249results about How to "Conserve soil and water" patented technology

The invention relates to a restoration method for a damaged ecosystem in a steep-slope area in a water-level-fluctuating zone of a reservoir. The method comprises the following steps:when the impounded water level is at the lowest point, cleaning the upstream slope in the water-level-fluctuating zone, and manually tamping; digging planting holes at the top of the slope, and planting Chinese red pines and the like to form a multifunctional protective forest belt; digging planting grooves and planting holes within the range of the water-level-fluctuating zone, laying jute geotextile, planting vetiver within the range with the water-level-fluctuating depth of 2m to form a hedgerow; and mixedly planting vetiver and wire grass within the range with the water-level-fluctuating depth of 2-10m to form a combined vegetation slope restoration belt. The protective forest belt, the hedgerow and the combined vegetation slope restoration belt form a three-dimensional restoration space together, thereby ensuring that plants can take roots and restore in the steep-slope area in the water-level-fluctuating zone. By restoring the vegetation in large area, the invention effectively reduces the overland flow and the soil erosion, and improves the fertility and the properties of the soil, thereby restoring the damaged ecosystem. The invention has the advantages of convenient construction and less investment, can not be easily damaged by water, and is applicable to the water-level-fluctuating zone of a reservoir with large water-level-fluctuating range and precipitous topography.

The invention relates to multifunction degradable pollutant liquid mulching film and its preparation method. It includes the following steps: using the degradability of the polyvinyl alcohol and starch, the water retention property of the acrylic acid polymer to synthesize starch group polymer; diluting by water to spray for forming. The mulching film has the advantages of convenient using, low cost, preventing water content from evaporating, degradable, wide application range such as agriculture production, forestation etc.

The invention discloses a special composite isolation layer for ecological restoration of side slopes of an acid waste-rock yard, comprising a plastic biaxial geogrid, a soil improvement layer and a water discharging plate. The invention further discloses a method for ecological restoration of the side slopes of the acid waste-rock yard, comprising the following steps: arranging the composite isolation layer, an ecological rod, a geogrid mesh, a base material layer and a seed layer on side slopes, leading the plastic biaxial geogrid, the ecological rod, the composite isolation layer, the base material layer and the seed layer to act mutually, effectively improving the growth conditions of plants and leading the growth of the plants to have sufficient water and nutrients. The invention better realizes the ecological restoration and creation of ecological landscapes on the side slopes of the acid waste-rock yard without conditions for plant growth, and simultaneously guarantees the structure and stability of the side slopes, thus achieving the purposes of greening and beautifying the environment, conserving water and soil and inhibiting runoff, also having simple construction technique, easy implementation and high efficiency and being suitable for large-area application.

The invention relates to a restoration method of polluted soil. The restoration method comprises the following steps: adding an extracting solution into the polluted soil to extract heavy metals in the polluted soil, planting wetland plants in the polluted soil, and obtaining the plants with enrichment of the heavy metals after one growing season. The restoration method has the advantages that the heavy metals in the soil are extracted in situ, and aquatic plants are used for absorbing the heavy metals enriched in the extracting solution, so that the aftertreatment problem of the leached liquid from soil extraction and the problem of loss of nutrient components such as nitrogen, phosphorus and potassium and the like in the soil after soil extraction are solved; and an innovative idea and an innovative path are provided for restoring the soil polluted by the heavy metals.

The invention relates to an exposed slope ecological restoration construction method using fermented sludge as a medium. The exposed slope ecological restoration construction method comprises the steps of: paving ecological rods on a slope surface of a slope in a contour manner and fixing the ecological rods through anchor rods; after the pavement of the ecological rods, performing bidirectional geogrid pavement to enable the bidirectional geogrid to cover the slope surface of the whole slope, and fixing the bidirectional geogrid on the slope surface of the slope through the anchor rods; spraying an underlying substrate on the slope surface where the ecological rods and the bidirectional geogrid are paved to enable the underlying substrate to cover the whole slope surface and the outer surfaces of the bidirectional geogrid and the ecological rods; after the underlying substrate is basically solidified, spraying a seed layer to enable the seed layer to cover the whole underlying substrate. The provided method achieves very obvious water and soil conservation effects and remarkable ecological fixation function on the slope, simple construction process, easy implementation, high efficiency and good effects, is suitable for large-area application, and has an obvious effect of optimizing the ecological environment and long-term significance.

A plant method for in-situ treating the soil polluted by Cd features that the plant Dongnan Jingtian is directly planted in the polluted soil for absorbing the Cd from the soil and after the plant is growing for 3-4 months, it is removed. Its advantages are high effect and speed and no secondary pollution.

The invention provides an ecological restoration method for soil in a chemical industrial area. The ecological restoration method includes the following steps that pollution indexes of the soil in the chemical industrial area are detected; deep ploughing is conducted, clay not smaller than 30 cm under the ground surface is turned up, and the soil is loosened and watered to be wet; a compound microorganism bacterium agent is thrown into the soil with the dosage ranging from 30 ppm/m<2> to 50 ppm/m<2>; terrestrial invertebrates are thrown into the soil; plants are planted on the soil; the pollution indexes of the soil in the chemical industrial area are detected; and the above steps are repeated every other 30 days to 60 days till the quality of the soil meets the requirements. By means of the ecological restoration method for the soil in the chemical industrial area, biological diversity of the soil is restored, the quality of the soil is improved fundamentally, the self-purification capability of the soil is restored fundamentally, and the pollution phenomenon is effectively eliminated. The method is used for strengthening the self-restoring capability and the self-cleaning capability of the nature, and meanwhile the ecological restoration method has the beneficial effects that the running cost is low, and the pollution treatment effect is good.

The invention relates to a method for grading and utilizing waste material of sandstone system production, including the following steps: 1) sieving and washing are carried out; 2) slurry obtained by sieving is subject to separation of fine sand powder and slurry by virtue of a hydrocyclone grading device; 3) the fine sand powder is subject to high frequency sieving and dewatering, and the slurry is placed into a setting device, so as to further separate water and concentrated slurry; 4) water is returned to the washing step, and the concentrated slurry is subject to filter pressing or filtering and then is delivered to a waste material stock yard. In the method for grading and utilizing waste material of sandstone system production provided by the invention, a hydrocyclone grading device is added in slurry sand grading production process to separate fine sand powder and slurry, and a high frequency sieving dewater procedure is adopted, recycling of fine sand powder from slurry is realized, by adopting the method of the invention, more than 90% of useful material can be recycled from slurry, and more than 70% of recycling can be realized after waste water is purified.

The invention provides a biodegradable algae liquid plastic film, which is characterized by comprising the following components in parts by weight: 100 parts of algae extract, 2-10 parts of polyacrylate alginate jelly resin, 50-70 parts of lignosulfonate, 10-20 parts of humic acid, 20-30 parts of molasses or biochemical fulvate or a mixture of molasses and biochemical fulvate at a weight ratio of 1: 2, 10-20 parts of carboxymethyl cellulose and 300-500 parts of water. In addition, the invention also provides a preparation method of the algae liquid plastic film.

The invention discloses a cultivation method for interplanting osmanthus trees in a tea garden. The tea garden is in hilly terrain, and the row/line space between tea trees is 25cm*1.5m. The cultivation method for interplanting the osmanthus trees in the tea garden comprises the following steps: 1) applying a base fertilizer to the entire land; 2) planting the osmanthus trees, wherein the distance between an osmanthus tree seedling and the tea tree is greater than 50 cm; and 3) performing subsequent management: pruning the osmanthus trees. By adopting the cultivation method disclosed by the invention, the gap between the tea trees can be sufficiently used, the workload of intertillage weeding is reduced, the water and soil are conserved, the tea garden fill is reduced, and higher economical benefits are achieved based on the limited land resources. The tea leaves picked by utilizing the cultivation method can be directly used for making osmanthus tea without bringing harmful substances into the osmanthus, the quality of the tea leaves is improved, the tea making processes are reduced, and the tea making cost is saved.

The invention relates to an ecological restoration method of a hydro-fluctuation belt. The ecological restoration method comprises the following steps of: firstly prefabricating a concrete module on which Bermuda grass can be planted; planting the Bermuda grass resistant to flooding on the concrete module; flattening and tamping a side slope of the hydro-fluctuation belt, and constructing a reinforced concrete lattice frame; backfilling a planting matrix; and finally constructing and curing concrete blocks of a Bermuda grass lawn so as to form a complete full concrete-covered greened side slope of the hydro-fluctuation belt. The ecological restoration method has the beneficial effects of forming a stable side slope protection structure, preventing the side slope of the hydro-fluctuation belt from being directly washed by water waves, and protecting the soil of the hydro-fluctuation belt against erosion, thus achieving the purpose of conserving water and soil; and meanwhile a complete vegetation-covered landscape is formed, thus improving an ecological environment and achieving a wide application prospect and good environmental, social and economic benefits.

The present invention relates to a method for controlling desertified land, and starting with the restoring and reconstructing microecologic environment and including the following three steps: (A). making enrichment culture of microbial algae and fungi in the microecologic environment of land block to be controlled; (B) separating out dominant group from them, using modern bio-engineering technique to make large-scale culture, then inoculating the cultured organism into the land block to be controlled; and (C). directly adding nutrient elements necessary for microbial algae and fungi into the land block to be controlled, at the same time planting drought-resistant plants, and utilizing sunshading net to cover and fix then on the controlled land block surface.

The invention belongs to the technical field of ecological restoration of discarded land in mining area, relating to a stable ecological restoration technology for vegetation on the side slope of a late dam of a tailing pond under the condition of no earthing soil, and realizing a root system network for sand consolidation by planting vetiveria zizanioides and seeding side slope afforesting grass seeds between the seed rows of the vetiveria zizanioides, wherein the proportioning of the side slope grass seeds are Bermuda grass, white clover, alfalfa and astragalus adsurgens the proportion of which is 5-10:1-2:1-2:1-2. The method of the invention can be used for carrying out ecological restoration of the side slope of late dam of the tailing pond under the condition of no earthing, has the effects of stabilizing side slope, conserving water and soil, restraining running water and raising dust of the tailing sands and the stable vegetable layer is established by using the method.

The invention discloses a spatial planting method of abandoned lands, wherein, the method is a production operation way which farthest uses forestry land resources to obtain economic benefit by planting plants with higher economic benefit such as forests, vegetables, medicinal materials, flowers, and the like, in the abandoned lands and open spaces among the forests. The method comprises the steps of selecting undergrowth wild dominant plant varieties which are suitable for the spatial planting in the abandoned lands by means of the following techniques: researching plant varieties resources-preliminary screening the undergrowth wild dominant plant varieties-market researching-further screening the undergrowth wild dominant plant varieties-synthetically quantitative scoring; collecting wild teasel root seedlings; culturing seedlings; transplanting; tending; and harvesting, so as to farthest use the forestry land resources to obtain economic benefit, increase the pure income of farmers and have a good function for promoting the growth and the fruiting of the main tress in the abandoned lands. The method also can be taken as an important approach to reduce the dependency to the wild resources, maintain species diversity and eubiosis, change resource superiority into economic superiority, and increase the income of the farmers.

The invention discloses a double-cropping straw-returning farming method for wheat and maize, comprising the following steps: (A), lofting a ridge surface; (B), ploughing a ridge furrow; (C), spreading base fertilizer; (D), sowing the maize; (E), returning the wheat straws to the field; (F), furrow deepening and hilling; (G), cleaning the furrow and covering the seeds; (H), managing the field; (I), burying the straws; and (J), ploughing and planting the wheat. Summer maize is planted in the winter wheat stubbles; the method is free of tillage and holes, and rational in close planting; each ridge is sowed in drill in two rows; the wheat straw is covered between the rows of the maize ridge surface; the maize straw is collected in the ridge furrow, buried and returned to the field; the water and soil is conserved; the environment is protected; fertility is collected and water is stored; the fertility is increased and the soil is improved; the production of wheat and maize is stable and high; in a 5-year period, the ridge furrow moves towards the same direction; the ridge surface at the field edge is irregular; other ridge surfaces are standard so that the ploughing layer of the full field can be 30cm deep; the soil organic matters are largely increased so that the method is a farming method for improving middle/low-production field and providing high-production field; and the economic benefits, the social benefits and the ecological benefits are increased.

The invention belongs to the technical field of tree planting, and particularly relates to a method for keeping alive bare-root transplanted zelkova serrata. The method sequentially includes four steps of A), digging trees; B), pruning; C), spraying protective agent; D), loading and transporting and transplanting and the like. When necessary, the method further includes step of E), maintaining and managing after transplanting. By the method, a conventional working mode of transplantation of the zelkova serrata with soil balls is broken up, soil loss in a nursery garden is avoided, and conservation of water and soil is benefited; working efficiency is improved by implementing processes of digging, transporting and transplanting and the like in a mechanized way; convenience is brought to loading, loading capacity of each vehicle is increased by more than a third, so that transportation cost is reduced; by a series of scientific and practical processes, survival rate of the bare-root transplanted zelkova serrata is ensured to be similar to the transplantation of the zelkova serrata with the soil balls; therefore, the method for keeping alive the bare-root transplanted zelkova serrata has good application prospect in the technical field of the tree planting.

The invention relates to a method for growing zenia insignis chun in rock desertification regions. The method is characterized by comprising the following processes of: seed selection and seedling growing, prevention and control of pest and disease damage, field planting, felling management and the like. According to the method, good zenia insignis tree planting procedures can be provided for the development of forestry and farmers; and after the zenia insignis chun is planted, the ecological environments of rocky mountain regions can be improved, industries can be adjusted, the cultivation of flocks and herds and the development of free-ranging lac insects can be simultaneously promoted, water can be conserved after hillsides are greened, soil and water can be preserved, the economic growth of villages can be promoted, and attractive mountainous landscapes in southwest rock desertification regions can be recovered.

The invention provides an asexual propagation cultivating method for rhubarb vine, and relates to a plant breeding method, in particular to a medicinal plant breeding and cultivating method. The invention uses a twig of the rhubarb vine for cuttage and seedling, and the breeding method is as follows: A. the selection of a cuttage bed; B. the tidying up of the cuttage bed; C. the collection of the cuttage tress; D. the disinfection process of the tress; E. the cottage and management; F. the selection and the tidying up of the planting filed and the growth environment; G. the transplant and the management of the water and the fertilizer; I. to the arranging the rattan for climbing the frame; J. the prevention and cure of the pest. The actualization of the invention can improve the artificial breeding rate of the rhubarb vine, shorten the breeding period, avoid the excess pick of the wild rhubarb vine, protect the resource of the rhubarb vine, realize the industrialization planting of the rhubarb vine, facilitate the development and utilization of the rhubarb vine, provide process material to the pharmacy corporation for bright-marketing product, protect the wild resource, and preserve the water and oil.

The invention belongs to a cultivation method for the seabuckthorn fruit asexual propagation, especially relating to a method for breeding the seabuckthorn fruit with no lunge and big fruit, comprising: employing the sprig growing in the parent tree of 2-3 years old of Liaofu 1 and Liaofu 2 which grows no lunge and big fruit as cutting branch for the asexual propagation, building seed bed and irrigating facilities, proceeding cuttage and management after the cuttage, etc. The seabuckthorn fruit with no lunge and big fruit is the strain with high quality among the seabuckthorn fruit strains, the breeding speed of seedling is high by applying sprig for cuttage, the breeding speed can be increased by employing the water from square pool in the spray irrigation with the average plant height 11 cm higher, ground diameter 0.09 cm wider than that of employing water from deep well in the same year, the plant percent is 95%, 15% higher than former, the survival rater of nursery transplant is 80%, 8% higher than former.

The present invention discloses a desert wind break forest system including a tree and shrub wind break forest belt, shrub wind break forest belts, licorice belts and poultries, wherein the shrub wind break forest belt are located in two sides of the tree and shrub wind break forest belt, and the licorice belts are planted in interval space of shrubs and/or trees. The poultries are fed in free range in the wind break forest system, and in the tree and shrub wind break forest belts, row spacing of the trees is 2.8 to 3.2m, line spacing of the trees is 2.8 to 3.2m, row spacing of the shrubs is 1.5 to 2m, and the trees and shrubs are planted at equal space apart. In the shrub wind break forest belts, row spacing of the shrubs is 1.5 to 2m, and line spacing of the shrubs is 2 to 3m. By the above technical scheme, the desert wind break forest system has various plants and strong insect disease resistance, and is stable, so that the soil and water of the desert and water sources can effectively conserved.

The invention relates to a bank-protecting and pollutant-cleansing combined type ecological building block and construction method. The ecological building block provided by the invention is formed by casting sand-free concrete, and has a bottom face and two standing faces; the overall ecological building block is tse(a cyrillic alphabet)-shaped; a side concave groove is arranged at one side of the bottom face, and a side bulging part capable of being chelated in relative to the side concave groove is arranged at a same position at the other side of the bottom face, corresponding to the side concave groove; and a concave groove is arranged at the bottom of a lower bottom face of one standing face, and a bulging part corresponding to the concave groove is arranged at the top of the other standing face of a same ecological building block and can be chelated with the concave groove. The invention overcomes the defects of collapse caused by small size of individual bank-protecting ecological building blocks, and easy loss of soils and plants as well as original soil bodies of rivers and lakes, and the like. The bank-protecting and pollutant-cleansing combined type ecological building block can resist impacts of water waves, prevent flood, and maintain water and soil stable, is not prone to cause the phenomenon of collapse on the bank, can be used for plant planting and cleansing of the pollutants from the bank, can be prefabricated in batch by a factory and has the advantages of low fabrication cost, simplicity for assembly in construction, and great time-saving performance for construction.

The invention discloses a planting method of sea backtherns. Silty loam or light silty loam having deep soil horizon, loose soil, favorable ventilation property and suitable pH of 7 to 8 is selected, the asexual propagation seedling or root shoot seedling of stingless hippophae rhamnoides L. or soft-sting hippophae rhamnoides L. of which hundred fruit grain masss is above 50g and average single plant yield is above 2Kg is taken as a planting seedling; different methods are used for land preparation according to different planting areas, male seedlings and female seedlings are planted according to the ratio of 5-8:1, female seedlings are arranged on the periphery, and male seedlings are arranged in the middle; field management is carried out during the links, such as fertilizer and water management, reasonable pruning, insect disease prevention and treatment, etc.

The invention relates to a method for preparing biological carbon used for capturing and storing carbon dioxide in the air from miscanthus, comprising the following steps: culturing the miscanthus, harvesting the miscanthus, preprocessing the miscanthus and producing the biological carbon. In the step of processing the miscanthus, the stalks of the harvested miscanthus are air-dried and cut into segments with certain length so as to be suitable for smokeless coking process, and then the stalks of the processed miscanthus are produced into the biological carbon at high temperature of 400-700 DEG C in the absence of oxygen by the smokeless coking process. The biological carbon storage methods comprise a centralized biological carbon storage method and an indirect biological carbon storage method. The biological carbon can be used for soil reclamation or as strategic reserve energy. The biological carbon can be used for economically and efficiently capturing and storing the carbon dioxide in the air without causing pollution to environment.