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135 results about "Sodication" patented technology

Sodication, more commonly called sodification, is the process by which the exchangeable sodium content of the soil is increased.

Internet-based intelligent environment regulation and control system and method for greenhouse vegetables

The invention relates to the technical field of greenhouse vegetable planting environment regulation and control, in particular to an internet-based intelligent greenhouse vegetable environment regulation and control system and method, which comprises an acquisition module, a monitoring module, an analysis module, a decision module, an execution control module and a mobile terminal interaction module, in combination with a preset successive cropping obstacle threshold model, analyzing to obtain the soil secondary salinization degree, the nutritional imbalance state, the microflora disorder index and the allelochemical toxicity grade; and the decision module is used for generating a comprehensive regulation and control strategy including crop rotation suggestions, irrigation amount, a fertilization scheme, biological control measures and environmental parameter regulation instructions in combination with facility vegetable types and growth stage requirements. A continuous cropping obstacle analysis result is obtained through the analysis module in combination with big data and a machine learning algorithm, a comprehensive regulation and control strategy is generated, continuous cropping obstacles are effectively dealt with, and the planting efficiency and the vegetable quality are improved.
Owner:GUIZHOU UNIV

Integrated saline grainfield soil improvement and remediation method

The invention relates to the technical field of soil treatment, in particular to an integrated saline grainfield soil improvement and remediation method. According to the method, precise irrigation, concealed pipe drainage, salt-tolerant crop planting and bioremediation technologies are comprehensively applied, and systematic treatment of the salinized soil is achieved. Precise irrigation dynamically regulates and controls the leaching depth and frequency on the basis of real-time soil salinity and moisture data, the underground water level is intelligently controlled in combination with an underground pipe drainage network, salt accumulation is effectively reduced, and water resource waste is avoided; according to the salt-tolerant crop and green manure rotation mode, salt damage is reduced through plant salt absorption and root system nitrogen fixation, soil organic matter accumulation and microbial community reconstruction are promoted through application of a microbial agent and biochar, and a sustainable soil improvement mechanism is formed. The intelligent monitoring system integrates multiple types of sensors, collects key indexes such as salinity, nutrients and pH values in real time, predicts the salinization trend and regulates and controls irrigation, fertilization and drainage equipment in a linkage mode, full-process automatic management is achieved, and the management precision and efficiency are remarkably improved.
Owner:XINJIANG ACAD OF AGRI SCI (XINJIANG BRANCH OF CHINESE ACAD OF AGRI SCI) +1

SsNHX1 and SsSOS2 dual-gene plant expression vectors and their application in improving salt tolerance in alfalfa

This invention relates to the field of plant genetic engineering technology, and more particularly to... SsNHX1 and SsSOS2 Dual-gene plant expression vector and its application in improving salt tolerance in alfalfa. The plant expression vector uses pCAMBIA1300 as its backbone and inserts genes derived from Suaeda salsa. SsNHX1 Genes and SsSOS2 It is constructed from genes. SsNHX1 Genes and SsSOS2 The CDS coding sequence of the gene is shown in SEQ ID NO:1 and SEQ ID NO:2 of the sequence listing. Using Agrobacterium tumefaciens EHA105-mediated transformation, the vector was introduced into the leaves of sterile alfalfa seedlings. Positive transgenic plants were obtained through co-culture, callus induction differentiation, and PCR identification. The advantage lies in the synergistic effect of the two genes, which effectively enhances the salt tolerance of alfalfa, enabling it to grow normally under 200–300 mM NaCl stress, providing a new solution for forage cultivation in saline soils.
Owner:JILIN AGRICULTURAL UNIV

Visual multipoint salinity collection and analysis method and system for salted cotton field

The invention relates to the technical field of agricultural data visualization, in particular to a salinized cotton field visual multi-point salinity collection and analysis method and system.The method comprises the following steps that soil conductivity distribution data of a salinized cotton field area is obtained, a high-salinity accumulation area and a low-salinity dilution area are recognized, particle gap distribution characteristics are collected, and a salinized cotton field is obtained; and screening areas with loose or compact particle structures, executing temperature gradient analysis, screening surface thermal environment abnormal subareas, detecting wind speed distribution, removing wind field disturbance areas, and obtaining a recommended planting area list. According to the method, high and low salt areas are accurately identified through salt space distribution analysis, distribution precision is improved, humidity dynamic expression is refined, structural abnormal blocks are screened by using a particle gap change trend, soil management is optimized, surface temperature and wind speed data analysis is superposed, thermal disturbance and wind field abnormity are eliminated, and agricultural management precision is improved through multi-dimensional data fusion. The capability of coping with a complex environment is enhanced, efficient decision making is effectively supported, and the overall agricultural production benefit is improved.
Owner:XINJIANG ACADEMY OF AGRI & RECLAMATION SCI

Water-soluble fertilizer and compound fertilizer for promoting growth of oats in saline-alkali soil as well as preparation method and application of water-soluble fertilizer and compound fertilizer

The invention provides a water-soluble fertilizer and a compound fertilizer for promoting growth of oats in saline-alkali soil as well as a preparation method and application of the water-soluble fertilizer and the compound fertilizer, and belongs to the technical field of fertilizers and preparation thereof. The water-soluble fertilizer comprises the following components in parts by weight: 20-30 parts of urea, 25-35 parts of ammonium sulfate, 10-20 parts of ammonium polyphosphate, 40-50 parts of potassium sulfate and 5-15 parts of humic acid. The compound fertilizer comprises the water-soluble fertilizer and a seed embedding agent, the seed embedding medium is prepared from the following components in parts by weight: 0.5 to 1.5 parts of bacillus subtilis, 1 to 3 parts of plant lactobacillus, 3 to 5 parts of basophilic halomonas and 10 to 15 parts of kaolin. The components and contents of the water-soluble fertilizer meet the nutritional requirements of the oats in the growth and development period, and the growth of the oats in the saline-alkali soil is promoted. By adding the microbial agent, the pH and salt content of the saline-alkali soil are reduced, the salinization of the saline-alkali soil is improved, and the oat plant height, the overground plant quantity and the seed yield of the saline-alkali soil are obviously increased.
Owner:QINGHAI UNIVERSITY

Saline-alkali tolerant cladosporium Ca38 and application thereof

The invention belongs to the technical field of microorganisms, and particularly relates to a salt-alkali tolerant cladosporium sp. Ca38 and application thereof. The cladosporidium sp. Ca38 disclosed by the invention is preserved in the Guangdong Microbial Culture Collection Center on August 1, 2025, and the preservation number is GDMCC No: 66798. The cladosporidium sp. Ca38 disclosed by the invention has been preserved in the Guangdong Microbial Culture Collection Center on August 1, 2025. By inoculating cladosporium, wheat germination and growth can be effectively promoted, damage of salt stress to wheat can be relieved, the salt tolerance of plants is improved, and the key growth problem caused by soil salinization of wheat is solved. The method has a wide prospect in the cultivation application of wheat and other plants.
Owner:SHANDONG AGRICULTURAL UNIVERSITY +1

Rapid method for determining precise fertilization of cigars

The invention relates to a rapid method for determining precise fertilization of cigars. Comprising the following steps: 1) collecting spectral data of a cigar canopy in a cigar field by using a portable hyperspectrometer, 2) detecting soil nutrient indexes such as soil available nitrogen, available phosphorus, available potassium and pH in situ in the field by using an electrochemical soil nutrient sensor to obtain real-time detection data of soil nutrients; 3) acquiring meteorological data of the target plot and growth period information of the cigars, wherein the growth period information is divided based on the number of days after the cigars are transplanted; 4) preprocessing and standardizing the canopy spectral parameters, the soil nutrient real-time detection data, the meteorological data and the growth period information to form multi-source fusion input feature data; 5) inputting the multi-source fusion input feature data into a fertilization decision model based on fuzzy logic, and outputting a fertilization formula and a fertilization amount of the cigar in the current growth period; and (6) executing corresponding fertilization operation according to the fertilization formula and the fertilization dosage, regularly repeating the steps (1)-(5) after fertilization, and carrying out rolling correction on a fertilization strategy to realize precise fertilization management of cigars. The fertilizer utilization rate can be remarkably increased, the soil salinization risk caused by excessive fertilization is reduced, the proportion of first-class tobacco is increased, the oil content and the chromaticity of the eggplant coating are improved, economic benefits and ecological benefits are both considered, and the laboratory detection cost and the labor cost are reduced.
Owner:YUNNAN TOBACCO COMPANY YUXI PREFECTURE COMPANY +1

Multi-water-source irrigation control method and system for crops in saline-alkali soil

The invention provides a saline-alkali soil crop multi-water-source irrigation control method and system, and belongs to the technical field of agriculture, and the method comprises the steps: determining an irrigation water salinity target threshold value and a target total irrigation amount according to soil salinity data and crop physiological parameters; determining a water distribution strategy based on the salinity concentration data, wherein the water distribution strategy at least comprises irrigation priorities and collocation of different types of water sources; based on the target irrigation total amount, the irrigation water salinity target threshold value and the water distribution strategy, the target water taking amount of each type of water source is determined; and generating an irrigation control instruction according to the target water intake amount. According to soil salinity, crop types, crop physiological parameters and salinity concentration of multiple water sources, the irrigation water salinity target threshold value and the irrigation water total amount are dynamically and accurately determined; and meanwhile, a priority water distribution strategy is formulated, so that flexible allocation of irrigation among multiple water sources and fine management of the salinity concentration of crop irrigation water can be realized, and soil salinization and crop salinity stress are effectively avoided.
Owner:INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI +1

A soil salinity inversion method based on multi-time scale remote sensing feature fusion

ActiveCN121121376BSensing dataSoil science
This invention discloses a method for soil salinity inversion based on the fusion of remote sensing features at multiple time scales, comprising the following steps: A1 field sampling and soil conductivity measurement; A2 remote sensing data preprocessing and spectral index calculation; A3 environmental covariate acquisition and preprocessing; A4 determination of the optimal time scale feature combination; A5 feature variable screening and optimization; A6 soil salinity inversion model construction; fusing remote sensing features at different time scales, and constructing a soil salinity remote sensing inversion model based on the optimal feature combination using a random forest algorithm. By systematically integrating the instantaneous response features of single-period images with the features of seasonal composite images, the information of remote sensing data at different time scales is fully exploited, solving the problems of single time scale of remote sensing features, insufficient information utilization, and difficulty in coordinating multi-scale features in traditional modeling processes. This improves the model's ability to characterize the spatial distribution of soil salinity and its prediction accuracy, providing more scientific and reliable technical support for remote sensing monitoring of salinized areas.
Owner:INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI +1

Soil desalination and fertility improvement method based on synergism of biochar and microorganisms

The invention discloses a soil desalting and fertility improving method based on biochar and microorganism synergy, and relates to the technical field of soil remediation. The method comprises the following steps: pretreatment of raw materials: crushing agricultural wastes until the particle size is 2-5cm, and drying until the water content is 1t; 10%; preparing and modifying biochar, namely pyrolyzing the pretreated raw materials under a limited oxygen condition at the pyrolysis temperature of 300-700 DEG C for 2 hours to obtain the biochar; microbial compounding: concentrating a salt-tolerant microbial agent to be greater than or equal to 10 CFU / mL, loading the concentrated salt-tolerant microbial agent onto the biochar through a vacuum negative pressure impregnation method, and controlling the mass ratio of a bacterial solution to the biochar to be 1: 10; field implementation: applying the complex into salinized soil according to the dosage of 3-10t / ha, deeply ploughing for 30cm, and irrigating and leaching; effect monitoring: regularly detecting the soil EC (salt) value, the available nitrogen content and the crop yield. According to the soil desalting and fertility improving method, the salt content of the soil can be remarkably reduced, the soil fertility is effectively improved, crop growth is promoted, and the soil desalting and fertility improving method is particularly suitable for rapid improvement of moderately and severely salinized farmlands.
Owner:XINJIANG UNIVERSITY

A simulation method and device for soil salinization response to water saving

The application provides a soil salinization response simulation method and device, the method comprises the following steps: obtaining the soil type, terrain grid data and meteorological data of a target area; inputting the terrain grid data into a first processing model to obtain a sub-basin division result; inputting the meteorological data and soil type into the first processing model according to the sub-basin division result to obtain sub-basin daily precipitation data and sub-basin evapotranspiration; inputting the sub-basin daily precipitation data and sub-basin evapotranspiration into a second processing model to obtain soil salt content and crop yield in combination with sub-basin irrigation; obtaining soil salinization prevention and control measures according to the soil salt content and crop yield; wherein the first processing model is obtained by calibrating a preset processing module according to the difference between the monthly runoff of a basin and the measured calibration data. The application can improve the accuracy, applicability and operability of soil salinization prevention and control.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI +1

Salt-tolerant planococcus FY231025 and application thereof

The present application belongs to the technical field of microbial application, and more particularly relates to a salt and alkali tolerant planococcus FY231025 and application thereof. The planococcus FY231025 provided by the present application is preserved in the China General Microbiological Culture Collection Center, and the preservation time is May 13, 2025, and the preservation number is CGMCC NO: 34534. The bacteria have the functions of salt and alkali tolerance, phosphorus dissolution, IAA production and plant growth promotion, can be used for improving the salt and alkali tolerance of plants, slowing down the degree of soil salinization, protecting plants from active oxygen damage and promoting plant growth, and the strain can be prepared into a fertilizer with plant growth promotion and salt and alkali land improvement effects.
Owner:INNER MONGOLIA UNIV OF SCI & TECH

Bacterium-algae symbiotic system repairing preparation as well as preparation method and application thereof

ActiveCN121450429AAgriculture tools and machinesBacteriaSodicationSerratia liquefaciens
The invention belongs to the technical field of microorganisms, and particularly discloses a bacterium-algae symbiotic system repairing preparation and a preparation method and application thereof. In particular to a bacterium-algae symbiotic system repairing preparation, the repairing preparation comprises acid-resistant microalgae and acid-resistant bacteria, the acid-resistant microalgae is chlamydomonas SAG 2486, and the acid-resistant bacteria comprise serratia liquefaciens AN41 and serratia JG-4-2. The invention discloses a bacterium-algae symbiotic system repairing preparation and a preparation method and application thereof, the bacterium-algae symbiotic system repairing preparation naturally improves soil through biological metabolism, and avoids the risks of soil hardening, ion imbalance, secondary salinization and the like caused by a chemical acid regulating agent.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY

Heavy saline-alkali soil remediation device

The utility model relates to the technical field of soil remediation, in particular to a severe saline-alkali soil remediation device which comprises a driving assembly, a transmission assembly, a liquid outlet assembly, a soil turning assembly and rolling wheels. The driving assembly comprises a machine shell, a speed changer installed in the machine shell and a driving motor serving as a power source of the speed changer, and the output end of the driving motor is fixedly connected with the input end of the speed changer. According to the severe saline-alkali soil remediation device, when the hub rotates, the cone bodies penetrate into the surface of soil and pierce the hardened position of the soil, so that the soil structure is loose, soil turning and liquid medicine injection are easy, when the cone bodies pierce the soil, the bottom of saline-alkali soil is exposed by salinized soil, so that the hub is prone to sinking into the soil, and after the hub body is immersed into the soil, the hub body is not prone to falling into the soil. And the spiral sheets rotate along with the rotation of the hub to further scatter the soil, so that a better soil crushing effect is achieved.
Owner:NANJING TECH UNIV

Soil heavy metal curing composition and application method thereof

The invention belongs to the technical field of geotechnical engineering, particularly relates to the technical field of soil remediation, and particularly relates to a soil heavy metal curing composition and an application method thereof. The composition is prepared from the following raw materials: a bean urease aqueous solution, a chitosan aqueous solution, urea and inorganic acid, and does not contain exogenous calcium salt. Aiming at the problems of heavy metal complexing migration and secondary activation caused by high pH and addition of exogenous calcium ions in the existing enzyme induced carbonate precipitation (EICP) technology, the pH value of a reaction system is adjusted to 7.5-8.3 by introducing inorganic acid, and efficient solidification of the heavy metal is realized under the calcium-free condition by using the chelation of chitosan. According to the method, soil salinization and hardening are avoided, the bio-availability and migration risk of heavy metal are remarkably reduced, meanwhile, the soil moisture content is controlled, subsequent dehumidification treatment is not needed, the engineering cost is reduced, and the method is particularly suitable for heavy metal pollution treatment of complex soil environments such as humus soil.
Owner:ZHEJIANG UNIV

Coastal saline-alkali land green manure combined desalting and fertilizing method based on multistage screening

The invention belongs to the technical field of saline-alkali soil improvement and agricultural biology, and particularly relates to a coastal saline-alkali soil green manure combined desalting and fertilizing method based on multistage screening. According to the method, sand culture and water culture are combined, different NaCl concentration gradients are set, the salt tolerance of green manure crops is evaluated, and green manure varieties suitable for different salinization degrees are screened out; planting the screened green manure varieties in different areas according to the salinization degree of the saline-alkali soil; after the green manure grows to a proper period, turning and returning to the field to realize soil desalination and fertilization. According to the method, multi-dimensional agronomic characters such as the emergence rate, the root length, the plant height and the fresh weight are comprehensively evaluated through a multi-stage screening method combining sand culture primary screening and water culture secondary screening, green manure varieties suitable for mild, moderate and severe salinized soil are scientifically screened out, the defects that in the prior art, green manure selection is blind, and a targeted evaluation system is lacked are overcome, and the method is suitable for large-scale popularization and application. And accurate variety support is provided for biological improvement of the coastal saline-alkali land.
Owner:INST OF SOIL & FERTILIZER FUJIAN ACADEMY OF AGRI SCI

A method, device and system for high-precision quantification of salt spots in cultivated land by fusing multi-source near-ground sensing

PendingCN122330206ASoil scienceAlkali soil
This application discloses a high-precision quantification method, equipment, and system for farmland salinity patches integrating multi-source near-ground sensing, relating to the field of soil salinization. The developed equipment utilizes a vehicle towing an electromagnetically transparent platform carrying sensors via a non-metallic flexible traction component. Measurement software synchronously records centimeter-level spatial position, vehicle speed, sensor attitude, and apparent electrical conductivity of soil at different depths at a unified timestamp while traveling along a planned strip path. Simultaneously, it cleans up uncertain readings, abrupt local anomalies, and data from abnormal instrument attitudes. Subsequently, the apparent electrical conductivity data at different depths is rasterized, and the soil electrical conductivity estimates at different depths are inverted using an electromagnetic induction Q-3D algorithm. A three-dimensional distribution map of total soil salinity is then drawn, and salt accumulation areas are extracted using soil salinization grading standards, accurately defining and visualizing the geometric boundaries of farmland salinity patches. This application enables rapid and accurate monitoring of the three-dimensional spatial distribution of farmland salinity patches, contributing to the precise improvement of saline-alkali land.
Owner:CHINA AGRI UNIV

A raft-type partition layer roadbed structure and a construction method thereof

The present application relates to the technical field of railway subgrade in salinized frozen soil area, and particularly relates to a ship raft type separation layer subgrade structure and a construction method. The structure comprises a ship type separation layer raft foundation arranged on a natural foundation and a subgrade filling body arranged above the ship type separation layer raft foundation. The ship type separation layer raft foundation comprises an outer shell, a geocell arranged in the inner cavity of the outer shell, a foamed polypropylene cement-soil-stone mixture filled in the geocell, and a cooling pipeline network arranged at the bottom of the inner cavity of the outer shell. The ship type separation layer raft foundation is a water-impermeable integral raft structure. The present application effectively prevents foundation thawing settlement and consolidation deformation by the light weight, water isolation, heat preservation and stress dispersion characteristics of the ship type raft foundation, simultaneously isolates water and salt migration, significantly reduces subgrade salt expansion, and meets the requirements of smoothness and durability of grade I railway.
Owner:CHINA RAILWAY ERYUAN ENGINEERING GROUP CO LTD

Underground pipe water drainage and alkali reduction system for saline-alkali land garden green land and use method of underground pipe water drainage and alkali reduction system

The invention discloses a concealed pipe drainage and alkali reduction system for a saline-alkali land garden green land and a use method thereof, and relates to the technical field of garden transformation. Comprising a drainage pipe network and a drainage inspection well, the drainage pipe network comprises a water suction pipe and a water collection pipe which are made of polyethylene double-wall corrugated pipes, the water suction pipe can be wrapped by a filter layer, and the drainage inspection well is of a waterproof circular prefabricated concrete assembly type structure. The underground water level can be effectively controlled, soil salinization is reduced, a good growth environment is created for plants, the survival rate of the plants is increased, and meanwhile the maintenance cost can be reduced.
Owner:鲁昭君

A soil salinization discrimination method based on geochemical parameter combination optimization

The application discloses a soil salinization discrimination method based on combination optimization of geochemical parameters, and belongs to the field of soil salinization monitoring. The method comprises the following steps: collecting soil samples in a research area and measuring the content of multi-dimensional geochemical elements; removing outliers and performing standardization processing on the geochemical data; dividing the samples by using a clustering algorithm; screening characteristic elements which are significantly related to salinization and have low collinearity in each division to form an optimal parameter combination; establishing a partial least squares regression model based on the combination, constructing a salinization response function and calculating a discrimination index value; training and optimizing the index by using a machine learning model to obtain a discrimination model; and finally, realizing rapid discrimination of the degree of soil salinization by using the model. The application considers regional spatial heterogeneity and multi-element coupling characteristics, has the advantages of high discrimination accuracy and good stability, and is suitable for regional scale salinization investigation, grading evaluation and early warning.
Owner:山东省地质调查院(山东省自然资源厅矿产勘查技术指导中心)

Method for magnetically controlling phreatic water level during coal mining

The present application relates to the technical field of coal mining and discloses a method for magnetically controlling phreatic water level during coal mining. The method comprises: acquiring pre-mining information data; on the basis of a vegetation type and a soil sample from a phreatic layer, determining a vegetation growth range, the vegetation growth range comprising a water table depth range and a soil moisture content range; on the basis of the vegetation growth range and the pre-mining information data, determining the on or off state of a magnetizing device during mining; if the pre-mining water level of the phreatic aquifer is above the upper limit of a water table depth range, controlling the magnetizing device to be turned off and regulating corresponding information data; and if the post-mining water level of the phreatic aquifer is above the regulated water level of the phreatic aquifer, controlling the magnetizing device to be turned on, and regulating the magnetization intensity, so that post-mining information data is within the vegetation growth range. The present application effectively reduces the evaporation of groundwater and the occurrence of regional salinization, and can effectively protect the ecological environment and implement coal mining.
Owner:LIUPANSHUI NORMAL UNIV

Salinization type quantitative inversion method based on feature weighting and residual correction

The invention provides a salinization type quantitative inversion method based on feature weighting and residual error correction, and relates to the field of remote sensing technology and machine learning, and the method comprises the steps: collecting actual measurement concentration data of soil salt ions in a target region, and obtaining a remote sensing image of a corresponding region; extracting feature information data from the remote sensing image; constructing a salinization type quantitative inversion data set through the feature information data and the measured data; evaluating the correlation between each feature and the soil salinity by using a feature selection method to obtain a feature importance weight vector; the first stage is used for preliminary prediction of the soil ion concentration, the second stage is used for introducing a residual learning mechanism, the first stage residual error is fitted to improve the prediction precision, and ion concentration data of the target area are predicted and generated; and according to an inversion result, obtaining a two-dimensional space-time distribution diagram of soil salinization type quantitative classification. The technical scheme of the invention is suitable for high-precision identification and classification management of regional scale soil salinization types.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Soil salt-alkali-resistant and salinization-resistant cultivation method for orange trees

PendingCN121488764ACultivating equipmentsOrange TreeCrop cultivation
The invention belongs to the field of crop cultivation, and particularly relates to an orange tree cultivation method capable of resisting soil salt, alkali and salinization. According to the method, a conical earth pier with the diameter of 100 cm and the height of 60-80 cm is built with garden soil before planting, and then citrus seedlings such as Hongmeiren are planted on the earth pier. According to pier building cultivation, salt in the mounds can be easily sprayed out of orange orchard ditches through rainwater or manual spraying, so that the phenomenon of soil pier salinization can be prevented and treated, and normal growth of orange trees is ensured.
Owner:ZHEJIANG UNIV

Evaluation method for effect of soil salinization on farmland productivity under multi-dimensional dynamic model

The application discloses a kind of multi-dimensional dynamic model under the evaluation method of soil salinization to cultivated land productivity, it is related to the field technical field of agricultural resources and environment, and the multi-source data set of fusing remote sensing, ground monitoring, meteorological and farmer management data is first constructed in the scheme, and the minimum data set of soil physical, chemical, biological properties is screened after fusion preprocessing;Soil quality index (SQI) and cultivated land productivity index (CPI) are calculated again;Subsequently, the multi-dimensional dynamic evaluation model containing key salinization index screening, effect quantification, mechanism model and crop sub-model is constructed;Finally, the productivity influence dynamic update is realized in combination with real-time data of Internet of Things, and the optimal improvement technology mode is simulated and screened by structural equation model simulation management scene. The method is comprehensive in data coverage, accurate in evaluation, dynamic in model and targeted, can reveal the influence mechanism of salinization on cultivated land productivity, provide practical decision support, and help efficient and sustainable use of saline-alkali soil.
Owner:INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI

Saline-alkali soil irrigation method, device, intelligent control system and saline-alkali soil treatment system

The application relates to a saline-alkali soil irrigation method, device, intelligent control system and saline-alkali soil treatment system, and is applied to the field of agricultural planting irrigation in a salinization area. The method comprises the following steps: periodically acquiring soil information of a target irrigation area and a current month, wherein the soil information comprises soil water content and soil conductivity; according to the current month, accurate irrigation quantity and soil information threshold values which are in line with the characteristics of the current month are determined from preset irrigation information, wherein the soil information threshold values comprise a soil water content threshold value and a soil conductivity threshold value; when it is determined that irrigation needs to be performed according to the soil information and the soil information threshold values, the irrigation system is controlled to automatically realize water source irrigation according to the irrigation quantity, irrigation efficiency is improved, and the saline-alkali soil treatment effect is improved.
Owner:SHIJIAZHUANG INST OF AGRI MODERNIZATION CHINESE ACAD OF SCI

Limonium bicolorum gene lbmyb75 and application thereof

PendingCN122278869AImprove salt toleranceLimoniumGenes mutation
This invention relates to the field of plant genetic engineering, specifically to the LbMYB75 gene of *Limonium bicolor* and its applications. This invention discloses that the transcription factor LbMYB75 is specifically highly expressed in the early stages of salt gland development and is significantly induced by salt. This invention confirms that the LbMYB75 gene positively regulates salt gland development and salt secretion in *Limonium bicolor*. Salt gland density is significantly increased in *Limonium bicolor* lines overexpressing the LbMYB75 gene, while salt gland density is significantly decreased in LbMYB75 mutant lines. The transcription factor LbMYB75 positively regulates the salt tolerance of *Limonium bicolor*; compared with the wild type, the overexpressing lines under high salt conditions show higher levels of malondialdehyde (MDA) and sodium. + and Na + / K + K decreased significantly. + Increased proline; This invention elucidates the regulatory role of the LbMYB75 transcription factor in salt gland development of *Limonium bicolor*, providing genetic resources and theoretical basis for improving the salt tolerance of non-halophytes through transgenic means, and contributing to the development and utilization of saline-alkali soils.
Owner:SHANDONG NORMAL UNIV

Microbial mineralization remediation method, system and application for coastal salinization disturbed soil

The present application provides a microbial mineralization rehabilitation method and system for coastal salinization disturbed soil and application, relates to the soil improvement technical field, carries out regional disturbance comparative analysis to the coastal salinization region, obtains characteristic disturbance extraction data, carries out weight and influence analysis to the characteristic disturbance extraction data, obtains characteristic disturbance proportion analysis data, and then obtains disturbance collection analysis data;According to the structure improvement operation and the structure improvement of the characteristic disturbance proportion analysis data to the coastal salinization disturbed soil and the improvement comparative analysis of the improvement, improvement comparative analysis data are obtained, and the improvement factor adjustment data are obtained according to the improvement comparative analysis data, the disturbance improvement adjustment data are obtained according to the improvement factor adjustment, and the accuracy and intelligence of soil improvement are greatly enhanced through the present application.
Owner:QINHUANGDAO POWER SUPPLY COMPANY OF STATE GRID JIBEI ELECTRIC POWER COMPANY

Soil conditioner, method for preparing the same, and use thereof

The application relates to the field of improving severely salinized soil, and discloses a soil improver and a preparation method and application thereof. The method comprises the following steps: mixing agricultural and forestry wastes and bacillus spores, and sequentially carrying out anaerobic composting and aerobic composting, wherein the agricultural and forestry wastes are a mixture of at least one of corncob, mushroom residue, peanut shell and crop straw and sweet sorghum residue. The composition provided by the application not only has the functions of water and fertilizer conservation, soil fertility improvement, soil structure improvement and biological diversity improvement, but also can promote plant growth, reduce the total salt content, pH value, alkalinity, conductivity and sodium ion exchange capacity of the soil.
Owner:SINOCHEM INNOVATION (BEIJING) SCI & TECH RES INST CO LTD

Bacillus tequilensis qingtuhush40 and application thereof

The application discloses Bacillus tequilensis QingTuHuS40 and application thereof, wherein the Bacillus tequilensis QingTuHuS40 is preserved in the China General Microbiological Culture Collection Center (CGMCC) on January 8, 2025, and the preservation number is CGMCC No. 33325. The Bacillus tequilensis QingTuHuS40 can be planted in rhizosphere of red sand, recruit some other beneficial bacteria, and reshape the bacterial community structure in the rhizosphere of the red sand. Meanwhile, the soil fertility is improved, the degree of soil salinization is improved, the ability of plants to fully utilize environmental nutrients is enhanced, the growth of plants is promoted, and the salt tolerance is enhanced.
Owner:GANSU AGRI UNIV

Intelligent aeration drip irrigation system for salinized soil and control method thereof

The invention discloses an intelligent aeration drip irrigation system for salinized soil and a control method thereof.The intelligent aeration drip irrigation system comprises a soil environment monitoring subsystem used for monitoring the water-salt state and the oxygen content of the salinized soil in real time, and monitoring data is transmitted to a data processing and information transmission subsystem through a data collector in a wireless transmission mode; the data processing and information transmission subsystem is used for receiving, processing, analyzing and storing the soil environment data from the soil environment monitoring subsystem, determining the optimal irrigation flow and aeration duration, and sending a regulation and control instruction to the water-fertilizer-gas integrated aeration drip irrigation subsystem; the water-fertilizer-gas integrated aeration drip irrigation subsystem is used for accurately conveying the water-fertilizer-gas three-phase flow to roots of crops; by combining the sensor technology and the machine learning algorithm, the water-salt dynamic state of the salinized soil can be effectively monitored and fed back, the irrigation strategy can be adjusted in time, the water resource utilization efficiency is improved, a new thought is provided for comprehensive transformation and utilization of the salinized soil, and then sustainable development of agriculture is promoted.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI