350 results about "Land preparation" patented technology

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.

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 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 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 utility model discloses an intercropping and seeding all-in-one machine, which relates to the technical field of agricultural machinery and comprises a rack, and a soil leveling mechanism, a fertilizing mechanism, a drip irrigation tape laying mechanism, a mulching film laying mechanism, a first soil covering mechanism, a seeding mechanism, a second soil covering mechanism and a pressing mechanism which are sequentially arranged from front to back along a first direction. Through the soil leveling mechanism, the fertilization mechanism, the drip irrigation tape laying mechanism, the mulching film laying mechanism, the first soil covering mechanism, the sowing mechanism, the second soil covering mechanism and the pressing mechanism, the sowing operation of land preparation before sowing, fertilization, drip irrigation tape laying, film laying, sowing, soil covering on a film and complete pressing can be completed at a time. Compared with the traditional sowing operation that multiple machines and tools enter the land repeatedly, the soil can be protected, the operation efficiency is improved, and the operation cost is reduced.

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 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 relates to the technical field of saline-alkali soil planting, in particular to a field moderate-severe saline-alkali soil micro-domain improved furrow alternating sesbania planting method and equipment, and the planting method comprises the following steps: returning coarse powder or whole plants of sesbania in the last season to the field; soil preparation: carrying out rotary tillage treatment on the saline-alkali soil; ridging: ditching and ridging the rotary-tilled saline-alkali soil to form a furrow structure; mulching films are laid on the ridge bodies, and the ridge sides are covered with the mulching films so as to reduce soil moisture evaporation and salt surface accumulation; film side punching and hole sowing are conducted, wherein planting holes are formed in the ridge side mulching film, and sowing is conducted into the soil along the planting holes; the sesbania in the mature period is mechanically smashed and deeply ploughed into the soil, the positions of the ridges and the ditches are replaced, and micro-domain soil improvement is achieved. According to the planting method, a good soil microenvironment is formed through periodic replacement of ridge and ditch positions, the salt content of surface soil is effectively reduced, soil moisture is preserved, the inhibition effect of high salinity on the growth of sesbania is reduced, and therefore normal growth and development of sesbania are guaranteed.

The invention relates to the field of agricultural planting, in particular to a post-ginseng land soil improvement method based on compound bacteria fermentation degradation of allelochemicals. The invention provides a main technological process for improving soil through a fermentation method. The main technological process comprises the steps of land consolidation, ridge forming and pond building, material preparing and feeding and soil-material mixing, zymophyte inoculation and bacterium-material combination, film mulching anaerobic and fermentation monitoring, fermentation completion and post-treatment. The invention also provides a complex microbial inoculant composition capable of achieving the improvement effect, and the complex microbial inoculant composition comprises the following components in parts by weight: 5 parts of straw returning agent, 3 parts of organic fertilizer leavening agent and 1 part of bacillus subtilis agent. According to the method, the improved soil is subjected to long-time anaerobic fermentation in the water stain micro-ecological environment, the organic matter content of the soil can be greatly increased by adding a large number of organic matter materials, the carbon / nitrogen ratio of the soil is increased, the bulk density of the soil is reduced, fertility is comprehensive, sufficient and balanced, and the method is suitable for continuous cropping planting and healthy growth of ginseng.

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 corn planting, in particular to an intercropping high-yield cultivation method for corns of different plant types. Comprising the following steps that 1, base fertilizer is applied after soil preparation, and then semi-compact corn and compact corn are intercropped; (2) applying a water-retaining organic fertilizer to the semi-compact corn in a seedling stage, and simultaneously topdressing the semi-compact corn and the compact corn in a jointing stage, a large horn mouth stage and a flowering and grain stage; (3) harvesting in a mature period. The cultivation method is convenient to operate, mechanical operation can be achieved, large-scale large-area planting and popularization can be achieved, the photosynthetic rate of plants can be increased, the dry matter accumulation amount can be increased, the canopy structure can be optimized, the yield can be increased, the advantages of cost saving, efficiency increasing, ecological environmental protection, yield increasing and efficiency increasing and the like are further achieved, and the cultivation method has important significance on development of the summer corn industry in China.

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 method for preventing and controlling acidification of a sugarcane field and promoting nitrogen fixation of sugarcanes. The method comprises the following steps: preparing soil; a soil conditioner is applied before sugarcane planting, and the soil conditioner is prepared from, by weight, 40-70 parts of waste papermaking pulp, 0.03-0.05 part of fermentation complex microbial inoculants, 10-20 parts of mineral clay, 20-30 parts of organic matter fertilizer, 10-20 parts of inorganic fertilizer and 3-5 parts of pyroligneous liquor; alfalfa and sesbania are interplanted, alfalfa planting rows are formed between sugarcane rows, after alfalfa is sown for 30-40 days, sesbania planting rows are formed between the alfalfa rows, and after alfalfa is sown for 90-110 days, alfalfa and sesbania are turned and pressed into soil; a slow-release water absorbent is applied in the tillering stage and the elongation stage of the sugarcane, and the slow-release water absorbent is prepared from, by weight, 20-30% of polypropylene, 30-40% of shell powder, 20-45% of vermiculite and 5-10% of straw residues. The fertilizer effectively prevents and controls acidification of a sugarcane field, promotes nitrogen fixation of sugarcane, improves soil structure, reduces hardening of acidified soil, improves air permeability of soil, improves microbial activity, reduces poison of aluminum and manganese, improves yield and quality of sugarcane, and promotes nitrogen fixation of sugarcane.

The invention discloses a synergistic planting method for spring green manure-winter wheat crop rotation synergistic soil improvement, and relates to the technical field of crop planting, and the method comprises the following steps: S1, carrying out soil preparation treatment on three test fields in the first ten days of June in the current year, and then dividing areas in the three test fields to respectively sow six green manure crops; s2, in the first ten days of September, the upper portion of the green manure is cut up and evenly spread on the spot, and then green manure stubbles are turned and pressed through a small machine; s3, applying a ternary compound fertilizer as a base fertilizer on October 20th in the same year, and sowing wheat after 3 days; and S4, harvesting the wheat by adopting a harvester in the next year, and performing threshing and warehousing operation. The method has the advantages that the soil fertility is improved by turning and pressing green manure, the saline-alkali soil structure is effectively improved, the yield and quality of winter wheat are effectively improved, and environment friendliness is achieved.

The invention relates to the technical field of agricultural machinery, in particular to a vegetable greenhouse ploughing and soil preparation all-in-one machine which comprises a swing structure, a rotary plough structure and a control system, the swing structure comprises a mounting frame, a main beam, a telescopic structure and a main beam driving structure, the main beam is rotationally mounted on the mounting frame, and the main beam driving structure is arranged between the mounting frame and the main beam; the main beam driving structure is used for driving the main beam to rotate, the telescopic structure is arranged on the main beam, the telescopic structure and the main beam driving structure can work in a matched mode, rotary plough blades transversely plough in a reciprocating mode, soil in a greenhouse can be ploughed only by advancing a tractor for one or two times, frequent back-and-forth turning and reversing are omitted, and the labor intensity of workers is reduced. The structure is not provided with a multi-connecting-rod rocker arm structure, during swinging, the rotary tillage structure linearly reciprocates, no dead angle exists when the rotary tillage structure is used in a greenhouse, obstacles such as stand columns can be avoided, and the rotary tillage structure is very suitable for being used in the vegetable greenhouse.

The invention belongs to the technical field of cortex acanthopanacis planting, and particularly relates to an under-forest cortex acanthopanacis water and fertilizer integrated planting method. The invention relates to an under-forest cortex acanthopanacis water and fertilizer integrated planting method, which comprises the following steps: S1, selecting a low-hill mountain land with the altitude of 200-400m and the gradient of lower than 15 degrees according to the tree age of 3-5 years and the canopy density of 0.25-0.35; s2, drip irrigation pipes are buried after soil preparation, then cortex acanthopanacis cutting slips are cut, clear water is poured thoroughly, and microbial water and fertilizer are dropped through the drip irrigation pipes in the subsequent planting process; wherein the microbial water fertilizer is formed by mixing bacillus safensis fermentation liquor and bacillus megatherium fermentation liquor. According to the method, in the under-forest cortex acanthopanacis integrated planting process, microbial water and fertilizer are subjected to drip irrigation, the prevention and treatment effect on cortex acanthopanacis root diseases can be effectively prevented and improved, and development of under-forest cortex acanthopanacis integrated planting is promoted.

The invention discloses a method for interplanting vicia villosa with ecological balance in an orchard. The method comprises the following steps: (1) selecting the orchard; (2) orchard cleaning and soil preparation; (3) treatment before sowing: soaking the vicia villosa seeds with warm water of 60 DEG C for 10-12 hours until the seeds are broken and germinated; (4) sowing time and sowing quantity: sowing in spring or autumn, wherein the sowing quantity per mu is 2.6-3.4 kg; (5) planting method: deeply ploughing soil, applying barnyard manure and phosphate fertilizer before sowing, controlling the line spacing of drill sowing to be 30-45 cm, and covering soil and pressing after uniformly sowing; (6) water and fertilizer management: watering and fertilizing after sowing, and dressing plant ash or phosphate fertilizer for 1-2 times in the growing period. The method can increase soil nutrients, improve the soil structure, preserve water and fertilizer, reduce the application of chemical fertilizers and pesticides, improve the ecological environment of the orchard, promote the growth of fruit trees, improve the yield and quality of fruits, and enhance the stability and sustainability of the ecological system of the orchard.

The utility model discloses an atractylodes macrocephala planting soil preparation and covering device which comprises a machine frame, a plurality of buffer boxes installed below the machine frame and buffer mechanisms arranged in the buffer boxes and further comprises an earth cutting plate, a rake head and a grinding roller which are installed below the buffer mechanisms. The buffering mechanism comprises an adjusting block, a transverse strip, a lateral moving hydraulic rod, a rubber table, an extension spring A, a push plate, a sliding rod and a side plate, a sliding seat is arranged on one side of the side plate, and the sliding rod is slidably connected to the middle position of the sliding seat; the adjusting block is pushed by the sliding rod to be separated from the transverse strip, under the elastic effect of the extrusion spring, the adjusting block drives the sliding rod to ascend and avoid, and therefore the earth cutting plate, the rake head and the grinding roller are buffered, the earth cutting plate, the rake head and the grinding roller are prevented from colliding with stones and hard soil blocks, and the soil preparation and covering device for atractylodes macrocephala planting is prevented from being damaged; and unnecessary economic loss is avoided.

The invention discloses an efficient afforestation method for precious tree species Machilus zhennan, and relates to the technical field of Machilus zhennan afforestation. The method comprises the following steps: (1) selecting a proper afforestation land parcel, and applying decomposed farmyard manure after land preparation; (2) digging holes for afforestation, wherein the planting density is 120-150 plants per mu; 3, container seedlings are adopted for planting, and transplanting is conducted after pruning and before germination; (4) carrying out tending twice every year in the first three years, and spraying a protective agent in a high-temperature season every year in the first five years; (5) topdressing in the first three years and forest tending are carried out at the same time, topdressing is carried out once in 1-2 years from the fourth year, and pest and disease damage is prevented and controlled by a chemical method during the period. The problem that seedlings in the early stage of afforestation of phoebe zhennan are sensitive to light and easily affected by ultraviolet rays to cause slow growth is solved.

The present invention relates to the field of wheat cultivation technology and discloses a high-yield cultivation method for winter wheat planted in spring. The method comprises screening, land preparation, winter irrigation in November, seed dressing, timely sowing in early to mid-March, topdressing with seedling fertilizer and irrigation during the tillering stage, pest and disease control in the middle and late stages of growth, and timely harvesting. The present invention solves the problem of winter wheat being unable to be planted in Qinghai's spring wheat region due to its inability to undergo normal vernalization and earing maturity by sowing winter wheat in spring wheat areas. This method allows wheat to be produced normally without undergoing vernalization, ultimately achieving a high-yield, low-pest cultivation method.

The invention provides a herba epimedii germination accelerating method and a simplified seedling raising method, and belongs to the technical field of traditional Chinese medicinal material cultivation. The herba epimedii germination accelerating method comprises the following steps: taking herba epimedii seeds, washing the herba epimedii seeds with clear water, soaking the seeds in a 1 wt% diluted hydrochloric acid solution for 25-35 minutes, washing the seeds with clear water again, and airing; the simplified seedling raising method comprises the steps of seed harvesting and storing, germination accelerating according to the germination accelerating method, land selection and preparation, sowing and field management. The germination accelerating period is short, the cost is low, the germination rate of the herba epimedii seeds can be obviously increased, the seedling emergence quality is further improved, and development of the traditional Chinese medicine industry is promoted.

The invention discloses a ficus tikoua bur reasonable cultivation method and popularization and application, relates to the technical field of crop cultivation, and aims to solve the problems that ficus tikoua bur is unstable in root system, afraid of strong light exposure, difficult in seedling identification, low in land utilization rate and the like through reasonable cultivation time planning, soil preparation in September to November, shading cutting seedling raising in August to October and field planting in October to November. The efficient survival of the seedlings is realized by matching with the covering of degradable grass-proof cloth, the precise water and fertilizer management of drip irrigation / micro-spray irrigation and the gradual topdressing; cold-resistant dwarf crops are interplanted in the slow growing period of wild sweet potatoes from November to the beginning of summer of the next year, multiple harvest in one season is achieved, the concentrated harvesting period from June to August is matched with holiday experience type picking, and the rural economy is linked. Meanwhile, stable productivity is guaranteed through unified and standard seedling supply, non-target plant resource treatment and seedling replacement complementary planting, a production area primary processing and rural overall planning and popularization mode is matched, a complete system integrating standardized cultivation, picking experience, industrial popularization and productivity guarantee is formed, and the method is suitable for flat land and hilly land agricultural factories and rural large-scale planting; operation is easy and convenient, the productivity is controllable, and agricultural competent departments can promote standardized and industrial standardized management from the technical level.

The invention belongs to the field of rice fertilization, and discloses a simple and efficient one-time rice fertilization method based on soil available potassium level, which comprises the following steps: measuring the available potassium content of plough layer soil of a target field; selecting a slow mixed fertilizer according to the content of available potassium in plough layer soil: when the content of available potassium is lower than 150mg / kg, selecting a high-potassium-ratio slow mixed fertilizer with the mass percent of K2O not lower than 10%; and when the content of available potassium is higher than or equal to 150mg / kg, selecting a low-potassium-ratio slow-mixing fertilizer with the mass percent of K2O being lower than 10%. Through precise matching of soil potassium with a slow-mixing fertilizer formula and combination of one-time basal application, fine soil preparation, precise ear fertilizer diagnosis and other technologies, synchronous supply of nutrients in the whole growth period of rice is realized, the fertilization frequency is remarkably reduced, the nitrogen fertilizer utilization rate and yield are improved, and the method has the advantages of labor saving, high efficiency and environmental protection.

The invention belongs to the technical field of residual film and stubble recovery, and particularly relates to a rotary tillage land preparation machine for residual film and stubble recovery, which comprises a rack, a cutting rotary tillage mechanism and a walking leveling mechanism are respectively mounted on the front side and the rear side of the rack, and two groups of conveying mechanisms and rolling and sorting mechanisms are mounted between the cutting rotary tillage mechanism and the walking leveling mechanism. A transfer temporary storage mechanism is installed on the machine frame, the cutting rotary tillage mechanism is used for cutting stubbles in soil, the cutting rotary tillage mechanism is further used for conducting rotary tillage on the soil and throwing the soil subjected to rotary tillage onto the conveying mechanism, and the conveying mechanism is used for conveying the soil into the rolling and sorting mechanism. Through cooperation of the conveying mechanism and the rolling and sorting mechanism, soil blocks of different sizes can be crushed, so that separation of the soil blocks and residual films is promoted, in addition, stones and stubbles in a soil layer can be separated out and separated and collected together with the residual films, and soil is more suitable for planting.

The application provides a variable fertilization control system and method, the fertilization control system takes a precision fertilization combined land preparation machine as a carrier, uses a Beidou satellite navigation system to obtain an advancing speed and uses a depth sensor to obtain a position height of the precision fertilization combined land preparation machine, a fertilization controller takes an STM32 single-chip microcomputer as a control core, controls a fertilizer discharging motor to be at a corresponding rotating speed, and realizes variable fertilization operation. Before operation, navigation debugging and input of project parameter of a variable fertilization control program in a vehicle-mounted display terminal are completed; during operation, when a field U-turn is encountered, a position height of the precision fertilization combined land preparation machine is changed after a tractor lifting and suspension, and then on-off of the fertilizer discharging motor can be controlled, fertilizer waste is reduced, and manual participation is reduced. The variable fertilization system has high practical value, is simple to operate, solves problems of low field fertilization work efficiency, difficult fertilization control and the like, and achieves the purposes of reducing investment, improving efficiency and increasing crop yield.

The invention discloses a method for ecological construction of a tea garden by using desmodium triflorum. The method comprises the steps of land selection and preparation, seed treatment, sowing and management after planting. By reasonably introducing the desmodium triflorum, growth of weeds in the tea garden can be effectively inhibited, soil fertility is improved, tea quality is improved, ecological stability is enhanced, and compared with a traditional tea garden management mode, the method has the advantages of being environmentally friendly, efficient and low in cost.

The invention discloses a high-yield cultivation method for zanthoxylum armatum in a stony desertification area, and belongs to the technical field of economic forest cultivation. The invention discloses a high-yield cultivation method for zanthoxylum armatum in a stony desertification area. The method comprises the steps of soil preparation and pond digging, field planting, fertilization, fruiting branch culture, growth regulation, pest control, irrigation, harvesting and pruning, and garden cleaning and overwintering. According to the high-yield cultivation method for zanthoxylum armatum in the stony desertification area, zanthoxylum armatum is planted in the stony desertification area, soil and fertilizer conservation can be conducted on the land on the basis of ecological restoration, the scientific management level of farmer households can be improved, economic development of the area is promoted, and the ecological environment is protected.