967 results about "Soil and water loss" patented technology

The invention discloses a method for planting fruit trees in sloping fields, comprising the steps of 1, garden site selection, wherein sloping fields with the gradient smaller than 20 degrees are selected as the planting area; 2, improvement on soil of the garden site, wherein grass grows between lines so as to prevent water and soil loss, and the grass can be taken as green manure to be returned to the garden site after being cut, so as to further improve the soil environment of the garden and fertilize the soil productivity; 3, planning of functions of the area of the garden site, wherein planting areas, roads, arrangement of drainage and irrigation systems, rooms for management, tools and rooms for agricultural materials, packaging fields, dosing pools and protection forest zones are planted on the area of the garden site; and 4, planting fixing and planting of the seedlings, wherein planting density, planting method and fruit tree support arrangement are determined according to the varieties of the planted fruit trees, the fruit trees are planted in the planting zone, region planning is carried out on the sloping field, the soil of the sloping field is improved, the fruit trees are planted according to lines or rows, and terrace-type planting is not carried out any more, thereby being convenient for work of mechanical devices and keeping the original landform of the sloping field.

The invention discloses a horizontal placement, inverted plantation and cultivation method for understory polygonatum cyrtonema Hua and belongs to the technical field of artificial cultivation. The method comprises the following steps: (1) selecting a forest stand; (2) selecting a forest land; (3) treating the forest land; (4) selecting seed stems; (5) performing topping and topdressing; (6) performing harvesting. A seed stem placement method is a horizontal placement and inverted plantation method. According to the horizontal placement, inverted plantation and cultivation method for the understory polygonatum cyrtonema Hua, unique technologies such as a close planting technology, a topping technology and a covering technology are developed, the yield is increased obviously, the quantity of buds is large, the method can be widely applied to understory interplanting for castanea henryi forests, castanea mollissima forests, moso bamboo forests and Chinese fir forests, the high yield is achieved, the water and soil loss is reduced, the ecological environment is protected, and the horizontal placement, inverted plantation and cultivation method for the understory polygonatum cyrtonema Hua is a production technology laying equal stress on the economical benefit and the ecological benefit.

The invention discloses a desert treatment technology, and is characterized in that: sand and stones in desert are piled into square, bar or crisscross sand barriers and are compacted, and then cement paste or lime mortar is sprayed or smeared on the surfaces of the sand barriers so as to form hard concrete epidermal layer; then drought-enduring vegetative cover is planted between sand barriers; the sand barriers are built on the desert in the combination with building materials such as cement and lime by using natural resources sand and stones in desert, thereby having the functions of sand fixation, water retention, windproof performance, soil and water loss prevention, easy plant growth, and achieving the effects of long-term desert treatment at low cost; therefore, the invention is a simple, convenient and easy technology for desert treatment, which is capable of manual work and also mechanical construction.

The invention discloses a method for interplanting pineapples and macadimia nut trees. The method mainly comprises the following steps: (1) determining soil reparation requirements; (2) selecting varieties; (3) determining the planting time; (4) determining the planting specifications; (5) treating seeds and seedlings; (6) determining a planting method; (7) determining a fertilizing method; (8) performing field management; (9) controlling diseases and pests; (10) harvesting fruits. By the method, through scientific setting of the row spacing and the plant spacing between the macadimia nut tree and the pineapples and in combination with a reasonable interplanting technique and other measures, land resources are utilized to the maximum extent, the weed growth is inhibited, the soil erosion is reduced, the fertilizer utilization rate is improved, the ecological environment is improved, the soil fertility is improved, management and maintenance are facilitated, the production cost is reduced and the economic benefits are increased.

The invention discloses a method for interplanting Hunan polygonatum odoratum under camellia oleifera forest, and relates to the field of economic forestry planting technologies. The method includes planting procedures of firstly, selecting interplanting camellia oleifera forest lands; secondly, preparing the interplanting forest lands; thirdly, preparing to-be-planted forest lands, to be more specific, (1) fertilizing the to-be-planted forest lands and (2) furrowing the forest lands; fourthly, carrying out pre-plant preparation, to be more specific, (1) selecting seeds and (2) digging planting ditches; fifthly, planting the Hunan polygonatum odoratum, to be more specific, (1) determining the planting time and (2) planting the Hunan polygonatum odoratum; sixthly, carrying out management, to be more specific, (1) carrying out management in first growth years and (2) carrying out management in second growth years; seventhly, carrying out harvesting. The method has the advantages that soil can be fertilized, diseases and insect pests can be reduced, soil and water loss can be prevented, the yields of camellia oleifera and the polygonatum odoratum can be increased, and the quality of the camellia oleifera and the polygonatum odoratum can be improved; the soil service cost can be lowered, and the method is applicable to interplanting the Hunan polygonatum odoratum under the recently planted camellia oleifera forest with the slope within 25 degrees and tree ages of 3-10 years and is also applicable to interplanting other sciophilous precious medicinal materials.

The invention discloses an in-situ remediation method for mining area watershed heavy metal pollution bottom sludge.The method includes the following steps that a slope wall is arranged; a bank side riverbed slope is leveled, and a layer of geotextile is laid on the bank side riverbed slope; the mining area watershed heavy metal pollution bottom sludge is obtained to be stirred and mixed with a heavy metal pollution restoration agent, and the mixture is laid on the geotextile and stabilized for a certain period of time to form a restoration bottom sludge layer; plants are planted on the restoration bottom sludge layer.By means of the method, on one hand, the problem of riverway pollution bottom sludge accumulation can be solved, and on the other hand, the problem of bottom sludge heavy metal pollution is effectively solved due to addition of a bottom sludge matrix restoration agent and combined planting of riverway plants.Besides, riverway landscape is attractive, and water quality is continuously and effectively improved.Plant intercropping is beneficial to restoration of bottom sludge polluted by heavy metal and stabilization of the slope, and soil and water loss is prevented.

The invention provides a method for herbaceous plants to cope with global climate change. The method comprises the steps of 1, with herbaceous plants being the main body, managing stony desertification and desertification, controlling coastal erosion and water and soil loss and preventing an earth ecological system from collapsing and breaking down; 2, planting the herbaceous plants in regions with the stony desertification, the desertification, the coastal erosion and the water and soil loss, fixing the surface soil layer, recovering or rebuilding vegetation and controlling emission of carbonin lithosphere to atmosphere and hydrosphere; 3, utilizing the characteristics that the fast-growing herbaceous plants are fast in growth and development, high in carbon capturing efficiency and hugein biomass, convert movable carbon in the atmosphere into fixed carbon, develop new climate economy, further promote the increase of the amount of the fixed carbon in the industries of agriculture, forestry, animal husbandry, side-line production and fishery and achieving a world zero carbon development mode. Ecological development is the best carbon emission reduction mode, and carbon dioxide isprecious wealth of the human. Respecting the nature, conforming to the nature, protecting the nature and guiding the nature solve the problem of ecology, environment, resources, economy and global climate warming.

The invention discloses a corrosion-resistance and growth-promotion binary three-dimensional configuration mode suitable for a pisha sandstone area typical geomorphological structure. Different treatment modes are adopted for different three-dimensional spatial positions such as a slope top, a trench slope and a trench bottom, different plants are planted in a matched mode, corresponding engineering measures are taken, and thus the good effects of solidifying pisha sandstone, promoting growth of plants, preserving soil and water and controlling soil and water losses of a pisha sandstone area are achieved. By means of the method, soil and sand can be stabilized, and meanwhile vegetation recovery of the pisha sandstone area is promoted.

The invention discloses a basin weir system used to treat soil and water loss and the construction method thereof, and is an engineering type measure of treating water erosive soil and water loss. The invention proposes to use the natural energy and sediment resource after rain to fill mold bags with the earthwork cloth as the packing material to construct a mold bag body to blow-fill and fill up the soil body. Single-weirs and slope weirs are constructed in the gullies of river channels and branches, and multi-level valley plains and bank terraces are deposited, thereby forming a river channel gulley weir system; initial weirs are arranged on the slopes to store the slope radial flow sludge water, ditch weirs and slope weirs are constructed by organizing the overflow of the initial weirs and paving pipelines to self-flow to fill the mold bags, the gullies and the terraces at the lower slopes are deposited as well as blown and filled, thereby forming a slope weir system; ditch weirs, slope weirs and trap weirs are constructed at the edge zones of tablelands and ridges, the intact flat form of the edges of the tablelands and the ridges is restored and retained, thereby forming a tableland ridge edge weir system; the river channel gulley weir system, the slope weir system and the tableland ridge edge weir system form the basin weir system, thereby realizing the intention of roundly treating soil and water loss with engineering measures.

The invention relates to a geo-cell type ecological ditch. The cross section of the ditch is ladder-shaped; a layer of plastic plated wire mesh (1) is respectively covered on the side slopes of the ditch; reticular cells (2) are covered on the plastic plated wire meshes (1); slope protection plants (3) are planted in the reticular cells (2); and hygrophytes (4) are planted at the bottom of the ditch. The ecological ditch provided by the invention is used for decreasing the water and soil loss, controlling the agricultural non-point source pollution, keeping the ecological diversity of the farmlands and the habitats of the animals and plants, beautifying the peripheral landscape environment, providing a growth platform for the plants and purifying the water quality and has the advantages of being convenient in construction, rapid in installation and simple and convenient in maintenance.

The invention relates to a solid projection bullet as well as a projection device and a delivery method thereof. The solid projection bullet is characterized by comprising a shell case; functional mediums such as gravels or/and soil are filled inside the shell case; and the shell case is made of fiber fabric, or the shell case is made of a flexible or rigid material which is easy to break due to collision. The solid projection bullet provided by the invention uses the gravels or/and the soil as the functional mediums. The solid projection bullets containing the different functional mediums can be selected. The solid projection bullet can be delivered by using a projection device, so that not only can the high firing range or the long-distance extinguishment be realized, but also a lot of the other functions can be realized, such as the solid projection bullet using the sand or the soil as the functional mediums can used for the high-firing range or the long-distance extinguishment in the fields, such as a high-rise building, a forest, an oil field and the like; and the solid projection bullet using the soil as the functional medium can realize the ecological recovery of a sandy land or relieve water and soil loss and the like of a barren mountain and a grass field.

The invention discloses a garden drainage system for a sponge city. The garden drainage system comprises a water storage tank buried in a soil layer, a bearing net is fixed at the upper end of the water storage tank, a gravel layer is paved at the upper end of the bearing net, a planting layer is paved at the upper end of the gravel layer, a water intake pipe communicating with the water storage tank is inserted into the upper end of the planting layer in a penetrating mode, a water pump is fixed at the upper end of the water intake pipe, and a nozzle is fixed in the water outlet in the upperend of the water pump. The garden drainage system has the advantages that, when the rainfall is higher, the rainwater quickly accumulates in a drainage box, a floating plate moves upwards under the effect of buoyancy accordingly, a though groove is closed accordingly, and the rainwater no longer enters the water storage tank and is directly discharged to an urban sewage pipe through a drainage pipe, so that when the rainfall is higher, the water storage tank cannot be quickly filled by the road rainwater, the water storage tank can retain a larger space so that timely seepage of the planting layer is ensured, and soil and water loss due to the delayed seepage of the submerged planting layer when the rainfall is higher is avoided.

The invention relates to a sediment content reflective measuring method and a sediment content reflective measuring device. The sediment content reflective measuring method includes the following steps of firstly, setting a sediment content measuring device comprising a near-infrared sensor, a single-chip microcomputer, a power source driving circuit, an amplifying circuit and a data acquirer; secondly, calibrating sediment content of sediment carrying flow to be measured and building a calibration model before measuring; and thirdly, disposing the near-infrared sensor into the sediment carrying flow to be measured, repeating the above steps to acquire optical signals reflected by sediment and voltage signal intensity value of reflecting light, and calculating the sediment content of the sediment carrying flow to be measured according to the calibration model, wherein the near-infrared sensor comprises light source, a photoelectric detector and a glass plate. The sediment content reflective measuring method and the sediment content reflective measuring device can be widely applied to areas with serious water losses and soil erosion and particularly applicable to measuring sediment carrying flow high in sediment content.

The invention discloses an ecological slope protection structure for preventing soil erosion and a construction method thereof. The slope protection structure comprises a gabion box foot protecting wall, an anti-scouring retaining wall and a slope protection layer which are arranged from bottom to top sequentially along a slope surface. Planting pipes are evenly distributed on the slope protectionlayer, the planting pipes penetrate through the slope protection layer, and the slope protection layer comprises an inverse filtering layer, an ridging layer, a pebble layer and a protective brickinglayer arranged in sequence from bottom to top. The anti-scouring retaining wall is formed by stacking planting boxes in an up-down staggered mode. The construction method comprises the (a) step of cleaning the slope surface, the (b) step of burying foundations, the (c) step of erecting the retaining walls, the (d) step of arranging the planting pipes, the (e) step of laying the rest of the slopeprotection layers, and the (f) step of constructing a top surface. According to the ecological slope protection structure for preventing the soil erosion, the structural stability is high, the anti-scouring capacity is high, air permeability and water permeability are achieved, the ecological benefit is high, the landscape property is good, the effect of preserving soil and water is good, the construction method is rapid and convenient, the construction is easy, the construction period is short, the construction quality is easy to control, the number of devices related is small, the construction cost is low, and the maintenance is simple.

The invention discloses a vegetation bag ecological slope protection construction method and a vegetation bag rainwater treatment system. The vegetation bag ecological slope protection construction method comprises the following steps: (a) performing construction preparation; (b) measuring and lining; (c) excavating a foundation pit; (d) pouring concrete to obtain a slope foundation; (e) performing primary rainwater treatment system construction; (f) performing whole slope construction; (g) manufacturing beam grillages; (h) performing secondary rainwater treatment system construction; (i) stacking vegetation bags; (j) planting plants. According to a vegetation bag ecological slope protection system, plant growth substrates are fixed to the interiors of vegetation bags, so that a side slope is more stable and has erosion resistance by utilizing the anchoring effect of the roots of plants; the slope protection foundation which is erosion-resistant, firm and breathable, and suitable for the growth of the plants is formed by combining the characteristics of the beam grillages and the vegetation bags. Meanwhile, the rainwater treatment system is added, so that rainwater is stored in a rainy season and can be used for irrigating the plants in a dry season; on one hand, the slope protection pressure is relieved, and the water and soil loss is further prevented; on the other hand, the rainwater treatment system is favorable to the growth of the plants.

The invention belongs to the technical field of soil improvement, and particularly relates to a tobacco field soil improvement method. The tobacco field soil improvement method is suitable for flue-cured tobacco planting regions in Chongqing, Henan, Shaanxi, Yunan, Guizhou and the like. The tobacco field soil improvement method includes the steps of sowing of ryegrass, turning and pressing of the ryegrass, application of a tobacco field conditioner, deduction of the tobacco fertilizing amount and the like. The proper green manure variety, the proper turning and pressing amount, the proper turning and pressing period and the proper turning and pressing mode which are needed when green manure is used for improving a tobacco field, the proper fertilizing amount after the green manure is turned and pressed and the like are utilized, the soil bulk density can be reduced, the soil porosity is increased, the soil organic matter content and the microbial population diversity are increased, water and soil loss of the tobacco field can be reduced, the effectiveness of soil nutrients is improved, the fertilizer utilization rate is increased, the appearance quality of tobacco is improved, the first-class tobacco proportion is increased, the interior quality is improved, sustainable development of tobacco production is facilitated, and remarkable social benefits and economic benefits are generated.

The invention discloses a shield launching method for a soft earth layer. An earth pressure balance shield machine is used for directly excavating and cutting a well wall to enter a well, a certain amount of filler is injected into an earth bin in advance before a cutter head of the earth pressure balance shield machine advances in front of an excavation surface, the active earth pressure is built up inside the earth bin to enable the pressure inside the earth bin to be balanced with the earth layer pressure of the excavation surface, conditions for earth pressure balance tunneling are satisfied, the disturbance to a stratum is reduced during construction, water and earth losses are prevented, ground collapse is avoided, and safe launching is realized. The method comprises the steps as follows: 1) the geology of a launching section is measured; 2) specific parameters of pressure buildup of the launching earth bin are determined, and the earth layer of the excavation surface is reinforced; 3) the filler is injected to build up the pressure; 4) the pressure of the earth bin and ground surface bulges and pits are monitored; and 5) the shield machine excavates, cuts and launches directly. The shield launching method is full-automatic and convenient to operate, short in construction time, high in efficiency, low in capital investment and capable of ensuring the construction timeliness and satisfying policy construction demands.

The invention provides a method for improving soil by using an organic garden mulch. The method comprises the following steps that 1, composting and decomposing treatment is conducted on garden greening waste, straw, wasted mycelia, edible mushroom waste and furfural residues, and the organic garden mulch is obtained after dyeing processing; 2, the organic garden mulch covers the leveled soil surface. By adopting the method, the phenomenon that the area of exposed ground of an urban garden is excessive can be improved, raising dust, dust particle adsorption and air pollution are reduced, water and soil loss and soil hardening of the exposed ground are avoided, a processing technology is simple in condition, the operating requirements are low, the appearance requirements can be met, and the acid-base property and the organic matter, nitrogen, phosphorus and potassium content of soil and a soil structure can be also improved.

The invention provides a basalt fiber and polyvinyl alcohol combined anti-erosion construction protection method for a silt slope, and relates to the technical field of geotechnical engineering slope protection. The invention discloses the three-layer slope anti-erosion protection layer and a design and construction method thereof. The protection layer comprises silt, basalt fibers and modified polyvinyl alcohol mixed soil. A surface protection layer is a common spray-seeding or earth spraying grass planting layer with the thickness ranging from 0.5 cm to 2 cm; a middle protection layer is a mixed layer comprising the silt, basalt fibers and modified polyvinyl alcohol containing a vegetable nutrient solution, the thickness of the mixed layer ranges from 2 cm to 5 cm, and the lengths of the basalt fibers range from 6 mm to 20 mm; a bottom protection layer is a mixed layer comprising the silt and basalt fibers, the thickness of the mixed layer ranges from 5 cm to 15 cm, and the lengths of the basalt fibers range from 20 mm to 30 mm. The method integrates multiple anti-erosion technologies including grass planting, reinforcement and curing agents, mainly aims to eliminate the phenomenon that water and soil loss is prone to occurring on the silt slope under rainfall erosion situations, and has the advantages of being capable of meeting the requirements for low carbon and environment protection, convenient and quick to construct, low in manufacturing cost, and capable of integrating reinforcement, erosion resistance and greening.

The invention discloses a highway pavement, tunnel distress diagnosis system based on computer image processing. The highway pavement, tunnel distress diagnosis system comprises a hardware part and a software part. The hardware part comprises coherent type laser pavement detection equipment, three-dimensional continuous type laser detection equipment, a main control computer unit, a data recording storage unit, an electrical unit, and an environment guarantee unit. The software part comprises a highway tunnel distress information database, a distress processing module, a distress diagnosis module, an expert diagnosis platform, a backstage operation system, and other modules. After various function and performance debugging, the software part is proved to be provided with a highway pavement, tunnel distress diagnosis-related image processing function, a distress diagnosis function, an expert on-line diagnosis function, and a function of proposing a maintenance scheme and a suggested scheme, and is capable of providing a data, information, process, result integration highway pavement, tunnel distress detection mechanism. Highway, tunnel structural safety and driving safety are guaranteed, tedious work of engineering technicians is reduced, and a significant meaning is provided for environmental protection, reduction of soil and water loss, and reduction of maintenance costs.

The invention discloses a novel riverway ecological slope protection structure and a slope protection method thereof. The novel riverway ecological slope protection structure includes ecological blocks and anchor nails, and the two ecological blocks adjacent to each other in an up-down or left-right mode are fixedly connected by the anchor nails. The slope protection method includes the steps of riverway slope protection surface cleaning, foundation construction, ecological block machining, ecological block construction, water retaining mechanism removal, and slope protection maintenance. According to the novel riverway ecological slope protection structure, connection strength and stability between the two adjacent ecological blocks adjacent to each other in the up-down or left-right modeare greatly improved through the anchor nails, thus the stability of the entire ecological slope protection structure is improved, the protection effect of the slope protection structure is improvedto prevent water and soil loss on the riverway slope protection surface, the slope protection method is simple in steps and high in practicability, slope protection construction of different riverwayslope protection surfaces can be met, the construction efficiency is high, the construction period is shortened, and the effect of preventing soil and water loss is significant.

The invention relates to a treatment method for slight stony desertification in a karst mountainous area. The method includes the steps that a planting combination of economic fruit tree forest and crops is adopted for the same cultivated land unit, shrubland and unutilized land are mainly used for planting forests for conserving water supply, and a forest-glass composite ecological type is set up; vegetation structures are allocated in an optimized mode, through a land terracing technology, stone ridge slopes are repaired, built and changed into terracing, field production shortcut construction is matched, and through the matched construction of a rainwater collecting plateau, a catchwater, a desilting basin, a water conveying pipeline, a small cistern and a small pond, a slope rainwater collecting system is set up; an underground river is developed, an underground river irrigation pumping station is constructed, so that water resources are reasonably deployed, a soil moisture conservation technology and a water-saving irrigation technology are adopted, and a scientific and reasonable irrigation mode is set up. Through the treatment method, the slight stony desertification in the karst mountainous area is effectively treated, water and soil loss is reduced, the stony desertification trend is restrained, and the social economy and ecological construction develop harmoniously.

The invention discloses nutrient hole type cast-in-place greening concrete and a construction method thereof, and relates to the technical field of soil protection. The nutrient hole type cast-in-place greening concrete comprises a concrete layer formed on the slope protection outer surface through the cast-in-place greening concrete, the concrete layer is provided with nutrient holes for plantinggreening plants, concrete between the concrete layer and a slope protection extends in the direction of the slope protection to form a concrete column body, and the concrete column body and the slopeprotection are inserted, connected and fixed. The concrete layer is formed on the outer surface of the slope protection in a cast manner, the nutrient holes are opened in the concrete layer, roots ofthe greening plants are laid in the nutrient holes, and the effect of reinforcing the concrete layer is achieved; and the concrete column body is inserted and connected into the slope protection, theeffect of reinforcing the concrete layer is further achieved, and the purposes of preventing water and soil loss phenomena such as landslides and collapses are achieved.

The invention discloses a portable simulation test device for monitoring water and soil erosion in real time. The device comprises a rainfall system, a soil tank device and a runoff data real-time acquisition system; the rainfall system comprises a water storage tank, a water supply pipe, a water pump, a flow meter, water tank supports, a rainfall water tank, a water drop generator and a liquid level indicator pipe; the soil tank device comprises rolling wheels, a support, a soil tank, a slope indicating dial and a lifting device; the runoff data real-time acquisition system comprises a collecting pipe, a runoff barrel, an electronic scale and a notebook computer with built-in data record software. By means of the portable simulation test device for monitoring the water and soil erosion in real time, indoor simulation and measurement of soil and water loss on a slope surface can be achieved, the test raininess and the soil tank slope are easy to adjust, operation is easy and reliable, data are accurate, and the data are measured and stored in real time.

The invention discloses an ecological protection slope and relates to the technical field of slope protection. The ecological protection slope solves the problem that at the early stage of existing vegetation protection, the water and soil loss occurs easily. According to the key points of the technical scheme, the ecological protection slope comprises a slope body, a sand stone layer, a pluralityof straw bricks and straw fixing columns. The straw bricks protect the soil at the early stage of slope protection, and protect vegetation in through holes, thus the soil is not lost easily, as the vegetation grows, the root system of the vegetation becomes developed, the effect of resisting the water and soil loss can be achieved, moreover, straw decays into fertilizer gradually, growth of the vegetation is accelerated, plant seeds buried into the straw bricks in advance also grow into plants after the straw decays, thus the vegetation also grows on the straw bricks, at the moment, the full-grown vegetation protects the vegetation germinating on the straw bricks, after the vegetation grows fully, by means of the root system of the plants, the effect of slope protection is achieved, and after the straw bricks decay, the growing space of the vegetation is not occupied.

The invention provides a soil erosion resistance control method which comprises following operation steps: (1) bacterial manure serum is prepared and uniformly sprayed on the soil surface, and the spraying thickness is less than or equal to 5mm; (2) protective serum is prepared and uniformly sprayed on the soil surface treated in step (1), and the spraying thickness is less than or equal to 3mm; (3) straw cellulose hydrolyzate is prepared; (4) after step (2) is implemented for 5 to 7 days, the soil is mechanically turned over, and the straw cellulose hydrolyzate prepared in step (3) is uniformly sprayed into the soil; and (5) the protective serum prepared in the step (2) is uniformly sprayed onto the soil surface treated in step (4), and the oil is mechanically turned over and leveled again after 3 to 5 days of implementation. The soil erosion resistance control method has the advantages of simple operation, reasonable integrated cost, continuous mechanical implementation and capability of effectively improving the granular structure of the soil, increasing the content of soil aggregates, improving the anti-erosion capability of the soil and preventing water and soil loss, and is mainly used to improve the anti-erosion capability of the soil.