1436 results about "Soil structure" patented technology

The invention discloses a precise irrigation decision analysis method and system based on crop water demand, and particularly relates to the technical field of crop irrigation. A monitoring area is divided, soil humidity sensors with different depths are installed, moisture state data of a root zone are monitored in real time, moisture gradient change characteristics and moisture retention time deviation characteristics are extracted and analyzed, a moisture fluctuation abnormal index is calculated, the moisture fluctuation abnormal index is compared with a threshold value, and the moisture fluctuation abnormal index is calculated. The method comprises the following steps: dividing underground water fluctuation into high, middle and low underground water fluctuation abnormal levels, and taking corresponding irrigation adjustment measures according to different levels of fluctuation: taking a drainage measure to reduce excessive soil moisture for high-level abnormal fluctuation; crop water demand model parameters are dynamically adjusted through medium-grade fluctuation; a normal irrigation strategy is maintained by low-grade fluctuation, so that negative effects of underground water fluctuation and excessive irrigation on crop root zones and soil structures can be effectively avoided, soil permeability and water storage capacity are maintained, long-term productivity of farmland is guaranteed, and irrigation efficiency and water resource utilization rate are improved.

The invention discloses a computer vision structure deformation monitoring system combined with laser scanning. The system comprises a laser scanning module, a computer vision module, an image processing module, a data fusion module, a data analysis and processing module, a communication module and a power supply module. The laser scanning module adopts a pulse type laser scanner to scan the surface of the rock-soil structure; the computer vision module adopts a wide-angle lens to obtain a two-dimensional image sequence of the rock-soil structure; the image processing module processes the two-dimensional image sequence to obtain two-dimensional displacement information of the feature points; the data fusion module fuses the point cloud data and the image feature point displacement information; and the data analysis and processing module analyzes the fused model, models historical deformation data, and predicts a future deformation trend. The system has the advantages of high precision, real-time performance, intelligence and strong anti-interference capability, can effectively guarantee the safe and stable operation of the power tunnel, and is of great significance to the construction, operation and maintenance of geotechnical engineering of the power tunnel.

The invention relates to the technical field of agricultural machinery automation, in particular to an intelligent seeding machinery automation control system which comprises a soil variability analysis module, a dynamic seeding mode adjustment module, a soil structure adjustment module, a seeding control and optimization module, an intelligent fault diagnosis module and a visualization module. Soil data are collected in real time through a soil variability analysis module, spatial variability and seeding suitability of soil are analyzed by utilizing a machine learning algorithm, and a dynamic seeding mode adjustment module automatically adjusts the seeding depth, the seeding speed, the seed spacing and the feeding amount according to an analysis result. The soil structure adjusting module can intelligently adjust the structure according to the compaction or loosening condition of soil, the intelligent fault diagnosis module monitors the operation state of the seeder in real time and diagnoses and repairs faults, and the visualization module provides a remote monitoring interface. According to the invention, the seeding process can be accurately controlled according to different soil conditions, the seeding uniformity and the crop germination rate are improved, and the efficiency and precision of agricultural production are remarkably improved.

The invention discloses a soil quality improvement and microbiological analysis integrated system, and relates to the technical field of soil improvement and microbiological analysis, the system comprises a microbial agent adding module, an organic acid adjusting module, a soil improvement effect monitoring module, a data analysis and processing module and a control and feedback module. According to the invention, high integration of soil improvement and microbiological analysis is realized, the efficiency and effect of soil improvement are improved through real-time monitoring and accurate regulation and control, and the microbial community is comprehensively and dynamically analyzed, so that deep understanding of a microbial action mechanism in the soil improvement process is facilitated, and the soil improvement efficiency and effect are improved. By monitoring succession of microbial community structures, expression changes of functional genes and diversity of carbon source utilization functions, the effects of microorganisms on straw degradation, soil structure improvement and the like are accurately grasped, problems are found in time through an early warning function, improvement measures are adjusted in time, and the stability and sustainability of a soil ecosystem can be effectively maintained.

The invention relates to the technical field of saline-alkali soil improvement. The invention provides an extremely severe saline-alkali soil improvement method which comprises the following steps: (1) ploughing soil to be improved, ditching, and spreading a material A into ditches; (2) irrigation is carried out after crops are sown in the ditches, and field management is carried out in the crop growth period; (3) after crops are harvested, crop straw is smashed and subjected to rotary tillage into soil; and (4) repeating the steps (1)-(3), and carrying out continuous soil improvement treatment. According to the technical scheme, the soil structure and the microbial environment are improved through soil preparation and fertilization before sowing, the salt content of soil of a plough layer is reduced through a salt reducing measure, soil osmotic pressure is reduced, and the salt content of the soil is continuously reduced through a crop planting measure. According to the scheme, the soil saline-alkali improvement effect is good, a good soil environment is created for seed budding and seedling emergence stages, and the seed emergence rate is increased.

The invention provides an intelligent early warning method and system for phosphorus tailing improved soil heavy metal migration, relates to the technical field of computers, and accurately predicts the main migration direction of heavy metal pollutants by combining factors such as terrain gradient, hydrological flow direction and soil structure heterogeneity. The method comprises the following steps: acquiring soil information of a to-be-detected area and soil potential information of a detection point in the to-be-detected area; determining heavy metal concentration information of the detection point according to the soil potential information; the heavy metal concentration information is used for reflecting heavy metal concentration distribution conditions corresponding to different soil depths of the detection points; determining migration direction information of the heavy metal at the detection point; the migration direction information is used for reflecting the corresponding heavy metal migration direction distribution condition of the heavy metal of the detection point in the three-dimensional space; and predicting a pollution diffusion area based on the migration direction information, the organic decomposition rate and the underground water level fluctuation information, and performing visual display.

The invention provides a method for increasing the growth rate of a citrus breeding material, and relates to the field of agricultural science. The method for improving the growth rate of the citrus breeding material comprises the following steps: selecting high-quality seedlings, and selecting citrus seedlings with excellent hereditary characteristics as the breeding material; the soil environment is optimized, the soil structure is improved, and the soil organic matter content is increased; nutrition management: formulating a scientific fertilization scheme including the proportion and the application amount of nitrogen, phosphorus, potassium and trace elements; according to the application of the growth regulator, the plant growth regulator is used for promoting cell division and elongation; disease and pest control: combining biological control and chemical control to control the occurrence of diseases and pests, and regularly monitoring the disease and pest conditions; environment regulation and control: temperature, humidity and illumination conditions are controlled, and a suitable growth environment is created. A scientific fertilization scheme is formulated according to the soil nutrient condition and the nutritional requirements of the citrus, and sufficient nutrients are ensured to be obtained in each growth stage, so that the growth rate is remarkably increased.

The invention relates to the technical field of saline-alkali soil improvement, in particular to a saline-alkali soil treatment and improvement method which comprises the following steps: S1, early-stage investigation and planning; s2, physical improvement; s3, chemical improvement; s4, biological improvement; s5, irrigation improvement; s6, later monitoring and maintenance; according to the saline-alkali soil treatment and improvement method, a traditional single improvement mode is broken through, physical, chemical, biological and engineering technologies are fused, a systematic improvement scheme is formed, and physical improvement effectively improves the soil structure and accelerates salt discharge through land leveling, deep ploughing, upturned soil sunning and concealed pipe laying for drainage; a soil conditioner and an acidic material are precisely applied for chemical improvement, and the soil acidity and alkalinity and ion composition are adjusted; in biological improvement, salt is absorbed by virtue of salt-tolerant plants and microbial agents, and soil microbial communities are improved; a fresh water resource or salt water desalination technology is reasonably utilized for irrigation improvement, and salt leaching and water resource recycling are achieved; through the synergistic effect of multiple means, the salt content of soil can be more efficiently reduced, and the soil structure is improved.

The invention discloses a reinforced soil structure design method based on finite difference analysis and considering anisotropy of a rib material, which comprises the following steps: establishing a roadbed reinforced soil corner slope three-dimensional model, simulating a roadbed layer by adopting a Duncan-Zhang nonlinear constitutive equation, simulating a foundation layer by adopting an elastic constitutive equation, and simulating a geogrid by adopting a Cable structure unit. A Geogrid structural unit is adopted to simulate the geotechnical cloth; on the basis of a verified model, different mechanical parameters are given to transverse and longitudinal ribs of the bidirectional geogrid to realize self-mechanical behavior anisotropy, the arrangement angle of a Cable unit and the center line of a reinforced soil structure is changed to realize the mechanical behavior anisotropy of a rib-soil interface, and meanwhile, other single or multiple variables can be adjusted, so that the mechanical behavior anisotropy of the rib-soil interface is realized. And testing the influence rule of the key factors on the mechanical properties of the reinforced soil structure. According to the method, the problem that the stress directions of the reinforced soil structure bars are inconsistent or uncertain under the complex geological condition can be solved, and more practical reinforced soil structure design parameters are effectively provided.

The invention relates to the technical field of soil amendments, and discloses a biochar composite amendment for recarburization and carbon stabilization of soil and a preparation method of the biochar composite amendment. 15%-20% of a microbial agent; 25%-35% of an organic fertilizer; and 5%-10% of a water-retaining agent. Comprising the following preparation steps: preparing biochar, culturing a microbial agent, preparing an organic fertilizer and mixing. The soil carbon library stability is improved; the soil fertility is enhanced; the soil structure is improved; the plant growth is promoted;

The invention discloses a crop straw returning soil fertility evaluation method based on the Internet of Things, particularly relates to the technical field of agricultural soil evaluation, and is used for solving the problem that the risk that the negative effect of a soil physical structure exceeds the positive effect cannot be warned in time in the prior art. A straw returning area is divided into a plurality of sub-areas, straw returning uniformity and straw processing quality are analyzed based on the Internet of Things, and soil risk sub-areas are determined. And then, analyzing the time sequence data by adopting a long-short-term memory network model, predicting the probability that the negative effect exceeds the positive effect, evaluating the spatial effect of the adjacent sub-regions through a geographically weighted regression model, and finally comprehensively evaluating and early warning the out-of-control degree of the straw returning to the soil fertility. The dynamic monitoring and evaluation precision of the soil structure change is improved, and the problems of soil compaction, fertility decline and the like are effectively prevented.

The invention provides an interlaced vertical board agriculture and light complementation method. The interlaced vertical board agriculture and light complementation method comprises a vertical rod and a beam or / and a connecting piece; a plurality of photovoltaic panels are laterally fixed on the vertical rods or / and the beams through connecting pieces, so that a photovoltaic vertical board unit is formed; planting spaces for growth of crops or woods or pasture are formed in the row spacing or the spacing of the photovoltaic vertical board units. Stay cables do not need to be used, construction is easy, cost is low, pile foundations are buried shallowly, damage to soil structures and plant root systems can be avoided as much as possible, construction difficulty and cost can be reduced, and complementary benefits of photovoltaic power generation and agricultural production can be improved.

The invention discloses coal mine water-preserved mining grouting and filling equipment and technology, and relates to the technical field of mining and filling, the coal mine water-preserved mining grouting and filling equipment comprises a coordination assembly, a grouting assembly and a grouting assembly, the coordination assembly comprises a pressure meter and an external connector, and the pressure meter and the external connector are connected through a transmission pipe; the output end of the driving pump is connected with a flow meter, an inlet of the flow meter is connected with the coordination assembly through the transmission pipe, and the outlet end of the flow meter is connected with the grouting assembly through the transmission pipe; the control valve is arranged between the flow meter and the grouting assembly, and the grouting assembly is inserted into the soil layer structure; the grouting assembly comprises a socketed pipe, an adapter, a grouting head, a processing pipe, a rotating ring and a supporting assembly. According to the technical scheme, grouting liquid can be more evenly filled, and the remedy risk is reduced.

The invention provides a farmland yield prediction method and system based on soil parameter inversion, and the method specifically comprises the steps: collecting the soil profile information and earth surface three-dimensional information of a target farmland through a ground penetrating radar and a laser radar, and carrying out the precise inversion of the water content and porosity of soil based on a water-porosity inversion model, therefore, a high-precision three-dimensional soil distribution model is constructed, crop growth monitoring data is combined, a farmland yield prediction model is established, the relationship among soil structure characteristics, crop growth indexes and meteorological factors is quantified, and high-precision farmland yield prediction is realized. According to the method, through accurate modeling of the double-pore structure and optimization of the multiple linear regression prediction model, yield prediction is more accurate and reliable, and the method is particularly suitable for farmland management under different soil types and meteorological conditions.

The invention provides a preparation method of calcium-modified ferrihydrite and application of the calcium-modified ferrihydrite in improvement of a soil structure, and belongs to the technical field of soil structure improvement. The preparation method of the modified ferrihydrite comprises the following steps: gradually adding a sodium hydroxide solution into a ferric trichloride solution, and stirring and mixing until the pH value of a suspension reaches neutral; aging the suspension at room temperature for 12 hours, centrifuging to remove supernate, and washing the synthesized ferrihydrite with pure water for 2-3 times; then adding a calcium chloride solution for salt washing for 2-3 times so as to fully replace sodium ions on the surface of ferrihydrite into calcium ions; and washing with pure water for 2-3 times to obtain the calcium modified ferrihydrite. The calcium modified ferrihydrite provided by the invention eliminates the influence of dispersive sodium ions or potassium ions in ferrihydrite synthesized by a traditional method, is a nanoscale weak crystalline mineral, has the effect of rapidly improving the stability of soil aggregates, can rapidly aggregate soil particles after being applied to soil, effectively enhances the structural stability of the soil, and improves the soil quality. Therefore, good materials and means can be provided for soil structure improvement.

The invention relates to the technical field of agricultural engineering, in particular to a reclamation land soilless culture and green manure intercropping culture system which comprises a reclamation land matrix preparation module, a soilless culture module, a green manure planting module and a microorganism bionic regulation and control module. The reclamation land matrix preparation module is used for preparing a matrix for soilless culture of a reclamation land; the soilless culture module comprises a culture bed, a nutrient solution supply unit and an environment control unit; the green manure planting module is provided with a special area for planting green manure crops, and the improvement of a soil structure and the optimization of nutrient circulation are realized by alternately or simultaneously planting the green manure and the crops; and the microbial bionic regulation and control module monitors and regulates and controls a microbial community structure in the matrix of the reclamation land in real time. According to the invention, not only are the ecological balance and stability of microbial communities improved, but also the nutrient absorption and disease resistance of crops are enhanced, and the growth conditions and yield of the crops are optimized.

The invention relates to a geotechnical engineering geological investigation system and an investigation method thereof, which are used for solving the problems of drilling redundancy, repeated model correction and long period caused by traditional uniform hole distribution. The system comprises a geophysical exploration module, a rock-soil body structure feature extraction module, a geological abnormal area identification module, a survey detection point dynamic optimization module, a drilling sampling analysis module and a geotechnical engineering stability evaluation module. Earth material exploration is carried out on representative points to obtain a comprehensive geophysical prospecting data set, inversion is carried out according to the comprehensive geophysical prospecting data set to obtain a three-dimensional rock-soil structure, an abnormal area is recognized, accordingly, the drilling layout is dynamically optimized, and stability evaluation is completed at a time after a small amount of directional drilling sampling is carried out. By adopting the system, a high-precision geologic model and a stable evaluation result can be obtained with fewer drilled holes in a preliminary exploration stage, the cost is remarkably reduced, and the period is shortened.

The invention relates to the technical field of soil function improvement, in particular to a rice field soil recarburization and capacity expansion method based on a charcoal-based organic fertilizer. The method comprises the following steps: crushing a biomass raw material, pyrolyzing and cooling to obtain biochar; immersing the biochar in a functional bacteria solution containing actinomycetes and bacillus for activating treatment to obtain modified biochar; mixing the modified biochar and decomposed straw, composting and fermenting to obtain organic fertilizers with different particle sizes; the large-particle-size organic fertilizer is applied to deep soil, the soil is covered with soil after straw is laid on the soil, and the small-particle-size organic fertilizer is applied to surface soil. Through layered application, the large-particle-size biochar repairs the deep soil structure and expands the carbon storage capacity, and meanwhile, the carbon stability is improved through carbon-nitrogen synergistic metabolism driven by functional bacteria, so that the carbon immobilization efficiency is improved, meanwhile, soil recarburization and expansion are achieved, the contradiction between carbon sequestration and structure degradation and nutrient imbalance in a traditional recarburization and expansion technology is solved, and the soil recarburization and expansion efficiency is improved. Synergic improvement of a carbon sink function and agricultural productivity is promoted.

The invention discloses a method for calculating a dynamic stability coefficient of a slope, and belongs to the technical field of slope prevention and control engineering, and the method comprises the following steps: S1, obtaining landform, rock-soil body structure and parameter data of a research area; s2, acquiring amplification coefficient distribution rule characteristics of the slope under the dynamic conditions of different frequencies; s3, dividing a potential slip surface and performing strip block division on a potential slip mass of the side slope; s4, determining the position of the slope, and designing a basic seismic oscillation peak acceleration and a characteristic period; s5, determining and calculating seismic oscillation peak acceleration correction values of the section division in the outstanding periods of different strips and blocks; s6, calculating the horizontal earthquake acting force and the vertical earthquake acting force of the section; and S7, calculating the slope stability coefficient to obtain the slope stability coefficient. According to the method, the influence of the predominant period of the site and the local dynamic response rule on the slope stability under the earthquake action is considered, and the accuracy of the calculation result can be effectively improved.

The invention relates to the technical field of mine restoration, and discloses a mine ecological restoration vegetation configuration method, which comprises: 1, soil improvement: carrying out soil improvement on a mine wasteland, adding an organic fertilizer and a soil improvement agent, and improving the soil structure and fertility; step 2, vegetation selection: selecting herbaceous, woody and shrub plants which are drought-resistant, barren-resistant, developed in root system, easy to survive and have a landscape effect according to the actual situation of the mining wasteland; 3, vegetation configuration planning is conducted, a scientific vegetation configuration plan is made, it is ensured that various plants such as trees, shrubs, grass, flowers and rattan are reasonably matched, and a multi-layer ecological community is formed; 4, planting preparation is conducted, the selected vegetation is pretreated, and meanwhile substrate materials needed by planting are prepared. The invention provides a vegetation configuration method for mine ecological restoration, and solves the problems of single vegetation selection, severe soil conditions and lack of systematic planning during traditional vegetation planting.

A system for predicting the fundamental period for reinforced concrete buildings on slopes, consisting of: a data input module configured to retrieve building and soil parameters from datasets, including building height, field width, number of fields, slope angle, and soil conditions; a modal analysis module configured to perform a modal analysis of the input parameters using finite element analysis software and to generate results for different slope angles, soil conditions, and building configurations; a soil-structure interaction (SSI) module that includes a foundation modeling component that applies spring stiffness to column foundations based on Gazetas' formulas and simulates soil conditions categorized as stiff, medium or soft, thus incorporating soil-structure interaction effects; a regression and machine learning prediction module configured for developing predictive models using multiple linear regression, random forest, and XGBoost algorithms; and an output module configured to output the predicted basic period of the building based on the trained prediction models.

The invention provides a base material and a method for improving the carbon sequestration capacity of an ecological restoration base material containing kitchen garbage through arbuscular mycorrhiza. The base material comprises a dry spraying ecological restoration base layer and a wet spraying surface layer. The surface layer is prepared from the following components in parts by weight: a kitchen waste ecological restoration base material carbon sequestration mixture A, planting soil, a soil adhesive, a water-retaining agent, biochar and a compound fertilizer; the base layer is prepared from the following components in parts by weight: a kitchen waste ecological restoration base material carbon sequestration mixture B, planting soil, a soil adhesive, 100-mesh corn straw, biochar and a compound fertilizer. According to the method, pollution of the kitchen garbage to the environment is effectively reduced, the resource value of rich nutrients in the kitchen garbage is fully played, the functions of organic acid generated after the kitchen garbage is decomposed and arbuscular mycorrhiza for adjusting osmotic equilibrium and the like are fully played, the soil structure of the saline-alkali area can be improved, the soil fertility is improved, and the soil quality is improved. The salt tolerance of the plant is improved while the alkaline environment is improved.

The invention relates to the technical field of data monitoring, in particular to a tilling depth online monitoring system and method for a traction type tilling and soil preparation machine tool, and the method specifically comprises the steps: obtaining the real-time operation state data of the tilling and soil preparation machine tool through a sensor network, and obtaining the real-time point cloud data of the soil surface through a laser scanning device; calculating and obtaining a real-time machine tool tilling depth uniform value of the tilling and soil preparation machine tool, and calculating and obtaining a real-time soil disturbance uniform value of the tilling and soil preparation machine tool; and according to the real-time machine tool tilling depth uniform value and the real-time soil disturbance uniform value, performing coupling evaluation on the first-round tilling quality of the traction type tilling and soil preparation machine tool, and according to the first-round tilling quality coefficient, performing operation guidance on secondary-round turnover tilling. The problems that in the prior art, due to the fact that real-time monitoring on the tilling depth and soil disturbance is lacked, the tilling depth is not uniform, soil disturbance is not consistent, the soil structure and fertility are further affected, and finally crop growth and yield reduction are caused are solved.

The invention relates to lithium slag-based artificial soil based on different soil layer functions and a preparation method of the lithium slag-based artificial soil. The lithium slag-based artificial soil comprises a surface soil layer, a leaching layer, a deposition layer and a parent material layer according to soil profile layers. Compared with an existing technology for preparing artificial soil from solid waste materials such as lithium slag, red mud and coal gangue, the preparation process is simple, the cost is low, and the prepared soil is free of secondary pollution risk and is environmentally friendly; the preparation of the artificial soil of soil layers with different ecological functions in a soil profile configuration can be realized, so that the artificial soil meets the requirements of mine land reclamation and mine ecological restoration on the artificial soil with a stable soil body structure, the green restoration concept that lithium slag comes from a mine and then returns to the mine is embodied, and precious natural soil resources are not consumed; and a plurality of solid waste materials which are difficult to dispose can be recycled, the recovery and treatment cost of the mine ecological environment after mining is reduced, the pollution caused by solid waste stockpiling is reduced, and the ecological environment of a mining area and the surrounding of the mining area is improved.

The invention relates to the technical field of biological improvement methods, and discloses a comprehensive biological improvement method for severe saline-alkali grassland. According to the method, S1, early evaluation and planning are conducted, S2, straw returning to the field and soil preliminary conditioning are conducted, S3, shallow ploughing and soil preparation operation is conducted, S4, microbial inoculation is conducted to strengthen soil activity, S5, pioneer plant sowing and planting are conducted, S6, precise irrigation and drainage regulation and control are conducted, and S7, long-term monitoring and later-period management and maintenance are conducted, through straw returning to the field and microbial inoculation, the pH value of soil can be reduced to 8.0-8.5 from the initial 8.5-10.5, and the salt content is reduced to 0.5%-1% from 1%-3%; compared with the prior art, the method has the advantages that the alkalinization degree is obviously reduced, meanwhile, the organic matter content is increased from lower than 1% to 2%-3%, the soil structure is improved, the porosity is increased, the air permeability and the water permeability are enhanced, a good soil environment is created for plant growth, for example, humus generated by straw decomposition can promote soil particle aggregation, a stable aggregate structure is formed, and the water and fertilizer retention capacity of soil is improved.

The invention discloses a compound microorganism and application thereof to improvement of saline-alkali soil, and relates to the technical field of agriculture, the compound microorganism is obtained by compounding halophilic bacillus, rhodotorula mucilaginosa, alkali-resistant rhizobium, desulfurization vibrio and siliconizing bacteria, and the excellent saline-alkali soil improvement effect can be achieved. The functional strains cooperate with one another, have complementary advantages, and play a role in multiple aspects such as soil structure improvement, nutrient supply and absorption, salt and alkali relief, microbial community optimization and the like. The compound microbial preparation has an efficient synergistic mechanism, provides an innovative solution for solving the problem of saline-alkali soil, and shows huge potential in the aspects of promoting agricultural green development and ecological protection.

The utility model belongs to the field of vibration tables, particularly relates to an earthquake simulation vibration table considering the influence of a soil structure, and provides the following scheme aiming at the problems that the time for mounting and dismounting models is prolonged and the experiment flexibility and the working efficiency are reduced due to the fact that building models with different sizes cannot be quickly and conveniently clamped and fixed by the conventional vibration table. The device comprises a supporting table and a table base, four supporting bases are fixedly arranged at the bottom of the supporting table in a rectangular shape, and a vibration machine is fixedly arranged in the center of the top of the supporting table; the clamping assembly is arranged in the pedestal and is used for clamping a building model; the buffering assembly is arranged on the supporting base and used for buffering vibration generated when the device works. According to the utility model, through the arrangement of the clamping assembly, building models with different sizes can be rapidly and conveniently clamped and fixed, so that the time for mounting and dismounting the models is reduced, and the experiment flexibility and the working efficiency are enhanced.

The invention discloses a soil structure improver containing a compound microbial agent and a preparation method of the soil structure improver. The soil structure improver containing the compound microbial agent is prepared from the following raw materials in percentage by mass: humic acid, the compound microbial agent, vermiculite powder, a seaweed extract, diatomite, polydextrose, pectin, monopotassium phosphate, an organic zinc chelate, a medium trace element supplement and bentonite, wherein the humic acid, the compound microbial agent, the vermiculite powder, the seaweed extract, the diatomite, the polydextrose, the pectin, the monopotassium phosphate, the organic zinc chelate, the medium trace element supplement and the bentonite are matched. According to the soil structure improver disclosed by the invention, through the synergistic effect of the compound microbial agent, the proportion of a soil aggregate structure is effectively increased, the stability and the anti-scouring capability of soil are enhanced, the air permeability and the water-retaining property of the soil are improved, an ideal environment is created for the growth of crop roots, and the microbial agent can be colonized in the soil, so that the soil structure is improved. A good microbial community structure is formed, the biological diversity of the soil is enhanced, the self-repairing capability of the soil is improved, and a healthy soil ecological system can be constructed.

According to the microbial composite soil conditioner and the preparation method thereof, decomposition of organic matters in soil can be promoted through multiple microorganisms in the microbial composite soil conditioner, and the air permeability and the water-retaining property of the soil are improved. Meanwhile, the zeolite powder and the rice hull powder ash can improve the pore structure of the soil and improve the drainage capacity and the air permeability of the soil, so that the growth environment of the plant root system is optimized. The decomposed organic fertilizer and the edible fungus residue organic matter are rich in nutrient elements of nitrogen, phosphorus and potassium, and can provide continuous and stable nutrient supply for crops. In addition, the amino acid stock solution, the pyroligneous liquor and the molasses liquor contain various trace elements and bioactive substances, so that the disease resistance and the growth vitality of crops can be enhanced. Due to the improvement of the soil structure, the improvement of fertility and the enhancement of microbial activity, crops can better absorb nutrients and moisture, the occurrence of diseases and pests is reduced, and the increase of the crop yield and the crop quality are effectively improved.

The invention discloses a soil structure intelligent improvement method and system, and particularly relates to the technical field of soil structure improvement. The method comprises the following steps: constructing a basic data set by collecting original soil sample data of a target cultivated land area, and reconstructing a soil structure state map by adopting a multi-dimensional feature mapping model after standardization and normalization processing; key structure deterioration indexes influencing the farming performance are extracted through structure pattern recognition; establishing a structure improvement adaptation model based on the key structure deterioration indexes and the crop root zone environment demand parameters, and determining an adaptation weight relation matrix; matching the soil structure improvement measures according to the adaptive weight relation matrix to form a soil improvement strategy; and applying the soil improvement strategy to the target cultivated land area, and updating the structure improvement adaptive model to realize continuous improvement of the soil structure of the target cultivated land area. And the soil structure state can be accurately evaluated, and differentiated and intelligent soil improvement strategy making and implementation can be realized.