341 results about "Soil quality" patented technology

The invention relates to the technical field of data analysis, and provides a multi-index fused soil quality data analysis method and system, and the method comprises the steps: carrying out the preprocessing, time-space registration and feature extraction through a data obtaining module, forming a heterogeneous feature set, eliminating the time-space splitting problem of multi-source data from the source, and avoiding the analysis deviation caused by data inconsistency; the association fusion module takes a fuzzy Petri network association map and a particle swarm optimization algorithm as a core, constructs a nonlinear index fusion system, ensures that a comprehensive quality index can truly reflect the actual soil quality under the combined action of multiple indexes, and effectively solves the problem that an evaluation result is disjointed from the actual soil state; the portrait optimization module constructs a soil quality portrait to realize deep combination of soil quality analysis and farming guidance, compares farming suggestions with actual operation data, generates an optimization signal to trigger parameter adjustment of a fuzzy Petri network inference rule and a particle swarm optimization algorithm, and ensures the accuracy of analysis and guidance in long-term use.

The invention discloses a soil water and salt dynamic monitoring and quality evaluation method based on multispectral remote sensing, and relates to the field of geological monitoring, and the method comprises the steps: carrying out the scattering deviation correction and roughness correction of an observation spectrum through a satellite remote sensing image, an unmanned aerial vehicle multispectral image, a ground sample and meteorological driving data; the soil intrinsic reflectivity, the vegetation coverage component and the salt crusting component are obtained; a water-salt inversion model is established by combining thermal infrared and red edge wave band information, and multi-temporal soil volumetric moisture content and surface salinity index are inverted; by introducing meteorological conditions and vegetation dynamic characteristics, a water-salt coupling partial differential equation and a graph space-time constraint model are constructed, and continuous space-time distribution of soil water content and salinity is obtained; extracting salinity, moisture, vegetation response and soil health indexes, establishing a soil quality comprehensive evaluation model, and outputting high-risk plaques and a treatment priority sequence. The method realizes dynamic monitoring and quality grading evaluation of soil water and salt, and is suitable for saline-alkali soil treatment and ecological restoration.

The invention provides a planting and breeding circulation system-oriented soil health assessment method, and relates to the technical field of soil health, and the method comprises the steps: collecting breeding data and planting data in a target planting and breeding circulation region, dividing a planting and breeding circulation mode, and analyzing the influence degree on soil to obtain circulation soil data. Waste supply energy is determined according to the breeding data, and the soil resource utilization efficiency is obtained by analyzing management measures of the planting data. The influence of waste supply energy on soil is analyzed to obtain waste influence data, and a soil health assessment system is constructed in combination with soil resource utilization efficiency, soil physical indexes and ecological function indexes. And calculating a soil health index based on the soil health assessment system and the circulating soil data, and classifying health grades of the soil. According to the method, the accuracy, scientificity and practicability of soil health assessment are improved, and powerful support is provided for optimal management of a planting and breeding circulation system, precise regulation and control of soil quality and agricultural sustainable development.

The invention belongs to the technical field of soil detection, and discloses a garden soil quality detection system and method based on environmental monitoring, and the method comprises the steps: a fixed-point data collection module carries out fixed-point monitoring; the route planning module plans an optimal flight route and a stop point of the unmanned aerial vehicle; the inspection module is used for performing all-around soil quality inspection on the garden; the image analysis module, the spectral data analysis module and the radar data analysis module identify conditions and abnormal conditions which need to be subjected to soil sampling analysis; the comprehensive evaluation module comprehensively evaluates the soil; the risk prediction module fuses multi-source data and predicts the potential risk of the garden in combination with historical data. According to the invention, through a mode of combining fixed-point detection and routing inspection detection, all-around soil quality detection is carried out on the garden; the sampling flexibility and reliability are guaranteed through the design of the sampling assembly, and the comprehensive evaluation module fuses multi-source data and comprehensively and objectively evaluates the soil quality; the risk prediction module predicts potential risks in combination with historical data.

The invention discloses an intelligent monitoring and evaluation method and system for newly-cultivated land, and relates to the field of intelligent agriculture. The method comprises the steps of planning an unmanned aerial vehicle route and a ground sampling grid based on newly-cultivated land boundaries and topographic data; multispectral and thermal infrared images are obtained through remote sensing of the unmanned aerial vehicle, and spectral data and soil samples are synchronously collected on the ground; performing laboratory analysis on the soil samples to obtain soil physical and chemical indexes, and associating the soil physical and chemical indexes with remote sensing spectral characteristics to construct a training sample set; based on the training sample set, remote sensing features are fused, and a soil physicochemical index spatial distribution diagram is obtained through machine learning model inversion; carrying out quality grade classification and obstacle type diagnosis by combining the soil physical and chemical indexes, the crop growth time sequence and the planting historical information; and based on classification and diagnosis results, combining an agricultural knowledge rule base to form agricultural management suggestions and generate a variable operation prescription map to guide accurate operation. Through air-ground cooperative monitoring and soil quality evaluation, the farmland quality monitoring precision is improved.

The invention discloses a seed coating containing an arbuscular mycorrhizal inoculant. The seed coating is prepared from the following components in parts by weight: 25 to 35 parts of the arbuscular mycorrhizal inoculant, 35 to 45 parts of a soil conditioner, 15 to 20 parts of talcum powder and 15 to 20 parts of polyvinyl acetate. The invention further provides a preparation method of the seed coating containing the arbuscular mycorrhizal inoculant and application of the seed coating to reduction of soil heavy metal pollution, increase of disease resistance and stress resistance of crops and promotion of crop growth. The seed coating containing the arbuscular mycorrhizal inoculant wraps the surfaces of plant seeds, provides good nutritional ingredients for growth and development of the seeds, and is beneficial to improving the germination rate of the seeds under heavy metal cadmium stress, reducing soil heavy metal cadmium pollution, improving soil quality, increasing soil fertility and improving disease resistance and stress resistance of crops; growth of seedlings is promoted, and crop quality and yield are improved.

The invention discloses a greenhouse tomato water-saving and quality-improving planting method with cooperation of shallow-buried drip irrigation and biochar, and the method comprises the following steps: detecting greenhouse tomato planting soil, and conditioning the soil texture according to a detection result; laying a drip irrigation system on the conditioned soil, and laying a soil monitoring network; based on the established dropper system and the soil detection network, tomato seedlings are planted, and initial moisture management is carried out on the tomato seedlings after planting; after the tomatoes survive after field planting, performing staged irrigation and water and fertilizer integrated management according to the requirements of the tomatoes in different growth stages; performing charcoal rhizosphere activation and function regulation on the tomatoes in the growth period; real-time data of a greenhouse environment and a soil monitoring network are integrated, an intelligent irrigation decision model is established and operated, and a dynamic optimization irrigation scheme is implemented; and carrying out oxidation and ecological improvement on the soil after tomato harvesting. The tomato planting quality can be improved, and the soil health condition can be improved.

The invention relates to the technical field of ridge construction, and discloses an ecological ridge construction method for slowing down lateral seepage and intercepting non-point source pollution, which comprises the following steps of: extracting soil texture, elevation and area information of a target area, and scientifically delimiting a ridge and a farmland boundary by combining a spatial analysis and function partitioning algorithm; dynamically determining the height of the buffer zone according to the height difference relation and the flood and drought stress characteristics of plants; hydraulics characteristics are obtained through hydrological simulation, the width of the buffer zone and the filler amount are calculated based on the length-width ratio and hydrodynamic force coupling mechanism, optimal design of water flow regulation and control and pollution interception is achieved, and the stability and purification efficiency of the ridge system in different environments are ensured. According to the invention, the ecological ridge system with strong adaptability is constructed through cooperative analysis of multi-source terrain environment and ecological parameters.

The invention discloses a vegetable waste straw smashing and returning-to-field device, and belongs to the technical field of straw smashing and returning-to-field, the vegetable waste straw smashing and returning-to-field device comprises a fixing frame, a smashing box is fixedly arranged at the top of the fixing frame, a first rotating shaft and a second rotating shaft are rotatably arranged in the smashing box, and the outer side of the first rotating shaft is fixedly sleeved with a first smashing roller; the outer side of the first rotating shaft is fixedly sleeved with a first smashing roller, the outer side of the second rotating shaft is fixedly sleeved with a second smashing roller, the outer side of the first smashing roller and the outer side of the second smashing roller are meshed and rotate relatively for smashing, and a driving mechanism is arranged on one side of the bottom of the fixing frame. And a plurality of defects of a traditional treatment mode are effectively overcome. By means of close cooperation of all the components, efficient, environment-friendly and intelligent treatment of vegetable waste and straw is achieved, soil quality can be improved, environment pollution can be reduced, and great significance is achieved for promoting agricultural sustainable development.

The invention discloses a comprehensive evaluation method for soil pollution in a decommissioned uranium mine area, relates to the technical field of environmental evaluation, and solves the technical problem that a soil pollution evaluation method is not clear due to lack of soil pollution data in an existing decommissioned uranium mine area. According to the technical scheme, the method is characterized in that the influence of radionuclides, environmental ecology, environment and biological effects in the decommissioned uranium mine area soil on the soil quality is comprehensively considered, key influence factors influencing the uranium mine area soil quality can be screened out, and the problems that existing data is lack, and a research method is not clear are solved; and a basis is provided for subsequent sustainable utilization of soil and environmental health.

The invention discloses a method for enhancing the biological nitrogen fixation capacity of soil based on micro-plastics, which comprises the following steps: adding poly (adipic acid-butylene terephthalate) micro-plastics into target soil, and the addition amount is 0.2-2% of the mass of the soil. The activity of dehydrogenase and urease of rhizosphere microorganisms is activated through the degradation process of the poly (butylene adipate-co-terephthalate) micro-plastic in soil, and microorganism groups with a nitrogen fixation function are specifically enriched, so that the expression of nitrogen fixation genes is up-regulated, the biological nitrogen fixation capacity of the soil is enhanced, and the nitrogen condition of the soil is improved.

The invention discloses pseudoumen and an application of the pseudoumen in polluted environment treatment. According to the invention, a strain of pseudoumen pseudomonas 25S0261-4 is separated from soil and is gram negative bacillus, the optimal growth temperature of the strain 25S0261-4 is 20-40 DEG C, and the optimal pH range is 5-9. Researches show that the strain 25S0261-4 has a good phosphorus-solubilizing characteristic, and can be used as a phosphorus-solubilizing bacterium for increasing the phosphorus content in soil and improving the soil fertility. The 25S0261-4 strain has an efficient degradation effect on PBAT, the degradation effect of PBAT can be further improved when the 25S0261-4 strain is combined with earthworms for treatment, and it is shown that the earthworms can cooperate with the 25S0261-4 strain to degrade PBAT, be used for treating plastic polluted environments and degrading plastic pollutants in soil and have important significance on improving soil quality and degrading the plastic pollutants.

The invention discloses an intelligent feedback control construction quality monitoring method and system, and the method comprises the steps: collecting soil parameters, and obtaining a soil parameter set; presetting a slurry soil property contrast database, and obtaining slurry proportioning data according to the soil property parameter set; the soil property parameter set and the grout proportion data are analyzed, and a rotating speed parameter set and a grouting pressure parameter set are generated; obtaining slurry monitoring data, comparing the slurry monitoring data with the slurry proportioning data, and obtaining a passing instruction; presetting pile-forming verification indexes, collecting pile-forming acceptance data, comparing the pile-forming acceptance data with the pile-forming verification indexes to obtain pile-forming correction parameters, and correcting the slurry soil texture contrast database according to the pile-forming correction parameters; the system is used for setting the slurry soil contrast database according to different soil layer conditions to obtain slurry ratio data, so that the pile forming quality is monitored through intelligent feedback.

The invention relates to the technical field of data processing, and provides a comprehensive intelligent evaluation method and system for a soil conditioning effect, and the method comprises the steps: obtaining the soil cadmium content, the crop cadmium content and the soil acidity and alkalinity of a plurality of soil samples of a plurality of soil types after multiple times of conditioning, and the conditioner cost of each time of conditioning; dividing the soil sample to obtain a plurality of pollution categories; according to the soil cadmium content change and change difference of the same soil sample after adjacent conditioning, the soil passivation degree of each soil sample under the soil cadmium content after each conditioning is obtained; the conditioning response degree of each soil sample under the soil cadmium content is obtained; the remediation contribution degree of each pollution category under the soil cadmium content is obtained; and obtaining the grey correlation degree of each evaluation index and other evaluation indexes in each pollution category, so as to construct a conditioning evaluation model. The invention aims to solve the problem of inaccurate evaluation caused by the fact that the influence of soil quality and pollution degree is not considered in the evaluation process of the soil conditioning effect.

The invention provides a soil conditioner and a preparation method and application thereof, ardealite and rice straw are mechanically crushed, and the crushed ardealite and rice straw are respectively pretreated with a tannic acid solution and a potassium hydroxide solution. The pretreated ardealite and rice straw are dried and placed in inert gas and water vapor to be mixed and calcined, a solid product, humic acid, bentonite, sodium lignin sulfonate and polyacrylamide are mixed and smashed, and the conditioner for soil improvement is obtained after granulation. The soil conditioner is prepared by synergistically calcining the ardealite and the rice straws, the problems that the pH is low, harmful elements are easy to overflow and the like when the ardealite is independently used as a soil conditioner are solved, a new way is provided for comprehensive utilization of the ardealite, and the prepared soil conditioner has the function of slowly releasing nutrient elements of potassium, sulfur and calcium and has a good application prospect. The soil conditioner has the effects of regulating soil bulk density, loosening soil, retaining water and improving soil fertility durability in the aspect of improving soil quality.

The invention discloses a tobacco leaf quality improving method and system based on planting soil management. The method comprises the following steps: firstly, acquiring historical soil quality and root growth data of a tobacco plant, and analyzing root growth preferences under different soil conditions by using a clustering algorithm to form soil quality-preference data; combining the soil quality data of the target planting area to construct a root growth probability distribution map, and predicting root distribution according to the planting target; determining the arrangement position of a soil monitoring sensor according to a prediction result, and establishing a monitoring network to realize real-time acquisition of soil substance change; and finally, adjusting and managing nutrient substances in the tobacco planting process according to the monitoring data. According to the method, the adaptability of root systems and soil is improved, nutrient supply is optimized, balanced growth and stable quality of the tobacco leaves are promoted, and therefore tobacco leaf quality improvement and planting benefit optimization are achieved.

The invention discloses a soil quality intelligent detection system fusing environmental monitoring data, and belongs to the technical field of soil quality detection. The system comprises the following modules: a multi-source environment sensing module used for realizing accurate sensing and data fusion of multi-dimensional environment parameters; the intelligent soil detection module is used for realizing rapid quantitative analysis and intelligent quality evaluation of soil physicochemical biological indexes; the intelligent factor processing module is used for realizing environmental factor screening, weight optimization and baseline pattern recognition; the multi-temporal-scale coupling analysis module is used for quantifying the dynamic interaction influence between the multi-temporal-scale environmental factors and the soil quality indexes; the prediction decision module is used for generating a soil quality change trend prediction result and outputting a targeted intelligent decision suggestion; and the intelligent management and control execution module is used for realizing intelligent soil quality management and man-machine cooperative control.

The invention provides an application of a nitrification inhibitor and biochar as a soil conditioner in enhancing drought resistance of plants, a preparation method of the biochar is as follows: moso bamboo stalks are taken as raw materials, pyrolysis is performed for 4-8 hours under an anoxic state of 250-400 DEG C, soil is red soil, and the plant is polygonatum cyrtonema, and an application method comprises the following steps: adding a nitrogen fertilizer into the soil, the addition amount of the nitrification inhibitor is 1% of the content of nitrogen added to the soil, and the addition amount of the biochar is 3% of the mass of the soil. Through combined application of the biochar and the dicyandiamide, the drought resistance of the polygonatum cyrtonema and the benefits of soil microbial communities are remarkably improved.

The utility model is suitable for the technical field of agricultural mechanical equipment, and provides soil loosening equipment applied to traditional Chinese medicine planting. The mounting frame is arranged on the frame, a rotating motor is fixedly mounted on one side of the mounting frame, a rotating rod is rotatably mounted on the mounting frame, one end of the rotating rod is fixed with an output shaft of the rotating motor, and a plurality of soil turning knives are arranged on the rotating rod; the storage box is used for storing chemical fertilizers and is fixedly mounted on the frame, a discharging pipe is arranged at the bottom of the storage box, and a proportional valve is arranged on the discharging pipe; and the fertilizer screening box is arranged on the frame, and the fertilizer screening box is positioned behind the soil turning knife. According to the soil loosening equipment applied to traditional Chinese medicine planting, automation and high efficiency of soil treatment and fertilization operation are achieved, precise application of chemical fertilizer is ensured, and the soil quality and the crop growth environment are improved.

The utility model relates to the technical field of water conservancy projects, in particular to a water conservancy project slope protection structure with an anti-scouring effect, which comprises a footstone layer and a slope protection main body, the slope protection main body is fixedly arranged on the left side of the footstone layer, and a plurality of ecological slope protection units are fixedly arranged on the slope surface of the slope protection main body. The multiple ecological slope protection units are arranged in rows, a water guide frame is fixedly arranged between every two rows of ecological slope protection units, the water guide frames are fixedly arranged on the slope protection main body, each ecological slope protection unit comprises a concrete mounting frame, vegetation bags are assembled in the concrete mounting frames, the vegetation bags are filled with soil, and the water guide frames are fixedly arranged on the slope protection main body. Grass seeds used for improving the soil quality are wrapped in the soil, and a protective net is fixedly arranged on the outer wall of the side, close to the dam, of the concrete mounting frame through bolts. According to the slope protection structure, multiple anti-scouring slope protection modes are combined together, the physical protection effect of the slope protection structure is improved, the soil structure is improved, and ecological restoration is achieved.

The invention provides a protective farming method suitable for black soil in a wind and water erosion staggered area and application of the protective farming method, and relates to the technical field of agricultural soil improvement. The method comprises the following steps that before crops are planted, black soil in the wind and water erosion interlaced area is subjected to deep scarification, the ground surface is completely covered with straw, and the use amount of the straw is 100% of the straw biomass of previous crops. Through optimal combination of an integrated cultivation mode and straw coverage, a soil physical structure, organic carbon components and microbial activity are comprehensively regulated and controlled, a soil quality evaluation system containing physical, chemical and microbial indexes is constructed, and synchronous improvement of black soil quality and corn yield in a wind and water erosion staggered region is realized; and a technical support is provided for protection and sustainable agriculture of black soil in the wind and water erosion interlaced area.

The utility model discloses a soil environment detection device, which belongs to the technical field of soil detection, and comprises an acidity detector, a vertical rod is inserted at the right upper end of the acidity detector, a positioning piece is sleeved at the outer end of the vertical rod, an electrode tip is hung on one side of the positioning piece, and the electrode tip is connected with the acidity detector. The electrode tip is electrically connected with the acidity detector, a bottom plate is fixedly connected to the right side end of the acidity detector, a rotary table part is mounted at the upper end of the bottom plate, a plurality of sample bottles are arranged at the upper end of the rotary table part, and a cleaning part is mounted at the right upper end of the bottom plate. The device is simple in structure and convenient to use, can reduce boring and tiredness caused by repeated operation of personnel, improves the working efficiency, enhances the performance of the whole team, and guarantees the tidiness in the detection process.

The invention discloses a closely-attached operation station construction simulation model device, and relates to the field of construction simulation, the closely-attached operation station construction simulation model device comprises a profile steel frame, a construction simulation box and a data acquisition module, the inner wall of the profile steel frame is fixedly connected with a lifting mechanism, one side of the lifting mechanism is fixedly connected with the lower side of the construction simulation box, and the other side of the lifting mechanism is fixedly connected with the data acquisition module; and a construction simulation bin is arranged in the construction simulation box. The geological environment is simulated in the construction simulation cabin according to the proportion, the simulation construction test is carried out on the simulation model in the construction simulation cabin according to the construction steps and the construction plan, the process and the result of the simulation construction test can be clearly observed, and after the analysis of the data acquisition module is finished, the data acquisition module can acquire the data. The soil in the transfer bin is backfilled into the construction simulation bin under the movement of the transverse moving mechanism, the movable construction mechanism and the telescopic excavation assembly, and the next test is carried out again, so that repeated tests are facilitated, the test precision can be improved, and reference data are provided for real construction.

The application relates to the field of pot planting, and particularly discloses a biochar-based heat-retaining, fertilizer-retaining and water-retaining pot planting device and a pot planting method, the pot planting device comprising a pot body formed by a plurality of pot body units, and a cavity for storing biochar-based suspension fertilizer arranged in the pot body units; each pot body unit is connected with a water and fertilizer conveying pipe, the top of the water and fertilizer conveying pipe is connected with a drainage pipe, the middle of the drainage pipe is connected with biochar-based bacterial fertilizer particles for slow-release bacterial fertilizer, and the bottom end of the drainage pipe is connected with a biochar cake for retaining fertilizer and water. The application takes heat-retaining, fertilizer-retaining and water-retaining as the target, uses corresponding biochar materials, and cooperates with the pot planting device, so that the technical effects of heat-retaining outside the pot, fertilizer-releasing in the middle and water-storing in the lower part are achieved, favorable water and fertilizer supplement and a growth environment are provided for plant growth, the problems of low temperature, poor soil quality and low fertilizer utilization efficiency in the existing pot planting process are improved, and the application has a wide popularization and application prospect.

The invention discloses a side slope ecological regreening method for improving granite weathering based on microorganisms, and belongs to the technical field of side slope ecological restoration, and the side slope ecological regreening method comprises the following steps: S1, screening weathered strains; s2, intelligent irrigation; s3, slope green plants are planted; v-shaped grooves are engraved in the surface of the slope and filled with microorganism-granite weathering matrixes, and dominant strains are inoculated; planting amorpha fruticosa and herbaceous plants, and starting an intelligent irrigation system according to the dynamic model; monitoring rock mineral composition change, vegetation coverage rate and soil organic matter content; planting amorpha fruticosa and herbaceous plants, and starting the intelligent irrigation system according to the dynamic model. The method solves the problems that traditional slope rock weathering mainly depends on natural weathering, the speed is extremely low, plants growing on rocks easily break away from the surfaces of the rocks or die after absorbing nutrients completely, a basic soil environment is difficult to provide for vegetation growth in a short time, soil nutrients are deficient, the effectiveness is low, vegetation growth is limited, and the soil quality is poor. The ecological stability is influenced.

The application relates to the technical field of paddy field soil improvement, and discloses a paddy field soil detection and adjustment system and method based on multi-source sensing data analysis, which comprises a region division module, a data acquisition module, a soil health assessment module, a rice health assessment module, a comprehensive health index calculation module, a soil quality grade division module and an implementation and simulation prediction module. The application comprehensively evaluates the soil and crop health states of different regions of a paddy field, formulates corresponding soil adjustment strategies, effectively predicts the evolution trend of soil health under different climate scenarios in the future by combining a fuzzy logic relationship group and an artificial wolf swarm optimization algorithm, and outputs a clear soil health change curve, thereby providing technical support for agricultural managers.

The invention relates to the technical field of saline-alkali soil improvement, in particular to a saline-alkali soil sand-peat layered improvement structure and an improvement regulation and control method.The saline-alkali soil sand-peat layered improvement structure sequentially comprises a dry branch and fallen leaf covering layer, a sand-peat mixed layer, a peat layer and a mineral gleying layer from top to bottom, and an irrigation pipeline layer is arranged in the sand-peat mixed layer and / or the peat layer; the mixing mass ratio of the sandy soil to the peat soil in the sand-peat mixing layer is (3-5): 1, the particle size of the sandy soil is 0.1-0.5 mm, and the content of organic matters in the peat soil is 30-50%. According to the sand covering-peat layered improved structure for the saline-alkali soil and the improved regulation and control method, through the design of the sand covering-peat layered structure, the dry branch and fallen leaf covering layer, the sand-peat mixed layer, the peat layer and the mineral gleying layer are arranged, water and salt migration and organic matter distribution are optimized, the local microbial activity of soil is induced to be improved, and the soil quality is improved. The improvement effect is dynamically evaluated by combining an enzyme activity threshold value in a CASH system.

The application relates to the technical field of soil quality analysis sampling, and discloses a sampling device and method for regional soil quality analysis, wherein the device comprises a support frame, a sampling cylinder is mounted on the inner side of the support frame, a roller is mounted at the bottom end of the support frame, the roller is used for transferring the position of the sampling cylinder, a sampling assembly is arranged on the surface of the support frame, the sampling assembly comprises a sliding groove, the sampling cylinder is embedded in the sliding groove, and the sampling cylinder and the sliding groove are longitudinally and slidably connected. The sampling device and method for regional soil quality analysis can form a symmetrical and uniform support structure through five groups of pressure rods and inserts in the stabilizing assembly, effectively offset the lateral resistance of soil, avoid shaking of the sampling cylinder caused by force deviation when the sampling cylinder is embedded, prevent the adobe sample from being deformed by extrusion from the source, and guarantee the integrity of the physical structure of the soil; further, the detection error is reduced, and the reliability and repeatability of the regional soil quality analysis result are guaranteed.

The application relates to the field of environment, resource utilization and agricultural biotechnology, and particularly relates to application of a composite solid phosphorus-solubilizing bacterial agent for repairing cadmium-polluted soil and improving soil quality, wherein the composite solid phosphorus-solubilizing bacterial agent comprises phosphorus-solubilizing bacteria, bone charcoal, culture medium and organic matrix; the phosphorus-solubilizing bacteria are Pantoea agglomerans CT-3 and Enterobacter hormaechei HS-6; the composite solid phosphorus-solubilizing bacterial agent is applied to Cd-polluted soil, and the biological availability of Cd in the soil is reduced by Pantoea agglomerans CT-3, Enterobacter hormaechei HS-6 and micron-nanometer multi-stage bone charcoal, and meanwhile, the soil quality is improved. The application can effectively promote the transformation of insoluble phosphate into soluble phosphate, so that the content of effective soil phosphorus is increased by 98.19%; on the other hand, the application can fix soil heavy metal Cd, so that the content of effective Cd in the soil is reduced by about 52.50%, has excellent Cd-fixing capacity, and can relieve the Cd stress of crops, and has good application value in repairing farmland Cd pollution, improving soil quality and environmental protection.

The application relates to the technical field of traditional Chinese medicine planting, and discloses a traditional Chinese medicine planting soil quality monitoring method and system based on big data analysis. The method comprises the following steps: collecting related data of traditional Chinese medicine planting, the related data comprising historical soil data, planting history data and traditional Chinese medicine growth data, pre-processing the related data, taking the pre-processed related data as learning data to train a prediction model; obtaining stage related data of a first growth stage of traditional Chinese medicine, and demarcating a key data range based on first data in the stage related data; generating multiple data input combinations based on the key data range, and generating a soil optimization scheme based on the multiple data input combinations and the prediction model; and judging whether the soil optimization schemes of all growth stages of traditional Chinese medicine have been generated, and if not, generating the soil optimization schemes of all growth stages of traditional Chinese medicine by using the above method. The growth soil optimization scheme improves the quality and yield of traditional Chinese medicine.