824 results about "Plastic mulch" patented technology

The invention provides a bio-based composite liquid mulching film and a preparation method thereof. The bio-based composite liquid mulching film comprises a nanocellulose solution, modified starch, modified chitosan, glycerol and calcium carbonate, the modified starch is obtained by modifying starch with citric acid; the modified chitosan is obtained by grafting and copolymerizing chitosan with an acrylic monomer. According to the invention, a plurality of bio-based components such as modified starch, modified chitosan, a nanocellulose solution, glycerol and calcium carbonate are integrated, and natural characteristics of bio-based materials are utilized to form a uniform and degradable film layer; the soil moisture retention film can better isolate air and moisture loss, improves the soil moisture retention ability, ensures sufficient strength and flexibility in the application process, and avoids the problems of early cracking or deformation and the like.

The invention relates to the technical field of agricultural equipment, and discloses a peanut film mulching hole-free seeder which comprises an integrated frame, and a connecting frame is arranged at the front end of the integrated frame and used for being connected with a traction machine in a hanging mode; according to the device, a weakening point is accurately preset on a mulching film through a liftable micro hot needle, the traditional manual or mechanical hole breaking is replaced, a hole-free seeding mode of one hole and one point is realized, and the hole-free seeding efficiency is greatly improved. According to the method, the complex procedure of manual film breaking is avoided, the labor intensity is reduced, through the controllable design of the weakening points, it is ensured that peanut seedlings naturally break the mulching film, damage to roots is reduced, the emergence rate and the survival rate are increased, and meanwhile the problem of weed breeding or soil moisture loss caused by too large broken holes is effectively solved.

The invention discloses a paper base-PHA double-sided composite soil biodegradable agricultural mulching film as well as a preparation method and application thereof, and belongs to the technical field of agricultural mulching materials and green high polymer materials. The mulching film comprises a paper base layer and a homologous polyhydroxyalkanoate covering layer arranged on the surface of the paper base layer. Through double-sided synergy of the water-based PHA coating on the soil sticking surface and the thermoplastic PHA extrusion film layer on the windward and rainy surface, and in combination with a'wet-to-heat 'integrated composite process and trace anhydride grafting, super-strong combination of a paper-plastic interface fiber tearing level is realized, and the problem that traditional paper-plastic is easy to layer is solved. Compared with a traditional fluorine-containing product, on the premise that total organic fluorine is not detected, the excellent barrier and moisture conservation performance is achieved with the thinner coating thickness by means of double barriers. The product has excellent mechanical laying adaptability and long-season weather resistance, is fully biodegradable, thoroughly solves the hidden dangers of micro-plastic residues and persistent organic pollutants, and is an ideal green agricultural covering material.

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 discloses a PVA / urea / CC lignocellulose composite mulching film as well as a preparation method and application thereof, and belongs to the technical field of agricultural mulching films. The composite mulching film disclosed by the invention is obtained by adding PVA (Polyvinyl Alcohol) into a corncob lignocellulose HTP-CC dispersion liquid subjected to hydrothermal pretreatment, then sequentially adding glutaraldehyde, urea and glycerol and carrying out cross-linking reaction. The mechanical property of the PUCH mulching film prepared by the invention meets the GB / T35795-2017 standard, and the PUCH mulching film has excellent water vapor barrier property, ultraviolet shielding property, urea controlled release property, heat insulation property and biodegradability. The characteristics not only can promote crop growth, but also can reduce agricultural environmental pollution. Therefore, the PUCH mulching film shows huge potential to replace the traditional plastic mulching film, and has important application prospects in agricultural planting.

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 belongs to the technical field of cultivation, and discloses a small flat film heat preservation cultivation method for amorphophallus bulbifer in cold and arid areas, and the small flat film is used for covering, so that the ground temperature can be increased, and early sowing and early harvesting of the amorphophallus bulbifer are promoted. The temperature in the mulching film is 7-9 DEG C higher than that in the open field, amorphophallus bulbifer can be sown 30 days earlier, and seedlings emerge 15 days earlier. In addition, the small flat film can reduce water evaporation, prevent rainstorm scouring and keep the soil water content stable, and drought resistance and waterlogging prevention are facilitated.

The invention discloses an anti-aging light-conversion silver black mulching film and a preparation method thereof, and belongs to the technical field of agricultural polymer films. The preparation method comprises the following steps: S1, mixing low-density polyethylene powder, aluminum paste, a complex light conversion agent, dioctyl phthalate and EVA (Ethylene Vinyl Acetate) to prepare silver light conversion master batches; s2, vinyl-terminated fluorosilicone oil, tert-butyl peroxybenzoate and linear low-density polyethylene powder are stirred for a reaction, and modified low-density polyethylene is obtained; the modified low-density polyethylene, maleic anhydride grafted polyethylene, a multi-effect light stabilizer and polyethylene wax are subjected to banburying granulation, and modified light-stable master batches are obtained; s3, carrying out banburying granulation on the low-density polyethylene powder, the polyethylene powder, carbon black, zinc stearate, ethylene bis-stearamide and the EVA powder to obtain black master batches; s4, blending the silver layer and the black layer, and performing double-layer co-extrusion to obtain the light-conversion silver-black mulching film. The light-conversion silver black mulching film provided by the invention has good mechanical properties and aging resistance.

The invention relates to the technical field of waste mulching film treatment, in particular to waste mulching film treatment heavy residue separation equipment which comprises a separation box, a conveyor is installed at the front end of the separation box, a feeding hopper is fixedly connected to the front end of the top of the separation box, and a material distribution square box is fixedly connected to the outer side of the separation box. A cyclone dust collector is installed at the rear end of the separation box, the top of the material separation square box is fixedly connected with the cyclone dust collector through a connecting pipe, a centrifugal fan is fixedly installed at the top of the cyclone dust collector, multiple functions of iron removal, smashing, screening, centrifuging, flapping, winnowing, dust removal and the like are integrated, the occupied area of the equipment and the material transfer link are reduced, and the production efficiency is improved. A complete, efficient, automatic and environment-friendly waste mulching film recycling solution is provided, the core innovation point is the composite motion design of the separation assembly and the automatic discharging design of the magnet assembly, the overall practicability is high, and very high market application value is achieved.

The invention relates to the technical field of biodegradable high polymer materials, in particular to a tear-resistant high-barrier biodegradable mulching film and a preparation method thereof, and the tear-resistant high-barrier biodegradable mulching film is prepared from the following raw materials in parts by weight: 60-90 parts of poly (butylene adipate-co-terephthalate); 10 to 40 parts of poly (propylene carbonate); 0.5-5 parts of a plasticizer; 0.05 to 0.3 part of a cross-linking agent; 0.1 to 10 parts of talcum powder; 0.1 to 2 parts of a lubricant; 0.1-1 part of an anti-blocking agent; 0.1 to 1 part of an antioxidant; 0.1 to 1 part of an anti-ultraviolet agent; 0.1-1 part of a light stabilizer; 0.1 to 1 part of an anti-hydrolysis agent; 0.1-1 part of a nucleating agent; the plasticizer is poly (1, 2-propylene glycol adipate); and the cross-linking agent is 1, 4-bis (tert-butylperoxy) diisopropyl benzene. The film has good mechanical properties and water vapor transmission amount, can be completely biodegraded, and has good aging resistance.

The invention discloses a pepper water-fertilizer integrated double-film efficient cultivation method, which belongs to the technical field of pepper planting, and is realized through four steps of soil preparation and ridging, sowing, seedling raising and transplanting, double-layer functional mulching film laying and furrow irrigation. Through staggered arrangement design of the vent holes and accurate arrangement of the vent holes in a specific radius range around a pepper transplanting hole, the uniformity of oxygen supply of a root zone is effectively guaranteed, root rot and diseases caused by local oxygen deficit are prevented, and high-quality development of pepper root systems is realized by combining a temperature and humidity coordinated regulation function of a double-film structure; the efficient absorption of nutrient substances is promoted. Compared with traditional film mulching or non-film mulching furrow irrigation treatment, the double-film furrow irrigation system has the advantages that the irrigation amount of each time is only 1.023 m < 3 > / hm < 2 > under the same cultivation condition, the water saving amplitude reaches 65% or above, and the water resource utilization efficiency is remarkably improved.

The invention provides a high-barrier nanocellulose-based composite liquid mulching film and a preparation method thereof.The preparation method comprises the steps that sodium periodate is added into a sodium alginate solution for an oxidation reaction, an oxidized sodium alginate solution is obtained, a chitosan solution is added into the oxidized sodium alginate solution, and a composite solution is obtained after uniform mixing; mixing the nanocellulose solution with the composite solution, dropwise adding an ammonia water solution to adjust the pH value, and carrying out a cross-linking reaction to obtain a matrix solution; the preparation method comprises the following steps: dissolving 2-acrylamido-2-methylpropanesulfonic acid and methacryloyloxyethyl trimethyl ammonium chloride in deionized water to obtain a precursor solution, and adding an initiator into the precursor solution for copolymerization to obtain a zwitterionic polymer; adding a zwitterionic polymer into the Na-montmorillonite dispersion liquid for intercalation reaction to obtain modified montmorillonite; and uniformly mixing the matrix solution, the modified montmorillonite, the plasticizer, the rheology modifier and the surfactant, and then carrying out standing curing and vacuum defoaming.

The utility model discloses a farmland residual mulching film recycling machine which relates to the technical field of waste recycling and structurally comprises a machine body, an absorption box is fixedly connected to one side of the top of the machine body, the bottom of the absorption box penetrates through the top wall of the machine body and is fixedly connected with an absorption opening, and a collection box is fixedly connected to the other side of the top of the machine body. A connecting pipe is jointly and fixedly connected between one side of the absorption box and one side of the collection box, a film taking mechanism is arranged on the inner side of the absorption opening, an air blowing mechanism is arranged on the surface of the machine body, and a negative pressure fan is fixedly connected to one side of the top of the machine body. According to the farmland residual mulching film recycling machine, the situation that soil particles and mulching films are recycled together can be reduced, the recycling quality of the mulching films is improved, the air blowing mechanism assists in rapid collection of the mulching films, and the recycling efficiency of the mulching films is improved.

The utility model relates to the technical field of agricultural production, and discloses an agricultural film mulching device which comprises a support, an adjusting mechanism is arranged at the bottom end of the support, a second fixing box is fixedly connected to the bottom end of the support, a cutting-off mechanism is arranged in the second fixing box, a film mulching mechanism is arranged at the bottom end of the support, and the film mulching mechanism is fixedly connected with the support. A control mechanism is arranged in the support. The adjusting mechanism comprises a first fixing box, the exterior of the first fixing box is fixedly connected to the bottom end of the support, a sliding block is slidably connected to the interior of the first fixing box, a telescopic column is fixedly connected to the top end of the sliding block, and the telescopic column is sleeved with a first spring. According to the film mulching device, the sliding block slides in the first fixing box through the first spring to drive the adjusting roller to change the position and adjust the tension of a mulching film in a self-adaptive mode, smooth film mulching operation and high quality after film mulching are effectively guaranteed, and the situation that the film mulching effect is affected due to the tension problem is avoided.

The invention provides a PBAT (poly (butylene adipate-co-terephthalate)) resin modifier, a preparation method of the PBAT resin modifier and application of the PBAT resin modifier in a biodegradable film material, and the PBAT resin modifier comprises the following raw materials: 100 parts of PBAT resin; 1-10 parts of a guanidine compound, 1-10 parts of an ultraviolet absorbent and 0.1-1 part of a cross-linking agent. According to the PBAT resin modifier, the PBAT resin is terminated through the guanidine compound, the ultraviolet absorbent is bridged, the PBAT resin modifier has the antibacterial, anti-ultraviolet and anti-tear effects, the compatibility of the PBAT modifier and the PBAT resin is good, the compatibility of a system is improved, degradation of microorganisms in soil on the degradable mulching film can be effectively inhibited, the anti-ultraviolet performance of the film is improved, and the service life of the film is prolonged. The aging performance of the degradable mulching film is prolonged.

The invention discloses a comprehensively degradable mulching film and a preparation method thereof, and relates to the field of agricultural biodegradable materials. The mulching film is prepared from polylactic acid, poly (butylene succinate), polycaprolactone, acetylated starch, nano cellulose whiskers and auxiliaries through vacuum drying, high-speed premixing, twin-screw extrusion granulation, film blowing forming and aging treatment. In the preparation process, by regulating and controlling the proportion of the polylactic acid base material, the substitution degree of the acetylated starch and the addition amount of the nanocellulose whiskers, a polymer-bio-based additive-nano reinforcement synergistic effect system is constructed, and optimal balance of the mechanical property and the biodegradation efficiency of the mulching film is achieved. The mulching film capable of being comprehensively degraded is suitable for the field of agricultural covering, can be completely degraded through the synergistic effect of microbial degradation and photooxidative degradation in the natural environment, solves the problem of residual pollution of a traditional mulching film, and meanwhile meets the mechanical supporting requirement in the crop growth period.

The invention relates to the technical field of soil agrochemistry, in particular to a soil improvement method based on multi-season pineapple planting and a modifier thereof. The soil improvement method based on multi-season pineapple planting comprises the following steps: (1) deeply ploughing soil; uniformly mixing coconut shell charcoal and quicklime powder, applying the mixture to the deeply ploughed soil, and continuously applying a soil conditioner after rotary tillage; ridging is performed after rotary tillage is performed for 1-2 times, so that turtle-back-shaped ridge bodies are formed; (2) the surface of the ridge body is covered with a black mulching film in the longitudinal direction of the ridge body, seed holes with the diameter being 3-5 cm are reserved in the black mulching film, pineapple bud seedlings with 2-3 leaves are planted in the seed holes, and root fixing water is thoroughly watered; (3) irrigating with a water dispersible fertilizer solution after field planting of the pineapple bud seedlings; irrigating for 1-2 times by adopting a water dispersible fertilizer solution in a flowering period; (4) performing conventional field management, and harvesting after maturing. The method not only promotes the environment to be stable and nutrients to be sufficient, but also has a remarkable soil improvement effect, remarkably improves the sugar degree of pineapple fruits and greatly improves the yield.

The invention provides a peanut planting mulching film coverage area identification method and system, and the method comprises the steps: collecting mulching film remote sensing image data of an experimental peanut planting region through the aerial photographing of an unmanned aerial vehicle, and carrying out the two-dimensional reconstruction of the mulching film remote sensing image data, and obtaining an orthoimage; performing image processing and labeling on the orthoimage, and constructing a multi-scale mulching film semantic segmentation data set; training a semantic segmentation model by using the multi-scale mulching film semantic segmentation data set to obtain a mulching film coverage area recognition model; and based on the plastic film mulching area identification model, identifying the plastic film mulching area of the preset peanut planting area to obtain a plastic film distribution diagram and the plastic film mulching area. Accurate identification and statistics of peanut planting plastic film mulching are realized, peanut planting condition analysis is supported by using an identification result, and reliable data support is provided for agricultural scientific research, resource investigation, environmental influence evaluation and the like.

The invention discloses a bamboo fiber degradable mulching film and a preparation method thereof, and belongs to the technical field of agricultural environment-friendly materials. The mulching film is prepared from bamboo fibers loaded with a nano silicon dioxide-chitosan composite coating on the surface, acetate-sodium alginate composite modified starch, a lignin-maleic anhydride grafted copolymer cross-linking agent, a bacillus subtilis degradation accelerant and the like. The preparation method comprises the steps of bamboo fiber pretreatment, composite modified starch preparation, graft copolymer synthesis, melt extrusion granulation, film casting, ultraviolet crosslinking and the like. According to the invention, the bamboo fibers are modified by innovatively adopting the nano silicon dioxide-chitosan composite coating, so that the interfacial compatibility and the antibacterial performance are improved; the film-forming property and the air permeability of the matrix are optimized through the acetate-sodium alginate composite modified starch; a lignin-maleic anhydride grafted copolymer is used for replacing a traditional cross-linking agent, and synergy of mechanical enhancement and controllable degradation is achieved.

The invention relates to the technical field of water storage bags, and discloses an agricultural water storage bag and a heat preservation and moisture preservation water storage bag system.The agricultural water storage bag comprises a water storage bag body, partition plates are fixedly installed on the two sides of the interior of the water storage bag body, a plurality of water filtering holes are formed in the top of the water storage bag body, each partition plate and the inner wall of the water storage bag body form a water storage bin, and an elastic film is fixedly installed on the top of each water storage bin; the two ends of one side outside the water storage bag are fixedly connected with water diversion pipes, one end of each water diversion pipe is fixedly provided with a three-way valve, a connecting pipe is fixedly connected between the two three-way valves, the bottom of each three-way valve is fixedly connected with a grounding pipe to be inserted into the ground, and the two sides of the top of the water storage bag are provided with a plurality of lower leakage holes close to the elastic film. According to the agricultural water storage bag, water in the ground receiving film can conveniently and slowly overflow out of the ground, so that moisture preservation and heat preservation are conducted on the land around fruit trees, and the situation that water and soil on the ground flow too fast, and consequently nutrients are insufficient is prevented from occurring.

The invention provides a waste potato-derived fulvic acid slow-release full-degradable mulching film as well as a preparation method and application thereof, and belongs to the technical field of agricultural environment. Waste potatoes are prepared into a solution, then the solution is compounded with potassium sulfate, tartaric acid and fulvic acid according to a certain proportion to form a mixed solution, and the waste potato source fulvic acid slow-release type fully-degradable mulching film is prepared through uniform spreading and microwave irradiation. According to the invention, resource utilization of the waste potatoes is realized; meanwhile, the prepared mulching film is good in mechanical performance, and the actual application requirement is met. The prepared mulching film has good heat preservation and soil moisture conservation effects, fulvic acid is slowly released, and the film-fertilizer dual-function effect is achieved. In addition, after the mulching film is degraded, soil components are improved.

The invention discloses a three-color composite mulching film and a preparation method thereof. The three-color composite mulching film comprises a transparent bottom layer, a middle black layer, a surface silver layer and a transparent layer located in the middle of the film. The transparent bottom layer has hydrophilicity, and does not form dewdrops on the surface of the film layer to reflect sunlight, so that the light transmittance of the mulching film is effectively increased, and the ground temperature and the soil energy storage are improved. And the middle black layer can efficiently block light rays and can effectively inhibit growth of various weeds. The surface silver layer can highly reflect sunlight, can improve photosynthesis of bottom leaves of crops, and can avoid aphids at the same time.

The invention discloses an agricultural mulching film harmless recovery treatment and high-value utilization method, and relates to the technical field of recovery treatment.The agricultural mulching film harmless recovery treatment and high-value utilization method comprises a winnowing chamber, a solid recovery mechanism, a dust suppression recovery mechanism, a spraying mechanism and an air guide mechanism, dust is subjected to dust suppression recovery through cooperation of the spraying chamber and the spraying mechanism, and a degradation reagent is sprayed to mulching film fragments; meanwhile, a recycling conveying belt is matched with an air guide mechanism to guide airflow and recycle mulching film fragments carried by the recycling conveying belt, so that the mulching film fragments are attached to the surface of the recycling conveying belt, are transferred into a drying chamber and are matched with an air heater to be recycled and dried, and pesticide on the surfaces of the mulching film fragments is degraded by a degradation reagent sprayed in the transferring-in process; the air guide mechanism guides air flow and cooperates with the flat air jet head and the inclined air jet plate to discharge the air flow in a split-flow manner, so that the air flow is utilized to reduce sludge blockage of the discharge port at the bottom of the discharge groove and maintain the bottom temperature of the opening-closing screen, and the situation that the temperature of the opening-closing screen is too high, and consequently mulching film fragments accumulated on the top face of the opening-closing screen are melted and attached is avoided.

The utility model discloses an on-film soil covering machine which comprises a rack, a middle soil feeding roller device is arranged on the inner side of the rack, and side edge soil covering devices are symmetrically arranged on the rack on the two sides of the middle soil feeding roller device. The film soil covering machine has the advantages that when the film soil covering machine is used, loose soil between ridges is lifted through rotation of the film edge soil covering disc, one part of the soil falls to the upper portions of the two sides of a mulching film under the action of gravity after being turned up, and the other part of the soil is pushed to the spiral blades of the taper disc and then is lifted to the high point through rotation of the taper disc. Soil falls into the inner end of the transverse soil feeding roller, then the soil is conveyed to the soil outlet hole in the middle through spiral pushing of the spiral blade of the transverse soil feeding roller, and the soil leaks out of the soil outlet hole and falls to the position above the mulching film, so that soil covering on the film is achieved, and trouble and labor are saved; uninterrupted soil covering operation on the two sides of a laid mulching film and spaced soil covering operation on the upper portion of the mulching film can be conducted, and the labor intensity of planters is greatly reduced.

The invention relates to the technical field of seeding machines, in particular to a film mulching device and a film mulching hole seeding planter, the film mulching device comprises a traction rack, a mulching film roller is arranged on the traction rack, the mulching film roller is used for mounting a mulching film, the traction rack is used for driving the mulching film roller to advance, and the film mulching device further comprises two groups of soil covering assemblies which are respectively arranged on two sides of the advancing direction of the traction rack; the soil covering assembly comprises a ditching structure and a conveying structure, and the ditching structure is arranged on the traction rack and located in front of the mulching film roller. The conveying structure is arranged on the traction machine frame, the ditching mechanism is arranged in front of the mulching film roller, digging can be conducted on one side below the mulching film roller to form a groove, dug soil is conveyed to the position behind the mulching film roller through the conveying structure, the conveying structure conveys the dug soil to the side edge of a mulching film, and the side edge of the mulching film is pressed in the groove through the soil. The mulching film can be further compacted, the possibility of mulching film displacement during hole sowing is reduced, the probability of seedling pressing under the mulching film is reduced, and therefore the yield of crops is increased.

The utility model discloses a self-adhesive agricultural mulching film, which relates to the technical field of agricultural mulching films, and comprises a middle film, two sides of the middle film are fixedly connected with side films, the mulching film is in cohesive connection with ground soil through a cohesive layer at the bottom of a cohesive weed suppression layer, and the design of ensuring the cohesive gradient ensures that the cohesive of a central area is larger. After the sticky protrusions are combined with the soil, the laying efficiency of workers is improved, fixing through U-shaped nails is not needed, physical loss is reduced, the labor intensity of the workers is reduced, the sticky strength of the edges is small, film uncovering is facilitated, the film uncovering speed is increased, and the waste film recycling speed is increased. A plurality of groups of dividing holes are arranged in sequence to realize temperature adjustment and promote plant growth, the directional flow guide grooves adopt the design of V-shaped grooves, namely the design of inclination angles, so that the rainwater diversion efficiency is improved, drainage can be helped, and waterlogging damage to roots can be effectively prevented; and the problem that the mulching film is lifted due to overlarge wind force is effectively prevented.

The invention provides potato planting equipment, and belongs to the technical field of agricultural machinery. Comprising a fixing frame body, a traction rod and a supporting plate are installed on the two sides of the fixing frame body respectively, a seed box and a conveying device are installed in the middle of the fixing frame body respectively, the seed box is located on the side, close to the supporting plate, of the middle of the fixing frame body, and the conveying device is located on the side, close to the traction rod, of the middle of the fixing frame body. A driving device is installed at the position, close to the bottom, of the fixed frame body, a linkage rod is installed on the driving device, the driving device is in linkage with the conveying device, and the driving device can drive the conveying device to convey the potato planting blocks; and the seeding assembly is used for automatically seeding the potatoes on field ridges. Through the arrangement of the seeding assembly, not only can a mulching film be quickly cut and pits meeting the planting depth requirements of the potato planting blocks be dug, but also soil can be automatically covered after the potato planting blocks are placed, so that the planting efficiency of farmers is effectively improved.

The present application relates to a kind of film covering device in seedling stage, including bracket, two film pressing assembly and two soil cutting assembly, two film pressing assembly all include film pressing roller, two soil cutting assembly all include vertical linear drive and soil cutting group, the left and right ends of bracket are all fixedly connected with soil guide groove, two soil guide grooves are respectively opened to corresponding soil cutting group towards front, and two soil guide grooves are all inclined to be arranged, and high end is all connected with the soil storage groove of upward opening, the groove top of two soil storage grooves is communicated with corresponding soil guide groove, and the groove wall is mutually through opening and forms the soil outlet of corresponding groove bottom, two soil storage grooves are all fixedly connected with the soil guide plate of one end communication corresponding soil outlet, the other end of two soil guide plates is all located in the rear of corresponding film pressing roller, and higher than corresponding film pressing roller.The present application can improve the technical problem that film covering device can not effectively push, transport mud when mud in prior art can exist hardening phenomenon, influence the effect of mulch soil pressing.

The invention discloses a land film mulching device which comprises a supporting assembly, a moving assembly, a ditching assembly, an unwinding assembly, a film pressing mechanism and a burying assembly, the moving assembly is arranged on the supporting assembly and comprises a moving frame, rolling wheels and a soil loosening rod, the moving frame is installed on the supporting assembly, the rolling wheels are rotatably installed on the moving frame, and the soil loosening rod is installed on the rolling wheels. The soil loosening rod is mounted on the roller; the trenching assembly is arranged on the supporting assembly and comprises a fixing frame, a triangular sleeve, a hydraulic cylinder and a trenching plate, the fixing frame and the triangular sleeve are installed on the supporting assembly, the hydraulic cylinder is connected with the fixing frame, the trenching plate penetrates through the interior of the triangular sleeve in a sliding mode, and the extending end of the hydraulic cylinder is connected with the trenching plate; the film pressing mechanism and the burying assembly are arranged on the supporting assembly. Therefore, digging treatment of ditches on the two sides of a film mulching site can be synchronously completed before film mulching, soil turning and covering on the two sides of a mulching film are efficiently completed after film mulching, and therefore the overall efficiency of mulching film covering is improved.

The utility model belongs to the technical field of agricultural planting equipment, and particularly relates to a peanut planting mulching film trepanning device which comprises a supporting shaft, a handheld assembly, a plurality of mounting sleeves, a plurality of supporting rods, a plurality of film ironing heads, a plurality of supporting buffer assemblies, a guide assembly, a first limiting assembly and a second limiting assembly. The device is reasonable in design, convenient to operate and high in practicability, meanwhile, the distance between the adjacent mounting sleeves can be adjusted according to needs to adapt to different line distances, and the device can make contact with a film on the ground in the process that the supporting rod moves with the axis of the supporting shaft as the center and provide supporting and buffering for the supporting rod in the first step; the situation that the mulching film is damaged due to the fact that large impact force is caused to the mulching film when the supporting rods move to the vertical state is avoided, meanwhile, the movement stability of the film ironing head can be kept, the punching effect can be improved, and the operation continuity of mulching film punching can be effectively achieved.