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508 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.

Intelligent ecological restoration system, method and device for high and steep slope of strip mine in arid region

The invention provides an intelligent ecological restoration system, method and device for a high and steep slope of a strip mine in an arid region. Comprising a data acquisition layer which realizes real-time acquisition of multi-dimensional environmental data through InSAR satellite remote sensing, a ground sensor network and unmanned aerial vehicle multispectral imaging; the transmission layer adopts LoRa and 5G hybrid networking; the platform layer is used for constructing a slope stability prediction and restoration scheme optimization platform based on a digital twinborn model and a deep learning algorithm; and the application layer is used for remotely controlling the repairing device through a mobile terminal and a Web terminal and monitoring the repairing progress in real time. The problems that a traditional restoration technology is poor in adaptability, low in vegetation survival rate, high in ecological restoration cost, insufficient in monitoring technology application, insufficient in monitoring feedback mechanism, insufficient in intelligence, long in ecological restoration period and the like are solved.
Owner:CENT SOUTH UNIV +1

Hydrophobic-hydrophilic Janus water collection membrane and efficient preparation method thereof

The invention discloses a hydrophobic-hydrophilic Janus water collecting film and an efficient preparation method thereof, and belongs to the field of water collecting materials. An electrostatic spinning process is adopted, and a hydrophobic polymer is accurately deposited on the surface of a hydrophilic substrate in the form of a nanofiber array, so that the Janus composite membrane with an asymmetric wetting gradient structure is successfully constructed. The unique double-sided wettability difference drives the liquid drops to realize directional transmission, and the core mechanism of the liquid drops is derived from capillary force regulation and control caused by interfacial wetting potential energy difference. The Janus membrane shows excellent performance in the aspect of air moisture trapping, the ultra-fast moisture absorption characteristic and the surface regeneration capacity are achieved, and compared with a traditional single-layer hydrophilic membrane, the water collecting efficiency is remarkably improved by 110%. A one-step forming process is adopted for preparation, the diameter of the nanofibers is controllable, complex post-treatment procedures are not needed, and energy consumption required by equipment is low. The high-performance water collecting film has important application value in the fields of atmospheric water taking in arid regions, dehumidification of precise instruments and the like.
Owner:ANYANG INST OF TECH

Construction method for governing and repairing desertification degraded grassland in arid area

The invention discloses a construction method for governing and repairing desertification degraded grassland in an arid area, and relates to the technical field of sand governing. The method comprises the following steps: evaluating a native vegetation type, vegetation coverage, a soil degradation and desertification degree, a soil type and a water resource condition; performing classified measures according to natural conditions, and determining different types of dune (flowing, fixed or semi-fixed) treatment measures; construction preparation; grid sand barriers are laid on the windward sides of the moving dunes and the semi-fixed dunes, and sand stabilization operation is conducted in a mechanical and manual combined mode; digging pits to plant indigenous shrubs subjected to special treatment, and using rooting water retention bags to improve the survival rate; the granular organic fertilizer and the seeds are mixed and stirred according to a certain proportion and then sown into soil at a time, the operation frequency is reduced, and precise fertilization is achieved. Through effective sand prevention and control measures, the sand wind damage is reduced, the living environment of farmers and herdsmen is protected, and the living quality is improved.
Owner:INNER MONGOLIA TAIWEI ECOLOGICAL TECH CO LTD +1

Artificial precipitation enhancement data acquisition system and evaluation method based on remote sensing image

The invention discloses an artificial precipitation data acquisition system and evaluation method based on a remote sensing image, and relates to the technical field of ecological environment restoration and meteorological science. Comprising the following steps: acquiring remote sensing image data and rainfall data of meteorological stations in a region, performing geometric correction and radiation correction on the remote sensing image data based on ENVI software to obtain corrected remote sensing data, and calculating the rainfall data of the meteorological stations on the basis of the corrected remote sensing data and regional historical rainfall data. The rainfall change data and the vegetation change data in different time periods before and after artificial rainfall enhancement are respectively obtained through a regression analysis method and a pixel dichotomy method, the rainfall change data and the vegetation change data in different time periods before and after artificial rainfall enhancement are compared, the influence of rainfall enhancement on vegetation recovery is quantitatively analyzed, and the rainfall enhancement effect is analyzed by utilizing spatial-temporal dynamic change. According to the method, the influence of rainfall enhancement on the ecological environment can be evaluated more comprehensively and accurately, and a new scientific basis is provided for ecological restoration of arid regions.
Owner:CIVIL AVIATION FLIGHT UNIV OF CHINA

Microbial solidification sand barrier and preparation method thereof

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.
Owner:XIAN POWER TRANSMISSION & TRANSFORMATION PROJECT ENVIRONMENTAL IMPACT CONTROL TECHN CENT CO LTD +1

Method for predicting seawater intrusion index with multiple parameters in groundwater for sustainable groundwater management

A computer-implemented method for predicting a Seawater intrusion index in coastal aquifers in arid regions with multiple parameters in groundwater for a sustainable groundwater management includes selecting multiple parameters based on the level of informative contribution and the multicollinearity to obtain an input dataset, partitioning the input dataset into a modeling dataset and a testing dataset, dividing the modeling dataset into a training set and a validation set and tuning hyperparameters based on a grid search strategy for each model, training each model based on the training set and hyperparameters, evaluating each model based on the validation set and multiple statistical performance metrics, selecting a prediction model based on the testing dataset and the multiple statistical performance, predicting the Seawater intrusion index from the prediction model, and creating an adaptive groundwater management strategy based on the SWI index.
Owner:KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS

Apparatus and method of creating wetlands in hot arid environments

A method of creating a wetland in a hot, arid, location includes identifying or establishing a channel of flowing water at the arid location, and installing therein a mat containing seeds, and / or seedlings, and a super absorbent polymer (SAP). Water from the channel is applied to hydrate the SAP, and both edible and dam-constructing vegetation is allowed to grow and mature from the seeds and / or seedlings. Beavers are then introduced into the arid location, which eat the edible vegetation and use the dam-constructing vegetation to construct at least one dam across the channel of flowing water, thereby forming a wetland that further encourages both the vegetation and the beavers to propagate. A perforated, transparent or translucent cover sheet can be placed on or suspended above the mat. A water barrier can be placed below the mat. The wetland vegetation cools and humidifies the environment by transpiration of water.
Owner:VIRIDIS ARBOR LLC

Apparatus and method of creating wetlands in remote arid environments

A method of creating a wetland in a remote arid location includes identifying or establishing a channel of flowing water at the arid location, and installing therein a mat containing seeds, and / or seedlings, and a super absorbent polymer (SAP). Water is applied to the SAP, such that both edible and dam-constructing vegetation grows and matures from the mat. Beavers are then dropped into the arid location by parachute in containers that open upon landing. The beavers eat the edible vegetation and use the dam-constructing vegetation to construct at least one dam across the channel of flowing water, thereby forming a wetland that further encourages both the vegetation and the beavers to propagate. A perforated, transparent or translucent cover sheet can be placed on or suspended above the mat. A water barrier can be placed below the mat. The wetland vegetation cools and humidifies the environment by transpiration of water.
Owner:VIRIDIS ARBOR LLC

Comprehensive sand prevention and control system for arid region

The invention provides a comprehensive desertification prevention and control system for an arid region, and relates to the technical field of environmental governance, the comprehensive desertification prevention and control system comprises a sand blocking unit, a straw grid unit, a vegetation unit and a biological crust layer unit, and the sand blocking unit is arranged on the same side of the vegetation unit, the straw grid unit and the biological crust layer unit and located in the windward direction; the straw grid units are arranged around the vegetation units, the biological crust layer units are arranged in an area defined by the straw grid units and cover the earth surface, and the biological crust layer units are arranged around the vegetation units. The desertification prevention and control effect is improved by selecting shrub types with high hydraulic safety and low growth rate and combining physical and biological skinning technologies.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS

Apparatus and method of creating wetlands in hot arid environments

A method of creating a wetland in a hot, arid, location includes identifying or establishing a channel of flowing water at the arid location, and installing therein a mat containing seeds, and / or seedlings, and a super absorbent polymer (SAP). Water from the channel is applied to hydrate the SAP, and both edible and dam-constructing vegetation is allowed to grow and mature from the seeds and / or seedlings. Beavers are then introduced into the arid location, which eat the edible vegetation and use the dam-constructing vegetation to construct at least one dam across the channel of flowing water, thereby forming a wetland that further encourages both the vegetation and the beavers to propagate. A perforated, transparent or translucent cover sheet can be placed on or suspended above the mat. A water barrier can be placed below the mat. The wetland vegetation cools and humidifies the environment by transpiration of water.
Owner:VIRIDIS ARBOR LLC

Apparatus and method of creating wetlands in remote arid environments

A method of creating a wetland in a remote arid location includes identifying or establishing a channel of flowing water at the arid location, and installing therein a mat containing seeds, and / or seedlings, and a super absorbent polymer (SAP). Water is applied to the SAP, such that both edible and dam-constructing vegetation grows and matures from the mat. Beavers are then dropped into the arid location by parachute in containers that open upon landing. The beavers eat the edible vegetation and use the dam-constructing vegetation to construct at least one dam across the channel of flowing water, thereby forming a wetland that further encourages both the vegetation and the beavers to propagate. A perforated, transparent or translucent cover sheet can be placed on or suspended above the mat. A water barrier can be placed below the mat. The wetland vegetation cools and humidifies the environment by transpiration of water.
Owner:VIRIDIS ARBOR LLC

Method for monitoring ecological environment of vegetation in small watershed in arid region

The invention discloses an arid region small watershed vegetation ecological environment monitoring method comprising the following steps: obtaining an arid region small watershed earth surface image, processing the arid region small watershed earth surface image, and obtaining a first vegetation distribution image; acquiring a second vegetation distribution image according to matching of the first vegetation distribution image and a spectral feature library; extracting spatial distribution characteristics of a vegetation community from the second vegetation distribution image, calculating a dynamic change trend of the spatial distribution characteristics, and obtaining a community structure change data set; based on the community structure change data set, predicting a short-term evolution trend of the vegetation community structure by adopting a long-short-term memory network, and obtaining a dynamic change prediction result of the vegetation community structure; according to the dynamic change prediction result, combining the community structure change data set to quantify the biodiversity level to obtain a biodiversity evaluation result; key indexes are extracted from the biodiversity evaluation result, and vegetation ecological environment state data are monitored in real time according to the key indexes.
Owner:INNER MONGOLIA AGRICULTURAL UNIVERSITY

Method for afforestation in arid region

The invention provides a method for afforestation in arid regions, and relates to the field of afforestation. The method comprises the following specific steps: S1, digging holes; s2, fertilizer is put into one side in the pit; s3, a barrel-shaped first thin film is laid in the pit; s4, the pit is backfilled with soil for the first time; s5, adding water-retaining agent dry particles into the pits, and watering the pits until the water-retaining agent dry particles absorb water and expand into gel solids; s6, the center position of the gel solid in the pit is backfilled with soil for the second time; S7, the saplings are planted in the soil pile stand columns backfilled for the second time at the same time; in the planting process, the soil backfilled for the second time is tamped downwards and makes full contact with the soil backfilled for the first time, so that the gel solid overflows upwards from the gaps and wraps the soil backfilled for the second time and the planted saplings, and the surface of the gel solid is covered with the remaining soil backfilled for the second time; s8, the surface of the soil backfilled for the second time is covered with a thin film for the second time; and S9, the remaining soil is backfilled for the third time and covered with the film for the second time, and the soil is tamped. The method can improve sapling survival rate, reduce cost and promote sapling growth.
Owner:SICHUAN SIX WALNUT SEEDLINGS TECHNOLOGY CO LTD

Well and canal double-irrigation and rotational irrigation wind-solar complementary intelligent water-saving and salt-controlling irrigation device and method for arid and semi-arid areas

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.
Owner:WUHAN UNIV

Application of transcription factor BnaMYB52 in regulation and control of drought resistance of rape

The invention discloses application of a transcription factor BnaMYB52 in regulation and control of drought resistance of rape, and relates to the technical field of biology. The amino acid sequence of the transcription factor BnaMYB52 is as shown in any one of SEQ ID NO. 5 to 8. According to the invention, the negative regulation effect of the transcription factor BnaMYB52 in the drought resistance of the rape is disclosed for the first time, and a brand new molecular target and a genetic improvement strategy are provided for improving the drought resistance of the rape. Through in-depth study, it is found that knockout of the BnaMYB52 gene can significantly enhance the tolerance of rape plants to the drought environment. In addition, a new drought-resistant rape germplasm obtained after genetic modification of the gene shows excellent adaptive capacity in a drought stress environment. The technical breakthrough not only helps to solve practical problems faced by rape planting in arid regions, but also lays a solid theoretical foundation and technical support for cultivating high-yield and high-quality rape varieties adapting to extreme climate conditions.
Owner:YAZHOUWAN NATIONAL LABORATORY

Marsinia strain and application thereof

The invention provides a strain of Marsinia sp.LXY-5 and application thereof, the classification name of the Marsinia sp.LXY-5 is Massinia sp.LXY-5, the preservation unit is China General Microbiological Culture Collection Center, and the preservation number of the Marsinia sp.LXY-5 is CGMCC (China General Microbiological Culture Collection Center). The address is Institute of Microbiology, Chinese Academy of Sciences, No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing; the preservation date is October 15, 2024, and the preservation number is CGMCC (China General Microbiological Culture Collection Center) No. 1.62472. The invention also provides an application of the marssonia in the aspect of microbial phosphate solubilization and an application of the marssonia in arid regions.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING) +1

Intelligent regulation and control system for cotton growth in arid region

The invention discloses an intelligent regulation and control system for cotton growth in an arid region, and the system comprises the steps: carrying out the periodic fixed-point scanning type soil conductivity detection of a cotton planting region through a conductivity sensor carried by an unmanned plane, and obtaining a soil conductivity time sequence; the camera collects a plurality of remote sensing images of a cotton planting area in real time; the regulation and control terminal performs cotton region division on the complete orthoimage of the cotton planting region according to the position coordinates of the fixed points of the conductivity sensor; constructing a time-varying vector autoregression model, calculating the dynamic influence of a soil conductivity time sequence and meteorological data on the water and salt content through an impulse response function, and determining the contribution degree of each variable to the change of the water and salt content through variance decomposition; screening a to-be-irrigated area, and generating a transverse and longitudinal operation connection path of the irrigation equipment by considering the U-turn area constraint. According to the method, the dynamic influence relation between variables is fully considered, and irrigation requirements are accurately reflected; and the operation path of the irrigation equipment is generated through the path planning module, so that intelligent regulation and control of cotton growth are realized.
Owner:XINJIANG ACADEMY OF AGRI & RECLAMATION SCI

Tree species screening method for high-altitude drought afforestation, afforestation method and application

The invention provides a tree species screening method for high-altitude drought afforestation, an afforestation method and application, and belongs to the technical field of forest tree breeding and cultivation. According to the screening method, five physiological and biochemical indexes of soluble protein, malondialdehyde, proline, peroxidase and soluble sugar in the tree species are measured through a gradient drought stress experiment, and comprehensive scoring is performed by adopting a membership function, so that the drought-resistant tree species are scientifically screened. The tree species such as sophora moorcroftiana, rosa serrulata and amorpha fruticosa screened by the method are applied to afforestation in the high-altitude arid region, and the afforestation survival rate and preservation rate can be remarkably increased. The invention provides a reliable technical scheme for solving the long-term problem that the selection of tree species in the difficult site field lacks scientific basis.
Owner:FOREST SCI RES INST OF TIBET AUTONOMOUS REGION

Agricultural water-adaptive irrigation integrated device for arid region

The utility model discloses an arid region agricultural suitable water irrigation integrated device, which belongs to the technical field of hydraulic engineering, and comprises a water storage well, an open ditch and a blind ditch, the water storage well is provided with a water storage cavity, the water storage cavity is used for storing a water source, and a water level sensor and a water quality detection component are arranged in the water storage cavity; the open trenches are communicated with the water storage well, and the open trenches are all arranged on the earth surface; the blind ditches are communicated with the water storage well, and the blind ditches are all arranged in soil which is spaced from the earth surface by a certain distance. According to the agricultural water-adaptive irrigation integrated device for the arid region, the problems that in the prior art, in the farmland irrigation process, the collection and storage capacity is insufficient, and the water recycling degree is not high are solved, the purposes of recycling and efficient water saving are achieved through the integrated device, and the agricultural water-adaptive irrigation integrated device is simple in structure, remarkable in effect and suitable for wide popularization.
Owner:NANJING HYDRAULIC RES INST

Intelligent irrigation system for orchard in arid area

The invention is suitable for the technical field of intelligent irrigation, and provides an intelligent irrigation system for an orchard in an arid region, which comprises an orchard image data acquisition end, a crop growth data acquisition end, a cloud platform, a remote control end and an irrigation device, and is characterized in that the cloud platform is connected with the orchard image data acquisition end, the crop growth data acquisition end and the remote control end; the remote control end is connected with the irrigation device; the cloud platform comprises an arid region monitoring module and a crop water demand prediction module; after the cloud platform receives data transmitted by the orchard image data acquisition end and the crop growth data acquisition end, the data is analyzed through the arid area monitoring module and the crop water demand prediction module, and then an analysis result is sent to the remote control end, so that the remote control end obtains a corresponding irrigation strategy after analysis and processing. And the irrigation device is controlled to perform intelligent irrigation based on the irrigation strategy, so that the problems of water resource waste and large energy consumption in intelligent irrigation are solved.
Owner:JIAYING UNIV

Atmospheric hygroscopic material for ecological restoration of arid-semi-arid regions and preparation method of atmospheric hygroscopic material

PendingCN119499833AHigh moisture absorptionno energy consumptionDispersed particle separationIsopropylFreeze-drying
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.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Soil wind erosion treatment device

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.
Owner:BEIJING NORMAL UNIVERSITY

High-survival-rate grafting method for grafting pinus sylvestris onto Korean pine in arid region

The invention discloses a high-survival-rate grafting method for grafting pinus sylvestris to pinus koraiensis in arid regions, which comprises the following steps: selecting pinus sylvestris stock with the growth period of 4-6 years, flatly cutting below a terminal bud branch point to form a cross section, downwards and obliquely cutting twice from the cross section to form a triangular pyramid-shaped chimeric structure, cutting a semi-lignified pinus koraiensis scion with a terminal bud, and grafting the semi-lignified pinus koraiensis scion with the terminal bud to obtain the pinus sylvestris scion. After main buds are reserved and lateral buds are cut off, two oblique triangular xylem sections are obliquely cut out from the lower portion of spores through two cutters, and a double-slope wedge-shaped joint body is formed; when the rootstock and the scion are cut, the cutting blade is immersed in an aqueous solution containing a plant growth regulator and a bactericide; the double-slope wedge-shaped joint body is inserted into the triangular pyramid-shaped embedding structure, so that the scion medullary layer and the stock medullary layer are overlapped; wrapping the interface with a composite hydrogel film containing a temperature-sensitive polymer and an antibacterial component; shading treatment is carried out after grafting is completed. The method can significantly improve the survival rate of grafted seedlings.
Owner:INNER MONGOLIA PINECONE ECOLOGICAL TECHNOLOGY CO LTD

Drought-enduring plant community construction method for ecological restoration in extreme drought region

The invention provides a drought-enduring plant community construction method for ecological restoration in an extreme drought region, and relates to the technical field of plant community construction. The drought-enduring plant community construction method for ecological restoration in the extreme arid region comprises the following steps: performing environmental assessment on a target region, and determining basic conditions of soil type, pH value and salt content; drought-enduring plants suitable for growing in the extreme drought region are screened out according to the early-stage investigation result; determining the structure and composition of a plant community, and constructing a multi-layer and multi-species plant community; selecting a proper planting mode; reasonably configuring the plant proportion; implementing soil improvement measures; breeding according to a specified plan; the growth condition of the plant community is monitored regularly, the growth condition and the ecological effect of the plant are known, and the construction method of the plant community is evaluated and adjusted according to the monitoring result. According to the method, the stability and the ecological function of an ecological system are improved by constructing a multi-layer and multi-species plant community.
Owner:INNER MONGOLIA AGRICULTURAL UNIVERSITY +1

Saline-alkali improvement device and method for dry sowing and wet emergence of cotton

InactiveCN120188605ASpadesSoil lifting machinesAgricultural scienceSaline-Tolerance
The invention relates to the technical field of cotton planting, in particular to a saline-alkali improvement device for dry sowing and wet discharging of cotton, which comprises a first frame body, a second frame body is fixedly mounted on the right side of the first frame body, an auxiliary frame is fixedly mounted at the right end of the bottom of the second frame body, and a positioning pressing wheel and a soil covering plough are respectively arranged at the left end and the right end of the bottom of the auxiliary frame. Through the effect of the improvement device and the improvement method, the problems that the growth situation of cotton seedlings is affected due to the fact that the soil is extremely prone to salt reversion due to the reasons such as many windy days, high temperature and fast water evaporation in cotton planting in arid areas are solved, and planters can grow more easily in order to guarantee the growth of cotton. The problems that soil salinization is aggravated, the salt tolerance of cotton is reduced, ecological restoration and sustainable development of the cotton industry are not facilitated and the like due to excessive spraying of water or abuse of various fertilizers including nitrogen fertilizers exist in the prior art.
Owner:SHIHEZI UNIVERSITY

Salt removing and soil improving method for constructing capillary channels

The invention relates to a salt transfer and soil improvement method for constructing capillary channels, which aims at the problems of deep salt accumulation and year-by-year aggravation of a water-saving farmland in an arid region, and comprises the following steps: drip irrigation of fresh water under a film on a ridge for salt leaching, film laying at the bottom of a furrow, landfill of a high-water-conductivity organic material, cuttage of water diversion straws in the organic material, and covering of a plurality of layers of black cotton fibers. An arch-shaped raised evaporation surface between the membranes is formed, namely, a continuous capillary channel is built, salt is enriched in a porous cotton fiber material, after salt accumulation is balanced, an outer layer is removed regularly, and dry discharged salt recovery in the farmland is achieved; and in cooperation with interchange of furrows and ridges and winter irrigation of inter-annual period slack farming water, farmland plough layer desalination and fertilization are actively realized year by year.
Owner:XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI

GIS-based arid and semi-arid region farmland irrigation priority dynamic evaluation and zoning method, system, equipment and medium

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.
Owner:NANJING HEHAI NANZI HYDROPOWER AUTOMATION

Small flat film heat preservation cultivation method for amorphophallus bulbifer in cold and arid region

The invention belongs to the technical field of cultivation, and discloses a small flat film heat preservation cultivation method for amorphophallus bulbifer in cold and arid areas, and the small flat film is used for covering, so that the ground temperature can be increased, and early sowing and early harvesting of the amorphophallus bulbifer are promoted. The temperature in the mulching film is 7-9 DEG C higher than that in the open field, amorphophallus bulbifer can be sown 30 days earlier, and seedlings emerge 15 days earlier. In addition, the small flat film can reduce water evaporation, prevent rainstorm scouring and keep the soil water content stable, and drought resistance and waterlogging prevention are facilitated.
Owner:KUNMING UNIVERSITY

Photovoltaic system under-panel irrigation monitoring method, system and device for grassland in arid region

The invention belongs to the technical field of photovoltaic solar power station park rainfall irrigation, and discloses an arid area grassland photovoltaic system under-panel irrigation monitoring method, system and device. According to the method, a monitoring device is used for monitoring the soil humidity under a current arid area photovoltaic park (grassland photovoltaic system) panel in real time, and when the soil humidity is lower than a threshold value set by a user, the monitoring device starts a water suction pump to work through an internal processor; meanwhile, the monitoring device controls the opening degree and the opening and closing time of an intelligent switch electromagnetic valve additionally arranged on a tee joint or a four-way joint in the transverse pipe and longitudinal pipe connecting device; and the remote arid area grassland soil monitoring end performs comprehensive treatment according to the current soil humidity to obtain an optimal soil humidity and soil salinity and alkalinity combined value. The soil humidity around the drip irrigation opening of the underground drip irrigation pipeline can be monitored, the water suction pump is turned on and turned off through the monitoring center device, and the water utilization efficiency of vegetation of a grassland photovoltaic system in an arid region is improved.
Owner:XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI

Construction process for treating endangered haloxylon ammodendron by using microbial technology

PendingCN119790889AWatering devicesCultivating equipmentsMicroorganismHaloxylon ammodendron
The invention discloses a construction process for treating endangered haloxylon ammodendron trees by using a microbial technology. The construction process aims at solving the problem that withered haloxylon ammodendron trees cannot be rejuvenated and gradually die under the condition that a large amount of water cannot be watered in an extremely arid area. Comprising the following steps: step 1, preparing haloxylon ammodendron microbial bacterial liquid; step 2, preparing microbial minerals; step 4, backfilling microbial minerals; step 5, irrigating haloxylon ammodendron with microbial bacterial liquid; 6, backfilling the treatment pits with soil; the haloxylon ammodendron is irrigated for the first time for 5-7 days, the haloxylon ammodendron is irrigated for the second time, the haloxylon ammodendron microorganism bacterium liquid prepared according to the specification and sterile water are mixed according to the proportion of 1: 500, the mixture is put into a watering cart for water irrigation and then irrigated on site, and each haloxylon ammodendron is irrigated with 20 kg of bacterium liquid. The process realizes water-saving rejuvenation of haloxylon ammodendron trees in extreme drought and water-deficient areas by using a microbial technology, and is low in cost, high in efficiency, good in ecological benefit and water-saving.
Owner:QIANQI BIOTECHNOLOGY (SHANGHAI) CO LTD