1275 results about "Crop cultivation" patented technology

The invention applies to the tea crop production, which can improve the soil structure and provide adequate moisture, oxygen and nutrition to improve the yield and quality in tea crop cultivation. The invention relates to a liquid fertilizer containing microorganisms, organic matters and inorganic matters. The fertilizer adopts biological technology and electrolysis technology which complement each other, takes micro-organisms and mineralized substances as additive, as well as combines with nutritional formula (nitrogen, phosphorus, potassium, sulfur, magnesium, calcium, silicon, boron, zinc, iron, molybdenum, bacterial protein, amino acid, humus, plant nucleic acid, B vitamins, active enzymes and unknown factors which promote crop growth), so as to provide adequate nutrition for crops and improve soil to make the soil conducive to tea crop cultivation. Through biotechnology, the micro-organisms in a dormant state are added to the fertilizer and are activated under favorable environmental conditions to decompose the animal and plant residues, pesticides, fertilizers, heavy metal residues and minerals in the soil so as to change the contents of nitrogen, phosphorus and potassium. Through electrolysis technology, the mineralized substance additive enables the soil to produce a chain reaction to moisture and oxygen supply, so as to gradually change the ion charge in the soil, increase the soil oxygen supply amount, improve the moisture infiltration capacity and strengthen the conditions for microbial activities.

The present invention relates to pest and disease preventing and controlling agent containing several kinds of microbes and its production process. The pest and disease preventing and controlling agent consists of several kinds of biocontrol microbes and beneficial microbes, nutritive liquid for the microbes to grow, plant source medicine and diatomite as adsorbent. It has high and lasting effect, less resistance, less environmental pollution, simple production process and stable quality. It is used in preventing and controlling pests and diseases in crop and city plant and in preventing and controlling roach, mosquito, fly and other pests.

The invention discloses a spatial soilless vegetable planting method. The method is characterized by comprising the following steps: a. selecting two or more raw substrate materials such as biogas residue, furnace slag, grass carbon, decomposed fermentative crushed crop straw, decomposed fermentative crushed wood shavings, decomposed fermentative sawdust, decomposed fermentative lees and decomposed fermentative spent mushroom, and mixing the selected raw substrate materials to prepare a culture substrate; b. erecting a spatial cultivation groove in the existing facility space; c. installing a drip irrigation system, d. planting vegetable crops on a suitable upper layer and a suitable lower layer of the cultivation groove; and e. cultivation management. In the method, the vegetable cultivation is realized by carrying the culture substrate in a certain frame groove to artificially make an 'artificial land' in the limited facility space, the soilless vegetable cultivation is convenient as land cultivation and needs no nutrient solution, and the organic substrate and solid fertilizers provide nutrients necessary for growth and development of the vegetables, which can be accepted by vegetable growers, can improve utilization ratio of the facility by 50-200%, reduce cost by 30-60% and increase yield by 50-100%.

The invention provides a new modifying agent formulation for alkaline soil, which can improve the alkaline soil modifying efficiency by calcium sulfate and phosphogypsum, and the product can be also used in alkali and arid area. The product comprises the following components by weight: calcium sulfate 1,straw 0.5-1.5, urea 0.01-0.08. The important contribution of the invention is that it takes the advantage of straw and mixes with calcium sulfate or with fertilizer industrial waste which combines the chemical modifying with physical modifying, which can improves the soil consolidation essentially, and the modifying effect is obviously better than simple chemical modifying on the condition of not proceeding eluting. The product can not only be used in the ground-crop cultivation proceeding irrigation and draining, but also can be used in forest plantation which not proceeding manual irrigation.

The invention relates to the crop growing field, particularly relates to a soil improver taking biomass particle carbide discarded in agriculture and forestry as a matrix and a preparation method thereof. The carbon-base soil improver comprises biomass particle charcoal, calcium magnesium phosphate or calcined lime, and binder, and also comprises other fertilizers, such as urea, monoammonium phosphate powder, potassium chloride, zinc sulfate, boricfertilizer, manganese sulfate, ammonium molybdate, ferrous sulfate and copper sulfate and the like. The biomass particle charcoal is a black powdered carbon particle (carbon soot) generated by incomplete combustion of the biomass under hypoxemia condition, has various properties similar with soil humus (acid) and strong ability to absorb and maintain nutrients, such as nitrogen, phosphorus and potassium and the like, and has obvious water retention and moisture preservation effects. The soil improver prepared by the preparation method has the characteristics of soil structure improvement, moisture and fertility preservation, temperature increasing, efficient environmental protection and wide application prospects and the like.

The invention discloses a high-yield cultivation method for kudzu roots, belonging to the technical field of crop cultivation. The high-yield cultivation method is characterized by mainly comprising the steps: cultivating kudzu seedlings; planting the kudzu seedlings; performing field management; harvesting the kudzu roots; reserving seeds for planting and the like. A cuttage breeding method is adopted for cultivating the kudzu seedlings; 1,000-1,300 kudzu seedlings are planted per mu during planting of the kudzu seedlings; the field management is performed with shelving, trimming and nutrient and water management as the core. Compared with the prior art, the high-yield cultivation method has the advantages that an intensive cultivation method is adopted, so that the kudzu seedlings grow strongly and have high stress resistance, the field management such as shelving and trimming is adopted, so that the illumination area of kudzu vines is increased, the photosynthesis is enhanced, meanwhile, the application of a root basal fertilizer and the application of a foliar fertilizer are of the same importance through a scientific fertilization method, the synthesis of kudzu rootstarch is promoted, and the yield is improved. The cultivation method is easy to operate and convenient to implement and has a good economic benefit.

The invention relates to crop cultivation technology, in particular to high yield cultivation technology for vegetables, which is suitable for cultivating vegetables such as Solanaceae (tomatoes, eggplants, hot pepper and the like) and Cucurbitaceae (cucumbers, pumpkins, hornedmelon and the like), and belongs to the technical field of crop cultivation. The technology comprises the steps of seed breeding, cultivation management, extermination of disease and insect pest and the like; from the seed breeding, through a series of ordered management technology, seeds are grown to the vegetables which become safe foods on the dining table of people; and the economic benefit of vegetable growers is effectively improved.

Disclosed are: a lighting environment control facility capable of controlling light to be irradiated on cultivated crops to an optimum condition for the growth of the crops, thereby activating a natural defense of the crops against pests; a pest control method capable of determining whether or not to control pests of cultivated crops and controlling the pests on the basis of the determination; and an intensive cultivation method. The facility is used for pesticide-free cultivation, and includes a crop cultivation house which is formed of a light transmissive material and in which crops are cultivated, and a lighting control unit that controls the light to be irradiated upon the crops in the crop cultivation house. The lighting control unit is adapted to control spectral radiance (B1) of a wavelength range of blue light, spectral radiance (R1) of a wavelength range of red light, and spectral radiance (FR1) of a wavelength range of far-red light among the light to be irradiated on the crops that are cultivated in the crop cultivation house so as to be a predetermined condition.

The invention relates to a production method of high-yield organic rice and belongs to the technical field of crop cultivation. The production method of the high-yield organic rice is a method for rice and soft-shelled turtle culture and shrimp-fish culture and comprises the following steps of (A) rice field transformation, (B) rice cultivation, (c) soft-shelled turtle, shrimp and fish culture, (D) daily rice management and (E) product harvest. The production method of the high-yield organic rice has the advantages of utilizing ingestion and activities of soft-shelled turtles, shrimps and fish to perform fertilizer increase, weeding and disinsection on a rice field, playing fertilizer applying, weeding, disinsection, disease prevention roles and the like, achieving internal material and energy circulation of a rice field ecological system, reducing dependence degree of the agricultural product yield and quality on the surrounding environments, keeping stable and high rice yield, remarkably improving the economic rice benefit and promoting large-scale organic rice production.

The invention belongs to the technical field of crop cultivation, and particularly relates to a cassava blossoming regulation and control technology. The cassava blossoming regulation and control technology is characterized by comprising selection and preparation of land, plantation management, regulation and control of the blooming period, flower retention, regulation and control of the ratio of female flowers to male flowers, measurement of the pollen activity, pollination experiment and cross breeding. Stable and superior hybrid seeds are obtained by adopting a chemical regulation and control method and a manual agricultural measure regulation and control method. The cassava blossoming regulation and control technology has the characteristics of early blossoming time, high blossoming rate and easiness in technical operation, and is suitable for cross breeding in most cassava planting areas in China.

The invention applies to the tobacco crop growth, which can improve the soil structure and provide adequate moisture, oxygen and nutrition to improve the yield and quality in tobacco crop cultivation. The invention relates to a fertilizer containing microorganisms, organic matters and inorganic matters. The fertilizer adopts biological technology and electrolysis technology which complement each other, takes micro-organisms and mineralized substances as additive, as well as combines with nutritional formula (nitrogen, phosphorus, potassium, sulfur, magnesium, calcium, silicon, boron, zinc, iron, molybdenum, bacterial protein, amino acid, humus, plant nucleic acid, B vitamins, active enzymes and unknown factors which promote crop growth), so as to provide adequate nutrition for crops and improve soil to make the soil conducive to the cultivation of tobacco crops. Through biotechnology, the micro-organisms in a dormant state are added to the fertilizer and are activated under favorable environmental conditions to decompose the animal and plant residues, pesticides, fertilizers, heavy metal residues and minerals in the soil so as to change the contents of nitrogen, phosphorus and potassium. Through electrolysis technology, the mineralized substance additive enables the soil to produce a chain reaction to moisture and oxygen supply, so as to gradually change the ion charge in the soil, increase the soil oxygen supply amount, improve the moisture infiltration capacity and strengthen the conditions for microbial activities.

The invention discloses a crop rotation method for southern rice areas. In a cycle of two years, summer dryland commercial crops, winter dryland cereal crops, rice and winter green manure crops are rotationally planted; rotation of paddy field crops and dryland crops is adopted; soil structure is improved, and less disease and insect damage occurs; crops for rotation are reasonably arranged; the winter crops are planted, and land utilization rate is increased; the green manure crops are planted, farming and land maintaining are combined, and soil fertility is improved; the commercial crop planting and cereal crop planting are combined, and economic benefit is increased.

The invention relates to a method, a system, apparatus, and software to be used for the method for the determination of the environmental impact of the production of cultivation plants and for increasing or maximizing a positive environmental impact. In the method, production parameters for cultivation are selected and cultivation procedures are performed, crop yieldhus produced is harvested, and a representative sample of the crop yield is delivered to reception analysis with the appendant information for the analysis of energy and carbon dioxide factors. An environmental impact index reflecting the environmental impact of the production of said cultivation plant is determined on the basis of this data and the appendant information. The index thus provided is utilized for the production of cultivation plants in an environmentally friendlier manner.

The invention discloses a film mulching and ridging salt-tolerance planting method for sweet sorghum in coastal beach saline-alkali soil, and belongs to the technical field of crop growing. According to the method, base fertilizer is sufficiently applied in the saline-alkali soil in a coastal beach area, wherein the salt content of the saline-alkali soil is lower than 0.5%; after the soil is finely prepared, ditching is carried out to make beds according to the standard that the width of each bed face is 3-4m; the sweet sorghum is planted in large lines and small lines in suitable density according to the salt content of the soil, wherein the large line spacing is 80cm, and the small line spacing is 40cm; sweet sorghum species of which the growth period ranges from 110 days to 120 days are selected and used to be seeded in the last ten-day period of May and the first ten-day period of June; if soil moisture content is low, irrigation can be carried out to improve the soil moisture content, and seeding is carried out after the soil moisture content reaches a suitable value; after seeding and earthing, the small lines are covered by mulching film, small high ridges with the height of about 5cm and the width of about 10cm are heaped at the film edges, and seedlings are led out of the film timely after emerging. The high-yield culture techniques such as final singling and seedling keeping management, base fertilizer application, jointing fertilizer dressing and disease pest and weed integrated control are adopted after seedling emerging for field management, and the high yield of the sweet sorghum with the stem and leave fresh weight reaching 4-5ton per mu can be achieved.

The invention discloses an active organic bacterial fertilizer and a preparation method of the active organic bacterial fertilizer. The active organic bacterial fertilizer takes plant ash, industrial and agricultural wastes containing organic matters, and an inorganic fertilizer as raw materials, and is prepared by once continuously fermenting, pelletizing, drying and screening bacterial strains bred from the raw materials. The preparation method of the active organic bacterial fertilizer can consume a large amount of wasted industrial and agricultural wastes containing the organic matters, reduce the environmental pollution, and also solve the problems of soil hardening, fertilizer efficiency reduction and environmental pollution caused by long-term fertilizer application in the crops cultivation and urban landscaping processes. The preparation method of the active organic bacterial fertilizer can provide the novel fertilizer source for the agricultural production.

The invention discloses a crop and insect co-cultivation box which comprises a box body (1) and a seedling raising disk (4), wherein, an upper cover (2) is arranged at the top of the box body (1), and a box door (3) is installed at the upper part of a front wall of the box body; a rightwards opened square-shaped lug boss (5) used for holding the seedling raising disk (4) is arranged on the inner wall of the box body (1); the upper edge of the seedling raising disk (4) is positioned on the upper side of the lug boss (5); a lighting device (6) positioned on the lower side of the upper cover (2)is arranged at the upper part of an inner chamber of the box body (1); a blower (7) is arranged at the upper part of a rear wall of the box body (1); a liquor feeding pipe (9) communicated with the inner chamber of the box body (1) is arranged on the outer side of the lower part of the box body (1); and a control switch (8) is arranged on the liquor feeding pipe (9). The crop and insect co-cultivation box provides a crop and insect co-cultivation platform that achieves full automation, good effect, low construction cost and wide application range, and can be widely applied to crop and insect interaction researches such as crop cultivation, insect raising, insect resistance of crop, and identifications on disease resistance of bacteriosis and virus of insect vectors.

The invention relates to a double cropping rice nitrogen-saving high-yield production method. A double cropping rice planting region is selected; 15 to 30 days before late rice is harvested, astragalus sinicus planting is carried out; after the late rice is harvested, ditching is carried out according to an astragalus sinicus planting technology; 30 to 50kg of calcium magnesium phosphate fertilizer is applied per mu; 1 to 2kg of potassium chloride used as a base fertilizer is applied per mu; 10 to 15 days before early rice is transplanted, dry tillage and plowing pressing are carried out; land preparation is carried out according to the early rice planting requirements; azolla is bred; and after shoal water of field water, which has a height of 1.5 to 3.5cm, is kept for 8 to 10 days, the base fertilizer is applied to carry out early rice transplanting. During growth of the early rice and the late rice, duckweed utilization is naturally carried out; before the late rice is transplanted, a sustained-release nitrogen fertilizer is applied in one step as the base fertilizer; and on mid-to-late September in the next year, circulation operation of farming of planting astragalus sinicus green manure crops and the like is carried out. According to the invention, astragalus sinicus green manure is planted during the slack winter season of double cropping rice planting, the azolla is bred during growth of rice, the rice special sustained-release nitrogen fertilizer is applied to the late rice in a decreasing manner, the astragalus sinicus and the azolla are utilized to fix nitrogen and adsorb carbon, the land is maintained by the land, organic materials and an organic nitrogen source are provided for rice, nutritive substances in the double cropping rice field, which are easy to loss, are adsorbed, non-point source pollution is reduced and fertilizer supply and the fertilizer requirement of rice are coordinated and consistent.

The invention belongs to the technical field of crop cultivation and especially relates to a cultivation method for eggplant seedlings. The cultivation method comprises the following steps of selecting the variety of the eggplant; pre-processing the seeds; allocating nutrient soil with the characteristics of evenly mixing 4 parts of rich rural land, 3 parts of decomposed wormcast and 3 parts of sieved fine slag, adding 1kg calcium superphosphate into one cubic meter of bed soil, flatly paving 6-10cm thick nutrient soil on a seedbed, and filling and slightly compacting the rest nutrient soil into a seedling-culturing caved plate for standby; mixing 8-10kg 50% thiram wettable powder or 50% carbendazim wettable powder into 3kg rural land, fully mixing and making into drug soil, and evenly scattering the drug soil onto the seedbed; sowing; and performing seedling management. The seedlings cultivated by adopting the nutrient soil and the cultivation method provided by the invention have strong growth vigor, advanced root system, strong disease resistance and high adaptability after transplanting.

The invention relates to an agricultural weeding earth membrane capable of being completely biodegraded. The agricultural weeding earth membrane consists of PBAT, PBAT+PLA or PBA+PPC, a herbicide, a chain extender and a de-molding agent. According to a preparation method of the agricultural weeding earth membrane, a transverse type membrane drawing machine is used for carrying out membrane drawing. The method specifically comprises the following steps of: uniformly agitating the PBAT, the PBAT+PLA or the PBA+PPC, the herbicide, the chain extender and the de-molding agent by an agitator; carrying out extrusion modification and granulation on commixed materials by a double-screw extruder; then carrying out the membrane drawing by the membrane drawing machine to form a product; and cutting the membrane into ground membranes with different widths within a range of 35-120cm according to crop cultivation requirements. The ground membranes can be used for enabling the herbicide to be balanced and separated along the degradation of materials capable of being completely biodegraded so that the lasting performance of the pesticides is improved, times for contacting with the pesticides are reduced or are not needed, and the toxin to workers is reduced; and the ground membranes use the materials capable of being completely biodegraded, so that the ground membranes can be completely degraded by microorganisms in soil into CO2 and H2O absorbed by plants; and therefore, the physiochemical performance of the soil is not influenced and the agricultural weeding earth membrane is good for the growth of the plants.

The invention discloses a farmland ricefield eel cultivating method. Ditching and ridging are carried out on a farmland meeting the requirements of planting taro, corn or paddy, the width of ridging channels are determined by narrow bands and wide bands at intervals, the depth of the ridging channels are determined by shallow ridges and deep ridges at intervals, and the ridging channels are mutually communicated. 1-2 soil slops are built on each ridge every other 25-100 m. Crops are planted on the ridges, ricefield eel seeds are thrown in the channels for cultivating ricefield eels, and angleworms are placed on the ridges for feeding the ricefield eels. In the invention, an innovated mode and technology for planting crops and cultivating ricefield eels is constructed, the problem of low income of the traditional ricefield eel cultivating method and pure crop planting of the farmland is solved, the cultivated land resource of the farmland can be sufficiently utilized, and the ecological environment of the farmland is improved. By adopting the technology, farmers can obtain benefits for many years after investing once.

The invention discloses a simple and high-efficiency cultivation method for flue cured tobaccos in a tobacco-rice rotation area, and relates to the technical field of commercial crop cultivation. The cultivation method comprises S1. deep ploughing and upturned soil drying in the sun; S2. floating-seeding comprising floating-seeding pond management, seeding of floating-breeding, seeding control, and hardening seedling through sand culture; S3. tobacco field management comprising tobacco field ridging, cavity opening comprising plant cavity opening and fertilizing cavity opening, and fertilizing; S4. tobacco seeding transplantation; S5. mulch covering comprising mulch covering, mulch hole opening, and mulch breaking; S6. diseases and pests prevention; S7. bud inhibition; and S8. other management. The simple and high-efficiency cultivation method is labor saving, high in quality and high in efficiency, can be used for large scale production of flue-cured tobaccos in tobacco-rice rotation areas, and suitable for cultivating flue-cured tobaccos in large tobacco-rice rotation areas in south of the Yangtze River in a simple and high efficiency mode.

The invention discloses a tomato seedling grafting technology and a management method thereof and belongs to the technical field of crop cultivation. The tomato seedling grafting technology comprises the following steps of: setting a seedling growing green house, selecting seedling substrate, selecting stock, carrying out pretreatment on seeds and sowing, grafting according to operating procedure and managing after grafting. The tomato grafting seedlings provided by the invention adopt 'Qieza No.2' as the stock, so that the seedlings have good disease resistance, and early germination potential is strong; besides, stem of eggplant stock is thick, so that survival rate of grafted seedlings can be beneficially improved; meanwhile, an approach grafting technology and a late optimized and reasonable management method are combined, so that the survival rate is further improved in a practical grafting process, growth vigour of the tomato seedlings after grafting is strong, late fruit setting time is ahead of schedule, fruit yield is high, pulp colour is pure, taste quality is good, and commodity performance is extremely high.

The invention relates to a cultivation waste water trickle irrigation method for a wheat-corn crop rotation system in arid-semiarid regions. The method adopts cultivation waste water undergoing standard-reaching treatment, fully utilizes the advantages of a farmland trickle irrigation system, determines maximum farmland irrigation amount and reasonable irrigation frequency of the cultivation waste water for wheat and corns, and forms a water-fertilizer integrated staple-crop cultivation waste water irrigation system having ecological characteristics of the northern arid-semiarid regions on the premises of guaranteeing crop yield, quality and environmental safety. On the condition that the crops are high-yield, the method enables the cultivation-industry waste water to be effectively utilized, can reduce application amount of chemical nitrogenous fertilizer and further reduces surface source pollution.

The invention belongs to the technical field of crop cultivation and especially relates to an annual field-returning shifting planting method for wheat corn twice-harvested straws. The annual field-returning shifting planting method for wheat corn twice-harvested straws comprises the following steps: harvesting wheat by adopting a wheat combined harvester after the wheat is mature; distributing the straws in a stripped form on the surface of the soil; simultaneously applying fertilizer and sowing between the lines of wheat stubbles by adopting a corn no-tillage combined seed and fertilizer drill; harvesting corn by adopting a corn combined harvester after the corn is mature; cutting the corn straws and roots by a rotating cutter of the corn combined harvester and uniformly spreading on the earth surface; simultaneously deeply scarifying, rotating cultivating the seeding strips, deeply applying fertilizer, sowing wheat and pressing after planting by adopting a wheat deep scarification strip rotating cultivating combined seed and fertilizer drill. According to the annual field-returning shifting planting method for wheat corn twice-harvested straws provided by the invention, the crop straws can be returned to the field annually, the environmental pollution caused by burning the straws is reduced, the organic content of the soil is increased, the absorption and utilization for the soil water and nutrient of the crop root system are benefited and the yield increasing and synergism effects are obvious.

The invention discloses an active organic bacterial manure and a preparation method thereof. The active organic bacterial manure is prepared by the following steps of: performing one-time continuous fermentation, granulation, drying and screening on plant ash, industrial and agricultural wastes enriched with organic matters, and an inorganic fertilizer which are used as raw materials and inoculating bacteria subjected to breeding from the raw materials above. According to the active organic bacterial manure, the industrial and agricultural wastes enriched with the organic matters can be greatly consumed, and the environmental pollution is reduced; in the process of crop cultivation and urban greening, the problems of soil hardening, gradual fertilizer efficiency reduction and environmental pollution which are caused by that fertilizers are used year by year are solved; and a new fertilizer source is supplied to the agricultural production.

The invention relates to the technical field of crop planting, in particular to a planting method for early-ripe oriental sweet melons at a cold highland area. The planting method is characterized by comprising the following steps of: constructing small sheds in large sheds; dwarfing and promoting flower-formation; fine breeding and seedling; soil preparing and field-planting; field-managing; and timely harvesting. The planting method provided by the invention solves the problems that the cold highland area is droughty and hypothermal, the soil nutrients are slowly decomposed, the moisture of surface soil is rapidly evaporated, the grown plants are single and the planting economic benefits are bad, and the planting benefits of the early-ripe oriental sweet melons at the cold highland area are greatly improved.

The invention relates to a ramie planting method for restoring soil contaminated by heavy metal cadmium, and belongs to the technical field of crop cultivation and agricultural environment conservation and repair, and particularly relates to the ramie planting method for restoring the soil contaminated by the heavy metal cadmium. In recent years, the phytoremediation technology gradually becomes ahot spot which is concerned by the public and the scientific academia. However, the biomass of the heavy metal super-enriched plant is generally small, the economic value is not large, and the contradiction between ecological restoration and production continuity is difficult to harmonize. The invention provides the novel ramie planting method for restoring the soil contaminated by the heavy metal cadmium. According to the method, the ramie variety can be popularized in a large area, so that the effect of restoring the soil contaminated by the heavy metal cadmium in a short time is achieved while the yield of the ramie is kept to reach a relatively high level.

The invention belongs to the technical field of crop cultivation, and in particular relates to a method for cultivating soybeans and maize in the southern area by utilizing spatiotemporal dislocation on resources. The method comprises the following steps that: the maize selects compact type and middle short stalk early-middle maturity spring maize variety, and the soybeans select shade-tolerant lodging-resistant middle late maturity summer soybean variety; the maize is early sown at proper time, the soybeans are sown in time before or after rain of middle-late growing stage (May 25 to June 15) of the maize; the soybeans and the maize are planted by adopting wide-narrow rows, wherein the wide rows of the maize are 1.55m, while the narrow rows of the maize are 0.45m; when the soybeans are sown, 2 rows of soybeans are sown between the wide rows of the maize, and the distance between soybean rows is 0.45m, and the distance between the maize row and the soybean row is 0.55m; 2 plants of the maize are planted in each hole in two rows alternately, while 3 plants of the soybeans are dibbled in each hole in two rows alternately; nitrogenous fertilizer is applied to the soybeans according to the growing trend of field plants; and prevention and control to maize insects during symbiotic growing period of the maize and the soybeans are improved. The method sufficiently utilizes the advantage of niche complementarity of space and time of the soybeans and the maize in southern area on light, heat, water and earth resources to achieve the aims of improving the land utilization efficiency, improving peasant income, and realizing resource sustainable utilization.

The invention relates to the field of crop sowing, in particular to a semi-wild astragalus mongholicus sowing method which solves the problems that existing stragalus mongholicus sowing adopts natural growth and reproduction mode, period is long, output is low and the like. Steps are adopted as follows. Step (1): seeds are selected. Step (2): grains of sand are mixed into the seeds and are filtered out after the seeds and the grains of sand are roughly processed on a rice removing mill for once. Step (3): a land is selected and managed by being deeply ploughed 3-45 centimeters from the ground surface, base fertilizer is applied, farmyard manure is applied 2000 kilograms per mu, and bio-organic fertilizer is applied 50 kilograms per mu. Step (4): seeds are planted in arid lands, and processed seeds are sowed in ditches in a directed mode; the arid lands are irrigated, pregermination are first carried out on the processed seeds through boiling water, when the seeds expand or husks of the seeds rupture, the seeds are sown while the lands are wet. Step (5): field management is carried out. The semi-wild astragalus mongholicus sowing method gives preference to wild Mongolia stragalus mongholicus seeds, germination rate and germination speed are improved by means of special processes; sowing are carried out in a targeted mode according to two cases of arid lands and irrigated lands, so that the germination rate is further improved, and output of the stragalus mongholicus is improved, uniform field management is adopted, and operability of implementation methods is high.

The invention discloses a novel red light conversion film and a preparation method and an application thereof. The novel red light conversion film comprises a light conversion agent and a carrier; a red fluorescent powder is selected and used as the light conversion agent, and cellulose is selected and used as the carrier; the cellulose is a most abundant natural polymer on the earth and has the advantages of being safe, non-toxic and renewable, and a synthetic material of the cellulose not only has excellent mechanical properties but also is biodegradable. The novel red light conversion film is an important change to a conventional agricultural polymer material thin film; the natural polymer and the light conversion agent are combined, conventional renewable green resources are fully utilized, environmental problems brought by synthetic polymer is avoided, and optical properties are increased based on the traditional thin film. The light conversion film has high-efficiency stimulation at the wavelength of 200-600 nm, and can convert ultraviolet light and a part of visible light into red light useful for plant growth so as to improve the utilization rate of light energy; and the light conversion film can be used as agricultural greenhouse films and plastic films and is applied in crop cultivation, seedling growing and other aspects.