533 results about "Soil compaction" patented technology

The invention belongs to the technical field of agricultural irrigation, and particularly relates to a deep-buried drip irrigation tape laying device capable of preventing tape overturning, in the device, a tape winding drum is detachably connected to an unwinding mechanism, a drip irrigation tape is wound on the tape winding drum, the unwound drip irrigation tape is fed between a furrow opener and a tape pressing wheel along a guide mechanism, and along with advancing of a rack, the drip irrigation tape is wound around the tape winding drum. The drip irrigation belt is laid in a groove formed by the ditching mechanism, then soil is compacted through the soil pressing mechanism, laying is achieved, in the process, through the arrangement of the guide mechanism and the belt pressing wheel, the belt floating and belt turning phenomena in the unwinding and laying process can be effectively avoided, the height of the ditching device is adjustable, and the practicability is high. The ditching depth of the ditcher can be adjusted according to actual use requirements; according to the drip irrigation belt laying device, the phenomena of belt floating and belt turning in the drip irrigation belt laying process can be effectively avoided, and the drip irrigation belt laying depth is adjustable.

The invention belongs to the technical field of intelligent agriculture and soil mechanical modeling, and particularly relates to a farmland soil mechanical compaction stress distribution prediction model construction method, which comprises the following steps: S1, constructing a stress distribution measurement model, and arranging stress sensors; s2, obtaining a wheel load and a surface stress of a wheel soil contact surface based on a vertical stress collected by a stress sensor; s3, measuring the stress transfer coefficient of each layer of soil by using a uniaxial compression test; s4, calculating the concentration coefficient of each layer of soil; and S5, obtaining a soil stress distribution model of the ith layer. The model can be used as a bottom-layer mechanical engine of a soil compaction evaluation system, supports data input of an upper-layer risk prediction module, and provides favorable technical support for subsequent prediction of soil compaction, so that effective measures can be taken to avoid soil compaction in advance.

The invention provides a calcium humic acid modified biochar composite material as well as a preparation method and application thereof. The preparation method specifically comprises the following steps: preparing calcium modified biochar powder from biochar powder and a calcium source; mixing humic acid with the calcium modified charcoal powder, filtering and drying to obtain a calcium humic acid modified charcoal composite material; wherein the mass ratio of the humic acid to the calcium modified charcoal powder is 1: (2-20). When the calcium humic acid modified biochar composite material is used as a soil remediation agent for soil remediation, the pH value, the organic matter content and the cation exchange capacity of soil can be improved, the soil hardening degree is relieved, heavy metal lead and cadmium and ions thereof can be immobilized in the modes of ion exchange, electrostatic adsorption, surface complexing, deposition and the like, and the soil remediation efficiency is improved. The soil heavy metal content is further reduced.

The invention discloses a straw returning machine control system and method for soil mechanical compaction and reduction, and belongs to the technical field of agricultural machinery control. The problem that in the operation process of an existing straw returning machine, control parameters cannot be adaptively modified according to the current soil state, and the soil mechanical compaction state is serious is solved. The system adopts a soil comprehensive pressure resistance calculation module to calculate the soil comprehensive pressure resistance; the soil comprehensive compaction degree calculation module calculates the soil comprehensive compaction degree; a first adjustment parameter determination module is further adopted to determine one first adjustment parameter by taking the cutter angular speed, the cutter shaft torque and the operation depth as to-be-adjusted operation parameters; and calculating the adjustment amount of the first adjustment parameter by adopting a first adjustment parameter updating module, and determining the current adjustment value of the first adjustment parameter according to the current value and the current adjustment value of the first adjustment parameter. According to the invention, the pre-judgment and control of the soil compaction effect are realized to the greatest extent.

The invention provides a microbial agent type bio-organic fertilizer capable of improving continuous cropping tobacco planting soil hardening and a preparation method of the microbial agent type bio-organic fertilizer, and belongs to the technical field of organic fertilizers. The microbial agent type bio-organic fertilizer capable of improving continuous cropping tobacco planting soil hardening comprises the following raw materials: an organic material, a microbial agent, an inorganic nutritional ingredient, vinasse and an additive, wherein the organic material is composed of livestock and poultry manure, crop straw, tobacco waste and a fermentation inoculant; the additive is prepared from humic acid, seaweed extract and amino acid. The organic fertilizer contains rich organic materials and humic acid, the content of organic matters in soil can be increased, the granular structure of the soil can be improved, the growth of soil-borne pathogenic bacteria can be inhibited by the added multiple beneficial microorganisms, the micro-ecological environment of the soil can be improved by the photosynthetic bacteria, and the incidence rate of diseases such as tobacco black shank and bacterial wilt can be reduced.

System and methods for modeling, planning, and monitoring soil compaction. Laboratory test and historical data establish an historical baseline. A predictive baseline is computed from the historical baseline and a predictive site model. During the soil compaction of a calibration area, a predictive compaction model is computed from providing compaction scores obtained from standard tests, loose measurement maps and a compacted vibration map. During the soil compaction vibration data is used in conjunction with the predictive compaction to compute a compaction value. Upon detecting that the compaction value is within the target compaction threshold, an operator is notified.

The invention relates to the technical field of agricultural machinery, in particular to a ditching machine for soybean planting. The device comprises a walking tractor head, a furrow plough, a furrow cutter and a dumping plough, soil compaction mechanisms are rotationally installed on the two sides of the end, away from the furrow cutter, of the dumping plough, and each soil compaction mechanism comprises a compaction assembly and a ventilation assembly; according to the device, through the synergistic effect of the compaction assembly and the ventilation assembly, balance of soil compaction and ventilation is achieved, the compaction assembly can effectively compact the ditch wall, prevent soil from loosening and slipping and ensure the stability of the gully, and the ventilation assembly is provided with a plurality of ventilation holes in the compaction process through the design of ventilation rods and barbs, so that the soil can be effectively compacted, and the ventilation effect is improved. The soil is compacted and ventilated, so that the air permeability of the soil is ensured, the respiration and healthy growth of soybean root systems are facilitated, and the compaction and air permeability coexisting collaborative design not only improves the environmental quality of the soil, but also provides good conditions for the growth of soybeans.

The invention belongs to the technical field of seed cultivation equipment, and discloses seed and seedling cultivation equipment and a cultivation method.The seed and seedling cultivation equipment comprises a frame body, a cultivation carrying frame is slidably connected into the frame body in a sleeved mode, the top of the cultivation carrying frame is sleeved with a hole tray frame, and an ultrasonic nebulizer is fixedly arranged in the cultivation carrying frame. According to the device, water replenishing treatment is conducted on seed cultivation, liquid beads are atomized at the bottom and permeate into soil, the problems that the water amount control difficulty is large during top irrigation and soil hardening is caused are solved, water supply consumption is reduced, soil hardening is avoided, the good refined water replenishing effect is achieved, and meanwhile through cooperation of a second slit and a condensation column, the water replenishing efficiency is improved. According to the device, redundant atomized liquid beads are dispersed to the upper portion of the hole tray frame, the upper and lower face water supplementing effect is achieved aiming at atomization contact of the top of soil, the condensation column makes contact with the atomized liquid beads, condensation and convergence are achieved, the slow drip irrigation effect is simulated, the multiple irrigation water supplementing effect is achieved, and the comprehensive use effect is good.

The invention relates to the technical field of geological environment monitoring, in particular to a stability monitoring method for ecological slope protection of an expressway. The method comprises the following steps: acquiring remote sensing data of an expressway monitoring area; performing water and soil loss area detection according to the remote sensing data of the highway monitoring area to obtain water and soil loss area data; performing erosion intensity analysis according to the water and soil loss area data to obtain erosion intensity data; extracting vegetation coverage data of the water and soil loss area data; performing drainage clogging analysis according to the vegetation coverage data and the erosion intensity data to obtain drainage clogging data; performing soil stability analysis based on the drainage clogging data to obtain soil stability data; and detecting the soil compaction degree according to the soil stability data. Based on the geological environment monitoring technology, the detection and prediction precision of water and soil loss, soil stability and ecological slope protection stability of the highway monitoring area is improved, and the landslide prevention and ecological protection efficiency is improved.

The invention discloses a PLC (programmable logic controller) control type film-laying and pipe-laying straight-insertion precision seeding all-in-one machine, and belongs to the technical field of seeders, the PLC control type film-laying and pipe-laying straight-insertion precision seeding all-in-one machine comprises a machine body and a seed storage unit assembled on the machine body, one side of the machine body is connected with a film-laying unit and a pipe-laying unit through an extension frame, a straight-insertion assembly is assembled on the extension frame, and the straight-insertion assembly comprises a synchronous frame inserted on the extension frame; a first electric hydraulic push rod of which one end is connected with the synchronous frame is mounted in the middle of the extension frame; through the arrangement of the film laying unit, the pipe laying unit and the direct insertion unit, the functions of film laying, pipe laying, sowing and film breaking are integrated, full-process mechanical operation is achieved, traditional manual operation is replaced, the labor cost and time investment are greatly reduced, and the machine is particularly suitable for large-scale planting scenes; the air permeability and moisture retention are balanced, oxygen deficit caused by soil hardening is prevented, the situation that seedlings are scalded due to the fact that the mulching film is not broken in high-temperature weather can be avoided as much as possible, and the crop survival rate is increased.

The present invention relates to the technical field of soil column water seepage models. Disclosed are a multifunctional soil column model device and a using method. According to the multifunctional soil column model device and the using method, by extending an electric push rod, a pressing plate moves downward to approach the soil; as one end of each rope is connected to a fixing plate, rope reels are enabled to release the corresponding ropes and rotate, a rotating shaft drives cams to rotate, and the cams and pulleys compress each other to move and drive, in cooperation with first springs, a fixing sheet to shake in a reciprocating mode, so that the fixing sheet drives, by means of a second spring, a threaded disc and the pressing plate to vibrate in a reciprocating mode, the pressing plate advances downward in a vibrating mode, and the pressing plate makes contact with the soil and maintains vibration to perform compaction operation, thereby improving the soil compaction quality, better simulating subgrade soil, and enhancing experimental accuracy; moreover, by assembling multiple model barrels for use, experimental data at different heights can be simulated, and by means of assembly, the space occupied by model barrels can be reduced, thereby facilitating transportation.

The invention discloses a supersonic orchard gas explosion deep scarification fertilizer applicator which comprises a crawler-type movable chassis, a gas explosion generating device, an air pressure and fertilization adjusting device, a control device, a soil bulk density detection device, a sensor intelligent detection device and the like. The gas explosion generating device comprises an air compressor, a gas tank, a high-pressure gas pipe and an electromagnetic valve, gas generated by the air compressor is stored through the gas tank, and the electromagnetic valve controls release of the high-pressure gas. The air pressure and fertilization adjusting device comprises an electromagnetic valve, a soil bulk density detection device, a sensor intelligent detection device and a control platform, and the soil bulk density detection device is installed on the crawler-type movable chassis and used for detecting the thickness of a soil compaction layer and determining the deep scarification depth and the air explosion pressure; the sensor intelligent detection device comprises a moisture sensor, a temperature sensor, a nitrogen phosphorus and potassium sensor, a single chip microcomputer control module and a communication module, and the sensors are used for detecting the moisture, temperature and nitrogen phosphorus and potassium content of soil, so that the proper fertilization amount is determined.

The invention discloses a subgrade soil dry density hyperspectral nondestructive testing method based on a soil compactness coefficient. The method comprises the following steps: a1, uniformly distributing physical and chemical parameters of engineering foundation soil in a space; b2, a remote sensing product used for monitoring the water content of engineering foundation soil is obtained and generated through the four-rotor unmanned aerial vehicle; c3, building model parameters in combination with indoor experiments; d4, the engineering foundation is compacted, and the soil dry density of the engineering foundation is actually measured through a sand filling method and verified; e5, a remote sensing product used for monitoring the soil water content after engineering foundation compaction is obtained and generated through the four-rotor unmanned aerial vehicle; and f6, constructing a soil compactness coefficient image based on the hyperspectral image products generated in the step b2 and the step e5, inputting the image of the corresponding characteristic parameter into the model obtained in the step d4, and estimating the dry density of the roadbed construction soil. According to the method, rapid, lossless and real-time detection of the dry density of the roadbed soil can be realized through an unmanned aerial vehicle-hyperspectral technology, and the defects of a traditional soil dry density determination method are effectively overcome.

The invention discloses an intelligent agricultural greenhouse for modern agriculture, and the greenhouse comprises a greenhouse frame which is internally provided with an intelligent inspection mechanism. The mechanism is mainly composed of a pair of sliding rails, an electric sliding block capable of moving on the sliding rails, a first transverse plate connected with the electric sliding block and a loader installed at the lower end of the first transverse plate. And a visual detection mechanism and a targeted spraying mechanism are arranged on the loader. The visual detection mechanism is responsible for collecting image information of crops in the greenhouse, and the targeted spraying mechanism is used for executing precise pesticide application work. The device has the remarkable beneficial effects that precise positioning and local pesticide application can be achieved, and the problems of resource waste and environmental pollution caused by a traditional wide pesticide spraying method are fundamentally avoided. The system can effectively protect the natural control ability of beneficial organisms and ecological systems and reduce the risk of soil hardening and underground water pollution, thereby being beneficial to improving the soil productivity and environmental bearing capacity and finally ensuring the safety and quality of agricultural products.

The invention discloses novel efficient biological cultivation equipment for black land based on earthworm driven inoculation, and designs novel pure-electric-driven unmanned earthworm complex large-field throwing equipment in order to solve the problem that existing throwing machinery for earthworm complexes is lacked. According to the device, mixed liquid acts on materials at the bottom of the material box in a spraying mode, the overhead phenomenon formed in the material box due to adhesion of the materials is avoided, and it is guaranteed that the materials are continuously and fully filled into the discharging mechanism; according to the feeding device with the earthworm feeding hopper and the straw mixture feeding hopper as main components, accurate feeding is achieved under the condition that the reasonable sowing amount is controlled, and the feeding distance and the feeding amount can be controlled according to actual needs. According to the design, the requirement of intelligent agricultural machinery is met, quantitative and damage-free putting of the earthworm complex is met, and a feasible solution is provided for solving the problems of insufficient soil porosity and soil hardening.

The invention discloses a high-bearing-capacity formed spiral anchor foundation and a construction technology, and relates to the technical field of spiral anchor foundations, the high-bearing-capacity formed spiral anchor foundation comprises a hollow anchor rod, at least one spiral anchor disc and a plurality of grouting holes, the spiral anchor disc and the grouting holes are arranged on the lower section of the anchor rod, a pressing disc structure is coaxially arranged on the middle section of the anchor rod, and the diameter of the pressing disc structure is basically equal to that of the spiral anchor disc; and the pressure plate structure is used for compacting soil around the anchor rod in the process of screwing the anchor rod into the ground. In the process that the middle section of the anchor rod is screwed into the ground, the pressing disc structure compacts soil around the anchor rod disturbed by the spiral anchor disc, the uplift bearing capacity is improved, in the later stage, through the high-pressure grouting stage of the anchor rod, cement paste cannot uprush from the high-compactness soil in the spiral anchor disc and around the anchor rod, and the uplift bearing capacity is improved. The high-bearing forming spiral anchor foundation can only uprush to the ground from soil which is far away from the anchor rod and is relatively low in compactness, so that the cement paste is fully injected into the underground soil, the paste wrapping range is wide, the grouting effect is good, and the bearing capacity, especially the horizontal bearing capacity, of the high-bearing forming spiral anchor foundation is remarkably improved.

The invention belongs to the technical field of soil remediation, and particularly relates to a saline-alkali soil improvement method which comprises the following steps: soil preparation: irrigating after ploughing; compacting the soil: compacting the air-dried soil; planting of the gramineae plants and the leguminous plants: intercropping the gramineae plants and the leguminous plants after rotary tillage, wherein the distance between the adjacent gramineae plants and leguminous plants is 30-45cm. According to the method, a blocking layer for limiting downward movement of soil moisture and upward migration of underground moisture is formed in a soil compaction mode, salt moves along with repeated evaporation of moisture is established, before compaction, soil is turned over and irrigated, salt is promoted to permeate downwards, compaction is conducted after turning over and irrigating, on one hand, salt infiltration is further promoted, on the other hand, the salt content is reduced, and the soil quality is improved. After compaction, surface soil is subjected to rotary tillage to loosen, so that root systems of the corn and the soybeans laterally develop, and the surface soil is improved by utilizing ecological habits of different crops and a root system distribution difference principle.

The invention relates to the technical field of soil compaction degree testing, in particular to a soil compaction degree testing device and method for a garden tillage machine, and the method comprises the steps: measuring the height from each set position to the ground at each moment in the movement process of the garden tillage machine, and measuring the vibration frequency and vibration amplitude of each set position at each moment; measuring an inclination angle formed between the tail part of the garden farming machine and the horizontal plane at each moment in the movement process; determining the vibration difference degree of each set position at each moment; obtaining a height deviation coefficient of each set position at each moment; correcting the height of each set position at each moment by using the height deviation coefficient based on the vibration difference degree; and based on the corrected height of each set position at each moment, utilizing a trigonometric function relationship to obtain the settlement difference of the soil at each moment in the movement process of the garden farming machine, and testing the compaction degree of the soil. Therefore, the accuracy of the soil compactness test is improved.

The invention discloses a loess high fill compaction degree nondestructive detection method, relates to the technical field of civil engineering and geological detection, and is used for solving the problems that the detection precision is insufficient, the adaptability to loess characteristics is poor, and the requirement of loess compaction degree nondestructive evaluation cannot be met. An earth surface electromagnetic wave reflection signal and soil particle vibration frequency data are collected to analyze a compaction degree deviation index, when the deviation index is higher than a judgment threshold value, a spectrum analysis algorithm is adopted to calculate compaction degree spectrum characteristics of different depths and positions, and if the spectrum characteristics are consistent, soil particle distribution characteristics and humidity change frequencies are further collected; the compaction uniformity is comprehensively analyzed, the compaction non-uniformity rate is calculated when the uniformity is low, a proper detection algorithm is selected according to the compaction non-uniformity rate to judge whether the compaction non-uniformity problem exists or not, the calculation complexity is reduced, and the judgment accuracy is improved.

The invention relates to the field of data analysis, in particular to a farmland soil compaction diagnosis method based on multi-source sensor data, and the method comprises the steps: carrying out the gradient energy feature construction and phase alignment cross-correlation evaluation of soil resistance depth curve data, and obtaining a gradient energy phase locking factor; carrying out rheological consistency coupling evaluation on the morphological characteristics of the soil resistance depth curve and the soil volume moisture content to obtain a rheological morphological coupling factor; performing joint correction on the basic Euclidean distance to obtain an adaptive similarity distance and executing clustering iteration; spatial modeling and prescription mapping are carried out on a clustering result and sampling point position information, so that a soil compaction accurate diagnostic graph is obtained, and a differentiated subsoiling operation instruction is generated; the method solves the problem that the existing Euclidean distance easily causes the characteristic dislocation of the compaction layer and the deformation of the rheological strength under the condition of farmland micro-topography fluctuation and water content difference to cause the distortion of the clustering partition.

The invention discloses an organic-inorganic composite acid soil conditioner with synergism of nitrogen element synergism and soil expansion and application, and belongs to the technical field of soil conditioners. The modifier prepared by the invention is prepared from an acid neutralizer, a structure modifier, a capacity expansion synergist and a nitrogen synergist and is prepared from the following components in parts by weight: 18 to 22 parts of dolomite powder, 6 to 10 parts of lime powder, 20 to 24 parts of oyster shell powder, 8 to 12 parts of humic acid, 4 to 8 parts of sargassum, 1 to 3 parts of sodium alginate, 7 to 11 parts of charcoal, 5 to 9 parts of sepiolite powder, 3 to 7 parts of bentonite, 6 to 10 parts of poly gamma-calcium glutamate and 3 to 7 parts of chitosan. The soil conditioner can regulate and control the soil acidity, buffer the soil capacity, improve the soil structure and balance soil nutrients, solves the problems of high re-acidification rate, soil hardening and nutrient imbalance of a traditional lime conditioner, and is suitable for pHlt; and 6.5, repairing the acid soil.

The invention discloses a compaction degree measuring and calculating method based on multi-physics field joint inversion. The method comprises the following steps: acquiring multi-physics field observation data and rock-soil compaction characteristic parameters of a to-be-detected area; establishing a mapping relationship between the moisture content and the observation data and between the dry density and the observation data by using a pre-established forward model; executing joint inversion iteration, and updating the state variable based on the observation residual error; in the iteration process, a physical feasible region is constructed by utilizing rock-soil compaction characteristics, and the physical feasible region is embedded into the inversion process as a constraint condition to constrain the value ranges of the dry density and the water content; and in response to the condition that the joint inversion iteration process meets a preset convergence condition, outputting the dry density after inversion convergence and calculating the compaction degree. According to the method, the problems that a traditional inversion solution violates the soil engineering compaction rule and cannot adapt to compaction under variable work conditions are solved, and the physical authenticity and precision of compaction quality detection are improved.

The invention discloses a rice seed cultivation device and a use method thereof, relates to the technical field of seed cultivation devices, and provides the following scheme that the rice seed cultivation device comprises a machine body and further comprises a placement plate, a seed collection device and a seed collection device, the extracting mechanism is arranged in the machine body and is used for extracting the placing plate; the lifting mechanism is arranged in the machine body and is used for carrying out lifting adjustment on the placing plate; the soil loosening mechanism is arranged in the machine body. According to the device, rapid soil loosening, seedling pulling and spraying treatment can be carried out on a rice seed sample in cultivation, seed placement, soil loosening, seedling spraying and seedling pulling operation are completed through a mechanical structure and motor driving, the labor intensity of workers is reduced, especially, the stooping operation frequency of workers is reduced, the operation comfort is improved, and the working efficiency is improved. The soil loosening mechanism can not only break soil hardening but also reduce pulling damage to seedling root systems caused by traditional rigid soil loosening by achieving compound motion of reciprocating translation and rotary soil loosening.

The utility model relates to the technical field of foundation pile impact devices, in particular to a static pressure immersed tube method plain soil compaction pile impact device which comprises two cross beams which are symmetrical to each other and fixedly installed on an external pile press, and U-shaped frames are fixedly installed on rod bodies at the ends of the two cross beams. A supporting frame is rotationally connected between the left side plate body and the right side plate body of the U-shaped frame through a rotating shaft, a driving motor is coaxially arranged at the end of the rotating shaft, a first hydraulic cylinder is fixedly installed on the top plate body of the supporting frame, a lower pressing disc is arranged at the tail end of a telescopic shaft of the first hydraulic cylinder, and second hydraulic cylinders are fixedly installed on the left side plate body and the right side plate body of the supporting frame. A clamping plate is arranged at the tail end of a telescopic shaft of the second hydraulic cylinder, guide holes are formed in the left side plate body and the right side plate body of the supporting frame, guide rods are fixedly installed on the side faces of the clamping plate, and the guide rods penetrate through the guide holes and are in sliding connection with the guide holes. According to the utility model, angle adjustment and clamping guide operation are facilitated, and dense pile impact is facilitated.

The invention relates to the technical field of cement soil compaction pile hole forming construction, and discloses a cement soil compaction pile hole forming construction device which comprises a positioning mold and a carrying frame, the carrying frame is located above the positioning mold, a cleaning device is arranged on the surface of the positioning mold, and the cleaning device comprises a positioning cylinder and a gathering cover. According to the drilling device, soil overflowing from drilling is limited in a fixed area through the guide cover and the gathering cover, the soil is prevented from splashing all around to pollute a construction site, the follow-up manual cleaning workload is reduced, meanwhile, the soil is rapidly guided into the guide frame through the design of centrifugal force and the dip angle of the stirring blades, the continuous operation mode of drilling and cleaning at the same time is achieved, and the construction efficiency is improved; and meanwhile, the cleaned soil is collected, subsequent reutilization of soil resources is facilitated, a motor is guided to drive a conveying belt to discharge the soil from the tail end of a guide frame, the soil is accumulated outside a construction area, safe construction is ensured, and meanwhile subsequent cleaning operation is facilitated.

The utility model relates to the technical field of stainless steel water tanks, in particular to a buried stainless steel water tank not prone to displacement. According to the technical scheme, the device comprises a shell, and four sliding grooves are formed in the bottom face of the shell; the water tank is arranged in the shell and used for storing water, a bottom plate is arranged at the bottom of the water tank, an adjusting threaded rod is rotationally arranged on the bottom plate, and the lower end of the adjusting threaded rod penetrates through the shell in a threaded mode; a limiting assembly used for limiting the water tank is arranged on the bottom face of the bottom plate. Soil around the buried water tank does not need to be compacted, the water tank is prevented from being damaged, meanwhile, the overall stability of the water tank is improved, displacement of the water tank caused by soil movement or external force is prevented, position change of the water tank caused by soil settlement is effectively prevented, and it is guaranteed that the water tank is always kept at the designed position.

An agricultural system includes a sink region sensor configured to collect information regarding a sink region within the field; a vehicle sensor configured to collect information regarding current vehicle weight when proximate to the sink region within the field; and a controller. The controller includes processor and memory architecture executing control logic to: receive the sink region information and extract sink region characteristics; receive the current vehicle weight; determine a potential soil compaction impact of the agricultural work vehicle traversing the sink region in view of the sink region characteristics and the current vehicle weight; and generate commands associated with a sink region prescription to address the sink region at a later time when the potential soil compaction impact exceeds a sink region constraint; and generate commands to proceed along the default path when the potential soil compaction impact does not exceed the sink region constraint.

The application provides a soil sampling device. The soil sampling device comprises a sampling assembly, a driving assembly and an operating assembly; the sampling assembly comprises a cutting piece and a soil receiving piece embedded in the cutting piece; the cutting piece has a cutting end facing away from the driving assembly, and a plurality of cutting structures are arranged at intervals in the circumferential direction of the cutting end; each cutting structure has at least one guide structure, which is arranged obliquely relative to the central axis of the cutting structure; and the guide structure is configured to guide the cut soil to be discharged through the annular gap on the side of the cutting piece when the cutting structure rotates. The application can reduce the damage to the soil compaction, make the soil sampling process more stable and reliable, save labor, and improve the integrity of the soil sample.

The invention relates to a soil compaction system for compacting soil (2), comprising: a soil compaction machine (1); a data processing unit (8); and a determination device (10) for determining at least one input variable which is a criterion for the behaviour of at least one component of the soil compaction machine during a working phase; wherein the data processing unit (8) has an AI (artificial intelligence) device (9); the data processing unit (8) has been trained during a training phase; the data processing unit (8) is trained to derive at least one soil compaction value from the at least one input variable with the aid of the AI device (9); and the soil compaction value is an absolute soil compaction value.

This invention relates to the field of no-till seeding devices, and more particularly to a general-purpose no-till seeding device for wheat and rapeseed, comprising: a frame, rollers, a double-disc stubble-breaking blade, a seeding mechanism, and a covering roller; a storage bin is provided on the frame; the rollers are rotatably connected to the frame; an installation block is fixedly connected to the frame; the double-disc stubble-breaking blade is rotatably connected to the installation block; a motor for driving the double-disc stubble-breaking blade is provided inside the installation block; a support rod is fixedly connected to the installation block; in this invention, soil is moved to the crushing roller on a vibrating screen by a suction air pump, crushed into small soil particles, and then screened. The small soil particles fall into the furrow through a transfer funnel and a covering pipe to complete the covering. Subsequently, the covering roller lightly presses the soil to complete no-till seeding. Covering the seeds with small soil particles prevents seed hypoxia and soil compaction, thus avoiding restrictions on seed growth and germination.