161 results about "Multiple cropping" patented technology

Disclosed is a high-efficiency lycoris and citrus interplanting method. The high-efficiency lycoris and citrus interplanting method includes interplanting lycoris under fruit trees such as citrus, covering the lycoris by rotten animal manure straws, managing by processes of fertilizing, weeding, insecticiding and the like, and harvesting after five-year planting. By the high-efficiency lycoris and citrus interplanting method, two kinds of economic plants can be produced on the same field, multiple cropping index is increased, labor cost is saved, production cost is reduced, yield is increased, and economic benefits are doubly increased.

The invention provides a method for planting corn in staggered large and small rows in two seasons, belongs to the technical field of planting of crops and adopts a double-season corn mode, a large and small-row staggered planting mode, a strip crop rotation centralized management mode, a previous season crop residue protective cultivating mode and a precision drilling mode on the basis of enhancing sunshine and heat resources in a multiple cropping planting area, protecting the recovery of farmland capability and enhancing unit area yield and agricultural comprehensive benefit. The mode of double-season corn comprises a yearly double-season seed harvesting mode, a seasonal silage corn and a seasonal seed harvesting mode and a double-season silage corn mode. In large and small-row staggered planting, small rows (30 to 45 centimeters) and large rows (70-90 centimeters) are switched and staggered in a previous season and a next season to form an alternate recovering mode; the centralized management mainly refers to cultivation management on a small-row area; a large-row area is a protective cultivation area; and the large and small rows form strip crop rotation. The method has the advantages of high material production capacity, high light temperature utilization ratio, capability of simplifying cultivation and saving water and fertilizer, and the like.

The invention discloses a crop planting mode recognition method which comprises the following steps: inputting remote-sensing vegetation index time series data, and determining the vegetation growth threshold; optimizing parameters by selecting training samples to obtain the shortest length of the growing season of the crops, the longest length of the growing season of the crops and the smallest growth magnitude of the crops; extracting the vegetation growth information which is the number of the growing season of the crops in one year, the length of each growing season of the crops and the growth magnitude of the crops, and eliminating the non-crops; calculating the number of the growing season of the crops to obtain the multiple cropping index in one year; and finally determining the crop planting mode comprehensively according to the multiple cropping indexes of the crops in the last year, current year and next year. Due to the adoption of the technical scheme, the crop planting mode can be recognized directly according to the remote-sensing vegetation index time series data, and the problems the experience of calculating parameters is deficient, and the peak numbers do not correspond to the crop planting modes are solved. The crop planting mode recognition method has the advantages of strong noise resisting capability, less required parameters and strong versatility.

The invention relates to a rainwater collection and water-saving irrigation pollution control system and method for a sloping field, wherein contour no-tillage straw mulching and contour plant hedgerow measures, rainwater collection cellars and gravity trickle irrigation equipment are comprised. The rainwater collection and water-saving irrigation pollution control method comprises the following steps of: designing 2-4 rainwater collection cellars from a slope top to a slope bottom according to the terrain of a river basin sloping field, wherein the sloping fields which is positioned above the rainwater collection cellars and subjected to the contour no-tillage straw mulching and contour plant hedgerow measures are taken as rainwater collection surfaces, and the rainwater collection cellars are mainly built in a semi-underground way, provided with two rainwater outlets along the ground and cellar bottoms and respectively connected with 2-4 gravity trickle irrigation equipment; and carrying out partitioning gravity trickle irrigation on sloping farmlands positioned below the rainwater collection cellars. The invention can effectively reduce the pollution of water losses and soil erosion on a water body by carrying out space-time integrated regulation and control on the water losses and soil erosion of the sloping field and the redistribution of collected rainwater according to the change of raining time and the characteristics of the sloping field, and solve the problem that the sloping field can not be irrigated in a dry season through the redistribution of the collected rainwater, thereby enhancing the multiple-cropping index and the output of crops of the sloping field; and in addition, the invention can be widely used for the integrated management and control of therainwater for the sloping fields in the southwest regions in China.

A lotus root triple-cropping cultivation technique includes the steps of A, seed selection, B, field selection, C, soil preparation and base fertilizer applying, D, sowing, E, field management, F, harvest and seed reserving for planting and the like. According to the lotus root triple-cropping cultivation technique, early-maturing variety selection, spring lotus root and summer lotus root planting during a specific time, sowing quantity, cultivation density and fertilizing amount increasing and other measures are adopted, so that based on double cropping, lotus root triple-cropping cultivation can be achieved, that is, a person can plant and harvest the lotus roots three times in one year in the same field, a traditional agricultural production farming mode is changed, the agricultural production resources are fully utilized, the multiple-cropping index is increased, the yield production per unit area is increased greatly, benefits are improved greatly, product supply is enriched, the continuous growing market demands are met, the development of the relevant sidelines are promoted, and the sustainability development of the lotus root industry is promoted by returning lotus leaves to the field and repairing fertility soil fertility.

The invention discloses a method for promoting high production and early-maturing of rapes. The method comprises the following steps: A. construction of close planting high production colony of the rapes: selecting high-production, high-quality and early-maturing rape types, applying a nitrogen fertilizer in advance at the ratio of base fertilizer, seedling fertilizer to 12th lunar month fertilizer of 7:2:1; B. selection of exogenous plant growth substance type and dose: adopting a potting method, spraying 1 mg L<-1> Brassinosteroid (BR) at the blooming period to promote dry matter transshipment after blooming; C. application of exogenous plant growth regulator in field: adopting potassium dihydrogen phosphate, boric fertilizer and BR according to a certain mixing ratio; D. selection of rape harvest time: 21-35 days after blooming when the physiological maturity period is reached, wherein the harvested oil content is increased by 0.5-1.0 percent. The method is feasible, can increase the rape yield and quality, allows the rape to properly mature earlier for being harvested ahead of time, so as to effectively relieve the season contradiction, and can promote rape production and multiple cropping agricultural development in our country.

The invention relates to a multiple cropping regeneration cultivation method for vegetables by utilizing all organic substrates and belongs to the technical field of agricultural production, and the multiple cropping regeneration cultivation method for the vegetables by utilizing the all organic substrates utilizes leafy vegetables such as lettuce, pakchoi and rape as main types. The multiple cropping regeneration cultivation method for the vegetables by utilizing the all organic substrates comprises the steps of mixing and fermenting enoki mushroom residues, common cultivatea mushroom residues, coconut residuum and grass carbon according to a specific proportion to prepare the substrates; filling the cultivation pot with the substrates; seeding or transplanting leafy vegetable crops and irrigating until the water permeates all the substrates; cleaning roots after harvest and recycling the substrates; subjecting the recycled substrates totop dressing, then refilling the cultivation port with the recycled substrates, and changing the crop species to continue cultivating; or placing the recycled substrates into soil. The cultivation pot can be placed in a greenhouse facility with polluted soil and on non-cultivated land such as deserts, gobi deserts, inner type courtyards and household balconies; the land is saved, the soil can be lay fallow and has a self-repair capability; and the cultivation substrates can be recycled so that resources are not wasted.

The invention discloses a multiple-cropping and no-tillage cultivation method of potato-direct seeding rice, belongs to a cultivation method of crops, and is applicable to seasonal southern rice regions. The multiple-cropping and no-tillage cultivation method comprises the steps of: rice straw is stored when the rice is harvested, the potatoes are covered for the whole no-tillage cultivation process, the straw and stem leaves of potatoes are flatly laid on borders when the potatoes are harvested, and the straw and stem leaves are watered and soaked and dried before the rice is sowed; and no-tillage direct seeding of rice is carried out in ridges, the water control irrigation method is adopted in the rice growing process, weeds are killed for only once, and simultaneously the fertilizing amount is reduced by 30 percent. The multiple-cropping and no-tillage cultivation method of potato-direct seeding rice tightly combines straw-covering no-tillage cultivation of potatoes with no-tillage direct seeding cultivation of rice, and realizes annual zero tillage of the rice field, fully cyclic utilization of straws of crops and reduced application of fertilizer and weed killer. In the technology disclosed by the invention, the resources of the rice fields such as soil, light and temperature are fully utilized, land utilization and land maintenance are combined, and high economic benefit is achieved; and the multiple-cropping and no-tillage cultivation method is characterized by labor saving, cost reduction, high yield, high efficiency and environment protection.

The invention provides a straw returned to field multiple-cropping method applicable to rice field-upland field rotation. The straw returned to field multiple-cropping method comprises the following steps of harvesting ripe rice through a harvester, smashing straws and laying the straws in the field flatly to dry and decay the straws; not performing plough before winter crop seeding, applying fertilizers, pulling the straws open, and seeding; after seeding, performing furrowing, earthing, fertilizer covering and seed covering through a front-loading furrowing and soil-throwing machine; opening ditches to perform water irrigation, keeping the waterflooding depth of 15cm-20cm, and draining water after waterflooding for 3-5 hours; performing final singling after seedlings of winter crops emerge, and reserving seedling space to be 1cm-30cm; harvesting ripe winter crops, smashing the straws, performing plough to returning the straws to the field, and irrigating to transplant rice seedlings after plough. By means of the straw returned to field multiple-cropping method, the straws are returned to the field in situ, labor intensity is not increased, air pollution caused by straw burning is avoided, seedling emergence quality of the winter crops is improved, and early seedling emergence and high yield of the winter crops are facilitated.

The invention relates to a high-yield cultivation method for peanuts, which belongs to the technical field of agricultural cultivation. The method comprises the following steps: A, land selection; B, seed treatment; C, sowing; D, fertilization time and mode; and E, seedling cultivation. By using the high-yield cultivation method for peanuts disclosed by the invention, the fertilization method for peanuts is rational and scientific, the soil property is improved, and the loss of inorganic fertilizers can be reduced; different sowing depths are adopted according to the difference among specific sowing modes, so that the specific growth conditions of peanuts are met; meanwhile, a wheat-row interplanted sowing form which is a cultivation mode designed for improving the multiple cropping index and fully using the soil fertility and light energy resources is adopted, so that the land utilization rate is improved, and the yield of peanuts is improved; and the seedling cultivation process is rational and scientific and meets the needs of peanut growth, so that obtained peanuts have an optimal quality and yield.

The invention discloses a four-crop-a-year cultivation method for a low-latitude high-elevation area dry land. The method is characterized in that the first crop is potato, the second crop is vegetable, the third crop is corn, and the four crop is cereal or vegetable; the potato is sown from the last ten days of December of last year to the middle ten days of January of the following year; the second-crop vegetable is sown when the third-crop corn is transplanted between corn lines; the third-crop corn is transplanted after the first-crop potato is harvested; and the four-crop cereal or vegetable is sown after the second-crop vegetable is harvested. According to the four-crop-a-year cultivation method for the low-latitude high-elevation area dry land, which is disclosed by the invention, the staggering and the collocation of different crops in time and space are fully considered, a proper cultivation mode is adopted to realize the four-crop-a-year cultivation method with high yield and high efficiency, good harvest is obtained, the multiple cropping index is improved, and the income of each acre is above 5300yuan. Compared with the traditional planting mode in the area, the economic income is improved by 41.6-66.87%, and a new cultivation technical mode is provided for the poverty alleviation and economic development of farmers in the area.

The invention discloses a cultivation method for concentrated boll opening of cotton in cotton regions of the South China. Through unique processes of seeding, fertilizing, topping, ripening and the like, cotton colony structure and cotton fruiting and boll opening modes are optimized, the total growth period of the cotton can be shortened by 60-70 days, and especially, the boll opening period of the cotton is enabled to be concentrated within 30-40 days, so that convenience is brought to manual concentrated cotton harvesting or mechanical cotton harvesting, 4-5 workers in harvesting links can be saved by manual concentrated cotton harvesting compared with current cultivation methods, and a season contradiction between cotton production and winter crop soil preparation is solved. The cultivation method is especially suitable for popularization and application in multiple-cropping cotton regions of the South China.

The invention discloses a continuous cropping method for triple cropping of cabbage, green soybean and marigold. The method includes the following steps that (1) seeds are selected; (2) crops for rotation are arranged, wherein sowing and seedling of the cabbage are carried out in the middle of October, transplantation and planting of the cabbage are carried out in the middle of November, the cabbage is harvested in early May, the green soybean is sown among plant lines of the cabbage in early April and harvested in early July, sowing and seedling of the marigold are carried out in late June and plated in the middle of July, flowers are gradually harvested in the middle to late September, and the marigold is harvested before first frost in the middle to late November ; (3) the cabbage are cultured; (4) the green soybean are interplanted; (5) the marigold is cultured. Triple cropping of the cabbage, the green soybean and the marigold is carried out in the same field, field space is effectively used, soil fertility is in full use, and joint arrangement of the crops for rotation is relatively reasonable. Soil physical and chemical properties are effectively improved. Harvest of triple cropping is increased by 30% compared with that of double cropping, and economic benefits are remarkable.

The invention relates to a method for using the regenerative capacity of broomcorn. The method is characterized in that: first broomcorn seeds are sown during a period from Match 1st to Match 5th, seedlings are transplanted before April 5th when the seedlings have six leaves and the broomcorn is harvest during a period from July 10th and July 15th in the same year; and regenerated broom corn seedling are subjected to water drainage for preventing waterlogging, moisture preservation and seedling raising, tiller removal and weeding and fertilizer application and hilling and harvested for the second time during a period from October 10th and October 20th in the same year. The method makes full use of the regenerative capacity of broomcorn and light and heat resources in late autumn, improves land multiple cropping index and economic benefits, advances sowing and planting of the first broomcorn, draws on the advantages and avoids disadvantages, and increases the yield of regenerative broomcorn. The technique can achieve grain yield of 989 kilograms per mu and output value of 2,187.75. And the technique realizes an increase of 239 kilograms in grain production and an increase of 942.75 Yuan in income per mu compared with the prior planting technique for wheat, corn and teocoma grandiflora.

An embodiment of the invention provides a two-year-triple-cropping high-yield cultivating method of winter wheat and summer corn and relates to the field of agriculture. The two-year-triple-cropping high-yield cultivating method includes that high-quality varieties of wheat and corn which are golden wheat 26 and Lingyu No.4 respectively are selected; the growth period of the two varieties is 343 days in total, solar heat resources are sufficiently utilized, multiple cropping in normal does not miss the farming season; the summer corn with the green is watered in the milk-ripe stage; in case of years with low-temperature corn seasons, sowing time of the golden wheat 26 ranges from October 5th to October 20th on the basis of increase of seeding rate, the lowest accumulated temperature before the winter is ensured to be 580 DEG C, and the accumulated temperature of 180-220 DEG C is given to enable the Lingyu No.4 to be grouted and ripened sufficiently; when content of rapidly available phosphorus in the soil is higher than 25milligrams / kilogram, phosphatic fertilizer is centrally applied to the golden wheat 26 all year round; the Lingyu No.4 is mechanically and directly sowed in double seeds and wide distance on a hard land with wheat stubble without tillage; straws directly return to the field. By the two-year-triple-cropping high-yield cultivating method, resource productivity is improved, and food production level of Tianjin city is enhanced.

The invention relates to the technical field of crop planting, in particular to a planting method for autumn buckwheat. The planting method is characterized in that multiple cropping is adopted after winter wheat is harvested until the winter wheat is planted, a buckwheat breed with a growth period of 70-80 days and strong antireversion force is selected, seed shining is carried out for 2-3 days before sowing, lukewarm water is utilized for soaking seeds, i.e. lukewarm water of 40 DEG C is used for soaking seeds for 10-15 minutes, floating un-plump grains are removed, plump grains sinking in the water are fished out for drying and sowing, water spraying and fertilization are timely implemented, harvest is carried out before the frost, the harvested buckwheat is bundled or bunched to be vertically and placed indoors, and buckwheat is enabled to be fully subjected to postripeness. The planting method has the beneficial effects that the autumn buckwheat is suitable for multiple cropping after the harvest of winter wheat, thus the agricultural planting benefits of a farmer are added, the requirement on urgent needing of buckwheat is met, the planting method is another option for carrying out various kinds of planting for the farmer, according to an experiment, the yield of each mu of autumn buckwheat subjected to multiple cropping is increased by 37 percent, the economic benefits are increased by 42 percent, and the autumn buckwheat is a project of cash crop planting which can be popularized.

The invention discloses an orchard simplified grassing and covering method comprising the following steps: mixed sowing Vicia villosa Roth and wild soybeans between lines in an orchard, one time fertilization, whole orchard alternative grassing and covering, and updating and multiple cropping; the invention also provides a matching mixed cropping fine-seeding fertilizer applicator comprising a frame and at least one fertilization sowing assembly; the Vicia villosa Roth and wild soybean growth periods are complementary, grow in a sprawl manner, are shallow in root system, strong in biological nitrogen fixation capability, small in water consumption, less in inspect and disease, shade tolerant and tread tolerant, thus simplifying orchard whole year alternative grassing and covering, improving production efficiency and planting benefits; Vicia villosa Roth and wild soybean mixed cropping mechanization sowing and fertilization are hard in the prior art, the mixed cropping fine-seeding fertilizer applicator can solve said problems, can realize mixed sowing, and fertilization mechanization and integration.

The invention discloses a cultivation method achieving high yield of multiple cropping silage maize and efficient utilization of water and nitrogen. The cultivation method is characterized by comprising following steps: selecting varieties and drying seeds in the sun; selecting farmland and performing sowing; performing field management at the seedling stage, jointing stage, teaseling and boll opening stage and filling stage. The cultivation method has following beneficial effects: strong operability and high yield of silage maize. By use of the cultivation method, the utilization rate of water and nitrogen is increased; environmental pollution caused by excessive irrigation and fertilization is reduced; economic benefit and social benefit are remarkable; the purposes of high yield, water conservation, fertilizer conservation, and efficient utilization of water and nitrogen of multiple cropping silage maize under drip irrigation are achieved. The cultivation method plays a great role in breaking through the limitation of water resources on bi-annual planting under drip irrigation in northern Xinjiang.

The invention relates to a long-sequence farmland irrigation quota measuring and calculating method which comprises the following steps: establishing a basic parameter database, and inputting farmlandbasic parameters into the database; Compiling a measuring and calculating program; Respectively calculating irrigation quotas of the dry crops and the rice; Further calculating a long-sequence comprehensive irrigation net quota according to the designed multiple cropping index on the basis of single crop irrigation quota calculation; And calculating the long-sequence farmland irrigation gross quota of each calculation partition according to the utilization coefficient of the irrigation water of each region. The long-sequence farmland irrigation quota measurement and calculation method can well overcome the problems of insufficient precision of irrigation quota and standard water quota in typical years, and can greatly improve the accuracy of agricultural water demand prediction results inwater resource planning, water resource development and utilization engineering scale demonstration, water resource demonstration report compilation and the like.

The invention provides a method and device for extracting a multiple cropping index, the method comprising: S1, obtaining a normalized vegetation index time series curve of a target area within a preset time period from the start time according to the start time of crop cultivation in the target area; S2, using a second-order difference method to obtain a peak in the normalized vegetation index time series curve, and if the peak is a single interference peak, performing condition smoothing on the single interference peak; S3, using the second-order difference method again to obtain a peak value in the normalized vegetation index time series curve subjected to the condition smoothing, calculating the total number of peaks in the normalized vegetation index time series curve subjected to thecondition smoothing, and using the total number of peaks a multiple cropping index of the target area. The method and device improve the extraction precision of the multiple cropping index.

The invention discloses a method for planting oat in a spring wheat field vacant in summer and autumn. According to the method for planting oat in the spring wheat field vacant in summer and autumn, through a series of technical means such as soil preparation, irrigation, sun-curing, seed selection, sowing, field management and harvesting, the problems that due to the fact that the spring wheat field is vacant in summer and autumn, the land utilization rate is low, cultivated land waste is caused, the soil moisture status deteriorates, and conflict between grass and livestock is caused are solved, grain is grown in the spring wheat field in spring, grass is grown in the spring wheat field in summer and autumn, the light resource, heat resource and water resource are fully utilized, the multiple crop index and land equivalent are increased, the contradiction between people and land is relieved, the land utilization rate can be increased, the soil water content and soil nutrient content are increased, high-quality forage is provided for the development of animal husbandry, the yield of high-quality oat hay can be 600-800 kg / 667 m<2>, economical benefits can be increased, and compared with the prior art that multiple cropping is not conducted, the net income can be increased by 580-900 yuan per mu.

The invention relates to the technical field of agricultural sowing, and provides a cottonseed sower for a reserved inter-row of cotton-wheat double cropping. A machine frame of the sower is provided with a primary soil smashing assembly unit which is used for smashing stiff soil in a sowing area; a soil scraping levelling assembly unit which is used for pushing aside surface soil and exposing ectonexine soil; a furrow opener which is used for inserting into the extonexine soil to form ditches; a seed-metering device which is used for sowing seeds in the ditches; a soil backfilling assembly unit which is used for backfilling the soil to the ditches and covering the seeds; a covering soil tidying assembly unit which is used for conducting clearing on the surface of the soil and controlling the thickness of the covering soil after sowing, wherein the primary soil smashing assembly unit and the soil scraping levelling assembly unit can reasonably remove dry soil surface in the reserved inter-row of the cotton-wheat double cropping, and the soil backfilling assembly unit and the covering soil tidying assembly unit can obtain reasonable sowing covering soil thickness of cotton seeds; in addition, by adjusting the heights of the assembly units, soil moisture and temperature change features under a multiple cropping mode can be fully made use of to conduct sowing treatments, depth of cotton sowing and quantification of the covering soil are controlled, and thus the cottonseed sower is helpful to realizing neat seedlings and is beneficial to management of emergence of seedlings of double cropping cotton.

The invention relates to a crop cultivation technology, in particular to an efficient intercropping technology of peanuts and cotton. The technology comprises the steps of planting land selection, land pretreatment, seed treatment, peanut planting, cotton planting, comprehensive management and timely topdressing. The technology has the advantages of being beneficial for improving the comprehensive productivity of crops, conforming to national agricultural industry policies, developing multiple-cropping intercropping, increasing the multiple-cropping index, increasing the income of farmers and achieving a win-win relationship between the farmers and enterprises.

The invention discloses a double cropping mode remote sensing monitoring method for bulk grain and oil crops in a double cropping area, and the method comprises the following steps: A, acquiring cropping information of a research area by combining with Chinese cropping zoning data, and carrying out geographical location zoning on the research area according to a longitude and latitude range; B, performing a series of processing on the high-resolution multispectral satellite image of the research area to obtain a preprocessed multiband image, an EVI gray image, an edgNDVI gray image, an LSWI gray image and a D-value gray image, of which the time phases can be distinguished in the northern region and the southern region of one year with two matures; C, classifying and identifying the two-season bulk grain and oil crops in the northern double-cropping area and the southern double-cropping area; D, optimizing a classification identification result by using a small plaque aggregation method; E, judging a multiple cropping mode. According to the invention, rapid and high-precision acquisition of the multiple cropping mode of the bulk grain and oil crops under a large spatial scale and a complex planting system can be realized.

The invention discloses a one-year two-season triple-cropping high-efficiency cultivation method for interplanting Spring Chinese cabbages in fresh waxy corns and cropping autumn green beans. Periods of crop-rotation are reasonably arranged, namely the Spring Chinese cabbages are interplanted in the fresh waxy corns in the first season, wherein the fresh waxy corns are sowed and seedlings are cultured from the middle ten days of January to early March in advance, and the fresh waxy corns are directionally transplanted from the beginning of February to the last ten days of March, and come into the market from the first ten days of June to the beginning of July; the Spring Chinese cabbages are sowed and seedlings are cultured from the beginning of February to the first ten days of March in advance, and the Spring Chinese cabbages are planted from the first ten days of March to the first ten days of April and come into the market from the middle ten days of April to the last ten days of May; the autumn green beans are grown in the second season, wherein after the spring Chinese cabbages and the fresh waxy corns are harvested, seeds are directly sowed from the first ten days of July to the beginning of August, and the autumn green beans are harvested from the first ten days of September to the beginning of November. As a scientific transplanting and multiple cropping method is adopted, the number of plants of interplanted vegetables is increased, the most proper fine varieties are selected, a seedling culture mode is improved, and seeding time and setting date are early, so that the market period is early, products can come into the market in slack season, production value is greatly improved, the market demand is met, and obvious economic benefit is obtained.

The invention discloses a cultivation method for rape and cotton continuous cropping, and belongs to the field of crop cultivation. The cultivation method of rape and cotton continuous cropping with both no-tillage, stubble direct seeding and no-uprooting cotton stalks is adopted, and the rape and the cotton are selected from early-maturing varieties; rapeseeds are directly spread between cotton stubble rows before the cotton is harvested, cotton stalks are free from uprooting after the cotton is harvested, the rape grows freely between the cotton rows, when the rape is harvested in summer, the cotton stalks are harvested, smashed and returned to field, and then the cotton is seeded directly in stubble in summer. According to the cultivation method for the rape and cotton continuous cropping, new varieties and new technologies are utilized, so that the symbiotic period of the rape and the cotton in the field is shortened, production in two seasons in a year and harvesting twice in a farmland are realized, thereby improving the annual benefits and increasing the multiple-cropping index; and the light simplified and mechanized operation is facilitated, the labor cost is reduced, andthe economic benefit is improved, and therefore the cultivation method is suitable for popularization and application.

The invention relates to a multiple cropping cultivation method for eggplants. The method comprises the following steps: performing eggplant seedling raising and cultivation; after first eggplants are harvested in a fruit harvesting period, performing pruning, smearing wounds with pasty pesticide ointment to prevent disease infection, and topdressing water full of fertilizer, wherein the pesticide ointment is prepared from 10 to 50 grams of agricultural streptomycin, 10 to 30 grams of 75 percent chlorothalonil and 5 to 40 grams of 20 percent virus A wettable powder, and virus A wettable powder comprises moroxydine hydrochloride and copper acetate; when new side branches are sprouted, performing foliar fertilization, and producing and harvesting second-crop eggplants; then performing pruning, fertilization and the like to harvest all third-crop eggplants according to a cultivation method for the second-crop eggplants. According to the cultivation method, the disease resistance of the eggplants is improved, the planting and harvesting period of the eggplants is greatly prolonged, the yield is 2 to 3 times higher than that of a conventional planting method, the quality of each crop is more stable than that of the conventional planting method, and economic benefits are improved.

The invention belongs to the technical field of plant seedling culture, and particularly relates to a beet paper tube seedling culture transplanting and multiple-cropping method. The multiple-croppingmethod comprises the following steps of seedling culture bed manufacturing, seedling culture soil manufacturing, seedling culture soil pretreatment, paper tube seeding, seedling culture bed management, transplantation following wheat harvest and field management. A warm area for planting winter wheat is used; the light and heat resources are rich; the land after the wheat harvest is unused; a paper tube seedling culture transplanting technology can be used for multiple-sowing of one season of beet; the effective resource utilization can be realized; the multiple-cropping index can be improved; the goal of increasing the agricultural production value is achieved; meanwhile, the multiple-cropping method is simple; the implementation is easy.

The invention relates to a one-year-four-harvest ecological high-efficiency cultivation technique for a potato, spring corn, a long bean and dried sea grass. Such a one-year-four-harvest cultivation technical mode not only has an interplanting element, but also includes seedling transplantation. According to the growth and development properties of various vegetable varieties, natural resources ofland crop rotation, a climate and the like are skillfully utilized; crop varieties of a vegetable and the like are enabled to achieve the perfect combination with a climatic condition; a corn stalk is utilized as a rack material of a next-rotation bean, so as to improve the occasion; an adverse factor is changed into a favorable factor; the cost is decreased; the labor is reduced; the benefit isincreased; a market resource is skillfully utilized; a seasonal vegetable in short supply is enabled to reflect higher value and the precedent that outdoor grain and the vegetable are subjected to multiple cropping in an interplanting manner and the output value per mu is 20,000RMB or above is created.