699 results about "Soil preparation" patented technology

The invention relates to the technical field of organic fertilizers and planting of watermelons and muskmelons, and provides a special fertilizer for milk irrigated watermelons and muskmelons and a double-stubble planting method for sweetness enhancement of milk irrigated watermelons and muskmelons. The special fertilizer for the milk irrigated watermelons and muskmelons comprises black goat manure, sophora alopecuroide, sesame seed meal, bran, organic fresh milk, brown sugar and zymophyte. The black goat manure is pulverized into powder by a pulverizer, the sophora alopecuroide is pulverizedinto 1 cm to 2 cm, and the ratio of the black goat manure, the sophora alopecuroide, the sesame seed meal, the brans, the organic fresh milk, the brown sugar and the zymophyte is 2700-3200: 80: 50: 150: 5: 1. The double-stubble planting method for sweetness enhancement of the milk irrigated watermelons and muskmelons comprises the following steps: selection of a nursery seedling plate and soil, cleaning and germination accelerating of seeds, soil preparation, transplanting, irrigation, topdressing, shaping and forking of watermelon and muskmelon vines and fruit bearing of the watermelons and the muskmelons. The problems that in an existing watermelon and muskmelon planting process, soil nutrients are damaged due to the fact that chemical fertilizers are used for a long time, and the sweetness of melons is reduced are solved.

The invention discloses a shallow hidden fire area radon gas in-situ tracing accurate identification and definition prevention and control system, belongs to the technical field of mine fire prevention and control, and aims to construct a dynamic monitoring, accurate delineation and targeted plugging multi-cooperation closed-loop governance chain and an in-situ radon detection and identification monitoring unit. Drilling, cup burying and sampling integrated operation is completed, and a radon gas concentration abnormal signal is monitored in real time; the radon measurement magnetic method fire area precise delineation unit is used for quantitatively delineating a fire source prevention and control area in a grading manner by fusing a radon gas magnetic field two-parameter ring type measurement network layout and combining an intersection and union set abnormal area division method and a comprehensive abnormal index threshold value method; according to the earth surface crack self-adaption blocking treatment unit, a dynamic shoveling solidified slurry precise blocking device is adopted, and efficient treatment of the shallow buried coal seam hidden fire area is achieved by separating an earth surface and an underground air leakage channel through bucket prepared soil screening and conveying, instant slurry preparation through a synthesis system, directional slurry spraying through a blocking mechanism and crawler belt ballasting dense blocking.

The invention discloses forestry land preparation equipment, and relates to the technical field of forestry protection, the forestry land preparation equipment comprises a cockpit, an obstacle removing assembly and a land preparation assembly, the horizontal longitudinal two sides of the bottom end of the cockpit are fixedly connected with first cross beams, and the bottom ends of the first cross beams are fixedly connected with second cross beams; the two horizontal transverse sides of the second cross beams penetrate through and are jointly and rotationally connected with a driving shaft, advancing wheels are arranged at the two ends of the driving shaft, and limiting grooves facing the outer side of the device are formed in one ends of the two first cross beams. By arranging the obstacle clearing assembly, obstacle clearing operation is conducted on the ground before soil preparation operation, the obstacle clearing capacity is adaptive to complex conditions of the ground, and then the working efficiency of the device is effectively improved; by arranging the adjusting mechanism, the inclination angle of the lifting mechanism can be freely adjusted, and then horizontal soil preparation operation on the ground with different gradients is achieved; a lifting mechanism is arranged, soil preparation operation is synchronously completed along with advancing of the device, and the soil preparation effect can be freely controlled according to the ground condition.

A rear module, as illustrated with tanks, seed blowers, and transfer pump for fertilizer is mounted on the existing design frame, axle, and steering system; but it is a separate, distinct module. The planting module and the harvesting module must be disconnected from the common front module power unit and switched for planting row crops or harvesting. The harvesting configuration can have an attachment to the header to seed non row crops, such as, a cover crop like rye or canola Such rear module can be the rear unit of an articulated vehicle, such as a harvester.

The invention relates to the technical field of soil fertilization, in particular to a plain area dry farmland thick and fertile plough layer construction and productivity improvement method which comprises the following steps: in the first year, after corn is harvested, smashing straws, turning and burying the straws and returning the straws to the field, and in the next year, performing soil preparation and sowing by adopting flat-planting wide-narrow-row planting or ridge-planting uniform-row planting; in the second year, after the corn is harvested, the whole straw or smashed straw covers and returns to the field, straw row-collecting no-tillage sowing is carried out in the next year, and flat-cropping wide-narrow row planting is adopted for sowing; in the third year, after the corn is harvested, the whole straw or smashed straw covers and returns to the field, straw row-collecting no-tillage sowing is carried out in the next year, and flat-cropping wide-narrow row planting is adopted for sowing. Through the implementation of the technical method, the thickness of a plough layer of the dry farmland in the plain area is increased by 13-15 cm, the nitrogen fertilizer utilization rate is increased by 10%-15%, and the soil fertility level is increased by 0.5-1 grade.

The invention relates to the technical field of crop straw treatment and soil improvement, in particular to a rice straw returning method for improving soil fertility, which mainly comprises the following steps: crushing rice straws, soaking with a sodium hydroxide solution, and drying; then selecting specific strains, mixing and fermenting to prepare a microbial agent; preparing a composite additive in proportion; within 1-2 days after the rice is harvested, the pretreated straw, the microbial agent and the composite additive are applied to the field, deep ploughing is conducted, and irrigation is conducted; and finally, performing rotary tillage and soil preparation after straw decomposition, and monitoring and adjusting the pH value of the soil when next-stubble crops are planted. According to the method, straw is pretreated, lignin is destroyed through a sodium hydroxide solution, the particle size is accurately controlled, drying is conducted in cooperation, the microbial decomposition efficiency is improved, straw and soil are fully mixed through accurate ploughing in the field, decomposition is accelerated into nutrients, the straw can be powerfully decomposed through a microbial agent, and the soil micro-ecology is improved; the composite additive supplements various nutrients and enhances the water and fertilizer retention capability of soil.

The invention provides solid-waste-based high-strength fluid-state solidified soil and a preparation method, and relates to the technical field of fluid-state solidified soil preparation, and the solid-waste-based high-strength fluid-state solidified soil comprises, by mass, 40-60 parts of waste residue soil, 10-20 parts of III-type recycled aggregate, 1-10 parts of recycled micro powder, and 10-35 parts of a composite curing agent. The method has the beneficial effects that a material system with excellent stability is constructed by integrating the III-type recycled aggregate, the recycled micro powder and the industrial solid waste, and the material system is scientific in proportion, reliable in process and capable of effectively meeting the technical requirements of various engineering scenes on the high-strength flow-state solidified soil.

The invention discloses a high-yield cultivation method for enhancing the stress resistance of camellia oleifera. The method comprises the following steps: selecting acidic red soil with the soil layer thickness of not less than 1m, performing deep tillage and soil preparation, and performing field planting on Guilin camellia chekiangoleosa and other excellent varieties; farmyard manure and special compound fertilizer are applied in the planting year; in the second year, applying fertilizers in stages after spring shoots, flowering and fruit picking, and irrigating by micro-spraying belts; from the third year, fertilization is carried out in the spring shoot starting period, before flowering and after fruit picking, and annular furrow fertilization and humidity control irrigation are matched; weeding, pruning and bud picking in spring and autumn every year to improve the stress resistance and stable yield capability of camellia oleifera; according to the method, an excellent camellia oleifera variety with high stress resistance is selected, the root system environment is optimized in combination with acid soil deep ploughing and fertilization, hormone compound fertilizer is applied in stages and is matched with micro-spraying belt irrigation, and accurate regulation and control of water and fertilizer can be achieved; the survival rate, the stress resistance and the yield stability of the camellia oleifera under the adverse conditions of drought, high temperature, diseases and pests and the like can be comprehensively improved.

The present invention discloses an ecological garden engineering land preparation device and a land preparation method, which includes a vehicle frame. A crushing cylinder is fixed on the vehicle frame. A feeding hopper is arranged above the crushing cylinder. A turning door is hinged below the crushing cylinder. The lower part of the turning door is hinged to a crushing rod. A crushing knife is fixed at the bottom of the crushing rod. A horizontal conveying cylinder and an inclined conveying cylinder are fixed on the vehicle frame at the front side of the crushing cylinder. A tooth harrow is fixed at the bottom of the rear side of the inclined conveying cylinder. A crushing knife and a suction fan are arranged inside the crushing cylinder. A tip is fixed on the crushing rod. The bottom of the horizontal conveying cylinder is connected to a rotary tiller through a lifting rod. A leveling plate is arranged at the rear wheel; by providing a crushing cylinder, a horizontal conveying pipe, an inclined conveying pipe, a tooth harrow, a crushing knife, a suction fan, a feeding hopper, a turning door, a crushing rod, a transition cylinder, a rotary tiller, and a flow channel and a nozzle are arranged inside the crushing rod. The grass stems are collected before plowing the land, which not only avoids the grass stems being wound around the rotary tiller and affecting the effect of the rotary tiller, but also can crush and mix the grass stems and fertilizers at the same time, with strong functionality and simplified land preparation process.

The invention discloses a method for inducing infiltration of root systems of sandy vegetation. The method comprises the steps of land selection and preparation, pit digging, vegetation selection, arrangement of a PVC pipe water applying system, vegetation planting and backfilling and layered water control operation. According to the method, PVC pipes with water seepage holes with different depths are arranged near the root system of vegetation, a self-descending and lifting piston structure of a water-absorbing expansion cylindrical block and a depth-keeping hook-hanging ring chain is adopted in the pipes for the first time, and the distance between the water seepage holes, the length of a rope section and the size of a hanging ring are accurately calculated, so that it is guaranteed that the distance between the water seepage holes and the rope section is accurately calculated at each stage; water can only seep from the water seepage holes with the specific target depth, the root system is guided to follow a water signal to be deeply pricked downwards continuously, a deep and developed root system is formed, accurate layered water control and root system directional induction are achieved, the drought resistance and wind falling resistance of vegetation are greatly enhanced, the water consumption is low, the vegetation survival rate is high, and the growth vigor is good; the depth-keeping water applying system serves as a multifunctional and permanent ecological restoration unit and further has the functions of soil ventilation, humidification and self-cleaning.

The invention discloses an agricultural tillage land preparation machine which comprises a tractor body and a driving wheel, a rotary tillage assembly used for conducting rotary tillage on the ground is fixedly connected to the rear portion of the tractor body through a suspension device capable of being rotationally adjusted, and bearing wheels capable of keeping tightly attached to the ground are arranged below the tractor body. The detection assembly is used for detecting whether the height difference between the driving wheel and the bearing wheel changes or not. According to the invention, the bearing wheel is attached to the ground and cooperates with the detection assembly to detect the height difference between the bearing wheel and the driving wheel, so that the rotary tillage assembly can adjust the rotary tillage depth according to the soil height or humidity change, and the height between the rotary tillage assembly and the ground is adjusted according to the height difference change between the driving wheel and the bearing wheel; the rotary tillage depth of the rotary tillage assembly on the land is kept consistent, and the situation that the fertilizer is too close to or too far away from the seeds, and consequently the seeds are poor in development or die is avoided.

The invention provides a method for planting winter wheat in saline-alkali soil, which belongs to the technical field of wheat planting, and comprises the following steps: S1, rotary tillage and soil preparation: carrying out rotary tillage at the depth of 25-30cm 30-40 days before sowing, doping foreign soil, and applying straw and gypsum; s2, seed treatment: selecting saline-alkaline tolerant wheat seeds, soaking the wheat seeds in a liquid medicine, and soaking the wheat seeds in the liquid medicine; s3, ridging operation: high ridges with the ridge height of 15-20 cm, the ridge surface width of 40-50 cm and the ridge spacing of 25-30 cm are constructed; s4, sowing in line on ridges: sowing the wheat seeds treated in the step S2 on the ridges in line, wherein the sowing depth is 2-3cm; s5, film mulching operation, wherein the ridges are covered with mulching films of a double-film structure, and the film edges of the mulching films are sealed with humic acid slurry; s6, field management: uncovering the film and supplementing seedlings in the seedling stage, and drip irrigation and topdressing under the film in the growth stage. According to the saline-alkali soil winter wheat planting method provided by the invention, the wheat emergence rate can be remarkably increased by constructing a low-salt micro-domain environment.

The invention relates to the technical field of crop cultivation, in particular to a red bean plastic film mulching water-saving and fertilizer-retaining cultivation method, and aims to solve the problems that the integrity of an existing plastic film is damaged, the utilization efficiency of water and fertilizer is low, and the labor intensity of field management is high. The cultivation method is characterized by comprising the steps of soil preparation and bedding, base fertilizer application, laying of a drip irrigation belt below the center line of a ridge body, laying of a mulching film with prefabricated holes, accurate guiding of red bean seeds into the holes of the mulching film through a precision seeder, water and fertilizer integrated accurate management in the whole process, and prevention and control of diseases, weeds and weeds in combination with green prevention and control measures. By adopting the technical scheme, the utilization efficiency of water resources and fertilizers can be remarkably improved, stable performance of the mulching film is ensured, the labor intensity is reduced, and the effects of saving water, retaining fertilizers, saving labor, increasing yield and protecting environment are achieved.

The invention provides an efficient breeding method of cremastra appendiculata, and relates to the technical field of cremastra appendiculata breeding. The efficient breeding method comprises the steps of soil preparation and land selection, strain laying, wood laying, gap filling, seed dressing, sowing, shading and management. According to the method, the specific method is adjusted, humus soil containing a compound microbial agent is adopted to fill gaps among wood, then sowing is conducted, the germination rate of seeds is increased, sawdust, perlite, coco coir, decomposed organic fertilizer, bamboo charcoal powder and pyroligneous liquor are used for seed dressing before sowing, the air permeability of a matrix is improved, seeds are prevented from being rotten due to accumulated water, and breeding of pathogenic bacteria is inhibited; the water-retaining property of the substrate is increased; and symbiotic bacteria planting and seed metabolism are promoted. The foliar fertilizer containing the garlic extracting solution, the onion leaching solution, the monopotassium phosphate, the boric acid and the urea is adopted, elements needed by growth of the rhododendron simsii are provided, the strong insecticidal and bactericidal effects are achieved, and therefore the incidence rate of diseases and pests is reduced, and the seedling survival rate and the breeding efficiency of the rhododendron simsii are improved.

The invention discloses a precision seeder for small-grain crops, which belongs to the technical field of agricultural machinery and comprises a frame fan system, a ditching and soil preparation system, a seed metering system, an opening fertilizer discharging system and a base fertilizer discharging system, a seed metering device in the seed metering system comprises a base, a seed metering component and a seed stirring component, and the seed metering component and the seed stirring component are positioned in the base. The seed metering assembly comprises a seed metering shaft, blank wheels and seed metering wheels, the blank wheels and the seed metering wheels are arranged on the seed metering shaft in a sleeving mode, each blank wheel and each seed metering wheel are each sleeved with a set of seed protection silica gel, and the outer ring of each seed protection silica gel is provided with a seed protection body meshed with the corresponding seed protection silica gel; a first spacing adjusting assembly is arranged below the seed discharging pipe and the outlet fertilizer discharging pipe, a second spacing adjusting assembly is correspondingly arranged below each base fertilizer discharging system, and the spacing of the base fertilizer discharging pipe of each base fertilizer discharging system is adjusted through the second spacing adjusting assembly. According to the seeder, the seeding stability and precision can be ensured through the seeding device, meanwhile, the seeding spacing is convenient to adjust, and the seeder can meet different seeding requirements.

The invention provides a method for repairing degraded moso bamboo forest soil. The method comprises the following steps: selecting a degraded moso bamboo forest; the moso bamboo forest is divided into a plurality of strip-shaped areas according to a high-density-low-density classification mode, and high-density areas and low-density areas which are distributed alternately are formed; the moso bamboo forest is subjected to strip-shaped thinning treatment, strip-shaped areas are divided according to a high-density-low-density classification mode, and moso bamboos of different growth ages are subjected to thinning according to a certain proportion; performing soil preparation treatment on the moso bamboo forest after thinning; planting nitrogen-fixing plants in the soil under the moso bamboo forest; and treating the soil under the moso bamboo forest by using a soil conditioner. According to the method for restoring the degraded moso bamboo forest soil, arbor layer-under-forest-soil integrated restoration is achieved, systematic improvement is conducted on multiple links of thinning, nitrogen fixation and fertilization, the content of N in the soil and the content of organic matter in the soil are increased, and the diameter at breast height of new bamboo is increased.

A cultivation box for improving drought resistance of peanut seeds comprises a cultivation frame, a plurality of same cultivation chambers are arranged on the cultivation frame, cultivation boxes are detachably connected into the cultivation chambers, a bottom containing box is arranged at the bottom of the cultivation frame, and an electric control box, a soil preparation box and a water tank are arranged in the bottom containing box. According to the cultivation box capable of improving the drought resistance of the peanut seeds, the multiple independent cultivation boxes are arranged in an integrated mode, multiple sets of cultivation experiments can be conducted at a time, the equipment cost is low, the occupied area is small, the cultivation boxes and the cultivation chambers are independently arranged and do not interfere with each other, and the cultivation box is convenient to use. The growth environment of each group of peanut seed cultivation samples can be independently adjusted, a good contrast effect is achieved, good drought resistance of cultivated peanut seeds is achieved, soil used in a cultivation experiment can be subjected to unified treatment through the arrangement of the soil preparation box, the influence of external factors on the cultivation experiment is reduced, and the cultivation experiment efficiency is improved. And the cultivation accuracy is improved.

The utility model relates to an electrically-driven self-excited vibration subsoiling resistance reduction device, which is used for plowing and soil preparation subsoiling operation, and comprises a subsoiling component, a pressing and crushing component, a rack and a self-excited vibration component, the rack is fixedly arranged on a traction beam, the electrically-driven self-excited vibration component is assembled above the rack, the subsoiling component is assembled below the rack, and the self-excited vibration component is assembled below the rack. The pressing and soil crushing component is assembled in the middle of the deep scarification component below the rack; an electric excitation source deep scarification device is designed, the adaptive capacity of an excitation source to different soil working environments is improved, the problems of large traction resistance, high energy consumption and the like in the deep scarification operation process are solved, forced deep scarification is changed into resistance reduction vibration deep scarification, single deep scarification is changed into deep scarification and crushed soil pressing, and the soil penetrating angle of a deep scarification shovel can be adjusted according to soil conditions. The subsoiler can well adapt to subsoiling operation, can press and level soil after subsoiling to a certain degree, further cut and smash the soil, enables the soil after operation to be looser, stores water, preserves soil moisture, avoids environmental hazards such as flying dust and the like, and has the advantages of being simple in structure, convenient to install, flexible in movement, simple and efficient in transmission, easy to popularize and the like.

The utility model discloses a soil preparation and fertilization device for planting corn. The device comprises a side cutter shell assembly, a soil loosening and fertilization device assembly and a ridge-shaped shaping assembly, the soil preparation and fertilization device for planting corn is designed, two times of ploughing operation including ditching and fertilization and ploughing and halving which are originally needed are integrated into a one-time soil preparation process, so that the soil preparation process is greatly simplified, the soil loosening and fertilization device unit is designed in the device, fertilization is directly carried out after a rotary knife rotates the soil, the application depth of base fertilizer can be accurately controlled, and the soil preparation efficiency is improved. The design of the ridge-shaped shaping units enables half-buckled soil to be fine and free of large soil blocks, so that corn seeding is facilitated, the seeding quality is improved, and the device can keep a root-soil complex formed by stubbles and soil in the last year upright without inclination in the soil preparation process, so that the soil preparation efficiency is improved. And the soil fixation and corrosion reduction effects are exerted to the greatest extent.

The invention belongs to the technical field of salix psammophila sand barrier laying, and particularly relates to an automatic degradable nylon net sand barrier combined mechanical salix psammophila sand barrier laying machine which comprises a vehicle body, salix psammophila strip finished products, a partition wall, a containing groove, a pushing structure, an avoiding type downward pressing structure, a reciprocating type net distributing structure and a net clamping assembly. A plurality of finished salix psammophila strips can be quickly inserted into sand land through an arranged receding type downward pressing structure, planting efficiency is high, planting grooves do not need to be dug manually, meanwhile, nylon nets can be attached to the finished salix psammophila strips in an S shape through an arranged reciprocating net distribution structure, and by attaching the nylon nets to the finished salix psammophila strips in an S shape, the yield of the finished salix psammophila strips is improved. The whole stability of the salix psammophila strip finished products is improved, local collapse of the salix psammophila strip finished products is avoided, meanwhile, gaps between every two adjacent salix psammophila strip finished products can be sealed through the nylon nets, the meshes of the nylon nets can disperse and weaken the impact force of wind and sand on the salix psammophila strip finished products, wind erosion to soil is reduced, and soil preparation and treatment are conducted on sand land.

The invention relates to the technical field of soil preparation and fertilization agricultural machinery, in particular to an intelligent centralized supply fertilization soil preparation machine and a using method.The intelligent centralized supply fertilization soil preparation machine comprises a fertilizer box, the fertilizer box is provided with a fertilization assembly, and the fertilization assembly comprises a fertilizer distribution amount adjusting mechanism and a centralized air conveying mechanism; the fertilizer distribution amount adjusting mechanism is used for adjusting the fertilizer output from the fertilizer box, and the centralized air conveying mechanism is used for conveying the fertilizer subjected to fertilizer distribution; the stubble cleaning and soil crushing assembly is used for crushing obstacles in front of the advancing direction; the soil loosening and fertilizing assembly comprises a shallow loosening and fertilizing mechanism and a deep loosening and fertilizing mechanism; the vibration anti-blocking assembly comprises a vibration energy conversion mechanism and a high-frequency vibration mechanism; the backfilling assembly comprises a soil moisture filling mechanism and a pressing mechanism; the system has the advantages of being intelligent, multifunctional and high in reliability, and the comprehensive efficiency and quality of fertilization and soil preparation work are effectively improved.

The invention discloses a water and fertilizer regulation method for realizing a saline-alkali soil plough layer soil fertilizer salt domain and application thereof, and relates to the technical field of crop water and fertilizer. The method comprises the following steps that S1, winter and spring irrigation is not carried out, and ploughing, soil preparation and sealing are carried out in the middle ten days of April; s2, a planting mode is set, film mulching, tape laying and sowing are carried out at the same time, precision sowing is carried out, one seed is planted in one hole, and an early-maturing cotton variety is used; s3, after sowing, setting irrigation quota, fertilization amount and fertilization time, and performing irrigation and fertilization by using under-film drip irrigation water and fertilizer integration; s4, marking the cotton; s5, measuring the cotton field soil index and the cotton yield. According to the method, the dynamic characteristic of salt along with water and the under-mulch drip irrigation water and fertilizer integration technology are utilized, the spatial distribution characteristics of water, fertilizer and salt in a soil plough layer are changed by reasonably regulating and controlling the irrigation quota, the fertilization proportion and the fertilization time, and tests prove that the water and fertilizer regulation and control strategy can effectively reduce the salt in the plough layer, increase water and nutrients and improve the yield of the plough layer. And crop growth and yield formation are promoted.

The utility model provides a land preparation machine for garden flower border construction, which belongs to the technical field of garden construction equipment and comprises a bearing plate, a U-shaped metal arm grip is arranged on one side of the bearing plate, a driver and an openable baffle are arranged on the upper end face of the bearing plate, and a soil cutting knife component is arranged below the openable baffle. The driver drives the earth cutting knife assembly to rotate through the transmission device; a containing box used for containing nutrient soil and fertilizer is arranged above the baffle capable of being opened and closed. The accelerator and the baffle switch are arranged on the U-shaped metal arm grip, the accelerator is connected with the driver, and the baffle switch is connected with the openable baffle; the soil preparation machine can effectively mix nutrient soil, fertilizer and soil in the working process, the soil improvement efficiency is greatly improved, and extra mixing operation time and cost are saved.

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 a sponge soil forming agent, sponge soil and a sponge soil preparation method. Belongs to the technical field of ecological environment construction, and particularly relates to soil improvement under the scenes of mine restoration, slope protection and greening, desertification control and the like. The sponge soil forming agent is prepared from the following materials in parts by weight: 20-50 parts of an organic polymer material, 20-40 parts of a foaming agent, 10-30 parts of a cross-linking agent, 1-40 parts of a toughening agent, 10-30 parts of a pH regulator and 0.5-2 parts of a surfactant. The spongy soil prepared on the basis of the technology has a highly-crosslinked and interpenetrating spongy three-dimensional porous structure and an adhesive characteristic, has high water retention, air permeability and rain wash resistance, and can absorb and store a large amount of water. On one hand, water can be conserved, the soil stability and erosion resistance are enhanced, and the risks of soil hardening and water and soil loss are effectively reduced; on the other hand, sufficient oxygen can be provided for plant roots, respiration and growth and development of the roots are facilitated, and restoration and improvement of the ecological environment are assisted.

The invention discloses a temperature difference thermal driving superficial water circulation saline-alkali land salt reducing method, which comprises the following steps: firstly, preparing the land, turning over and leveling the target land, discarding non-agricultural soil substances in the soil, then ridging and furrowing until the ridge height is 10cm, adjusting the moisture content, and then covering the ridge surface with a transparent plastic film to form a coverage area of the ridge surface and exposed furrows to make A / Bgt; (E-D) / D, A is the width of the coverage area, B is the width of the furrows, D is the precipitation amount, and E is the evaporation amount. According to the technical scheme, discharged high-salinity water is not generated, and pollution to surrounding water and soil is avoided; no extra chemical substance is added, the soil ecological system is prevented from being polluted and damaged, the soil ecological environment is practically protected, and the sustainable agricultural development concept is met. And the implementation process is relatively simple, a large amount of capital investment is not needed, the cost is low, and good popularization and application prospects are achieved.

The invention relates to the technical field of soil improvement, and provides a method for efficiently utilizing saline-alkali land along the Yellow River district, which comprises the following steps: S1, preparing soil by a powder ridge machine when the saline-alkali land is dry, vertically penetrating into the soil through a spiral bit of the powder ridge machine, stopping descending of the spiral bit when an anti-electric conduction distance exists between the spiral bit and the top of an underground water level layer, and stopping descending of the spiral bit at an initial stage; transversely cutting the soil at a high speed of 26-35R / min for 3-5 minutes by using a spiral drill bit of the powder ridge machine, so that the spiral drill bit is negatively charged; s2, deep scarification and deep ploughing of the saline-alkali soil are conducted by the spiral drill bit at the low speed of 9-15 R / min; in the deep scarification and deep tillage process, electronegative composite microbial particle bacterial manure and electronegative enhanced super absorbent resin are sprayed, and a negative charge modified soil layer and a positive charge blocking layer are formed. The salt content of the soil is reduced by at least 0.1-0.3%, the pH value of the soil is reduced by 0.5-1, and the organic matter of the soil is increased by more than 0.05-0.1% at low cost and high efficiency.

The invention belongs to the technical field of crop planting, and provides a mushroom crop efficient planting method, which comprises the following steps: 1, land planning: selecting a soil position with sufficient shading and sufficient water supply, and preferably selecting a fruit forest land, a commodity forest land, a nut forest land and an arbor tea tree land; step 2, land preparation: selecting a target open space with the width of 0.8-1.2 m along the wind direction by utilizing the line spacing of fruit trees; carrying out soil preparation, chemical disinfection and physical disinfection on the soil; the problem that bacteria and microorganisms in soil affect the mushroom sticks is avoided, meanwhile, when the mushroom sticks are cultivated and planted, the soil at the planting position of the mushroom sticks is subjected to multiple times of sterilization treatment, the mushroom sticks are covered with protective films for protection, in addition, the soil outside the mushroom sticks is subjected to biological disinfection treatment, and therefore the mushroom sticks are protected. Therefore, the influence of other organisms in the soil on the cultivation and growth of the mushroom sticks is avoided, and the purpose of excellent cultivation and growth of the mushroom sticks is achieved.

The invention relates to the technical field of land preparation machines, in particular to a multifunctional combined land preparation machine which comprises a rotary tillage part, a deep scarification part, a pressing part and an adjusting part. The rotary tillage part is mounted on the vehicle and is driven by a power output shaft of the vehicle to perform rotary tillage operation; the deep scarification part is hinged to the front end of the rotary tillage part in the working direction and used for soil deep scarification; the pressing part is hinged to the rear end of the rotary tillage part in the working direction and conducts soil pressing through the gravity of the pressing part. The adjusting parts are arranged between the rotary tillage part and the deep scarification part and between the rotary tillage part and the pressing part; the device has the beneficial effects that through adjustment control of the adjusting part, cooperative adjustment of the working depths of the three working parts is achieved. When the rotary tillage depth needs to be increased, the position of the rotary tillage part can be properly lowered through the adjusting part; similarly, the deep scarification depth can be changed by adjusting the relative height of the deep scarification part and the rotary tillage part, and the pressing strength can be controlled by adjusting the relative position of the pressing part and the rotary tillage part.

The invention discloses a Yunnan angelica sinensis and white kidney bean intercropping ecological planting method. The method comprises the following steps: (1) seed selection; (2) land selection; (3) soil preparation; (4) compartment arrangement and film covering; (5) sowing and transplanting; (6) field management: a, intertilling and weeding; b, thinning and final singling; c, erecting a frame to guide vines; d, topdressing; e, pipe drainage; (7) pest control; (8) harvesting. The angelica sinensis direct seeding and transplanting and white kidney bean ecological intercropping technology is provided, the economic benefit of the unit land area of the northwest Yunnan high mountain area is improved, leguminous plants have the nitrogen fixation effect, soil improvement is facilitated, the soil ecological environment quality is improved, sustainable utilization of the agricultural environment of the angelica sinensis genuine production area can be achieved, and the economic benefit is increased. The high-quality development of the traditional Chinese medicinal material industry is facilitated.