2149results about "Soil lifting machines" patented technology

The invention discloses an agricultural solid waste contaminated soil remediation device, and relates to the field of soil remediation, the agricultural solid waste contaminated soil remediation device comprises a base plate, a storage box and a first liquid outlet pipe, the bottom of the base plate is fixedly connected with four electric wheels, the upper portion of the base plate is fixedly connected with a handheld handrail, the storage box is fixedly connected to the upper portion of the base plate, and the first liquid outlet pipe is fixedly connected to the base plate; the upper end of the first liquid outlet pipe penetrates through the base plate to communicate with the storage box, the bottom of the base plate is fixedly connected with a first extension plate, and the first extension plate is fixedly connected with a first motor. According to the device, soil on the filter plate is vibrated, so that the soil leaks out of filter holes in the filter plate, and building concrete stones larger than the filter holes cannot fall off; and the concrete stones embedded in the soil can be effectively removed, and the blocking of the stones can be reduced during the subsequent injection of the repairing liquid, so that the repairing liquid can be fully permeated into the soil.

The invention relates to the technical field of ecological soil remediation, and discloses a moso bamboo ecological soil remediation directional regulation and control method and equipment which are used for solving the problems of insufficient light transmittance, low acidified soil remediation efficiency and the like caused by a fixed proportion of a traditional bamboo and broad-leaved mixed forest. A random forest algorithm is combined to dynamically optimize a mixing proportion and associated tree species configuration, an unmanned aerial vehicle is used for scanning to generate a three-dimensional crown model, intelligent equipment is guided to accurately intermediate cutting and complementary planting, and in cooperation with a pH response type shading film and an acid-resistant phosphate solubilizing bacterium agent, crown light transmittance improvement and acidified soil improvement are achieved. The equipment comprises an unmanned aerial vehicle carrying a laser radar, an intelligent transplanting robot and a solar drip irrigation system, and the concentration of a fungicide and an irrigation strategy can be dynamically regulated and controlled. The porous bamboo charcoal carrier is prepared by innovatively utilizing the moso bamboo waste, and the functional flora is loaded to replace the traditional peat raw material; according to the scheme, the problems of static configuration, manual dependence and resource waste are solved.

The invention belongs to the technical field of soil improvement, and discloses a wormcast biochar-based soil conditioner as well as a preparation method and application thereof. The soil conditioner is prepared from the following raw materials: modified charcoal, wormcast, a seaweed fertilizer, a microbial agent, vermiculite, humic acid, urea and coal gangue. The modified biochar and the wormcast are used as main components, the modified biochar is loaded with potassium and phosphorus, and potassium and phosphorus elements can be slowly released and provided; on one hand, plasma modification can generate oxygen-containing groups and increase active sites, so that heavy metals are complexed, and the removal capacity of the heavy metals is improved; on the other hand, holes in the surface of the biochar can be increased, the specific surface area is increased, the adsorbability is improved, and the biochar can serve as a carrier of components such as microorganisms, wormcast and urea, so that nutrient substances are slowly released in soil. Wormcast contains some bacteria, fungi and the like, promotes plant growth and serves as organic fertilizer together with seaweed fertilizer and humic acid, and the content of organic matter and mineral matter in soil is increased.

The invention discloses an energy-saving irrigation method for a water conservancy project, and belongs to the technical field of agricultural irrigation. The adjusting mechanism is installed on the water conveying pipe and comprises a movable sleeve part and a third sleeve, the movable sleeve part is rotationally installed on the water conveying pipe, an adjusting part is installed in the movable sleeve part, the third sleeve is provided with an irrigation opening, and the third sleeve is installed on the movable sleeve part in a sliding mode through the adjusting part; the oxygen supply mechanism is arranged in the movable sleeve and comprises a fixing ring, a connecting rod, an air bag and an output pipe, the connecting rod can slide in the circumferential direction of the fixing ring, the connecting rod is sleeved with the air bag, and the output pipe is fixedly connected with the air bag. Water flow enters the movable sleeve and the third sleeve through the space between the sealing block and the sealing ring, the third sleeve moves upwards on the movable sleeve under the jacking action of the movable rod to expose the irrigation opening, and the purpose of irrigation is achieved.

The invention discloses a magnetic biochar-based saline-alkali soil conditioner as well as a preparation method and application thereof, after a biochar material is loaded on ferrous iron, the biochar material is subjected to alkaline oxidation to obtain ferroferric oxide and a porous biochar material in a stable state, and finally activated humic acid, betaine, trehalose and melatonin are combined with magnetic biochar. The magnetic charcoal-based saline-alkali soil conditioner is low in price and easy to obtain and has a good improvement effect on physicochemical properties of saline-alkali soil and promotion of rice growth, and the preparation process is simple and easy to operate.

The invention relates to the technical field of agricultural machinery, in particular to a rotary tillage, fertilization and soil covering composite operation machine which comprises a rack, a rotary tillage part, a seeding part, a fertilization part and a soil covering part are arranged below the rack, and the rotary tillage, fertilization and soil covering composite operation machine at least comprises a plurality of cleaning parts and a plurality of soil covering parts, the screening parts are arranged on one side of the cleaning part, and the screening parts are used for leveling the soil in a reciprocating mode and form a staggered structure; the driving part is arranged above the screening part and located below the rack, and the driving part is used for providing power for reciprocating motion of the screening part; according to the device, the driving part is used for driving the screening part to continuously stir soil, so that the soil is uniformly distributed above seeds and fertilizers, the soil on the roller is cleaned down through the cleaning part to form blocky soil, and then the blocky soil is smashed through a staggered structure formed by the screening part, so that the blocky soil is prevented from falling above the seeds and the fertilizers; and sundries such as broken stones are recycled.

The invention relates to intelligent agricultural equipment and a method for improving soil. The method comprises the steps that environment temperature data are monitored and collected in real time through a temperature sensor, soil surface state images are collected through a camera, and the environment temperature data and the soil surface state images are analyzed through a data processing and image understanding algorithm based on artificial intelligence and deep learning at the rear end; therefore, multi-modal essential fusion features between the soil surface state semantics and the environment temperature time sequence semantics are captured and described, and the spraying amount is recommended and controlled. Therefore, the spraying amount of the modifier can be dynamically adjusted according to the specific condition of the soil and the change of the environment temperature, so that the intelligent degree of control over the agricultural equipment for improving the soil is improved, and better soil improvement quality and efficiency can be achieved.

The invention discloses organic material and microbial agent coupled fertilization equipment and method, the organic material and microbial agent coupled fertilization equipment comprises a mixing box, the bottom of the mixing box is of a semicircular structure, and the upper part of the mixing box is of a rectangular structure; a partition plate is fixedly connected to the upper portion of the mixing box and divides the upper space of the mixing box into an organic material feeding cavity and a soil feeding cavity. A storage box is arranged on one side, close to the soil feeding cavity, of the upper part of the mixing box; a circular cavity is formed in the bottom of the mixing box; a mixing barrel with two closed ends is rotationally connected into the circular cavity; firstly, a microbial agent and a carrier are preliminarily mixed, then the coupled microbial agent is put into a mixing barrel, the clay carrier and the microbial agent are mixed to protect the microbial agent, the microbial agent is not directly subjected to violent reaction or excessive stirring with other materials, the shearing force of a stirring rod is reduced, and the use of the soil carrier can help maintain the stability and activity of the microbial agent; meanwhile, the uniform distribution of the fungicide and the organic materials is ensured.

The invention relates to the technical field of saline-alkali soil improvement, and discloses a saline-alkali soil improvement system and method for combined control of agriculture, forestry, animal husbandry, planting, breeding and breeding, and the saline-alkali soil improvement system for combined control of agriculture, forestry, animal husbandry, planting and breeding comprises a first planting area; a drip irrigation assembly; a water seepage assembly; the drainage channel is arranged below the surface of the saline-alkali soil corresponding to the first planting area; and a first flow guide member. According to the method, salt-tolerant plants are planted in the saline-alkali soil, so that the infiltration capacity of water in the soil can be improved, and absorption and leaching of salt in the soil are promoted; the drip irrigation assembly is adopted to irrigate the salt-tolerant plants, and water molecule movement can bring salt in soil to the deep position of the soil, so that the salt return phenomenon caused by the capillary action of water molecules is avoided; by arranging the water seepage assembly, the movement speed and the conveying effect of saline-alkali water in soil conveyed to the drainage channel can be increased, and infiltration and collection of the saline-alkali water are accelerated; by arranging the drainage channel, saline-alkaline water in the soil can be absorbed and discharged.

The invention relates to the technical field of saline-alkali land improvement, in particular to a moderate and severe salinization cultivated land alkali-reducing fertilizing cultivation device and method.The device comprises improved cultivation equipment, a storage discharging box is fixedly installed on the improved cultivation equipment, and the device further comprises a discharging control bin, the discharging control bin is further provided with a plurality of discharging ports, and each discharging port is provided with a sliding plugging plate in a sliding mode. The improved control mechanism comprises a conductivity sensor, a displacement control assembly and a discharging assembly; according to the alkali-reducing fertility-improving cultivation device and method for the moderately severe salinization cultivated land, for the same improved area, if the requirement for increasing or reducing the modifying agent locally exists, waste of the modifying agent can be avoided, and the effect of improving the soil can be improved by adjusting the amount of the intermittently discharged modifying agent.

The utility model belongs to the technical field of agriculture and forestry machinery, and particularly relates to a soil improvement device. Comprising a deep scarification gun, an air inlet pipe and a spray explosion tank, the lower end of the deep scarification gun is in interference fit with a deep scarification head, the deep scarification head is of a conical structure, an airflow channel is formed in the deep scarification gun, a spraying hole is formed in the lower end of the deep scarification gun, an air inlet is formed in the side wall of the upper end of the deep scarification gun, and the airflow channel is communicated with the spraying hole and the air inlet; the air inlet pipe comprises a hose and a metal pipe, one end of the hose is communicated with the metal pipe, the metal pipe is in interference fit with the air inlet, and the other end of the hose is communicated with the air outlet of the spray explosion tank. According to the scheme, through the integrated modeling design of the deep scarification gun, the drill rod, the deep applying rod and the deep applying head are connected instead of threads or bolts, unnecessary connecting structures on parts are reduced, meanwhile, connecting pieces are reduced, the mechanical property of the deep scarification gun is optimized, the durability of the parts is improved, and the service life of the deep scarification gun is remarkably prolonged.

The invention relates to the technical field of soil remediation, in particular to a soil pollution remediation agent feeding device which comprises a rolling assembly, a plurality of feeding assemblies arranged on the rolling assembly and a connecting assembly used for being connected with an external machine. The rolling assembly is of a cylindrical structure, and a plurality of throwing assemblies are evenly distributed on the outer surface of the rolling assembly. The rolling assembly is connected with an external machine through the connecting assembly; driving force is provided through an external machine to drive the rolling assembly to advance on the ground; the feeding device further comprises a material conveying assembly. The material conveying assembly provides a liquid repairing agent for the rolling assembly with the hollow interior. A passage for conveying a repairing agent is reserved between the rolling assembly and the putting assembly; in the advancing process of the rolling assembly, the putting assembly is inserted into the soil under the gravity effect of the rolling assembly, the output end is kept in an open state, and the putting assembly is used for conveying the liquid remediation agent into the soil to complete agent putting. Remediation agents can be conveniently put into soil, and the working efficiency is improved.

The invention provides a vacuum concealed pipe circulating water salt elimination system which comprises a plurality of concealed pipes which are respectively connected with a water conveying pipe through a water collecting pipe; the concealed pipe comprises a pipe body, and a plurality of water collecting holes are formed in the pipe body; each water collecting pipe is provided with a vacuum negative-pressure drainage device, the water conveying pipe is connected with a salt washing water treatment device, and the water conveying pipe is provided with a water suction pump; a water outlet pipe is further connected to the salt washing water treatment device, and the water outlet pipe is connected with an irrigation leaching water distribution device used for leaching soil; the front end of the electrodialysis treatment unit is connected with a water storage tank, and the rear end of the electrodialysis treatment unit is connected with a fresh water tank. Water and air in soil are pumped out through air pumping of the vacuum pump, negative pressure is formed, and the water drainage speed in the concealed pipe salt drainage process is increased, so that the single-time salt leaching time is shortened, the salt drainage efficiency is greatly improved, the concealed pipe laying investment cost is reduced, water is saved, and water pollution caused by direct drainage of salt washing water is prevented.

The invention provides an arid region saline-alkali soil treatment method which comprises the following steps: step 1, region division: dividing saline-alkali soil into a planting region and a saline-alkali water collection and treatment region; 2, a planting area is constructed, the planting area is composed of an original layer, a first water drainage and salt guide layer, an air permeation prevention layer, a second water drainage and salt guide layer and a planting layer from bottom to top, the air permeation prevention layer can prevent salt from ascending, and the water drainage and salt guide layer can drain saline-alkaline water in soil; and step 3, constructing a saline-alkaline water collection and treatment area, and performing filtration and electro-adsorption salt reduction on the collected saline-alkaline water to realize recycling of the saline-alkaline water. Layered improvement of the planting area is combined with an integrated structure of saline-alkali water collection, ion adsorption and storage, the salt content of soil is reduced, the nutrient content of the soil is increased, and all-round treatment and utilization of'blocking ', 'discharging', 'treating 'and'using' of the saline-alkali water are achieved.

The invention belongs to the technical field of agriculture, and particularly relates to a method for improving thin, thin and hard black land to make nutrients and moisture efficiently utilized, in particular to a method for improving thin, thin and hard black land to make nutrients and moisture efficiently utilized. According to the method for improving the thin, thin and hard black land and improving the efficient utilization of nutrients and moisture of the thin, thin and hard black land, aiming at the characteristics of thin and hard land parcels, wide-narrow-row crop rotation, straw returning to the field and organic fertilizer applying are adopted, straw returning to the field and organic fertilizer applying are adopted to supplement soil organic matter, and a strip ploughing technology is adopted on a machine tool, so that the yield of the soil is increased; soil is not moved in a large area, and a strip tillage machine is only adopted to perform strip tillage operation at the seedling zone to form a seedbed structure with the upper part open and the lower part solid; an intertillage and deep scarification technology is adopted, a deep scarification machine for efficiently utilizing water and fertilizer in a thin and hard black soil area is used, a plow pan is broken, upper water and lower water are communicated, a rat channel component is arranged, a rat channel is formed after deep scarification, a small reservoir and a soil layer are formed below a plough layer, straw is fully returned to the field, organic fertilizer is additionally applied, and soil hardening and water and soil loss are reduced. The organic matter content and activity of the black soil layer are gradually recovered.

The invention discloses a transplanting device and method for fruit tree cultivation, and belongs to the field of fruit tree transplanting. A transplanting device for fruit tree cultivation comprises a cart body and a loading slide way fixed to the top of the cart body, a driving shaft is rotationally connected to the cart body, a pit digging auger is fixedly connected to the bottom end of the driving shaft, the transplanting device further comprises two sets of semi-arc bins, and the two sets of semi-arc bins are rotationally connected to the two sides of the bottom of the cart body respectively; the opening and closing motor is used for controlling the two groups of semi-arc bins to be opened, in cooperation with the repulsion effect between the magnetic plate and the piston plate, firstly, rooting liquid in the liquid storage box is sprayed to the roots of fruit trees, so that the final survival rate of fruit tree transplanting is increased, and secondly, the fruit trees automatically fall into transplanting pits, so that the survival rate of fruit tree transplanting is increased. Meanwhile, the improved soil can automatically fall into the transplanting pit, so that automatic spraying of the rooting liquid and automatic backfilling of the soil are realized, the transplanting steps are simplified, and the transplanting efficiency is greatly improved.

The invention discloses a soil pesticide residue degradation treatment device, and relates to the field of soil treatment, the soil pesticide residue degradation treatment device comprises: a mobile frame, the mobile frame is provided with a placing area and an accommodating cavity; the lifting mechanism comprises a lifting seat and an electric cylinder connected with the lifting seat; the multiple soil loosening and pesticide spraying mechanisms are rotationally installed at the bottom of the lifting base side by side, each soil loosening and pesticide spraying mechanism comprises a rotating disc, a pesticide spraying pipe is fixedly embedded in the middle of each rotating disc, a rotating connector is connected to the top end of each pesticide spraying pipe, and four plate bases surround the pesticide spraying pipes; a plurality of soil loosening assemblies are installed on the side, away from the pesticide spraying pipe, of the plate base from top to bottom at equal intervals. Hardened soil is subjected to crushing and loosening treatment through the multiple soil loosening and pesticide spraying mechanisms, meanwhile, degradation pesticide liquid is sprayed through the multiple soil loosening and pesticide spraying mechanisms, the degradation pesticide liquid can effectively make contact with the loose soil, permeation of the degradation pesticide liquid is facilitated, and the degradation treatment effect is improved.

The invention relates to the technical field of soil remediation, in particular to a biochar-humic acid-calcium alginic acid composite saline-alkali soil modifier and a preparation and application method thereof. The modifier adopts a multi-layer structure design: biochar is pre-adsorbed by calcium chloride, compounded with sodium humate, and then crosslinked with sodium alginate to form a gel to form a composite inner core; secondly, sulfobetaine methacrylate and vinyl phosphonic acid are introduced into a sodium alginate molecular chain through graft polymerization, and modified sodium alginate is obtained to serve as an outer layer coating material; and finally, dipping the composite inner core into the outer layer solution, and carrying out graded recalcification by calcium chloride and short-time treatment by sodium sulfate to obtain a final product. Through the synergistic effect of calcium ion slow release of the inner core and zwitterionic characteristics of the outer layer, efficient replacement and long-term stable regulation and control of soil sodium ions are achieved, the pH value, the conductivity and the alkalization degree of soil are remarkably reduced, the water holding capacity is effectively improved, and the soil conditioner is suitable for sustainable improvement of moderate and severe saline-alkali soil.

The invention discloses a power transmission line engineering soil conditioner spraying mechanism and a spraying method, and the power transmission line engineering soil conditioner spraying mechanism comprises a walking vehicle, an adjusting assembly, a self-stirring structure, a spraying control structure and a spraying assembly. When common soil conditioner spraying equipment sprays dry hardened soil, a conditioner is difficult to fully permeate into the soil and is easy to float on the surface of the soil to cause rapid evaporation, a rotary soil sampling structure and a self-stirring structure are designed, and the soil conditioner can be rapidly evaporated through cooperative use of the rotary soil sampling structure and the self-stirring structure. According to the device, rotary circulating soil cutting can be carried out, meanwhile, soil is automatically stirred while the soil is dug, the effect of automatically scattering and mixing hardened soil is achieved, then a modifier can be fully mixed with the soil, and an extra power source is not needed.

The invention relates to the technical field of slope repairing equipment, and discloses strip mine waste dump slope repairing equipment and a repairing method.The strip mine waste dump slope repairing equipment comprises a rack and a horizontal plate, one end of the horizontal plate is fixedly connected with a spray-seeding gun, the spray-seeding gun is provided with a pushing sleeve and a positioning sleeve, the pushing sleeve is provided with a turbulent flow assembly, and the positioning sleeve is fixedly connected with the rack; a supporting frame is arranged at the position, corresponding to the spray-seeding gun, of the top of the horizontal plate, supporting plates are vertically connected to the two symmetrical outer side walls of the supporting frame in a sliding mode, the upper ends of the supporting plates are matched with the positioning sleeves in a hinged mode, and inclined guide plates are arranged on the two symmetrical inner side walls of the supporting frame. When the spray-seeding gun reduces the angle to spray soil dressing on the slope near the spray-seeding gun and a guide wheel is in contact with a guide plate to drive a push sleeve, a gap at an opening of two spoilers is reduced, and the soil dressing sprayed by the spray-seeding gun is spoiled and is changed into a fan shape from a water column shape, so that the impact force on the slope is reduced, meanwhile, dispersed spraying is realized, the spraying uniformity is improved, and the service life of the spray-seeding gun is prolonged. And material waste can be reduced.

The invention relates to a soil greenhouse gas emission flux detection experiment system, and belongs to the field of air pollution detection. The experimental system is used for detecting soil greenhouse gas emission flux in a potted plant and comprises a gas analysis device, a static camera bellows and a gas collection device, the static camera bellows and the gas collection device correspond to the potted plant, and the static camera bellows is used for collecting greenhouse gas emitted from the potted plant in a closed mode. A greenhouse gas sample in the static camera obscura is collected into the gas analysis device through the gas collection device, and a soil turning mechanism is arranged in the static camera obscura. The experimental system is used for performing pre-experiment on potted plants without applying soil amendments, then applying different soil amendments to the potted plants with consistent detection results, performing formal soil greenhouse gas emission flux detection experiment, and uniformly distributing the soil amendments through the soil turning mechanism, so that experimental errors are reduced, and the experimental efficiency is improved. The detection precision of the greenhouse gas emission flux of the soil under the application of different soil amendments is improved.

The utility model relates to a saline-alkali soil improvement system which comprises a monitoring mechanism, a salt discharging mechanism and an irrigation mechanism, the monitoring mechanism is erected above soil, the salt discharging mechanism and the irrigation mechanism are both buried in the soil, the irrigation mechanism is buried above the salt discharging mechanism, and the irrigation mechanism is communicated with a water and fertilizer integrated tank; the monitoring mechanism comprises a photovoltaic panel and a controller, the photovoltaic panel is in transmission connection with the photosensitive sensor driving motor, the photovoltaic panel is electrically connected with the controller and the irrigation mechanism, and the controller is in communication connection with the irrigation mechanism and the detection equipment. The technical problems that long-term effectiveness and sustainable development are difficult to achieve, water resources are wasted, and soil secondary salinization is caused due to the fact that drainage is not timely are solved.

The utility model provides a saline-alkali land treatment device for circulating irrigation and salt leaching, which comprises a buried pipe and a water collecting tank which are both buried in the land; the sedimentation tank is arranged on the ground, the sedimentation tank is connected with the water collecting tank through a connecting pipe assembly, and a salt-containing water outlet and an overflow port are formed in the sedimentation tank; the irrigation assembly comprises a first irrigation pipe and a second irrigation pipe, and the first irrigation pipe is connected with the salt-containing water outlet; the desalting assembly comprises a water outlet, a heating assembly and a condensing assembly, the heating assembly is communicated with the sedimentation tank through the overflow port, the water outlet is formed in the condensing assembly, the heating assembly heats, evaporates and crystallizes liquid from the sedimentation tank, and formed steam is cooled by the condensing assembly and then becomes liquid which is discharged through the water outlet. The water outlet is connected with the second irrigation pipe. The saline-alkali soil treatment device for circulating irrigation and salt leaching solves the technical problems of high cost and high difficulty in saline-alkali soil treatment in related technologies.

The invention provides a soil remediation modifier, a soil remediation method and a soil maintenance method, and belongs to the technical field of soil remediation. The soil conditioner is prepared from the following raw materials in parts by weight: 40-50 parts of modified sludge, 10-15 parts of humic acid, 5-10 parts of a bioactive component, 10-15 parts of an inorganic component and 10-15 parts of an organic component. The soil remediation agent prepared by the invention not only can increase the total porosity of soil, improve soil water stability granules and soil structure, but also can improve soil fertility, improve soil pH value and passivate heavy metal ions, so that the prepared remediated soil can adapt to plant growth requirements, and meanwhile, the sludge and the traditional Chinese medicine residues are subjected to resource utilization, waste is turned into wealth, and the cost is reduced. Wide application prospects are realized.

The invention relates to the technical field of soil improvement, in particular to a soil improvement device for open pit coal mine reclamation, which comprises an improvement vehicle, and the tail part of the improvement vehicle is provided with a ploughing assembly; the ploughing assembly comprises a connecting rod, the end, away from the improvement vehicle, of the connecting rod is fixedly connected with a shielding plate, the top of the shielding plate is fixedly connected with a first driving part, an output shaft of the first driving part is fixedly connected with a first bevel gear, and the first bevel gear is meshed with a second bevel gear; a plurality of transmission gears are rotationally connected to the bottom of the baffle plate; the bottoms of the transmission gears are fixedly connected with transmission rods, and the transmission rods are fixedly connected with a plurality of ploughing blades. Through the ploughing assembly, the storage assembly, the stirring assembly and the spraying assembly, when the ploughing assembly is used for ploughing the soil, the spraying assembly is used for spraying a modifier into the soil, so that the soil ploughing and the modifier spraying can be synchronously carried out, the soil is fully improved, and the vegetation recovery is promoted.

The invention discloses a green three-dimensional planting system for promoting agricultural economic development in an arid region. The green three-dimensional planting system comprises a climate adaptation module; the weather prediction module is responsible for providing weather change prediction; the crop selection and crop rotation module is responsible for selecting suitable drought-enduring crops and implementing scientific crop rotation; the three-dimensional planting structure module is responsible for designing a reasonable three-dimensional planting framework according to the selected drought-enduring crops; the soil improvement module is responsible for adding an organic fertilizer and a modifier and improving the soil moisture retention capability; according to the invention, through weather prediction information provided by the climate adaptation module, the system can predictively adjust an irrigation strategy, and insufficient or excessive irrigation caused by sudden weather change is avoided. The intelligent irrigation module is combined with a neural network algorithm, the irrigation amount and time are accurately calculated and automatically adjusted according to the real-time meteorological data, the drought-enduring crop characteristics, the three-dimensional planting architecture and the soil improvement condition, accurate control over irrigation is achieved, and the utilization efficiency of water resources is remarkably improved.

The invention discloses a saline-alkali soil improvement liquid spraying device and a saline-alkali soil improvement method, and relates to the technical field of soil improvement. The saline-alkali soil improvement liquid spraying device comprises a frame, a rotary tillage roller, an elevator and a supporting assembly are sequentially installed on the frame from front to back in the moving direction, and the rotary tillage roller turns over surface soil towards the side close to the elevator; the hoister conveys soil at the rotary tillage roller to the supporting assembly; the supporting assembly comprises a first annular plate and a second annular plate, and the first annular plate and the second annular plate are arranged in a staggered mode. When the tool bit rotates to the upper side of the supporting assembly along with the conveying assembly, soil on the supporting assembly can be pushed to fall onto the ground again and cover the surface of inner-layer soil, meanwhile, the improvement liquid covers the interior, the improvement liquid permeates into the surface-layer soil in the evaporation process and cannot be directly volatilized into air, and the utilization rate of the improvement liquid is increased.

The invention relates to the field of agricultural information service, in particular to an agricultural information service system based on agricultural big data, and the system comprises an evaluation module which carries out the nutrition evaluation of to-be-cultivated soil, and supplements the needed nutrient elements; the analysis module is used for dividing the land supplemented with the nutrient elements into a plurality of M * N planting areas for planting crops according to the land supplemented with the nutrient elements, regularly collecting images according to a preset growth period of the planted crops and judging the health condition of the growth form of the crops; and the processing module is used for determining the substandard proportion of the growth form in the planting area according to the health condition of the crop growth form, determining an improved mode according to the substandard proportion and a standard proportion range, generating a growth cycle report and sending the growth cycle report to the display screen through the data interface. The system is reasonably arranged according to the growth form of crops, so that the production benefit is improved.

The invention relates to a solid-liquid mixture particle screening, grading and applying device, and belongs to the technical field of soil treatment. The device comprises a screening box body with an inlet and an outlet, multiple stages of screening mechanisms are sequentially arranged in the box body, and each stage comprises an inclined screening plate and a driving assembly; the sieve plate is linked with the swing connecting rod through the eccentric wheel to achieve digging, transporting and throwing actions, the sizes of meshes are gradually reduced to separate particles with different particle sizes, and oversize materials are conveyed to the independent applying and scattering openings through the corresponding screw rod bins. In the working process of the device, small particles preferentially improve the soil through bottom layer screening, and large particles enhance the wind and sand resistance through the surface application layer, so that the soil fertility improvement and sand stabilization effects are synchronously achieved. Through the optimal design of the swing path of the sieve plate and the precise material conveying of the screw bin, the problem that a solid-liquid mixture is difficult to layer and cover in desertification control is solved, the sorting efficiency and the spreading uniformity are improved, and the device has the characteristics of being compact in structure, reliable in driving and high in applicability, and is suitable for large-scale control of desertification and saline-alkali soil.

The invention relates to the field of agricultural machinery, in particular to multifunctional tea garden weeding, soil loosening and fertilizing integrated mechanical equipment which comprises a mounting frame, a driving module is mounted at the bottom of the mounting frame, a weeding module, a soil loosening module and a fertilizing module are mounted at the top of the mounting frame, and the weeding module comprises a power part which is fixedly connected with the top of the mounting frame; an output shaft of the power part is connected with a roller, the outer side wall of the roller is fixedly connected with a plurality of wave-shaped blades, the soil loosening module is installed in the roller, and an opening is formed in the side wall of the roller and used for loosening tea garden soil based on the centrifugal force effect; the driving module is in signal connection with a controller, the controller is in signal connection with the power piece and the fertilization module, and the controller is used for adjusting the power of the driving module and the rotating speed and the output power of the power piece according to preset terrain information. The method is used for improving the efficiency of weeding, soil loosening and fertilizing operation of the tea garden and enhancing the collaboration of all operation links.