46 results about "Sheet mulching" patented technology

The utility model discloses an agricultural plastic film mulching device and relates to the field of agricultural machinery. The agricultural mulching film mulching device is composed of a frame body, a telescopic frame, a mulching film roll tensioning device, a supporting frame and a U-shaped groove. The telescopic frames are inserted into the bottom beam, the distance between the telescopic frames is adjusted according to the width of the mulching film roll, the mulching film roll is arranged on the conical rotating block in a sleeving mode, and the telescopic frames and the bottom beam are fixed. When the mulching film is covered, one end of the mulching film on the mulching film roll is buried and fixed, and the handle II is manually pulled upwards, so that the film pressing plate moves upwards to break away from extrusion on the mulching film roll; when the device is manually dragged, the frame wheel rotates, and the mulching film roll and the conical rotating block synchronously rotate. When covering is stopped, the handle II is loosened, and the film pressing plate downwards extrudes the mulching film roll through contraction of the spring I, so that the mulching film roll stops rotating. During paddy field operation, the telescopic frame is sleeved with a U-shaped groove. The device is suitable for being used in different scenes of dry land and paddy field.

The utility model relates to a thin film and drip irrigation tape laying integrated device capable of being conveniently matched with a rotary cultivator to work, and belongs to the field of agricultural planting equipment. The device mainly comprises a supporting frame, a pneumatic telescopic rod, a connecting frame, a damping mechanism, a film covering mechanism, a walking mechanism and a drip irrigation belt mounting mechanism. The film and drip irrigation tape laying integrated device can be conveniently matched with the rotary cultivator to work, film mulching and drip irrigation tape laying can be achieved while the rotary cultivator is used for ploughing, and the situation that the soil moisture conservation effect and irrigation uniformity are affected due to the fact that film mulching and drip irrigation tape position deviation are caused is avoided; when the rotary cultivator only needs to be used independently, the film covering mechanism and the drip irrigation belt mounting mechanism do not need to be disassembled, the connecting frame and the film covering mechanism and the drip irrigation belt mounting mechanism which are mounted on the connecting frame are lifted through the pneumatic telescopic rod, and the rotary cultivator can conduct ploughing work independently.

This utility model provides a backpack-type mulch film covering device, including a main frame. From left to right, the main frame is equipped with a backpack assembly, a film storage assembly, and an electrically controlled film spreading arm with adjustable pitch angle. The film spreading arm is equipped with a film guiding assembly, a film pressing component, and a soil covering assembly. A gravity sensor is also installed on the film spreading arm. The film guiding assembly includes two film guiding rollers arranged in an inverted V shape. The backpack assembly is equipped with a main control unit and a control panel. The main control unit adjusts the pitch angle of the film spreading arm based on the signal feedback from the gravity sensor. This backpack-type mulch film covering device can adapt to terrain undulations during mulching, resulting in a smoother mulch film.

The utility model relates to the technical field of farming equipment, in particular to a multifunctional radish farming machine which comprises a machine body, a walking device, a soil loosening mechanism, a seeding mechanism, a film mulching mechanism and a control system. The walking device adopts anti-skid rubber wheels and has high wear resistance, low rolling resistance and excellent road holding force; the soil loosening mechanism realizes efficient soil loosening by driving blades through a motor; the sowing mechanism uses an air pump to accurately put seeds; and the film mulching mechanism completes film mulching through a film pressing wheel and a soil covering blade. According to the control system, STM32F103C8T6 is used as a main control chip, and intelligent operation of equipment is achieved. The utility model solves the problems of low manual seeding efficiency and non-uniform machine seeding, improves the farming operation efficiency and quality, is energy-saving and environment-friendly, and is suitable for various farming scenes.

The utility model provides a plastic film mulching machine for imitating wild gastrodia elata planting. The plastic film mulching machine for wild-imitating gastrodia elata planting comprises a supporting frame used for driving a plastic film to stretch; the limiting cylinders are fixed on the two sides of the supporting frame; the limiting block is detachably mounted in the limiting cylinder; the shell is fixed on the limiting block; the moving wheels are rotationally mounted on the shell and are used for assisting the support frame in moving; and the power structure is arranged on the shell and is used for driving the moving wheels to rotate. According to the plastic film mulching machine for wild-imitating gastrodia elata planting, different supporting frames can be replaced according to the growth state of gastrodia elata seed buds and the height of the heat preservation shed frame through the detachable structure, flexibility is high, and the integrity of gastrodia elata plants is effectively protected.

The invention discloses an orchard full-flow film mulching and fertilizing all-in-one machine, which belongs to the technical field of agricultural machinery and comprises a driving assembly, a rack, a fertilizer box, a drip irrigation tape arrangement assembly, a ditching and soil covering assembly, a grass mowing assembly and a film mulching assembly. The driving assembly is a motor tricycle driving platform, the rack is arranged above the driving assembly, the fertilizer box is fixedly arranged above the rack, the fertilizer driving assembly is arranged at the bottom of the fertilizer box, the drip irrigation belt arrangement assembly is fixed above the rack through a drip irrigation belt cross beam support, and the ditching and soil covering assembly is fixed at the bottom of the rack. The grass mowing assembly is fixed to the front end of the advancing direction of the rack through a connecting rod. According to the orchard full-process film mulching and fertilizing all-in-one machine, integrated, continuous and synchronous completion of five core operations including weeding, ditching, fertilizing, drip irrigation tape laying and plastic film mulching is innovatively achieved, the efficiency bottleneck of traditional sectional operation is thoroughly broken through, the operation efficiency is remarkably improved, and low-cost operation of large-scale planting is achieved.

The invention discloses a soil improvement method for soybean continuous cropping obstacle reduction, and relates to the technical field of agricultural planting. Aiming at the problems of soil fertility reduction, frequent occurrence of plant diseases and insect pests, yield reduction and the like caused by continuous cropping of soybeans, multi-technology cooperation modes of plastic film mulching, organic material application, biological agent inoculation, seed coating agent treatment, water and fertilizer integrated management and the like are integrated, and the method comprises the whole-process standardization steps of variety selection, land parcel pretreatment, sowing operation, field management and control and the like. Experiments prove that the soil water content in the key growth period of soybeans can be increased by 8.55%-36.46%, the soil bulk density can be reduced by 8%-12%, the comprehensive reduction rate of continuous cropping obstacles is larger than or equal to 40%, the highest yield per mu can reach 283.68 kg, the yield is increased by 2.34%-45.17% compared with conventional planting, the protein content is larger than or equal to 37.32%, the fat content is larger than or equal to 22.95%, and the method is suitable for soybean continuous cropping production areas in northeast China and Huang-Huai-Hai, and the popularization value is remarkable.

The invention discloses an agricultural mulching film recycling system based on multi-source data evaluation, and relates to the technical field of agricultural mulching film recycling systems.The agricultural mulching film recycling system comprises a multi-source data acquisition module used for acquiring a residual film flexibility coefficient and a mulching film degradation index of a mulching film mulching area, screening the farmland mulching film mulching area and generating a mulching film distribution diagram; the multi-source data processing module is used for carrying out normalization processing on the data and fusing the processed data through a feature extraction algorithm to generate comprehensive monitoring data; the mulching film state evaluation module is used for acquiring residual films in a mulching film coverage area and calculating a net mulching film recovery coefficient by combining the mulching film distribution diagram to obtain a mulching film recovery rate; and the pollution risk early warning module constructs a pollution risk model, obtains a pollution risk assessment coefficient, and triggers an alarm mechanism according to the pollution risk assessment coefficient. The problems of single data acquisition dimension and low recovery efficiency are solved, and the accuracy of risk assessment is improved.

This invention discloses a method for regulating early maturity of citrus fruits based on environmental data processing under plastic film mulching, specifically relating to the fields of agricultural data processing and technology extension services. It addresses the problem that existing early maturity regulation models, due to their singular optimization objective, neglect the microecological changes caused by plastic film mulching, leading to increased pest and disease risks. By acquiring soil temperature and humidity data after plastic film mulching, and based on a pre-established correlation model, the method determines the pathogen inhibition function imbalance index and carbon and nitrogen cycle disturbance intensity, characterizing soil microecological health, and assesses the risk level of pest and disease occurrence. Combined with sensitivity analysis results of the original agricultural operation plan, key agricultural operation parameters are adjusted in a targeted manner. The generated comprehensive regulation plan is serialized into a distributable and executable agricultural technology extension service package and promoted for implementation. This achieves end-to-end data processing from environmental data to microecological risk assessment to customized agronomic plan generation and services, improving the accuracy of agricultural technology extension.

The utility model discloses a mulching film covering device for crop elite breeding belongs to crop planting technical field. A mulching film covering device for crop elite breeding, including support mechanism, the support mechanism includes sleeve rod and two plug rods respectively inserted and slid in the both ends of sleeve rod, the outside of sleeve rod is equipped with pull rod, the downside of two plug rods all is equipped with walking wheel, and the height adjusting assembly is connected between walking wheel and plug rod, and the lower part of two plug rods all is equipped with mounting assembly, the utility model discloses can effectively prevent the contact of mulching film roll and field ridge, thereby avoid the damage of mulching film roll to seedling in the process of laying, further avoid causing unnecessary loss, and through the support of two walking wheels, make the device can better stable movement, thereby effectively prevent the device from deviating, and can make the replacement of mulching film roll more convenient fast easy operation, and effectively reduce the difficulty of replacement, help to improve the efficiency of mulching film laying.

This invention discloses a green and ecological planting method for daylilies, belonging to the field of agricultural planting technology. It addresses the technical problems of excessive reliance on chemical fertilizers and traditional mulching in current daylily cultivation, leading to soil ecological imbalance and low fertilizer utilization. The method includes: applying organic fertilizer made from cow and sheep manure and Asteraceae plant residues through aerobic composting, using a layered strip application method. First, fully decomposed organic fertilizer is applied as a base fertilizer layer in the planting furrow, followed by semi-decomposed organic fertilizer that has completed the main fermentation stage but not the later aging stage as a middle layer fertilizer; after land preparation and ridging, wood ash is spread on the ridge surface, followed by the laying of black fully biodegradable mulch film; finally, holes are made in the mulch film for daylily seedling planting. This method is mainly used for sustainable ecological planting of daylilies, improving soil fertility and structure, regulating soil pH and providing potassium, conserving moisture and suppressing weeds while avoiding residual pollution, thereby increasing daylily yield and quality while reducing environmental impact.

The utility model relates to the technical field of natural animal husbandry grain and grass planting, in particular to a natural animal husbandry grain and grass planting plastic film covering device which comprises a plastic film covering device body, a first covering film, a mounting support, a spraying assembly, a liquid storage assembly, a second covering film and a positioning assembly. The inner side of the plastic film mulching device main body is fixedly connected with a first mulching film; the spraying assembly is arranged, so that the anti-freezing solution can be uniformly sprayed, and the cold resistance of crops is further improved; a user can conveniently and automatically spray according to needs through the liquid storage assembly, crop growth is promoted, the device can be rapidly fixed through the positioning assembly, compared with a traditional covering protection mode, the device integrates multiple functions of covering, heat preservation, spraying, positioning and the like, and the planting efficiency can be effectively improved while multiple requirements in the natural animal husbandry grain and grass planting process can be met.

The invention belongs to the technical field of saline-alkali soil planting, and particularly relates to an efficient alfalfa planting method for avoiding salt and waterlogging in severe saline-alkali soil, which comprises the following steps: S1, from April to May, ridging in a field to build a water storage area, laying a plastic film in the water storage area to cover the whole water storage area, and uniformly punching the plastic film to form air holes; s2, from the end of August to the beginning of September, uncovering the mulching film, punching the soil to form planting holes, sowing alfalfa seeds in the planting holes, and then covering the alfalfa seeds with wet sand to form an isolation layer. According to the efficient alfalfa planting method for avoiding salt and waterlogging in the severe saline-alkali soil, rainwater is accumulated in summer to leach and reduce soil salinity, a suitable germination environment is created in combination with wet sand covering, the alfalfa emergence rate is remarkably increased, and the purpose of full seedling is achieved.

The invention relates to the technical field of agricultural production, in particular to a cumin and cotton intercropping planting method, irrigation system and irrigation device.The cumin and cotton intercropping planting method comprises the following steps that S1, land parcel preparation is conducted, specifically, the land parcel terrain is adjusted to be flat, ploughing and fertilization are conducted, and the pH value is made to be smaller than 8.0; s2, intercropping and sowing: sowing the cotton and cumin in the same plot in the same period in the proper sowing period of the cotton, and establishing a symbiotic system; s3, mulching film protection is conducted, mulching films are adopted for mulching, cotton planting belts and cumin planting belts are alternately arranged below each mulching film, and the cumin planting belts are located on the sides of the lighting faces of the cotton planting belts; s4, performing zoned irrigation: arranging two independent irrigation systems in the cotton planting belt and the cumin planting belt, and performing zoned water and fertilizer management on the cotton planting belt and the cumin planting belt. The problems that in the prior art, cotton and cumin are independently planted in a single planting mode, soil moisture and sun illumination are not fully utilized, and the land utilization rate is low are solved.

The invention discloses a dry land tomato cultivation method with straw and mulching film space complementary covering, and belongs to the technical field of agricultural planting. The method comprises the following steps: covering whole corn straw strips (with the width of 90cm and the interval of 50cm) in autumn and winter on the basis of previous crops of corn, adjusting the straw covering strips to 50cm and the uncovered width to 90cm in the next spring, performing rotary tillage and fertilization in the interval rows without covering the straw, laying a mulching film with the width of 50cm, planting tomatoes on two sides of the mulching film, paving redundant straw in the wide rows, and covering the wide rows with the mulching film with the width of 50cm after the tomatoes are planted on the two sides of the mulching film. And a spatial pattern of narrow-row plastic film mulching-wide-row straw mulching is constructed. The narrow-row mulching film can preserve soil moisture and increase temperature in spring and promote early emergence of seedlings, and the wide-row straws can cool, inhibit weeds and fertilize in summer, the advantages of the narrow-row mulching film and the wide-row straws complement each other and cooperatively regulate and control the hydrothermal condition of soil, the contradiction between soil moisture conservation in spring and cooling in summer is solved, high-yield, high-quality and sustainable production of open-field tomatoes in semi-arid and semi-humid areas is realized, and the method has both ecological and economic benefits.

The application provides an integrated ridging and mulching and hole planting combined operation device, relates to the astragalus membranaceus planting technical field and comprises a supporting assembly. A rotary cultivator, a pipeline laying assembly, a mulching film laying assembly, a film pressing assembly, a ridge forming assembly and a hole planting assembly are sequentially arranged on the supporting assembly from front to back. The front end of the supporting assembly is used for connecting an agricultural tractor, so that rotary tillage, pipeline laying, mulching film laying, film pressing, ridging and hole planting operations are sequentially completed when the integrated machine is towed by the agricultural tractor. The rotary cultivator, the pipeline laying assembly, the mulching film laying assembly, the film pressing assembly, the ridge forming assembly and the hole planting assembly are integrated and installed on the same supporting assembly, so that the rotary tillage, the pipeline laying, the mulching film covering, the film pressing, the ridging and the hole planting operations can be sequentially completed once the device enters the soil. Compared with the traditional multiple step operations, the number of times of entering the soil is reduced, the soil compaction degree is reduced, the overall operation efficiency is improved, and the labor cost is saved.

The invention belongs to the technical field of morchella esculenta cultivation, and particularly discloses a morchella esculenta factory-like cultivation method which comprises the following steps: preparing a bed frame or a cultivation basket in bed type cultivation or basket type cultivation in a factory, sequentially loading a substrate, sowing, cultivating the morchella esculenta, covering a film, placing a nutrition bag, and performing mushroom inducing and fruiting management. According to the industrial morchella cultivation method, by means of the frame, with the height of 20-30 cm, of the fungus bed or the cultivation basket and the red plastic film for covering, the purposes of preserving moisture and reducing the influence of air flow on growth and development of morchella are achieved, and the industrial morchella cultivation method is stable in fruiting and healthy in development.

The utility model relates to the technical field of agricultural equipment, in particular to an internally adjustable plastic film mulching machine which comprises a fixing frame, side frames are connected to the two sides of the fixing frame in an inserted mode, a plastic film roller is installed in the centers of the two side frames, moving wheels are installed at the bottoms of the centers of the outer walls of the side frames, and a soil covering assembly is installed at one end of each side frame. A butt joint is installed at one end of the fixing frame, and butt joint grooves are embedded in the two sides of the fixing frame. According to the improved plastic film mulching machine, the side frames on the two sides are arranged to be of an adjustable structure, mulching film rollers with different lengths are adjusted and fixed in cooperation with the fixing insertion rods in the side frames, the adaptability of the plastic film mulching machine is improved, meanwhile, the adjustable soil covering assemblies are arranged at one ends of the side frames on the two sides, soil covering operation is carried out on the two sides of a mulching film after mulching, and the mulching film mulching efficiency is improved. The soil covering plough with the height and angle adjustable is matched to control the soil amount of covering soil, the mulching film covering machine can cover a mulching film conveniently, and then the using effect of agricultural equipment is improved.

The utility model relates to the technical field of agricultural machinery, in particular to a mulching film covering machine which comprises a walking tractor body and a supporting frame. The walking tractor body is provided with a generator, the generator is connected with a belt pulley on the walking tractor body through a belt, the supporting frame is installed on the walking tractor body, the supporting frame is provided with a soil covering wheel, a film pressing wheel and a mulching film installation base, the supporting frame is further provided with a storage battery, and the storage battery is connected with the walking tractor body through a belt. Soil shoveling blades are mounted on the soil covering wheels. According to the utility model, as the soil covering wheel obtains power, the driving wheel of the walking tractor and the soil covering wheel form a four-wheel-drive transmission mechanism, so that the problems that a traction device slips and is difficult to walk in the film covering process of the traditional mulching film covering machine are avoided, and the mulching film covering machine is particularly suitable for mulching films on sloping fields. The soil shoveling blades are mounted on the soil covering wheels, so that the soil covering effect is better.

This application discloses a method for cultivating cotton in saline-alkali land to reduce salinity and alkalinity, relating to the field of cotton planting technology. The method includes the following steps: deep plowing and applying base fertilizer to the cotton field, followed by irrigation to create a soil-free environment for sowing; sowing cotton using direct seeding with plastic film mulching and machine-harvested cotton planting, controlling the sowing depth to 2.5–3.5 cm, the soil covering width to 5–7 cm, the soil covering thickness to 0.5–1 cm, the 1-seed rate to ≥95%, and the empty seed rate to ≤3%; post-sowing management during the seedling stage, including timely cultivation, and foliar fertilization at the cotyledon to 2-leaf stage, 3–4-leaf stage, and 4-leaf stage; water and fertilizer management during the budding stage, including cultivation and foliar fertilization; drip irrigation and fertilization during the boll-forming stage, including timely topping, and additional fertilization to regulate plant shape, with separate fertilization for premature aging and excessive vegetative growth; and pest and weed control during the sowing period. The cultivation method described in this application is applicable to saline-alkali cotton fields in Xinjiang and is an effective means to increase cotton yield and improve soil conditions.

This invention discloses an adjustable mulch film covering device for seed cultivation, comprising a main beam, a connecting beam fixedly connected between the middle of the two main beams, two sets of rotating blocks fixedly connected to the lower part of the connecting beam, a first rotating shaft rotatably connected to the outer side of the rotating blocks, a rotating arm fixedly connected to the outer side of the first rotating shaft, a second rotating shaft fixedly connected to the inner side of the lower part of the rotating arm, a rotating plate fixedly connected to the other end of the second rotating shaft, a control cylinder rotatably connected to the outer side of the rotating plate, several sets of connecting holes opened on the inner side of the control cylinder, positioning rings fixedly connected to the outer sides of the control cylinder, several sets of first mounting plates and second mounting plates sleeved between the positioning rings, an mounting groove opened on the inner side of the first mounting plate, an mounting block slidably connected inside the mounting groove, and a conical head fixedly connected to the outer side of the mounting block, realizing full-dimensional flexible adjustment of the drilling parameters, fully adapting to the drilling agronomic requirements of different varieties of seed cultivation.

The present application relates to mulching film laying technical field, particularly to a mulching film laying equipment, including frame, roller mechanism and soil covering mechanism. The left and right sides of the frame are provided with walking wheels; the roller mechanism is arranged on the frame and located in the front side of the walking wheels, and the roller mechanism is used for loading mulching film; the soil covering mechanism includes soil gathering plate, soil blocking plate and soil guiding component; the soil covering mechanism is used for transferring soil. The present application has the advantages that in the process of walking of the walking wheels, the roller mechanism covers the mulching film to the ground, at the same time, the soil covering mechanism transfers the soil on both sides of the mulching film to the upper side of the mulching film, increases the counterweight of the mulching film, and avoids that the mulching film is blown away from the ground in the case of large wind force, so that the mulching film is invalid.

The utility model discloses a plastic film mulching device, and relates to the technical field of film mulching devices. The device structurally comprises a rack and a film roll installer, the film roll installer is clamped and installed at the front half part of the rack; two compression rollers are mounted at the rear half part of the rack; two adjustable mounting seats are fixedly mounted at the front end and the rear end of the rack through nuts respectively; a front wheel set is mounted on each of two adjustable mounting seats mounted at the front end of the rack; and a first film pressing covering device and a second film pressing covering device are respectively mounted on two adjustable mounting seats mounted at the rear end of the rack. Through the synergistic effect of the rack, the film roll mounting device, the front wheel set, the adjustable mounting base, the first film pressing and covering device and the second film pressing and covering device which are symmetrically arranged in structure and the like, high-efficiency and uniform film mulching on ridges with different widths and depths is realized; the problems that an existing plastic film mulching mode is large in labor intensity, low in efficiency, uneven in film mulching effect, difficult to adapt to different planting conditions and the like are solved.

The embodiment of the invention provides a molecular breeding device and method for enhancing cold resistance of rice, and relates to the field of breeding equipment. Comprising a heat preservation box, a germination box, a film covering mechanism, a film pressing mechanism and a film pressing device. The germination box is placed in the heat preservation box; the film mulching mechanism is mounted in the heat preservation box and used for laying a mulching film on the upper surface of the germination box; the film pressing mechanism is installed in the heat preservation box and located at the top end of the film covering mechanism. The film pressing device is mounted at the bottom of the film pressing mechanism; the film pressing mechanism is controlled and can change the distance between the film pressing device and the germination box; the film pressing mechanism comprises a sliding rod, a second lead screw, a moving seat, a guide rod and a rotating rod. The plastic film can cover the space above the germination box, and a germination space can be reserved; and the device can be adjusted according to the growth space required by germination of different seeds, so that the universality of the device is improved.

The invention discloses a plastic film mulching tightness adjusting device which comprises a supporting frame, and a mulching film adjusting mechanism and a heating sealing mechanism are arranged on the supporting frame. The film covering adjusting mechanism comprises a first film covering assembly and a second film covering assembly which are arranged in parallel in a spaced mode in the first direction, the first film covering assembly comprises a plurality of first film covering shaft rods and first driving parts which are arranged in a step shape, and the second film covering assembly comprises a second film covering shaft rod; according to the plastic film mulching tightness adjusting device, the first film mulching assembly and the second film mulching assembly are arranged, the first film mulching assembly further comprises a plurality of first film mulching shaft rods, the first driving part drives the first film mulching shaft rods to move, the distance between the multiple sets of first film mulching shaft rods can be accurately adjusted, and the requirements of different crops for line spacing are met; and meanwhile, the number of mulching film rolls on the first film mulching shaft rod and the second film mulching shaft rod is increased or decreased, the reinforced sealing requirement of single-area multi-layer film mulching can be met, and multi-area synchronous film mulching operation can be achieved.

The cultivation method comprises the following steps that S1, a field for planting flue-cured tobacco is selected, the flue-cured tobacco is sown on the field in April, and plastic film mulching cultivation is adopted; s2, selecting a fresh soybean variety which is short in growth period, compact in plant type and high in disease resistance and stress resistance; s3, after the flue-cured tobaccos are picked for 2-3 times, sowing fresh soybean seeds in August; s4, after soybean seedlings emerge, seedling checking and vacancy filling are conducted, it is ensured that two robust seedlings are reserved in each hole, and rational close planting is achieved. The method has the advantage of being good in planting effect, and solves the problems that when the existing post-tobacco interplanting fresh soybeans are cultivated, extensively interplanting fresh soybeans often cause poor planting effect of the fresh soybeans due to improper sowing opportunity, unreasonable space configuration, conflict of water and fertilizer management and improper disease and pest control; the growth of the soybeans and the improvement on the soil are influenced.

The present application relates to the related technical field of agricultural machinery, and specifically relates to a Morel cultivation and planting mulching film winding and covering machine, which comprises a frame, two driving wheels are arranged on one side of the frame, and two steering wheels are arranged on the other side of the frame; the Morel cultivation and planting mulching film winding and covering machine further comprises a winding roller rotatably installed at the bottom of the frame, a driving roller movably arranged at the bottom of the frame through an elastic support mechanism, the driving roller is located above the winding roller and abuts against the winding roller, and the radius of the driving roller is equal to that of the driving wheel; a pressing roller movably arranged below the frame and connected with two groups of vertical assembly mechanisms respectively installed on the two sides of the frame, the pressing roller is located on the side of the winding roller away from the steering wheel, and finally, the length of the released mulching film is equal to the length of the movement of the machine, so that the pulling force borne by the mulching film is balanced during the operation process, the mulching film is prevented from being broken due to the force, and the operation defects of the mechanized mulching film covering machine can be effectively solved.

The invention discloses a dry land tomato cultivation method with mulching film and non-woven fabric space complementary coverage, and belongs to the technical field of dry farming cultivation. According to the method, a space complementation mode of narrow-row plastic film covering and wide-row black non-woven fabric covering is innovatively constructed. The method comprises the core steps that after previous crop corn straw is smashed and returned to the field, soil preparation and ridging are carried out in the early spring of the next year to form planting furrows with narrow rows of 50 cm and wide rows of 90 cm at intervals, mulching films with the width of 50 cm are laid in the narrow rows to preserve soil moisture and increase temperature, black non-woven fabrics are laid in the wide rows to inhibit weeds and adjust the temperature, and finally tomatoes are planted on the two sides of the mulching films. Through the synergistic effect of the two covering materials, space-time function complementation of narrow-row accurate hydrothermal regulation and control in spring and wide-row ecological weed suppression and cooling in summer is achieved, the defect of single plastic film covering is effectively overcome, the water utilization efficiency, the fruit yield and the fruit quality are remarkably improved, and the method is suitable for large-scale cultivation of open field tomatoes with previous crops being corn in semi-arid and semi-humid areas.

This invention discloses a grafting propagation method for the summer wax plum 'Hongyun'. The method involves applying nitrogen fertilizer, boron fertilizer, and humic acid in the autumn of the previous year to build up energy reserves. In early March of the same year, a compound hormone of GA3+6-BA+NAA is sprayed three times. Combined with black plastic film wrapping to increase temperature and block light, black plastic film mulching to retain moisture, and ridge planting with frequent water management, the cambium layer of the wax plum rootstock and summer wax plum scion branches becomes active and ready for peeling in early spring. At this time, large-block budding is performed, resulting in high scion utilization. The buds sprout in early April, and the scions can be ready for transplanting in November of the same year. This method achieves a grafting survival rate of over 82%, which is more than 16 percentage points higher than traditional summer budding. The transplanting rate in the same year reaches 88%, the seedling cycle is shortened by one year, and the scion utilization rate is increased by 110%. This provides reliable technical support for the large-scale propagation of the rare new variety 'Hongyun'.