176 results about "Land preparation" patented technology

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

The invention belongs to the technical field of 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 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 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 invention belongs to the technical field of ecological restoration, and particularly relates to a method for restoring vegetation of a transformer substation in a high-altitude cold and arid region. The method comprises the following steps: 1) soil preparation and fertilization, and growing point planning; 2, holes are formed in the growing points, and seedlings are planted after a growth promoter is put in the holes; and 3) growing point management. According to the method, within 60-90 days, the vegetation coverage of the exposed ground surface of the transformer substation in the cold and arid region can reach the coverage degree larger than or equal to 95%, the height smaller than or equal to 15 cm, the landscape is uniform, and the overwintering survival rate is larger than or equal to 92%; reseeding is not needed in the planting period; single species, low plants and few vertical wilt objects meet the fireproof requirement of the transformer substation; the total cost is reduced by more than 40% compared with the traditional turf laying method; the whole process is less in irrigation, only 2-3 times of water replenishing are needed, water is saved by more than 80%, the defects of slow lawn building, difficulty in overwintering and high maintenance cost in the prior art are overcome, and the method has practical popularization and application value.

The present application provides a corn seedling cultivation system, which comprises a culture box and a transparent water culture box, the water culture box is surrounded by a support at the top, and the water culture box has a culture solution with the same height as the opening, the bottom plate of the culture box can be removed and placed on the water culture box support, and the culture box comprises a bottom culture medium layer, a corn seed layer and a soil cover from bottom to top. The present application also provides a corn planting method with high SOD content, which comprises the following steps: culture medium seedling culture; land preparation and planting; seedling stage management; ear stage management; flower and grain stage management. By changing the corn planting method and applying specific fertilizer during growth, the production of SOD active enzyme in corn is stimulated, thereby increasing the SOD content in corn fruits.

The application discloses a combined land-preparing machine tire smearing mechanism, which comprises a combined land-preparing machine, an oil cylinder, a pull rod, a connecting rod and a smearing plate; the oil cylinder, the pull rod and the connecting rod are hingedly arranged below a rack of the combined land-preparing machine, the oil cylinder is located between the pull rod and the connecting rod, a piston rod of the oil cylinder and the other end of the pull rod are hingedly arranged at the front of the smearing plate, and a V-shaped structure is formed between the piston rod and the other end of the pull rod; the oil cylinder and the connecting rod are the same hinging point, and the other end of the connecting rod is hingedly arranged at the tail end of the smearing plate. The smearing plate is arranged, so that the tire marks of the tractor can be smeared before the land-preparing machine performs land preparation, the amplitude of the land-preparing machine during operation is reduced, and the land-preparing quality is improved.

The invention relates to the field of medicinal material planting devices, in particular to a three-dimensional cultivation method for interplanting traditional Chinese medicine among fruit tree plants, which comprises the following three-dimensional cultivation device for interplanting traditional Chinese medicine among fruit tree plants: the three-dimensional cultivation device for interplanting traditional Chinese medicine among fruit tree plants comprises a cart plate; a plurality of supporting legs are symmetrically arranged at the lower end of the cart plate, wheel rods are arranged on the opposite sides of one pair of supporting legs, a transmission shaft is arranged between the other pair of supporting legs, and rolling wheels are arranged on the transmission shaft and the wheel rods; a soil loosening mechanism, a ploughing mechanism and a ridging mechanism are sequentially arranged on the cart plate, and a driving mechanism for driving is further arranged among the soil loosening mechanism, the ploughing mechanism and the ridging mechanism; according to the traditional Chinese medicine three-dimensional cultivation land preparation device, large-size soil blocks can be smashed, the problem that the large-size soil blocks roll into furrows under the influence of gravity is solved, meanwhile, multiple furrows can be formed in the ground, and the land preparation efficiency needed during traditional Chinese medicine three-dimensional cultivation is improved.

The invention discloses an ecological garden engineering soil preparation device, and relates to the technical field of soil preparation devices.The ecological garden engineering soil preparation device comprises a connecting frame, a grass root turning-out assembly is arranged at the left end of the bottom of the connecting frame, a grass root smashing assembly is arranged at the right end of the bottom of the connecting frame, and a soil rotary tillage assembly is arranged on the right side of the bottom of the grass root smashing assembly; a nitrogen fertilizer adding assembly is arranged in the grass root smashing assembly, and a mixture deep burying assembly is arranged at the bottom of the right side of the grass root smashing assembly and comprises a blocking plate fixedly arranged at the bottom of the right side of the U-shaped mounting frame. A mixture is extruded and output through a pushing column, the mixture can be buried in the deep position of soil while blockage is avoided, then the speed of rotting grass roots into organic fertilizer is effectively increased, in addition, nitrogen consumed during rotting of the grass roots can be compensated through addition of urea, and the fertilizer utilization rate is increased. And poor crop growth caused by nitrogen grabbing during rotting of grass roots is avoided while the rotting speed is further increased.

The invention provides adjustable automatic ditching equipment for land consolidation and an operation method thereof. The adjustable automatic ditching equipment for land consolidation comprises a ditching front-section support, a ditching assembly used for conducting ditching treatment on land, a soil separation detection assembly, a land leveling assembly used for conducting leveling action on the land subjected to ditching through the ditching assembly and a pre-soil-loosening assembly, the ditching assembly is installed at one end of the ditching front-section support, and the soil separation detection assembly is installed at the other end of the ditching front-section support. The soil separation detection assembly is installed at the end, away from the ditching front-section support, of the ditching assembly, the land leveling assembly is installed on the lower side of the ditching front-section support, and the pre-soil-loosening assembly is installed at the end, away from the ditching assembly, of the soil separation detection assembly. According to the adjustable automatic ditching equipment for land consolidation, through mutual cooperation of all the structures, pre-ground breaking can be conducted on hard land, the ditching efficiency of ditching is improved, simultaneous multi-angle ditching can be achieved, the application scene of ditching can be improved, and the adaptability of the adjustable automatic ditching equipment is improved.

The application discloses a forestry planting soil ploughing and land preparation integrated device and relates to the technical field of forestry land preparation equipment. The device comprises a rotary cultivator main body, a support frame, a gear box and a knife shaft in transmission connection with the gear box. The device further comprises an anti-winding assembly and a transmission assembly. The anti-winding assembly, the arc-shaped blade and the transmission assembly are arranged to form an isolation area at the end of the knife shaft in the early stage of starting the rotary cultivator, so as to prevent damage to the connection between the gear box and the knife shaft caused by sundries. In addition, when the end of the knife shaft is wound with a large amount of sundries, the first blade surface can cut the high-speed rotating sundries under the rotating cooperation of the knife shaft, so that the gathering of the sundries on the knife shaft can be effectively improved.

The present application relates to the technical field of land preparation equipment, in particular to a comprehensive land preparation equipment for cold land, which solves the problem that the land is hard due to low temperature in cold land, and it is difficult for general crushing structures to enter the land, and the cutter is easily damaged or broken due to large stress during the land crushing process. The comprehensive land preparation equipment for cold land comprises a rotary cultivator and a connecting hanging plate, the tail end of the rotary cultivator is provided with a lifting structure, the connecting hanging plate is connected with the lifting structure at the tail end of the rotary cultivator through a hook, one end of the connecting hanging plate is fixedly provided with a mounting bracket, the inner sides of the two ends of the mounting bracket are fixedly provided with end fixed plates, and the bottom of the two ends of the mounting bracket is fixedly provided with connecting blocks. The crushing transmission chain and the crushing sawtooth are perpendicular to the ground, the crushing transmission chain is in a rhombus shape and contacts the ground at one end, and the crushing transmission chain and the crushing sawtooth rotate counterclockwise to crush the land, so that the land crushing difficulty is reduced and the land crushing efficiency is improved.

The invention discloses a sweet potato seedling dual-purpose efficient planting method and application, and belongs to the technical field of agricultural planting. The method comprises the steps of soil preparation and fertilization, silver gray film covering and ridging, close planting and transplanting, topdressing, staged seedling cutting, intelligent vigorous growth control, comprehensive prevention and control of plant diseases and insect pests, harvesting and the like. Through soil pretreatment optimization, precise proportioning of base fertilizer and topdressing, collaborative optimization of a growth environment through a silver gray film, air holes and a drainage groove, collaborative regulation of a growth rhythm through staged seedling cutting and intelligent vigorous growth control, and multi-dimensional comprehensive prevention and control of diseases and insect pests, synchronous high yield of root tubers and seedlings is realized. A staged seedling cutting standard and nutrient dynamic regulation and control system is established, a physical environment regulation and control scheme of silver gray film covering ridging is optimized, an intelligent vigorous growth control and comprehensive prevention and control technical system is constructed, the method has the advantages of being high in resource utilization rate, environmentally friendly, wide in adaptability, remarkable in economic benefit and the like, the yield of seedlings per mu is 20,000-30,000, the yield of tuberous roots is 2500-3000 kg, the pure profit per mu is 5000-10000 yuan, and the method is suitable for large-scale popularization and application. The method can be widely applied to the sweet potato intensive planting industry.

The invention discloses a method for interplanting alpinia oxyphylla under a eucalyptus forest, belongs to the technical field of forestry cultivation, and aims to solve the problems of low ecological benefit and insufficient land utilization rate of a pure eucalyptus forest. The method comprises the following steps: collecting seeds in an improved variety garden, and sowing while collecting; strong seedlings are bred through seed treatment, germination acceleration, matrix preparation and environment-friendly novel liquid enzyme fertilizer; cleaning impurities and preparing the forest land, adjusting the pH value of the land and applying base fertilizer; weeding and loosening soil after field planting, applying a resin coated slow release fertilizer, spraying a foliar fertilizer in a flowering period, and preventing and treating diseases and insect pests. Practice shows that the method can improve the transplanting survival rate of alpinia oxyphylla, gives consideration to both economic benefits and ecological benefits, and provides a feasible technical scheme for underforest economic development.

The application provides a planting method of annual intercropping green manure suitable for orchards in plateau areas. The method mainly uses tartary buckwheat and light-leafed purple vetch as green manure plants, and clearly defines multiple key steps such as plot selection, pre-sowing land preparation, variety selection, seed treatment, green manure sowing, plant management and mowing and covering. The method can improve the utilization rate of nutrients in the soil, increase the content of soil organic matter, improve the soil quality, effectively inhibit the growth of weeds in the rows and on the ridges of organic apple orchards, reduce the cost of weeding, solve the high labor cost of organic apple orchards in Yunnan plateau mountainous areas caused by long-term clean tillage and weeding, and effectively alleviate the over-reliance on organic fertilizer. It is an annual intercropping mode for comprehensively improving the ecological and economic benefits of orchards.

The application discloses a straw ant cultivation method, which comprises the following steps: plot selection, land preparation, ant nest composite planting, straw feeding and mushroom management; the straw ant cultivation method is based on the biological ecology principle of ant foraging behavior, aims at creating suitable microorganisms, temperature and humidity microenvironment under different environments, and providing straw food to increase the foraging efficiency of ants, so as to increase the efficiency of straw decomposition of the ant nest system; in addition, the straw ant cultivation method can help to relieve the agricultural environmental problems of straw recycling, increase the yield of wild chicken conk and ant insect protein, and create economic value with high added value.

A land preparation implement includes a rotatable drum assembly that includes a tool assembly. The tool assembly includes a tool holder and a tool. The tool includes a plurality of cleats. The tool holder includes a plurality of cleat supports. The cleats and the cleat supports cooperate to facilitate releasable coupling of the tool to the tool holder.

The invention provides a desertification land ecological restoration method based on algae-moss composite biological soil crust. The method comprises the steps of algae and moss species screening, algae propagation, moss propagation and algae-moss co-culture, resistance domestication treatment, preparation of an algae-moss composite particle inoculant, soil preparation and microtopography optimization, field application of the algae-moss composite particle inoculant and maintenance after inoculation. According to the invention, the crust forming speed and structural stability can be obviously improved, the wind erosion resistance, water retention and nutrient fixation capabilities are enhanced, and long-term stable ecological restoration of the desertification land is realized.

The utility model relates to the technical field of nursery stock planting, and discloses a soil turning device for arranging nursery stock planting land, which comprises a bottom frame and a soil turning piece arranged on one side of the bottom frame, the soil turning piece is connected with a telescopic pressing rod piece, the bottom frame is provided with two fixing rods, and one ends of the two fixing rods are jointly fixed with a connecting block; the pressing rod piece comprises a lower connecting rod connected with the soil turning piece and an upper connecting rod fixed to the bottom of the grab rail. According to the lever principle, the lower connecting rod drives the soil shoveling rake teeth to rotate so as to shovel up soil, so that soil turning and tidying of nursery stock planting land are achieved, operation is easy and convenient, time and labor are saved, soil turning efficiency can be improved, and efficient soil turning and tidying of the nursery stock planting land are facilitated. And through the arrangement of the telescopic pressing rod piece, the pressing rod piece can meet the requirement of planters with different heights for soil turning operation, so that the planters with different heights can use the soil turning device conveniently, and efficient arrangement of a nursery stock planting field is facilitated.

The application belongs to the field of rotary cultivators, and particularly relates to a saline-alkali soil under-mulching land preparation and stubble cleaning machine, which comprises a frame connected with a tractor, a land preparation and stubble cleaning assembly and a main transmission box with a transmission assembly, the land preparation and stubble cleaning assembly is transmissionally connected with a power output end of the tractor through the transmission assembly, the land preparation and stubble cleaning assembly comprises a connecting frame with a secondary transmission box below the mulching film, a single-shaft smashing cutter arranged below the connecting frame, the single-shaft smashing cutter comprises a fixed cutter shaft with an upper end fixedly connected with the secondary transmission box, an annular stirring fin connected with the fixed cutter shaft through a rotating sleeve, the rotating sleeve is located in the secondary transmission box and transmissionally connected with the transmission assembly, the fixed cutter shaft is provided with a cutter located on the inner side of the annular stirring fin, and the connecting frame is provided with a first plow blade at the front end, without breaking or lifting the mulching film, the labor intensity is effectively reduced, the soil micro-plastic pollution is reduced, the soil water evaporation is reduced, and the soil salinization is improved.

The present application provides a planting method of planting Polygonum capitatum in corn. Specifically, the method for planting Polygonum capitatum by interplanting corn comprises the following steps: site selection of planting ground, seedling of Polygonum capitatum, land preparation, corn planting, transplanting of Polygonum capitatum seedling, field management, and harvesting. The present application also provides a Polygonum capitatum obtained by the method for planting Polygonum capitatum by interplanting corn. The method of the present application has excellent effects as described in the specification.

The present application relates to the technical field of medicinal plant cultivation, and particularly relates to a three-layered vertical interplanting method and system for phellodendron, gardenia and rosemary, which comprises site selection, land preparation, construction of a whole garden space coordinate system, standardization of upper phellodendron planting, precision interplanting of middle gardenia based on crown shadow characteristics, interplanting of lower rosemary pollination drainage belt suitable for gardenia flowering period, supporting layered targeted water and fertilizer management, root zone and light environment collaborative regulation, secondary metabolite collaborative green pest control, and staged harvesting whole-process management and control. The system is equipped with four linkage modules to realize whole-process standardized closed-loop management and control. The present application realizes spatial and time sequence collaborative adaptation of three different ecological niche medicinal crops, effectively solves the problem of interplanting competition for light and fertilizer, and improves the land utilization rate and the standardization level of ecological planting of Chinese medicinal materials.

The application discloses a kind of Hainan bead Amorphophallus konjac in rubber forest under-season anti-lodging cultivation method, including forest land selection, seed selection and seedling treatment, apply base fertilizer, land preparation and ridge, mulching and sowing, post-planting management, harvesting steps.This method makes full use of the characteristics that winter temperature in Hainan tropical region and bead Amorphophallus konjac growth temperature demand are relatively consistent, adopts the strategy of "avoiding", avoids the coincidence of the growth period of bead Amorphophallus konjac planted in conventional season in Hainan region and the typhoon, gale storm and other relatively extreme weather (mainly in August-October) in summer and autumn rain season, carries out anti-season forest cultivation of bead Amorphophallus konjac, prevents the adverse effects of Amorphophallus konjac lodging on Amorphophallus konjac yield, so as to realize the purpose of efficient intercropping Amorphophallus konjac under rubber forest.

The utility model relates to the technical field of farming, in particular to an adjusting mechanism for ploughing equipment, which comprises a height adjusting unit and a tool replacing unit which are mounted on the rear side of the ploughing equipment, the height adjusting unit comprises a mounting bracket and a driving mechanism, one end of the mounting bracket is mounted on the ploughing equipment, and the other end of the mounting bracket is mounted on the tool replacing unit. The other end of the mounting bracket is rotationally connected with a connecting frame, the connecting frame is detachably connected with a first groove-shaped mounting plate for mounting a farm tool, and the output end of the driving mechanism is hinged to the free end of the connecting frame; the tool replacing unit comprises a main transmission shaft on the ploughing equipment, and the output end of the main transmission shaft is rotationally connected to the rear side of the ploughing equipment through a bearing. By implementing the scheme, the multiple operation effects of irrigation, pesticide spraying, ridging and the like can be achieved while ploughing is conducted.

The invention belongs to the technical field of biological agriculture, and particularly discloses a method for improving soil fertility by intercropping tea champagne and enriching nitrogen circulating microorganisms. The method comprises the following steps of selecting a garden plot, performing soil preparation, and performing line-to-line intercropping on the big-leaf tea and the areca catechu. The invention discloses a method for improving soil fertility by intercropping tea champagne and enriching nitrogen circulating microorganisms, which can significantly improve the diversity of soil microbial communities, improve soil fertility, improve and maintain nitrogen supply by activating the microbial function of soil, and significantly reduce the dependence on chemical nitrogen fertilizer.

The application discloses a potato planting method suitable for northwest unused land and belongs to the technical field of potato planting. The method comprises the following steps: land preparation, seed selection, seed cutting, seed potato disinfection, sowing, whole growth period management and potato harvesting. The method is advanced in technology, low in planting cost and capable of realizing high yield and stable yield, and is suitable for the planting of potatoes on the northwest unused land.

The application discloses a sugarcane cultivation method for controlling sugarcane acidification, relates to the technical field of sugarcane cultivation, and solves the problems of unstable nitrogen fixation effect and low nitrogen fixation efficiency of sugarcane. The sugarcane cultivation method comprises land preparation, ditch planting, fertilization, intertillage, soil cultivation and disease and pest management, further comprises seed dressing treatment by using a nitrogen fixation promoter during sugarcane planting, the nitrogen fixation promoter is mainly formed by mixing of symbiotic nitrogen fixation bacteria and peanut root extract; and only the base fertilizer contains nitrogen fertilizer during the whole growth cycle of the sugarcane, and the fertilizers applied in other periods do not contain nitrogen fertilizer. The application improves the infection of the symbiotic nitrogen fixation bacteria, promotes the symbiotic effectiveness of the symbiotic nitrogen fixation bacteria and the sugarcane, solves the problem of unstable nitrogen fixation effect of the symbiotic nitrogen fixation bacteria of the sugarcane, achieves efficient nitrogen fixation, less nitrogen fertilizer application and the purpose of reducing soil acidification.

The invention discloses a soybean and corn intercropping film mulching and fertilizing method with a slow-release nitrogen fertilizer matched with a biodegradable mulching film. The method comprises the steps of field design, field soil preparation, fertilization, selection of the slow-release nitrogen fertilizer, sowing, mulching of the biodegradable mulching film, field management and harvesting. After crops are harvested, biodegradable mulching film residues are not collected, the biodegradable mulching film residues are naturally degraded in the field, before sowing in the next season, the mulching film residues are ploughed and buried into soil by the depth of 20-30 cm, and soil preparation is conducted again. According to the method, the field management cost and labor input are reduced, the problems that weeds are difficult to remove in soybean and corn intercropping and nitrogen fertilizer utilization in the later period of crops is insufficient when a biodegradable mulching film is applied in cooperation with conventional urea are solved, and meanwhile the yield increasing purpose is achieved; and the soil nitrogen fertilizer utilization efficiency is improved, the soil microbial activity is promoted, the stability of a soybean and corn strip intercropping system is ensured, and meanwhile, the situation that the crop growth nutrition is insufficient due to combined application of the biodegradable mulching film and conventional urea is effectively coped with.