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424 results about "Arid area" patented technology

An arid area is one that gets no more than 12 inches of rain each year. Arid areas are usually deserts. Few plants, animals and people can survive here. Semi-arid areas are ones that get enough rainfall to allow grasses to grow.

Remote sensing inversion method for land surface evapotranspiration of arid and semi-arid regions

The invention discloses a remote sensing inversion method for land surface evapotranspiration of arid and semi-arid regions. The method comprises the steps of: acquiring and processing EOS / MODISE (Earth Observing System / Moderate-resolution Imaging Spectroradiometer) remotely sensed data; performing the inversion of near-surface temperature and computing atmospheric transmittance; obtaining a land surface latent heat flux by solving a net radiation quantity, a soil heat flux and a sensible heat flux according to a land surface energy balance equation; and figuring out land surface evapotranspiration data according to the land surface latent heat flux. According to the invention, aiming at the characteristics of rare meteorological stations in the arid region of Northwest China, a near-surface temperature inversion model and an atmospheric transmittance model both based on remotely sensed data are established, and the temperature obtained by the remote sensing inversion is used for participating in the computation instead of the observed temperatures of the stations; therefore, requirements on meteorological and other observation data are reduced.
Owner:NANJING UNIV OF INFORMATION SCI & TECH

Flower bed construction and flower planting method in heavy saline-alkali land in arid area

The invention discloses a method for building flower beds and planting flowers and plants in a heavy saline-alkali land in an arid region and relates to the technical fields of soil transformation methods and green lawn planting. The method for building flower beds and planting flowers and plants in the heavy saline-alkali land in the arid region comprises 18 steps and has various advantages of desalting rapidly, achieving long-acting and durable effect, saving water and cost, completely eliminating weeds, promoting growth of ornamental plants and the like.
Owner:LANZHOU UNIVERSITY

Greening planting technology for expressway in arid area of desert

InactiveCN102499004AAdequate supplyGrow fastForestryHorticulturePinus contortaAmorpha fruticosa
The invention belongs to a highway greening cultivation technology and in particular to a greening planting technology for an expressway in the arid area of desert. The technology is characterized by comprising the following steps: selecting corresponding arbor, shrub and grass according to the local topography, landform, climate characteristics, vegetation condition and common nursery stock varieties, and performing planting time selection, planting preparation, planting of the arbor, shrub and grass, vegetation maintenance, daily nursing and the like, wherein the arbor is selected from one or several of poplar, Saliz matsudana or pinus sylvestris; the shrub is selected from two or more of Amorpha fruticosa, Sabina vulgaris, caragana microphylla and hedysarum scoparium; and the grass is selected from one or several of medicago sativa, Astragalus adsurgens and Artemisia songarica Schrenk. According to the invention, the time from nursery stock planting to large-scale greening is basically consistent with the time from highway construction to operation, and the construction period is relatively reasonable; the selected nursery stock is common nursery stock which has sufficient supply source, is drought-resistant, easily survives and grows quickly; and the purchase cost and maintenance cost are low.
Owner:CHINA RAILWAY HI TECH IND CORP LTD +1

Building aggregate mine in-situ soil improvement and greening method

InactiveCN110832964AMeet recoveryVegetation restoration effect is excellentHops/wine cultivationGrowth substratesRevegetationSoil science
The invention discloses a building aggregate mine in-situ soil improvement and greening method. The building aggregate mine in-situ soil improvement and greening method comprises the following steps:facility repairing; gully backfilling; protection of a soil discharge slope surface; in-situ improvement: spreading improved materials prepared by mixing on the surface of a dump, and mixing by loosening and raking; in-situ greening: planting tree species in an improved soil layer according to the spacing of 2-4 m; spraying bonding slurry containing mixed grass shrub seeds by using a spraying andsowing vehicle, and carrying out shallow consolidation on the disturbed surface layer; after shallow layer consolidation is finished, spreading straws on the surface to cover the surface; and maintenance management: carrying out seed supplement, seedling supplement, fertilization and pest control. The building aggregate mine in-situ soil improvement and greening method has the beneficial effects that based on scientific determination of plant species and rational allocation, recovery of vegetation of aggregate mine dumps in most of areas including arid and semi-arid areas, warm temperate zonesand subtropical and tropical areas in China can be met basically, and if measures of anti-seepage isolation, pollution control measures and the like are added reasonably, recovery of vegetation of special sites such as a nonferrous metal mine waste stone yard and landfill site can also be met.
Owner:日昌升建筑新材料设计研究院有限公司

Ridge film-mulching soil moisture preservation and rainwater collection ditch water collection method based on dry land fruit tree root system soil hydrothermal environment

The invention discloses a ridge film-mulching soil moisture preservation and rainwater collection ditch water collection method based on a dry land fruit tree root system soil hydrothermal environment. Ridges are inwardly made in the vertical projections of crowns, rainwater collection ditches are outwardly dug in the vertical projections of the crowns, fertilization ditches are inwardly dug close to the rainwater collection ditches, black mulching films are spread at the beginning of thawing, and roots are exposed within a range between 3cm and 5cm around the roots of tree bodies; mulching films are spread on the sloped ridge surfaces, and are fixed by longitudinal batten-shaped earth; the films are removed in time in the rainy season in order to keep a good soil environment. The method is based on the rainfall characteristics of local regions, a fruit tree moisture utilization principle and the keeping of a good root zone environment. The technique is easy to operate, the cost is low, and the method has the technical effects of water preservation, water storage, evaporation resistance, centralized moisture utilization, water-promoted fertilization and keeping of the good root zone environment. The method is suitable for apple trees, peach trees, pear trees, grapevines and other fruit trees of different ages in arid regions, and can promote the activity of the root systems of fruit trees and accelerate the growth of saplings and the formation of tree shapes, ensure the stable and increased yield of grown fruit trees and increase the quality of fruits.
Owner:INST OF FRUIT & FLORICULTURE RES GANSU ACADEMY OF AGRI SCI

High-yield planting method for preventing and treating corn stem rot in semi-arid regions

InactiveCN105284394ASolve the problem of sowing germination rateReturning to the field will not affectPlant cultivationCultivating equipmentsEcological environmentSoil science
The invention discloses a high-yield planting method for preventing and treating corn stem rot in semi-arid regions, belonging to the technical field of agricultural planting and culturing. The high-yield planting method comprises the following steps: land selection and preparation, seed selection, seed treatment, ridging, base fertilizer application, seeding, drop irrigation, water feeding, weeding, membrane lamination, top application, field management, corn stem rot prevention, harvesting and the like. According to the high-yield planting method, the problem that the seeding emergence rate of corns in the second year is influenced by the total straw application of straws is solved; by processing corn seeds, the emergence rate can be improved by more than or equal to 5%, and the straw turnover in the second year is not influenced; the preventing and treating effect of the corn stem rot reaches more than or equal to 70%; water is saved by more than or equal to 40%, and the corn yield is increased to be 800-1000 kilograms per hectare; adverse factors caused by the ecological environment to the agricultural production are overcome, the traditional agricultural production mode is changed, the unit yield is increased, the yield and the efficiency are increased, and the effects of reducing wind erosion of soil, protecting the environment and improving the drought resisting capacity and the production stability of crops are achieved.
Owner:JILIN ACAD OF AGRI SCI

Water saving and fertilizer controlling ecologic governing and synergic utilizing method for heavily salinized land

The invention discloses a water saving and fertilizer controlling ecologic governing and synergic utilizing method for a heavily salinized land. Ardealite is applied to the heavily salinized land; smash-ridging, subsoiling and uniform mixing are performed, and according to a soil salt control target, non-growth-period irrigation salt forcing is performed; after base fertilizer and humic acid are mixed, furrow application is performed, a drip irrigation zone is laid for membrane laminating and seed sowing, a soil depressimeter is embedded under the membrane, a geotechnical cloth is laid on theground surface between membranes, in the crop growth period, brackish water is adopted for drip irrigation water-fertilizer integration combined application of humic acid, according to the soil salt conditions and the crop water-fertilizer requirement characteristics, the drip irrigation moment is determined, and on the basis of the depressimeter, the irrigation water amount and the irrigation stopping time are determined. The problem that agricultural planting water resources in an arid region are lacked is solved, the requirement for salt control over saline-alkali soil farm irrigation is met, and the ecologic governing requirement for improving the saline-alkali soil water-fertilizer utilization efficiency and increasing production and income is met.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI

Grafting and breeding method of Prunus cistena in arid area

The invention discloses a seedling technology of Prunus cistena. The seedling technology is characterized in that the technology takes Siberian Apricot as stock and adopts whole-ear sealing wax seedling, wherein the special breeding method is as follows: a, breeding the stock; b, breeding grafted seedling; and c, breeding the seedling by bed changing. The seedling technology of Prunus cistena provided by the invention comprises the steps of 1, breeding the Siberian Apricot stock; 2, cutting cion and sealing wax; selecting lignified Prunus cistena branches, wherein the cion branch must be soft and has no dried condition and full bud, performing sealing wax for the whole ears; 3, selecting 1-year-old Siberian Apricot seedling; horizontally cutting the Siberian Apricot seedling in place with distance of 4-5cm above the ground to graft; 4, using the cleft grafting or cut-grafting method to graft in the second half of April; 5, after grafting, strengthening management of soil, fertilizer and water. The method improves grafting survival rate of Prunus cistena, develops large-scale breeding of the nursery stock and provides seedling guarantee for widely applying colorful leaf plants in arid area, improving urban ecological environment and improving city landscape value.
Owner:张掖市林业科学研究院

Method for rapidly rotting composting of litter in the open in autumn / winter

InactiveCN101696128AQuick and timely decompositionFast and timely ripeningOrganic fertilisersGround temperatureDecomposition
The invention relates to a method for rapidly rotting composting of litters in the open in autumn and winter, comprising the following steps of selecting field and then digging pit, collecting litters, sampling and calculating, composting litters and disposing. The method can sufficiently utilize ground temperature to greatly reduce the influence of external high temperature on composting temperature mainly by digging pit and underground composting; the effects of heat preservation, moisture preservation and fertility preservation are good; therefore, the activity of microbes to decompose flora can be ensured, thereby rapidly achieving the effect of rapidly rotting. The method solves the problems that the natural decomposition of litters is slow, the fire hazard is outstanding and the latent nutrient runs off in artificial forest in northwest arid area and meanwhile is not limited by climate and field, thereby solving the problems existing in circulation of substances and nutrient balance of the ecological system of the artificial forest in northwest arid area. The invention provides a new method for a near nature managing and protecting technique of the artificial forest.
Owner:克拉玛依市克拉玛依区园林绿化管理局 +1

Drid area grit gravel grit gravel stone river current ecological repairing river course infiltration reduction method

The invention discloses a river permeability reducing method in arid area grit stone river ecology restoring project, which comprises the following steps: mixing sodium bentonite and local soil to mixed soil evenly with dry weight ratio 1 : 9; mixing the mixed soil and grit material evenly with dry weight ratio at 4 : 6; forming permeability reducing mixed material; paving the permeability reducing mixed material layer on the compacted river bed; paving local soil permeability reducing layer; vibrating and packing together; back-paving on site ballast on the permeability reducing layer as covering layer. This invention possesses distinctive economic benefit, which can be used to permeability reducing agent project of river, lake and marshland.
Owner:北京市水利科学研究所

Planting method for transplanted big trees in arid areas

The invention relates to a planting method for transplanted big trees in arid areas. The planting method comprises the following steps: digging a planting pit at a natural soil layer, and after the planting pit is dug, spraying a layer of a liquid soil curing agent at the bottom and the inner wall of the planting pit by utilizing a high-pressure spray gun to form a curing layer with a thickness of 5-10cm, wherein the curing layer is a soil salt-return inhibiting structural layer which prevents salts from migrating upward; covering the bottom of the planting pit with improved backfill soil with a thickness of 10-20cm, then putting a soil ball at the bottom of the big tree to the planting pit, and backfilling and covering the planting pit by utilizing improved backfill soil; and covering the surface layer of the planting pit with a layer of a geotextile and spreading rubble for fixation, and then conducting conventional maintenance. Compared with a conventional planting method for transplanted big trees, the planting method provided in the invention has remarkable improvement on soil fertility, the soil moisture content is improved by 10%, water is kept, and salt return is reduced at the same time, the transplanted big trees quickly recover vigor, and maintenance costs after the big trees are transplanted are reduced.
Owner:BEIJING STAR RIVER LANDSCAPE ENG CO LTD

Powder ridge deep-cyclone water-storage seedling-retaining growth promoting and cultivation method in arid and semi-arid regions

The invention discloses a powder ridge deep-cyclone water-storage seedling-retaining growth promoting and cultivation method in arid and semi-arid regions. The middle of a cultivating area is deep-ploughed by using a rotary tillage spiral type machine while the two sides of the cultivating area are shallow-ploughed; the soils are milled at the same time; the soils are naturally ridged after the soils are rotated in a deep mode and loosened so as to form a T-shaped ridge land of which the two sides are surrounded by shallow loosening soils and the inclined surfaces have a certain angle. Drainage channels are arranged in a non-cultivation area, a film covers the ridge land, planting holes are formed in the ridge land, and a water-storage tank for storing water and retaining water is established around the planting holes; meanwhile, standardization farm operations such as fertilizer application and pesticide application are carried out, so that the operation is finished mechanically and integrally once, and the labor efficiency is greatly improved; by using the cultivating method, the water content of the soil is effectively increased by more than 30 percent, the production of crops is increased by more than 40 percent, and the economic benefit is obviously increased; moreover, a new ecological balance system is established, and the method has a great popularization value in the northwest arid region.
Owner:广西壮族自治区农业科学院经济作物研究所

Preparation method of multifunctional liquid membrane sand-fixing agent

The invention discloses a preparation method of a multifunctional liquid membrane sand-fixing agent, which belongs to the field of chemical agriculture and forestry materials, is mainly applied to the treatment of land desertification, wind prevention and sand fixation, can prevent and control desertification and protect slopes on sand roads and sand railways, and can be applied to agricultural liquid mulching films. In the method, the multifunctional liquid membrane sand-fixing agent is prepared by taking asphalt or residual oil, bentonite, water glass and water soluble polymer as raw materials and by blending the raw materials with an emulsifier and a functional additive. The liquid membrane sand-fixing agent has obvious water collection and soil moisture preservation effects and therefore has the effect of promoting growth of plants and improving the stability of vegetation covers; and the organic combination of liquid membrane sand fixation with mechanical sand fixation and plant sand fixation greatly improves sand fixation effect and solves the problem of no irrigating sand fixation virescence in arid regions (the annual rainfall is 100 to 200mm).
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Fully-automatic water-collecting irrigation slope protection device adapted to arid area and construction method thereof

The invention discloses a fully-automatic water-collecting irrigation slope protection device adapted to an arid area and a construction method thereof. The fully-automatic water-collecting irrigationslope protection device adapted to the arid area comprises a water-collecting irrigation device, a waterproof geotextile, a diversion layer and a vegetation planting layer. The water-collecting irrigation device is composed of a prefabricated water storage tank, a prefabricated pile and a moisture sensor. Water inlets and water outlets are formed in a body of the prefabricated water storage tankand both the water inlets and the water outlets are provided with filters. The moisture sensor is arranged on the vegetation planting layer. Electronic control valves are installed at the water outlets. The prefabricated pile is located below the prefabricated water storage tank. The prefabricated pile and the prefabricated water storage tank are fixedly connected by welding or bolts. The waterproof geotextile is laid on a slope. The diversion layer is arranged above the waterproof geotextile, and the vegetation planting layer is laid above the diversion layer. The integrated construction of vegetation planting and later irrigation system is realized, and based on an unique irrigation method and slope structure design, water evaporation and deep layer infiltration are reduced, and rainwater utilization rate is improved.
Owner:SHENYANG JIANZHU UNIVERSITY

Soil water storage and preservation planting method for desert and arid areas

The invention discloses a soil water storage and preservation planting method for a desert and arid areas. The planting method is characterized in that a layer of sand and cement concrete water storage tank or a plastic water storage tank is laid 0.3-3 meters under the ground of a desert or arid area, the water storage tank is filled with sandy soil, and plants are planted in the sandy soil. The soil water storage and preservation planting method has the following advantages: 1, the rainwater in the desert and arid areas does not permeate into the ground deeply, but permeates into the water storage tank, the root system of a plant can reach the water storage tank and absorb the water, the high soil moisture content is retained enduringly, and the normal growth of the plant is guaranteed; 2, the water irrigated by water conservancy facilities also permeates into the water storage tank, the water can be provided for a long time after one time of irrigation, the soil moisture content is greatly improved, the high soil moisture content is retained enduringly, abundant water can be provided for the growth of the plant, the water use efficiency is improved, and the cost of the water is reduced; and 3, the method is easy to carry out, can be used for a long time after one time of investment, and can be used for several tens or hundreds of years, the cost per year is not high, and the maintenance is not needed.
Owner:余勇军

Simulation method of multi-model flexible architecture based on basin fine classification

ActiveCN110928965AHigh precisionSolving mountainous watershed classification problemsClimate change adaptationGeographical information databasesHydrometryObservation data
The invention provides a simulation method of a multi-model flexible architecture based on basin fine classification. The simulation method comprises the following steps: S1, constructing a Xinanjiang-Green Ampt mixed runoff production calculation model of a semi-humid semi-arid basin; S2, subjecting the semi-humid and semi-arid watershed to infiltration-excess and saturation-excess sub-watersheddivision for fine classification; and S3, constructing a flexible architecture model of the infiltration-excess and saturation-excess space of the semi-humid and semi-arid watershed, and performing calculation. The invention provides a convenient and effective method for forecasting the flood process of the semi-humid and semi-arid region, finely classifies the watershed, provides a more reasonable and reliable simulation method for simulating the flood, and improves the calculation precision of the hydrological model. And meanwhile, the problem of classification of mountainous watersheds in medium and small drainage basins lacking observation data is solved, important basic data is provided for flood forecasting and other aspects of the semi-humid and semi-arid regions, and the scientificity of flood forecasting of the semi-humid and semi-arid regions is enhanced. The method is stable and reliable in data source, high in calculation efficiency and objective and reasonable in result.
Owner:HOHAI UNIV
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