 parts of residual branch sawdust, 20-35 parts of a water-retaining agent, 15-25 parts of grass seeds, 10-15 parts of urea, 10-20 parts of phosphate, 5-15 parts of a mixture of lime and bicarbonate and 5-15 parts of ferric sulfate. The ecological restoration base material disclosed by the invention is good in water retention property, good in soil stability, rich in organic elements for plant growth, beneficial to plant growth, capable of restoring vegetation of a waste land; and the ecological restoration base material can adsorb heavy metal elements, waste land is improved, and the effect is good.

The invention discloses a desert road slope vegetation soil fixation system and a soil fixation method.The soil fixation system is formed by splicing a plurality of soil fixation modules, each soil fixation module comprises a grating soil fixation plate with a planting opening in the center and a soil fixation basket fixed to the bottom of the grating soil fixation plate, and the soil fixation system further comprises a fixing pile; and the fixing piles are fixed on the fixing plates on the edge of the system. Due to the arrangement of the grating soil fixing plates, the soil fixing baskets and the plants, the stability of the roadbed can be protected, the effects of wind prevention and sand fixation can be achieved, fertilizer and microorganisms can be provided for soil through nutrient soil, the local environment of the soil is improved, and the plants can restore the ecological environment. Therefore, the desert road maintenance method is a desert road maintenance technology integrating multiple functions of preventing wind erosion, improving local soil environment, recovering vegetation and the like.

The invention discloses an integrated root sampling method for a high-cold desert area. Sampling mode optimization of sampling points is carried out on typical sand-fixing plants in an area similar toa high-altitude desert area, and the method specifically comprises the steps of reducing the surface sampling area of a soil column sampling method to (200-100)cm*100cm; determining a horizontal sampling radius of a shrub undisturbed soil root sampling method to be 20-30cm; and determining the horizontal sampling radius of an arbor undisturbed soil root sampling method to be 100-150cm. A root profile soil column excavation method is combined with the undisturbed soil root sampling methods, so that the integrated root sampling method is an integrated sampling method for different horizontal sampling radiuses of roots and different vertical sampling depths of the roots. The root sampling experimental research can be smoothly carried out through small sample sampling, furthermore, massive destruction of vegetation of an existing vulnerable ecological environment is reduced and the vegetation of a protection forest can be quickly restored.

The invention discloses nutrient soil for mine restoration and vegetation recovery and a method of applying the same. The nutrient soil is made mainly from sludge from treatment of urban wastewater and ural crop waste; mud from the nutrient soil by mixing is sprayed to the surface of mineral rocks, the mud has good adhesion, can effusively cover the dust of mines with rarity of separation occurred, and is applicable to the recovery of vegetation on the exposed surface of mines, the vegetation recovery and dust suppression for the surface of slag; refractory sludge from the treatment of urban wastewater and rural crop waste are consumed, the urban environmental issues and rural environmental issues are alleviated effectively, mine restoration cost is reduced, and vegetation recovery effectis improved; vegetation recovery is fast, dust from the surface of slag is lessened, the cost is low, the economic effect is evident, and the nutrient soil is suitable for large-scale popularization and application.

The invention provides a soil conditioner as well as a preparation method and application thereof, the preparation method comprises the following steps: (1) mixing fly ash, a calcium source, potassium hydroxide, an activating agent and water, and uniformly stirring to obtain raw slurry; and (2) carrying out hydrothermal reaction on the raw slurry obtained in the step (1) to obtain clinker slurry, and carrying out solid-liquid separation to obtain the soil conditioner. The soil conditioner is of a hollow porous structure; the specific surface area is 83.3-121.1 m < 2 >/g; and the porosity is 77.2 to 91.8 percent. According to the application, the soil conditioner is applied once every 1-5 years. The application amount each time is 5-500kg/mu; the fertilizer is applied to soil in a rotary tillage, ploughing, hole application or broadcast application mode, or is mixed with seeds and then sown into the soil. According to the preparation method of the soil conditioner, the beneficial element activation rate is increased, the product microstructure is improved, the soil conditioning function and effect are enhanced, the production cost is reduced, and continuous large-scale industrial production of the soil conditioner is achieved.

The invention relates to a method for reducing the transportation of riverway sediment along banks in a pisha sandstone area in the middle reach of the Yellow River. The method comprises the five steps of slowing down the water flow along the banks of a riverway, preventing and controlling water flow eroding and scattering of pisha sandstone, fixing the pisha sandstone (sediment) scattered in theriverway, improving the stability of the slope bottom structure of the pisha sandstone, and restoring vegetation and a micro-ecological environment. According to the method for reducing the transportation of the riverway sediment along the banks in the pisha sandstone area in the middle reach of the Yellow River, according to the physical properties of the pisha sandstone, the unique climate of the pisha sandstone area and characteristics of different plant species of the pisha sandstone area and technical measures, the ecological restoration principles of short cycle, high effectiveness, lowcost, good effect and sustainability are accorded with, an ecological treatment system for the pisha sandstone collapse area along the banks of the riverway is established, the vegetation is quickly restored, the plant-water-mud/sand ecological balance is achieved, and a technical system for efficiently reducing the transportation of the riverway sediment along the banks in the pisha sandstone area in the middle reach of the Yellow River is constructed.