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1690results about "Soil lifting machines" patented technology

Ecological integrated improved facility and improving method for saline and alkaline land

The invention discloses an ecological integrated improved facility and improving method for saline and alkaline land. The ecological integrated improved facility and improving method are characterized in that: according to the ecological integrated improved facility for the saline and alkaline land, a salt removing filter layer is filled in a blind ditch; a layer of non-woven fabric is paved on the surface of the salt removing filter layer; mixed soil a of original soil and organic matters is filled above the non-woven fabric of the blind ditch; the blind ditch is filled and leveled up with the mixed soil; small square plots are arranged above the mixed soil a; acid salt removing columns are equidistantly arranged on each work plot; plants are respectively planted on each work plot; and thick peat soil is paved on the surface of the soil around the plants. The ecological integrated improving method for the saline and alkaline land comprises the following steps of: blocking; arranging the blind ditch; filling the blind ditch; filling and leveling up the peat soil; applying the organic matters; washing and removing salt; applying a modifying agent and acid fertilizer to the saline and alkaline land; arranging the salt removing columns; deeply ploughing and cultivating; and paving the thick peat soil. The ecological integrated improved facility and improving method disclosed by the invention have the advantages that a soil crumb structure is helped to form; the water permeability performance among soil layers is improved; and the development of crop root systems is effectively promoted.
Owner:南通华林生物科技发展有限公司

Separated slope trench-shaped terrace soil preparation method applied to mountainous regions

InactiveCN103081604ASolve the problem of waterloggingSolve the problem of natural water storageSoil lifting machinesAgriculture gas emission reductionSoil scienceOrganic fertilizer
The invention discloses a separated slope trench-shaped terrace soil preparation method applied to mountainous regions. A segment of mountain slopes in an original state is reserved between adjacent fields with the width of 2m and soil preparation depth of 1-1.2m, grooves with the width of 1.5m and the depth of 1m are excavated on slope surfaces, and then slope surface soil or local soil is mixed to rotten ripe high quality organic fertilizers with the thickness of 10cm for backfill. A mountain slope original state slope surface with the width of 2m is reserved between two grooves to serve as a ridge. A built field surface is a terrace in a counter-slope state, and the other side of the terrace is high and the inner side of the terrace is low. Another ridge with the height of 30cm is built on the outer edge of the terrace to block and store water and field surface runoff. The whole field surface faces to a direction along a contour line and mains a gradient of 3%.-5% longitudinally. Through using of the method, surface soil and weathered materials on mountainous region surfaces can be centralized and used, the problems of local soil an natural water storage are solved, and thus needs of planting of trees on the mountainous regions are met.
Owner:HEBEI AGRICULTURAL UNIV.

Reclamation method for sunk paddy field caused by mining in mountainous regions

The invention relates to a reclamation method for a sunk paddy field caused by mining in mountainous regions and belongs to the technical field of improvement and utilization of environment, ecology and damaged fields. The method includes: performing topsoil stripping to fissured positions where fissures are created by mining sinking and lead to water leakage of the paddy field; covering water holding materials on fissured areas after topsoil stripping; compacting the covered water holding materials, pouring slurry and standing; performing topsoil backfilling and grinding to the fissured areas after slurry pouring and standing, and flattening to enable the fissured areas to be a whole with pieces of the paddy field around the fissured areas; and irrigating, nourishing and improving the paddy field after backfilling and grinding. By the method, the cultivation land where the fissures are created by mining sinking and lead to water leakage of the paddy field can restore the paddy field utilization mode and reach production level of a normal paddy field as soon as possible, a stable self-maintaining farmland ecological system can be formed, a paddy field protecting system can be formed, soil microbial content can be increased, physicochemical property of soil can be improved, and benign farmland ecological system circulation can be formed.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Compound microbes for reducing and disinfecting greenhouse soil and soil disinfection method

The invention relates to the greenhouse crop planting field, in particular to compound microbes for reducing and disinfecting greenhouse soil and a soil disinfection method, and solves the problem of multiple defects in the prior art. The compound microbes comprise bacteria, actinomycetes, saccharomycetes and moulds. The soil disinfection method includes the steps of selecting June to September as a disinfection period to apply crop straws, organic fertilizer and the compound microbes on the soil after the crops are harvested; deeply plowing soil layers to form small ridges; covering ridge surfaces with plastic film, filling enough water under the film till the soil humidity achieves 100%, and sealing the mulching film and covering the greenhouse plastic film for 20 to 25 days; and uncovering the greenhouse plastic film and removing the mulching film for planting. According to the compound microbes for reducing and disinfecting greenhouse soil and the soil disinfection method, the method is non-toxic, harmless, pollution-free and residue-free, pathogenic bacteria, ova and the like in soil plough layers are killed, soil organics are increased, the soil physical and chemical structure is improved, soil fertility is improved, and good foundation is laid for improving product qualities.
Owner:AGRI BIOTECH RES CENT OF SHANXI PROVINCE +1

Treatment and Utilization of Silty Coastal Salt Soil

The invention relates a treatment and utilization technology of saline soil resources, in particular to a treatment and utilization method of muddy seashore saline soil. The method comprises the following steps of: establishing a water supply system consisting of a fresh water well, a water pump and a water supply pipe; excavating a salt leaching drainage ditch so as to establish a drainage salt leaching system; applying a cow dung and crop stalk fertilizer and a phosphogypsum soil and fertility improving fertilizer; with a small raised field as unit, irrigating fresh water to wash and leach salt; and planting and maintaining vegetation through cultivating the land by machine, sunning the upturned soil, planting the vegetation and irrigating the vegetation, wherein a planting technology with gradient increasing salt tolerance is adopted in planting the vegetation. According to the invention, for the salinity and structural characteristics of the muddy seashore saline soil, the muddy seashore strongly salined soil in the coastal zone is treated and utilized in combination with engineering measures, physical measures and chemical measures on the basis of salt tolerant plant appraisal; and The treatment and utilization method of the muddy seashore saline soil provided by the invention has the advantages of simplicity in operation, resource conservation, soil treatment and utilization cost of less than 166.21 yuan/m2 and plant survival rate of more than 90%.
Owner:COASTAL AGRI RES INST HEBEI ACAD OF AGRI & FORESTRY SCI

Method for controlling salt and saving water of nutritional soil for planting crops on mudflat saline-alkali land

The invention discloses a method for controlling salt and saving water of nutritional soil for planting crops on a mudflat saline-alkali land. The method comprises the following steps of: determining a salt control target value according to a salt-tolerance threshold of planted crops; restraining salt content and making moisture by irrigating soil moisture water into the mudflat saline-alkali land; performing deep plowing and deep tillage after the soil is dry; paving crushed crop straws under the surface of the soil; seeding after leveling the land; and finally returning the crop straws into the land for covering a sown land surface. Due to the adoption of the technical scheme, water resource is saved; and the irrigation amount can be reduced in the growth and development stages of the crops. When the soil moisture water is irrigated before sowing, because a four-electrode salt content sensor is adopted for monitoring a desalting process of the soil in real time, an irrigation salt control target and irrigation stop time are defined, and water resource loss is reduced; simultaneously, the straws are buried deeply and covered on the land surface, continuous damage caused by a capillary action is caused; an uplink surface congregation effect of the salt content in subsoil and underground water is prevented; soil salt return is inhibited effectively without irrigating for washing the salt in a dry season so that the water resource is saved; in addition, water loss is reduced because of the coverage on the surface of the land, the moisture keeping effect of the soil is improved and the irrigation amount in the growth and development stage of the crops can be reduced.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI

Method for improving soil fertility of greenhouse and preventing soil disease

The invention discloses a method for improving soil fertility of a greenhouse and preventing a soil disease. The method comprises a biogas slurry storage step, a soil anaerobic fermentation raw material sowing step, a step of conducting soil tillage on evenly-scattered anaerobic fermentation raw materials, a step of conducting flood irrigation on a cultivated filed through the biogas slurry and water, a step of covering a mulching film for sealing, a step of depressing the greenhouse, and a step of uncovering the mulching film to again conduct soil tillage. The method has no chemical composition residuals, can not damage strain balance of various beneficial bacteria in the soil, does not enable the beneficial bacteria to produce drug resistance, is stable in disinfection effect, can play a role of disinfecting on a deeper soil layer, is low in disinfection cost, can be used in a certain area in large-quantity and high-strength modes, solves the problem that biogas slurry consumption in a biogas project is difficult, improves soil physical and chemical properties and acid-base equilibrium, improves disease-insect resistance of the crop and stress resistance of a bad condition, can kill harmful bacteria, reduces the disease, improves absorption efficiency of the crop on various fertilizer components, improves fertilizer efficiency of the fertilizer and saves fertilizing cost.
Owner:涂维浩

Coastal saline-alkali soil terrace type afforesting method for improvement of dredger fill

The invention discloses a coastal saline-alkali soil terrace type afforesting method for improvement of dredger fill. The coastal saline-alkali soil terrace type afforesting method for improvement of the dredger fill comprises water seepage ditches, foundation terrain dredger fill, straw curtains, geotechnical cloth, improved planting soil, local models and the like, wherein square seepage ditches of the water seepage ditches are longitudinally excavated in the lowest position of the foundation terrain dredger fill, particle-size ballast stones are filled into the square seepage ditches, the distance between the foundation terrain dredger fill and the ground is 1-1.5m, the gradient of the foundation terrain dredger fill is 15 degrees to 30 degrees, straw is distributed on the foundation terrain dredger fill, the geotechnical cloth is laid on the straw curtains, and then the improved planting soil is laid on the geotechnical cloth. Due to the fact that the coastal saline-alkali soil terrace type afforesting method for improvement of the dredger fill is combined with the terrace type shape, the coastal saline-alkali soil terrace type afforesting method for improvement of the dredger fill is beneficial to retaining rainwater, enables salinity to be effectively leached and reduced, is beneficial to fertilizer and soil conservation, and enables the survival rate of landscape plants to be more than 90%, the waste is effectively utilized, natural resources are protected, and afforesting cost is reduced by more than 50%.
Owner:TIANJIN TA LANDSCAPE PLANNING & DESIGN CO LTD

Filling reclamation method for reclaiming coal mining subsidence lands by Yellow River sediment

ActiveCN103283335AGuarantee the source of covering soilDrain fastSoil lifting machinesSoil-working methodsPondingSoil depth
The invention relates to a filling reclamation method for reclaiming coal mining subsidence lands by Yellow River sediment and belongs to the technical field of mine environment protection. The filling reclamation method includes: confirming trends and sizes of Yellow River sediment filling strips according to the sizes and the shapes of a subsided basin to be filled; draining accumulated water in the subsidence land via existing drainage ditches around the subsidence land, and building a field path and drainage ditches along the vertical filling trend in the central area of the subsidence land; confirming the soil stripping depth of every strip according to the sediment depth, the available soil depth and reclamation elevation of every strip to be filled, stripping surface soil from subsoil in a strip-separated and layered stripping manner, and piling the surface soil and the subsoil on two sides of every strip; filling along a direction from two ends of the strips perpendicular to the central drainage ditches to the drainage ditches, covering the strips by the subsoil and the surface coil sequentially in a reasonable thickness after drainage consolidation of the filled sediment, and finally leveling the land to form a reconstructed soil profile. The filling reclamation method provides technical supports for filling reclamation of the coal mining subsidence lands by the Yellow River sediment.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)
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