230 results about "Semi aride" patented technology

A method and device for evaluating ecological cumulative effects of surface mining areas are provided. The method includes: constructing a surface mining areas eco-environmental evaluation index (SMAEEI) suitable for semi-arid grasslands; constructing a first eco-environmental quality condition adjustment coefficient R(Si,j,th) based on the actual land cover classification result and the SMAEEI; obtaining the actual ecosystem service value ESV per unit area of the area to be evaluated in several years through the unit area ecosystem service value coefficient VCif of the area to be evaluated and the first eco-environmental quality condition adjustment coefficient R(Si,j,th); based on the time-series trajectory integral value of the actual ecosystem service value ESV per unit area and the ideal ecosystem service value ESV′ per unit area undisturbed by human beings, performing residual analysis to obtain the ecosystem service value accumulation induced by anthropogenic factors (ESVA-AF).

The invention provides a microbial solidified sand barrier and a preparation method thereof, a cementing liquid and a microbial liquid are respectively added into aeolian sandy soil, the aeolian sandy soil is treated by a microbial induced calcium carbonate precipitation technology, and then the aeolian sandy soil is dried and solidified at a high temperature to obtain the microbial solidified sand barrier. The aeolian sandy soil is a basic material, the microbial liquid contains active microorganisms capable of inducing calcium carbonate precipitation, and the cementing liquid provides a calcium source and promotes a precipitation reaction. The cementing liquid comprises a soluble calcium source and urea, the microbial liquid is bacillus pasteurii liquid, calcium carbonate precipitation is induced in the aeolian sandy soil by means of metabolic activity of specific microorganisms, so that sandy soil is solidified, a firm sand barrier is formed, more efficient and environment-friendly wind and sand control is achieved, the wind erosion resistance of the aeolian sandy soil can be remarkably improved, and the service life of the aeolian sandy soil is prolonged. A new solution is provided for wind and sand disaster prevention and control in arid and semi-arid areas, and the defects of an existing sand stabilization technology are effectively overcome.

The invention discloses a slope ecological restoration suitability evaluation method, medium and equipment, and relates to the technical field of slope ecological restoration, and the method comprises the steps: obtaining slope ecological restoration data, and obtaining a slope ecological restoration suitability evaluation index according to the data; calculating the weight of the evaluation index by adopting a fuzzy analytic hierarchy process based on the evaluation index; scoring each evaluation object according to the evaluation indexes, and establishing a fuzzy relation matrix; and according to the fuzzy relation matrix and the weight vector, obtaining a comprehensive suitability evaluation score of each evaluation object, and judging a suitability grade of slope ecological restoration. According to the method, the ecological restoration suitability of the arid and semi-arid land high and steep rock slope can be quantitatively evaluated.

The invention discloses an arid and semi-arid region well and canal double-irrigation rotation irrigation wind-solar complementary intelligent water-saving salt-control irrigation device and method. The device comprises a sensor monitoring module used for acquiring environment data and water level information of well water and canal water in real time; the energy supply module comprises a solar assembly and a wind power generation assembly, the solar assembly is used for converting solar energy into electric energy, the wind power generation assembly is used for converting wind energy into electric energy, and the energy supply control module is connected with the sensor monitoring module and the energy supply module. The calculation module is used for calculating irrigation water quantity according to the environment data and the water level information; and the irrigation module is connected with the control module and is used for controlling the output water quantity according to the calculated irrigation water quantity. Water resource shortage in arid and semi-arid areas can be relieved, and water resource waste in the irrigation process is avoided.

The invention discloses an ecological restoration method for salinized land in a semi-arid region based on a natural solution. The ecological restoration method comprises the following steps: S1, defining a plurality of ecological restoration regions; s2, planting plants; in each ecological restoration area, high-layer plants are planted on a circle of the edge of the ecological restoration area, and a circle of middle-layer plants and a circle of low-layer plants are sequentially planted into the ecological restoration area; s3, arranging an ecological restoration area; according to the invention, an ecological restoration area with multi-layer plant distribution can be formed, the restoration and improvement of biodiversity are facilitated, and through the arrangement of the first groove, the sand barrier and the spacing between the first groove and the sand barrier, the purpose that seeds of plants in each layer stay in or near the first groove along with wind to achieve sowing and growth can be achieved in the subsequent year; multiple layers of plants along the first grooves are formed, the ecological restoration effect is enhanced, subsequent sowing through wind power is facilitated, and manual close planting is not needed any more.

The invention belongs to the technical field of strip mine dumping design and ecological restoration, and discloses a design method for a soil layer structure of an open pit coal mine dumping site in a western arid and semi-arid region. The invention aims to solve the problem of poor permeability of the viscous surface soil layer of the dumping site at present by optimizing the design of the soil layer structure of the open pit coal mine dumping site in the western arid and semi-arid region from bottom to top by taking low-cost industrial solid wastes as raw materials and designing a geologic structure of'water-resisting layer-water-bearing layer-surface soil layer '. And the later ecological reclamation of the waste dump is facilitated.

The invention discloses a sand landscape pattern optimization method based on ecological water demand inside and outside rivers and lakes, and relates to the technical field of ecological restoration and water resource management, and the method comprises the following steps: 1, collecting a remote sensing image, field ecological data and hydro meteorological data, and carrying out the preprocessing to obtain ecological hydrological element data; 2, calculating the ecological water demand of the semi-arid sand landscape according to the ecological hydrological element data; 3, constructing a nonlinear-multi-target sand landscape pattern optimization model according to the ecological water demand and the ecological hydrological element data; 4, solving the nonlinear-multi-target sand landscape pattern optimization model by adopting a multi-target optimization algorithm according to the condition constraint to obtain a parameter optimal solution; and 5, constructing a sand landscape pattern strategy according to the parameter optimal solution. By comprehensively optimizing water and sand resource allocation and ecological water demand inside and outside rivers and lakes and cooperatively deploying all landscape elements, sustainable utilization of sand landscape water resources and improvement of an ecological hydrological function are achieved.

The invention relates to the technical field of hygroscopic materials, and particularly discloses an atmospheric hygroscopic material for ecological restoration of arid-semi-arid regions and a preparation method of the atmospheric hygroscopic material. The method comprises the following steps: firstly preparing gel containing a heat-conducting material, acrylamide and isopropyl acrylamide, freeze-drying the swelled gel, soaking the gel in a moisture-absorbing salt water solution to load moisture-absorbing salt, taking out and drying. The temperature sensitivity of isopropylacrylamide is retained through copolymerization of acrylamide and isopropylacrylamide monomers, meanwhile, higher hydrophilic performance is given to isopropylacrylamide, a high-molecular polymer can absorb liquid drops formed by deliquescence of moisture absorption salt, continuous adsorption of the moisture absorption salt is kept, and the polymerized gel has higher moisture absorption capacity and water yield. The prepared atmospheric hygroscopic material provides a new way for supplying water required by ecological restoration plants in arid-semi-arid regions, water vapor is collected without depending on an external device in use, and the water production process is free of energy consumption and emission and environmentally friendly.

The invention discloses a soil wind erosion treatment device which comprises a wavy grid structure, and the wavy grid structure is of a wavy three-dimensional structure formed by plastic sheets and is composed of a plurality of wave crest parts, a plurality of wave trough parts and grid units evenly distributed between the wave crest parts and the wave trough parts. A biomass rope is wound on the outer side of the trough part; the whole wavy grid structure is made of a plastic material with heat conductivity and an electrostatic adsorption function; the wave-shaped grid structure is fixed to the ground through anchoring inhaul cables. The whole soil wind erosion treatment device can be laid in a modularized mode, the wave crest arrangement direction and the anchoring point density are optimized according to the wind erosion terrain and the wind direction, and the soil wind erosion treatment device is suitable for wind erosion sensitive areas in arid and semi-arid areas. In practical application, the device can effectively relieve direct scouring of strong wind to surface sand grains, meanwhile, condensation, water catchment and sand stabilization are induced through the structure of the device, the ecological vegetation restoration process is gradually introduced, and the device has the ecological property and engineering property.

The utility model relates to the technical field of mining area restoration, in particular to a grass planting bag for regreening and restoration of a mining area, which comprises at least one grass planting unit, and each grass planting unit comprises a grass planting bag layer, a fiber cotton layer and a breathable soil restoration layer which are sequentially arranged from top to bottom. The grass planting wrapping layer is filled with grass seeds and matrix soil, and the breathable soil restoration layer is filled with ceramsite and soil restoration nutrient organic matter in a staggered mode. According to the grass planting bag for re-greening and repairing the mining area, the grass planting bag layer is filled with the grass seeds and the matrix soil, the fiber cotton layer is arranged in the middle, and the two layers are comprehensively overlaid, so that the grass planting bag has the advantages of heat preservation, moisture preservation, water retention, degradability and high air permeability, the germination and survival rate of the grass seeds can be increased, and the rapid re-greening effect in the arid and semi-arid mining repairing area is achieved; furthermore, ceramsite and soil remediation nutrient organic matters are filled in the breathable soil remediation layer in a staggered manner, so that the remediation of the soil in the mining area can be further realized.

The invention discloses a GIS-based arid and semi-arid region farmland irrigation priority dynamic evaluation and zoning method, system, device and medium, and belongs to the technical field of farmland irrigation priority evaluation and zoning, and the method comprises the steps: collecting various types of remote sensing satellite data of a to-be-irrigated region; performing pretreatment; identifying the boundary and range of the to-be-irrigated area, and extracting a remote sensing image of the to-be-irrigated area; based on the remote sensing image of the to-be-irrigated area and the basic geographic information, parameter calculation is carried out, and normalization processing is carried out; performing superposition calculation on each normalized parameter according to a set weight to obtain an irrigation priority index; partitioning the to-be-irrigated area based on the irrigation priority index to generate an irrigation priority map; and judging whether agricultural irrigation management requirements are met or not according to preset conditions. According to the method, temperature vegetation drought indexes, normalized moisture indexes, water resource accessibility and crop economic value parameters are coupled; the irrigation priority index weight can be automatically adjusted according to a season strategy.

The invention relates to the technical field of semi-arid mining area land reclamation and ecological restoration, and discloses a semi-arid mining area reclamation double-surface-soil key layer and a refined construction method thereof.The semi-arid mining area reclamation double-surface-soil key layer comprises a wind-erosion-resistant key layer and a water and fertilizer maintaining key layer which are arranged from top to bottom; the anti-wind-erosion key layer comprises a coarse particle windproof layer and a fine particle cementing layer which are arranged from top to bottom; the water and fertilizer maintenance key layer is prepared from the following raw materials: fine sand or original sandstorm surface soil, a clay mineral-based physical structure regulator, an organic water-retaining agent and a biological enhancement matrix material; the raw materials of the coarse particle windproof layer comprise gravel and coarse sand; the raw materials of the fine particle cementation layer comprise fine sand or original sandstorm surface soil, a clay mineral-based physical structure regulator and an organic water retention capacity cementing agent. The reclamation double-surface soil key layer for the semi-arid mining area can effectively resist natural erosion, improve the soil structure, improve the water and fertilizer retention capability and promote the recovery of local host plants.

The invention relates to the technical field of mining area restoration, in particular to a grass planting bag for regreening and restoration of a mining area, the grass planting bag for regreening and restoration of the mining area comprises at least one grass planting unit, the grass planting unit comprises a grass planting bag layer, a fiber cotton layer and a breathable soil restoration layer which are sequentially arranged from top to bottom, the grass planting wrapping layer is filled with grass seeds and matrix soil, and the breathable soil restoration layer is filled with ceramsite and soil restoration nutrient organic matter in a staggered mode. According to the grass planting bag for re-greening and repairing the mining area, the grass planting bag layer is filled with the grass seeds and the matrix soil, the fiber cotton layer is arranged in the middle, and the two layers are comprehensively overlaid, so that the grass planting bag has the advantages of heat preservation, moisture preservation, water retention, degradability and high air permeability, the germination and survival rate of the grass seeds can be increased, and the rapid re-greening effect in the arid and semi-arid mining repairing area is achieved; furthermore, ceramsite and soil remediation nutrient organic matters are filled in the breathable soil remediation layer in a staggered manner, so that the remediation of the soil in the mining area can be further realized.

The invention provides a method for promoting moss crust growth by applying corn straw and application. Belongs to the technical field of environmental protection. The method comprises the following steps: collecting well-developed moss crust, removing impurities, drying, crushing to prepare crust seed soil, inoculating the crust seed soil to soil, applying crushed corn straws or carbonized corn straws to the soil, and culturing the moss crust. By reasonably applying the corn straw, growth of moss crust is promoted, technical guidance is provided for ecological environment restoration of arid or semi-arid regions, and the method is environmentally friendly, simple and easy to popularize.

The invention provides a remote sensing estimation method for high spatial-temporal resolution crop evapotranspiration in an arid and semi-arid region, which comprises the following steps of: acquiring cloudless or less-cloudless high spatial resolution optical remote sensing data of a crop growing season in a research region, and calculating or inverting remote sensing earth surface parameters required by high spatial resolution evapotranspiration; comprising a vegetation index NDVI, a leaf area index LAI, a vegetation coverage FVC, a surface water index LSWI and a surface albedo; the method comprises the following steps: acquiring meteorological reanalysis data of daily scales ERA5-Land and GLADAS of a research area, wherein the meteorological reanalysis data comprises relative humidity RH, average temperature Ta, air pressure Pa, solar short-wave radiation # imgabs0 #, downward long-wave radiation # imgabs1 # and upward long-wave radiation # imgabs2 #; according to the technical scheme, multi-source remote sensing data, an evapotranspiration physical model and a space-time fusion technology based on evapotranspiration characteristics are utilized, and estimation of high space-time resolution evapotranspiration of the arid and semi-arid agricultural areas is achieved.

The invention relates to the technical field of grassland ecological restoration, in particular to a degraded grassland soil function improving method based on microbial community regulation and control, which comprises the steps of target plot preparation, improved matrix application, plant optimization configuration and the like. A multi-layer grassland ecosystem is constructed by combining microbial agents and plant functional characters, and the soil nutrient conversion efficiency and the vegetation stability are remarkably improved. The method can effectively solve the problems of insufficient attention of soil microflora and single vegetation in the prior art, is suitable for restoration engineering of degraded grassland in arid and semi-arid regions of Qinghai-Tibet Plateau in China, has wide popularization value, and can remarkably improve soil functions, restore vegetation coverage and biological diversity and assist construction of regional ecological safety barriers.

The invention discloses a semi-arid region degraded wetland close-to-nature recovery method for slow-release water consumption conflict, belongs to the technical field of wetland ecological engineering, and solves the restrictive problems of prominent water consumption conflict and low wetland close-to-nature sustainable recovery efficiency in the collaborative development process of agricultural production and wetland recovery in a semi-arid region. The method comprises the following steps: 1, recovering wetland site selection and farmland water quantity accounting; 2, constructing an ecological water delivery network; 3, quantitatively blending farmland recession; 4, seed resource bionic introduction; 5, water resources are distributed in a timed and targeted mode; and sixthly, water resources are stored, monitored and evaluated in a staggered mode. The method is used for near-natural recovery of the degraded wetland in the semi-arid region on the premise of slow-release water conflict.

The invention discloses an optimal configuration method for land utilization of a cultivated wasteland in a salinization irrigation area, which mainly comprises two parts of land utilization quantity demand and cultivated wasteland spatial layout, and utilizes a method of coupling a water-salt equilibrium model SALTMOD and a land utilization CLUE-S model. The method comprises the following steps: combining an appropriate tillage and waste land ratio based on irrigation and drainage regulation and control and cultivated land salinity control with land utilization space distribution, and systematically exploring an appropriate salt wasteland space dynamic regulation and control scheme suggestion considering land utilization development and regional salinity income and expenditure balance from quantity constraint and space configuration; certain technical and data support is provided for saline-alkali soil treatment in arid and semi-arid irrigated areas.

The invention discloses a multifunctional composite microbial inoculant for improving drought resistance of plants as well as a preparation method and application of the multifunctional composite microbial inoculant, and belongs to the field of microbiology. According to the multifunctional composite microbial inoculant, by establishing a culture medium with gradually increased PEG (Polyethylene Glycol) concentration, progressive drought resistance induction is carried out on a known functional strain, so that the strain damage caused by single high-intensity stress is effectively avoided, and the strain can still keep relatively high activity and stability under a drought condition; progressive drought-resistant induction enables the strain to gradually adapt to the drought environment, so that the drought resistance of the strain is enhanced, the survival rate of the strain under the drought condition is increased, and the strain can better play a role in drought resistance and growth promotion; the multifunctional composite microbial inoculant is applied to plant seedling root system field planting, stress resistance phenotype induction and ecological adaptability improvement in arid / semi-arid regions, the colonization survival rate of seedling rhizosphere of caragana microphylla is increased to 2.3 times of that of conventional treatment, the transplanting survival rate of caragana microphylla is increased to 78% from 42%, and the multifunctional composite microbial inoculant has wide application prospects.

The invention provides a method for planting spring corn in a dry sloping field, and belongs to the technical field of agriculture. According to the technical system, through a three-level combination scheme of structural water storage, process regulation and control and systematic rotation, the transformation of dry-farming corn production from passive drought resistance to active water transfer is realized. Compared with a traditional mode, ineffective rainfall is converted into water available for root systems through deep scarification water storage and furrow rainwater collection; the resource waste is reduced by dynamic supplementary irrigation and slow-release fertilization, and a'small-amount and multiple-time 'supply rule of the semi-arid region is met; the crop rotation system remarkably improves the system stability through leguminous crop nitrogen fixation and corn high-light-effect complementation. According to the embodiment of the invention, the technical system provided by the invention realizes the breakthrough of 689.36 kg / mu of spring corn yield and 2.38 kg / m < 3 > of water utilization efficiency in the loess plateau semi-arid region, and provides a reproducible technical normal form for the arid region with annual rainfall of 400-500mm.

The invention provides an anti-corrosion liquid film and a planting method for climate intelligent agriculture in a semi-arid windy desert area, and belongs to the technical field of desertification cultivated land control and desertification control. The anti-corrosion liquid film is prepared from humic acid, sodium alginate, carboxymethyl chitosan, polyethylene glycol, guar gum and water. The anti-corrosion liquid film has good anti-corrosion and soil moisture preservation capacity, can promote soil to form aggregates and improve the soil structure, has good film forming performance and tensile strength, is easy to degrade and does not cause pollution to the environment. After previous crops are harvested, fertilization, ridging and grass seed sowing are carried out, then the anti-corrosion liquid film is sprayed, and the crops are planted in spring according to the soil moisture content. By means of the method, the emergence rate and yield of desertification farmland crops can be increased, meanwhile, climate environment changes are effectively coped, the soil organic matter content and the soil porosity are increased, economic benefits can be increased while wind prevention and sand fixation are achieved, and the purposes of improving desertification degradation, recarburizing, fertilizing and disaster prevention and reduction are achieved.

The invention discloses an irrigation area groundwater characteristic analysis method and system based on space-time evolution, and the method comprises the steps: collecting a time series data set of groundwater data of a target irrigation area in an arid and semi-arid region, and extracting a time series data set related to the water level value of groundwater from the time series data set; then, a data processing and analysis algorithm based on artificial intelligence and deep learning is introduced at the rear end to carry out time sequence aggregation analysis on the water level values, so that time sequence multi-scale semantic feature representation of the underground water level of the target irrigation area is captured; and on the basis of the underground water level time sequence characteristic representation, predicting an estimated value of the underground water level of the target irrigation area in the next 10 years. Thus, the dynamic change of the underground water level can be predicted based on the spatial-temporal dynamic evolution characteristics of the underground water in the target irrigation area, whether sustainable development of agricultural production and sustainable utilization of water resources are affected or not is determined according to the dynamic change, and more scientific and accurate support is provided for water resource management and decision making.

The invention relates to a wind prevention and sand fixation method for arid and semi-arid regions. A wind prevention and sand fixation method for arid and semi-arid areas comprises the steps that after a high vertical type wind barrier is arranged, large-area straw checks are laid on the inner side of the high vertical type wind barrier, and drought-resistant and salt-alkali-resistant tree species are planted in the straw checks. According to the wind prevention and sand fixation method for the arid and semi-arid areas, through the mode of combining physical prevention and biological prevention, before the physical prevention and treatment means are eroded by wind and sand for a long time and lose the wind prevention and sand fixation effect, planted trees survive and grow up gradually, the wind prevention and sand fixation effect can be achieved, and the wind prevention and sand fixation effect is improved. Therefore, low-cost and long-term wind prevention and sand fixation effects are achieved.

The invention discloses a device for increasing the grafting survival rate of Korean pine in a semi-arid region and an application method, and belongs to the field of Korean pine grafting. Comprising a film covering assembly, and a movable clamping mechanism is arranged below the film covering assembly; a grafting clamping mechanism is arranged above the film covering assembly; the film covering assembly comprises a top plate, a penetrating type first penetrating opening is formed in the right side of the upper surface of the top plate, a T-shaped sliding groove is formed in the position, located on the outer side of the first penetrating opening, of the upper surface of the top plate, a T-shaped sliding strip is slidably connected to the inner side of the T-shaped sliding groove, and an arc-shaped gear ring is fixedly connected to the top of the T-shaped sliding strip. According to the device, the covering film can move up and down while being wound horizontally and circumferentially through the film covering assembly, the covering range is effectively expanded, compared with traditional pure horizontal circumferential winding, the Korean pine grafting part can be covered more comprehensively, the covering blind area caused by width limitation of the covering film is reduced, and the protection effect of the grafting part is improved.

The invention discloses a green manure returning method suitable for arid and semi-arid regions, and belongs to the technical field of green manure returning. Green manure crops are harvested to prepare slow-release green manure to be applied to soil, and the slow-release green manure can quickly release part of water and nutrients after entering the soil; the rest of the slow-release green manure is continuously decomposed in the soil to release the nutrients, and meanwhile, water in the soil is effectively absorbed and retained, so that better growth conditions are provided for crop growth, the crop yield is ensured, and the crop yield is improved. The method for returning the green manure to the field has important significance on increasing the yield of crops in arid and semi-arid regions.

The invention discloses an arid and semi-arid region water consumption threshold determination method and device based on water balance, and the method comprises the steps: determining the change of land water reserves, and constructing a first function relation between the change of land water reserves and water consumption redundancy; the water consumption redundancy represents the rainfall surplus degree when the water amount balance is maintained; the land water reserve change is the difference between the land water reserve at the ith moment and the land water reserve at the (i-1) th moment; calculating the water consumption redundancy and the evapotranspiration total water consumption threshold value based on the first function relation when the water amount is balanced; establishing a second function relationship between the land water reserve change and the main water consumption redundancy, and calculating a main water consumption threshold value when the water amount is balanced; and establishing a relationship between the main water consumption factor and the main water consumption threshold value to determine the water consumption threshold value of the arid and semi-arid region. The method provided by the invention can provide reliable reference for quantifying the water consumption threshold value of the arid and semi-arid regions, and has important practical significance for reasonable allocation of water resources and promotion of agricultural and ecological sustainable development.

The invention discloses a seed ball preparation process for ecological restoration and a sowing method. The preparation process comprises the following steps: preparing a wrapping material, preparing wrapping slurry and preparing a ball, in the step of preparing the wrappage, a protective shell substance and a soil binding agent are uniformly mixed to obtain the wrappage; the preparation of the wrapping slurry comprises the following steps: adding water into a wrapping material, and uniformly mixing to obtain the wrapping slurry; the balling step comprises the step of performing balling treatment on the wrapping slurry and the plant seeds to obtain seed balls; the seedball prepared by the invention still has high germination success rate and survival rate in the land degradation environment of arid and semi-arid regions.

The invention relates to the field of ecological hydrology, and discloses an arid and semi-arid region plant ecological water consumption calculation method, which comprises the following steps: acquiring meteorological, soil and vegetation phenological data; constructing a root system depth dynamic evolution model, and updating the maximum depth of the root system day by day; determining the depth weight of the effective moisture extraction layer based on the dynamic root system distribution; calculating the weighted average effective soil water content; and outputting daily-scale ecological water consumption in combination with the corrected transpiration scale model. By coupling meteorological driving, soil moisture stress and a dynamic regulation and control mechanism of a plant growth stage on a root system, the water consumption inversion precision is remarkably improved, the root-mean-square error is reduced by more than 25% through actual measurement verification, and a high-precision quantification tool is provided for ecological water demand evaluation and water resource management.

The invention discloses a semi-arid region vegetation pattern construction method and device, and relates to the technical field of vegetation pattern construction and semi-arid region ecological restoration, and the method comprises the steps: obtaining water resource data, vegetation data and climate data of a semi-arid region; according to the water resource data, performing water resource evaluation on the semi-arid region to obtain a water resource evaluation result; according to the vegetation data and the climate data, performing vegetation water demand analysis on the semi-arid region to obtain a vegetation water demand analysis result; carrying out vegetation suitability evaluation on the semi-arid region, and screening vegetation species matched with water resource conditions of the semi-arid region; and carrying out vegetation pattern design on the semi-arid region, and determining a vegetation pattern design scheme so as to conveniently carry out vegetation planting operation on the semi-arid region. According to the method, reasonable matching of vegetation construction and water resources in the semi-arid region can be achieved, and the stability and the ecological service function of a regional ecological system are effectively improved.

This application discloses a comprehensive treatment method for salinized soil in semi-arid region, comprises: stripping and collecting the topsoil; spreading sandy soil and / or loess soil as a imported soil layer; spreading an anti-seepage layer, a salt barrier layer and a membrane layer successively on the imported soil layer; mixing clay into the topsoil to obtain mixed soil; blending saline-alkali land conditioner with the mixed soil to obtain planted soil; spreading the planted soil on the membrane layer to obtain a planting layer. The method combines physical, hydraulic, chemical and biological remediation methods to comprehensively manage saline-alkali soil in semi-arid areas. It consumes less water resources, has a shorter treatment cycle, shows quick results, is conducive to plant growth, and can effectively inhibit the return of salt.