39 results about "Cold frame" patented technology

The invention relates to a soil covering culture method for simulated wild glossy ganoderma, which comprises the following steps that: a glossy ganoderma culture bag is subjected to germicidal treatment, inoculated with strains of the glossy ganoderma when the temperature in the culture bag is cooled to about 30 DEG C, and then cultured under dark or weak light environment, and mycelia are grown full of the bag; a furrow is made on loosen sandy soil, drainage channels are arranged on the periphery, a glossy ganoderma bed is dug in the furrow, the culture bag is opened and vertically arranged in the glossy ganoderma bed in a way that the inoculation surface is upwards, the bag is covered with soil, gaps are filled by the soil, and the soil is kept moist; the glossy ganoderma bag is cultured continuously in the open air and promoted to grow the glossy ganoderma naturally; and a sunshade is erected after the fruit body of the glossy ganoderma is ripen, a rainproof plastic film is spread on the sunshade, the culture is continued, and ganoderma lucidum spore is collected. The method adopts a field open cold frame soil covering mode to grow the glossy ganoderma, changes the problem that the glossy ganoderma is always in the greenhouse environment in the prior art, reduces cost, only needs aseptic processing and humidity maintaining in the culture process, and is simple, high in programming and easy in promotion.

The invention discloses a method for a high yield of organic tomatoes.The method comprises the steps of establishment of a rotation system; variety selection; seed treatment, wherein seeds are subjected to dry heat sterilization and hot water immersion, wrapped in clean wet cloth and placed at the temperature of 28-30 DEG C for accelerating germination for 42-48 h, and sowing can be carried out when 70% or above of the seeds open and white buds are exposed; seedling growing, wherein seedling growing facilities such as a greenhouse, a shed, a cold frame and a hotbed are selected according to different seasons, an insect net and a shading net should be arranged for growing seedlings in summer and autumn, industrial seedling growing is adopted, and the seedling growing facilities are strictly disinfected; field management, wherein field water and fertilizer management, frame set-up or vine lifting, pruning and fruit management are included.The method for the high yield of organic tomatoes is beneficial to development of the organic agricultural industry, agricultural sustainable development is realized, a set of peculiar organic tomato production technology is formed, and a remarkable effect is achieved.

The invention discloses a method for quickly growing grape seedlings by a plastic nutritional bag. The method comprises the following steps of: (1) collecting cut strips; (2) manufacturing the nutritional bag; (3) manufacturing nutritional soil; (4) building a cold-frame seedling bed; (5) cutting; (6) laminating; (7) managing after cutting; and (8) planting. The method disclosed by the invention has the advantages that the survival rate of the grown seedlings is high, the land and the labor are saved, the management is simpler after cottage and the fruiting is early, so that the cost of the seedlings can be effectively reduced and the economic benefit can be improved.

The invention discloses an early-stage cultivation method of cucumber. The method comprises the following steps of: stubbles and varieties: wintering-cultivated stubbles can yield 15,000 kg of cucumber per 667 square meters, and early spring and late autumn stubbles can yield 8,000 kg of cucumber; nutrient soil preparation: the soil is evenly mixed and screened and then is put into a nutrient bowl or is arranged into a cold frame to be planted; sowing and transplanting: seeds are frozen or soaked with 55 DEG C hot water, are fished out and then are sterilized by a copper preparation, and then are put into 30 DEG C warm water to be soaked for 4-6 hours; suitable greenhouse structure: an ecological greenhouse with a span of 7 to 8 meters, a short back wall and a long roof is adopted; film selection requirements: the temperature polyethylene purple light film covered in winter is 1 to 2 DEG C higher than that of a green film, and the light transmission rate is 5% to 10%; and fertilizer application: in a greenhouse, if 15,000 kilograms of cucumber is produced per 667 square meters, every kilogram of carbon is enough to produce 12 kg of cucumber; 2 times of organic carbon fertilizer is needed in the first crop or barren soil, and a total of 2500 kg of carbon nutrition is needed. The total investment is less, and the late economical effect is better.

The invention discloses a high-yield environmental-protection eggplant cultivation method. The method comprises the following steps: sandy loam soil with no eggplants planted in the preceding crop is selected, soil preparation is carried out, a special fertilizer for eggplants is applied, ridges with a row distance of 40 to 60cm and a height of 16 to 20cm are made through deep tillage and leveling, a greenhouse is built, plump eggplant seeds are selected, seeding boiling, temperature reduction, immersion, cleaning and germination are carried out until 40 to 55% of seeds reveal white, seeding is carried out, fine soil covers the seeds, when a seedling has 4 to 5 leaves, the seedling is put to a cold frame, the nutrient area kept for a single plant is 5*15cm, a small plastic greenhouse covers the seedlings, the temperature is controlled to be 24 to 28 DEG C, ventilation cooling is carried out after rejuvenation, field planting is carried out when the seedling has a height of 20 to 25cm and a leaf number of 6 to 10, the temperature is controlled to be 30 to 35 DEG C and the soil humidity is controlled to be 70 to 85% after field planting, and harvesting is carried out when the eggplants are mature. The method of the invention has the advantages that the cost is low, the yield is high, and the environment is not polluted.

A mechanism for covering and uncovering a cold frame includes a starting base and a spaced-apart terminal base, a frame, and a cover deployable over the frame starting at the starting base and ending at the terminal base. The cover is wrapped from its midline around a cover shaft rotated by a first drive motor, as cables, attached to the leading edge of the cover, pull it over the frame. Those cables are simultaneously winding themselves around a cable shaft rotated by a second drive motor so that cover remains tight between the cable shaft and the cover shaft. The other end of the cables is secured to the starting base while the trailing edge of the cover is secured to the terminal base. Torque arms extend from the first and second drive motors and their distal ends are pivotally connected.

The invention relates to a method for planting green and pollution-free okra, belongs to the technical field of agricultural planting and particularly relates to a method for planting okra and provides a method, which is capable of quickening the growth speed of the okra, increasing the yield and having no pesticide remains, for planting the green and pollution-free okra. The method for planting the green and pollution-free okra comprises the following steps of (1) carrying out sowing and seedling raising through a seedling transplantation method, wherein sowing and seedling raising in a northern area are usually carried out in a cold frame and a sunlight greenhouse in early march and middle march; (2) carrying out field management, cultivating, weeding and ridging, wherein the air temperature is lower after seedling emergence or fixed planting, so that the cultivation can be continuously carried out for twice, in order to increase the ground temperature and promote the seedling recovering; (3) thinning, wherein first thinning can be carried out during core splitting, and residual weak seedlings can be thinned out; second thinning can be carried out while 2 to 3 pieces of true leaves appear, and strong seedlings can be selected; final singling can be carried out while 3 to 4 pieces of true leaves appear, and one plant remains in each hole; (4) watering, wherein higher air and soil moisture contents are required during a growth period of the okra, artificial sprinkling irrigation needs to be carried out in the morning and in the evening while water is shorted within 20 days after planting, and mechanical sprinkling irrigation or furrow irrigation can be carried out after seedlings grow a little larger.

The invention discloses a grape cutting root promoting method. The method is characterized by comprising the steps that cuttings obtained from mature and robust branch tendrils of a high-quality single plant are soaked with a traditional Chinese medicine nutritional solution for 8 hours to 12 hours till water at cutting wounds is sufficient, the lower ends of the cuttings are dipped in a 1,000 mg / L indoleacetic acid solution, the cuttings are cut into plastic bags containing culture soil, one bud at the upper end of each cutting is left outside the corresponding plastic bag, water is added to enable the relative humidity of the soil to reach 85% to 90%, and the cuttings are placed in a cold frame and covered with film. According to the method, the rooting rate of grape cuttings can be significantly increased, the rooting quality of the grape cuttings can be significantly improved, and the step of repeatedly supplementing water in the root promoting process is omitted.

The invention discloses a photoelectric tracking detecting mechanism for a cold frame bending machine or a sectional bar forming machine. The photoelectric tracking detecting mechanism is characterized by comprising feeler levers, a cross rod connected with the feeler levers through hinges, a trolley, and a photoelectric tracker; the ends of the feeler levers abut against the detected edge of machined structural steel all the time, the moving track of the trolley is parallel to the feeler levers, and the end of the machined structural steel is connected with the trolley through a mechanical clamping arm and a hinge; and a sign is arranged on the side, facing the cross rod, of the trolley to serve as the target of photoelectric tracking, and the photoelectric tracker is arranged at the hinge axis of the feeler levers and the cross rod to track the target. The photoelectric tracking detecting mechanism can continuously, immediately and accurately feed back the deflection angle and the length displacement variable of the measured structural steel part and a relative reference point in a photoelectric tracking manner, and an effective supporting condition is provided for digital structural steel machining. The photoelectric tracking detecting mechanism is used for digitally controlling the whole process of cold frame bending.

The invention provides a rapid seedling growing method of gingko trees and relates to the technical field of seedling growing and planting management of the gingko trees. The rapid seedling growing method comprises the following steps: treating seeds before sowing; sowing in a suitable period; carrying out a sowing technology; and managing after sowing. The rapid seedling growing method is characterized in that in the step of treating the seeds before sowing, the germination acceleration on the seeds adopts a stratification mode; cold frames with the depth of 20cm-30cm are dug at a sun-exposed part and fine sand with the thickness of 10cm is spread at the bottom; a seed-sand mixture is spread in the cold frames for the thickness of 10cm and is covered with one layer of fine sand; an arch shed is established by a plastic film and is sealed, and the temperature in the shed is kept at 18-30 DEG C; a 700-time diluted solution of 70% thiophanate methyl is spread once every 5-7 days and the soil in the arch shed is turned once; and sprouts grow out after 12-20 days. The rapid seedling growing method is simple to operate; the growth period can be prolonged, seedlings are high and the radial growth amount is large; and the economic benefits of seedling growing of the gingko trees can be improved favorably.

The invention discloses a method for cultivating eggplant in spring greenhouses, belonging to the technical field of eggplant cultivation, comprising the following steps: 1) preparation of nutrient soil: 40% of decomposed cow dung, 40% of non-solanaceous stubble garden soil, humic acid 20% phosphate fertilizer, mixed with 500 grams of CM or EM beneficial biological fertilizer; prepare 25 square meters of seedbed for every 667 square meters, mix well with 1 kg of nutrient soil and 45% biological potassium, and put it into a nutrient bowl with a diameter of 8 cm and a height of 10 cm, or Make sunbeds and level them for sowing; plant without miscellaneous bacteria, so that the bed soil is loose and not scattered; 2) seed treatment; 3) soaking seeds to accelerate germination; 4) planting; 5) fixed value management; 6) strong seedling indicators. The invention provides an eggplant variety with high temperature resistance, anti-virus, strong growth potential, concentrated fruit, large fruit and thick flesh, relatively cold resistance, and an eggplant cultivation method that can increase yield.

The invention relates to a seedling culture method for Tibetan medicine Aconitum sinomontanum, comprising the following steps: (1) seed collection: selecting wild Aconitum sinomontanum which grows strongly, has big laminae and is free from plant diseases and insect pests as a seed collection seedling for collecting seeds, and drying to obtain wild Aconitum sinomontanum seeds; (2) preparing seedling culture soil; (3) wild Aconitum sinomontanum seed processing: evenly stirring the wild Aconitum sinomontanum seeds with sand, and obtaining the processed wild Aconitum sinomontanum seeds after sand possession processing; (4) sterilization: sterilizing the processed wild Aconitum sinomontanum seeds by a HgCl2 solution, and washing and draining to obtain wild Aconitum sinomontanum aseptic seeds; and (5) putting seedling culture soil in a plurality of culture pots; putting 2-3 wild Aconitum sinomontanum aseptic seeds into each culture pot; covering the seedling culture soil on the culture pot, and putting the culture pot into a cold frame; and covering a film to moisturize to obtain Aconitum sinomontanum germchit. With the method, the wild Aconitum sinomontanum is changed into sexual reproduction from asexual reproduction so as to realize manual large-scale plantation. With the method disclosed by the invention, the rate of emergence is above 60%.

An embed-type chuck-bending die unit for the middle frame of cold rib bender is disclosed. An upward convex table behind the lower chuckand a guide mechanism on middle frame constitute a recess. a downward convex table is driven by the clamping cylinder to move downward for pushing the clamped rib in said recess. The reactive force of said rib is transferred from the down convex table to upper one, so improving the stressed state of upper chuck.

The invention provides a bellis perennis planting method. The bellis perennis planting method comprises the steps: sowing seeds between August 15th and September 5th of every year, adopting potted sowing or boxed sowing, not covering the seeds with soil, sprinkling water to enable the seeds to keep wet and keep the humidity at 70%, and keeping the environmental temperature of bellis perennis between 15 and 20 DEG C; carrying out seedling emergence 5-10 days after sowing, carrying out temporary planting once the number of true leaves of each seedling reaches 2-3 after germination, maintaining the distance among plants to be 5*5cm, excavating the plants together with soil when the number of the true leaves of each seedling reaches 6-7, and maintaining the distance among the plants to be (15-20)*(15-20)cm when the plants are planted in flower beds in a fix-planting manner; in a growth period, carrying out top-dressing monthly; controlling water so as to prevent flower stalks from stretching too long when potted plants grow flower buds; and shifting the potted plants in cold frames for wintering at the last ten days of October. The bellis perennis planting method provided by the invention has the advantage that the quality of bellis perennis is high.

A cold frame is formed with lateral wall elements containing transparent hollow chamber panels, and supports which are provided with lateral flanges. The lateral wall elements include lateral edge areas provided with through-passages and formed by the hollow chamber panels thereof, and rest against the flanges of the supports. The lateral wall elements are connected to the supports by clamping devices. The clamping devices include clamping elements which rest against the inner sides of the hollow cavity panels forming the edge areas of the lateral wall elements and are clamped between the hollow cavity panels and the tops of positioning bars belonging to the clamping devices. The bars protrude from the through-passages of the hollow chamber panels and they are rigidly connected to the flanges of the supports.

The invention relates to needle mushroom bag-free cultivation and a cold frame bean sprout type fruiting method, belonging to the technical field of artificial needle mushroom cultivation. The traditional needle mushroom cultivation and fruiting method is fussy to operate and wastes labor and time. The method comprises the following steps: (1) blanking and seeding: covering a new film in a movable mould; carrying out disinfection and sterilization with steam in a space surrounded by the movable mould and the new film so as to obtain a microorganism-free area; blanking and seeding in the microorganism-free area; piercing and filtering air microorganisms; (2) culturing mycelium in an opened manner; (3) fruiting management: stimulating mycelium, surrounding the cold frame with wet sponge, and covering film and insulating; after the second period of fruiting, demoulding the culture medium to be naked, and backing earth in the cold frame bean sprout mode and fruiting. The method is used for artificial needle mushroom cultivation, can simplify the working procedure of needle mushroom cultivation so as to improve the yield and quality of the needle mushroom, and is more beneficial to large-scale industrial production of needle mushroom so that the investment is saved and the economical benefit of needle mushroom farmers are obviously improved.

The invention relates to a soil covering culture method for simulated wild glossy ganoderma, which comprises the following steps that: a glossy ganoderma culture bag is subjected to germicidal treatment, inoculated with strains of the glossy ganoderma when the temperature in the culture bag is cooled to about 30 DEG C, and then cultured under dark or weak light environment, and mycelia are grown full of the bag; a furrow is made on loosen sandy soil, drainage channels are arranged on the periphery, a glossy ganoderma bed is dug in the furrow, the culture bag is opened and vertically arranged in the glossy ganoderma bed in a way that the inoculation surface is upwards, the bag is covered with soil, gaps are filled by the soil, and the soil is kept moist; the glossy ganoderma bag is culturedcontinuously in the open air and promoted to grow the glossy ganoderma naturally; and a sunshade is erected after the fruit body of the glossy ganoderma is ripen, a rainproof plastic film is spread on the sunshade, the culture is continued, and ganoderma lucidum spore is collected. The method adopts a field open cold frame soil covering mode to grow the glossy ganoderma, changes the problem thatthe glossy ganoderma is always in the greenhouse environment in the prior art, reduces cost, only needs aseptic processing and humidity maintaining in the culture process, and is simple, high in programming and easy in promotion.

A cold frame is formed with lateral wall elements containing transparent hollow chamber panels, and supports which are provided with lateral flanges. The lateral wall elements include lateral edge areas provided with through-passages and formed by the hollow chamber panels thereof, and rest against the flanges of the supports. The lateral wall elements are connected to the supports by clamping devices. The clamping devices include clamping elements which rest against the inner sides of the hollow cavity panels forming the edge areas of the lateral wall elements and are clamped between the hollow cavity panels and the tops of positioning bars belonging to the clamping devices. The bars protrude from the through-passages of the hollow chamber panels and they are rigidly connected to the flanges of the supports.

The invention belongs to the field of vegetable planting, and particularly discloses a planting method for eggplants. The method comprises the steps of S1, vegetable field choosing, wherein loose and fertile sandy loam soil with rich organic matters and good drainage is chosen; S2, greenhouses building, wherein the greenhouses are built on the vegetable field chosen in S1; S3, seed choosing and germination accelerating, wherein non-damage eggplant seeds with plump grains are chosen to be subjected to accelerating germination; S4, sowing, wherein the eggplant seeds after treatment in S3 are taken out to be sowed evenly in the vegetable field; S5, nutrient and water management; S6, seedling separating, wherein when the seedlings grown in S5 have 2-3 pieces of true leaves, the eggplant seedlings are separated into cold frames; S7, insect pest preventing, wherein eggplant immune diseases are prevented in the morbidity early stage with 500-600 fold liquid of 70% of chlorothalonil wetable powder. Compared with the prior art, according to the planting method for the eggplants, the sufficient illumination for eggplant growth can be provided, the photosynthesis of the eggplants is promoted, and the method facilitates the growth of the eggplants.

The invention discloses an improved cold frame used for winter and spring vegetable seedling growing in Huang-Huai-Hai regions. The improved cold frame is provided with a double-layer shed which is provided with an inner shed and an outer shed. The shed is internally provided with a windbreak wall, an operation trench, and a cold frame. Two ends of the cold frame are provided with bed frames. Since two layers of shed films are added, and films on a seedling growing bed are covered by wheat straws, three layers of films are covered to keep warm. The plurality of layers of covering keep warm and are transparent. The operation trench can store cold frame covering objects and the shed films of the inner shed, and is beneficial for farm operation in the shed. The film of the inner shed and the wheat straw coverings are removed in daytime, and are covered at night, effectively preventing shading of the seedling beds in daytime, so as to satisfy both requirements of warm keeping and light transmitting. A problem that conventional multilayer covering seedling growing is insufficient in illumination is effectively overcome. The windbreak wall is arranged on the south side of the seedling bed surface, and is beneficial for keeping warm and preventing cross ventilation. Covering positions of wheat straws and other external thermal insulation materials are the cold frame shed surfaces but not the surface of the outer shed, and workload of daily management is reduced, and defects that thermal insulation effect is influenced by moisture absorption of the external covering materials in rainy and snowy weather are eliminated.

The invention relates to a method for efficiently cultivating vegetables. The vegetables include cabbages, eggplants, cauliflowers and fennels and can be respectively harvested in each year. The method includes growing seedlings of the cabbages in winter warm sheds or warn arched sheds in the first ten-days of December in a current year; colonizing the seedlings of the cabbages in middle arched sheds in the first ten-days of February in the next year, and cultivating 4000-4500 seedlings of the cabbages in each mu; growing seedlings of the eggplants in cold frames in the middle ten-days of February; fertilizing and preparing lands when the cabbages are harvested in the first ten-days of May and 3-4 leaves grown on each eggplant, then colonizing the seedlings of the eggplants and cultivating 2500-3000 seedlings of the eggplants in each mu; growing seedlings of the cauliflowers in the last ten-days of June; harvesting the eggplants in the last ten-days of July, colonizing the seedlings of the cauliflowers and approximately cultivating 3000 seedlings of the cauliflowers in each mu; sowing seeds of the fennels instantly after the cauliflowers are harvested in the first ten-days of October, covering the fennels by the aid of the middle arched sheds around the beginning of winter and selling the fennels in markets when market prices are high. The method has the advantages that of large popularization space and positive significance on increasing the land utilization rate, ingeniously utilizing the time difference of the same varieties, realizing high economic benefit and promoting increase income for vegetable growers and increase agricultural yield.

The invention discloses an asparagus cold frame seedling raising method comprising the following steps: (1) seed treatment: soaking asparagus seeds in 75% chlorothalonil wettable powder for 12h, then rinsing the asparagus seeds with water, soaking the asparagus seeds in warm water for 24h at 25 DEG C, changing the water for twice within one day, and scrubbing the seeds when changing the water to remove abortive seeds and impurities; (2) seed germination: wrapping the soaked seed with damp cloth, and germinating the seeds in an environment of 25 DEG C; (3) bedding and sowing: controlling the border width to be appropriately 1.5m, scattering 5kg high-quality decomposedmanure and 25kg ternary compound fertilizer in the compost of each square meter, coating films before sowing, and dibbling a single seed according to a seed spacing of 5cm*5cm; and (4) daily fertilization: spraying equal mass of monopotassium phosphate and urea, preparing the same into a solution with a concentration of 1%, and spraying the solution onto the compost after each half a month in a dosage of 8g / m<2>, until the seedling raising is completed. The asparagus cold frame seedling raising method disclosed by the invention has advantages of low cost and high survival rate.

The invention discloses an anti-continuous-cropping cultivation method for eucheuma melons. The device comprises the following steps of selecting an eucheuma melon variety, drying seeds in the sun, soaking the seeds, sowing the seeds into a nutrition pot filled with nutrient soil, raising seedlings in cold frames, taking out the seedlings from the soil, removing caps, and irrigating with biological agent fertilizer; ploughing the field to be planted in late autumn of the previous year, ploughing again in January to March of the next year, applying mixed fertilizer, ploughing, bedding, laminating, punching by a puncher, transplanting into holes, applying biological bacterial fertilizer liquid, and taking soil on site to seal roots tightly; building a shed frame, pulling seedlings after field planting to the shed frame, uniformly separating melon vines on the shed frame in a vine growing period, performing artificial supplementary pollination in a flowering period, applying fruit fertilizer when young fruits are born, and stopping irrigation in 1-2 weeks before melon picking; and performing pest control. The method is simple to operate, can prevent and treat adverse effects caused by continuous cropping of the eucheuma melons, improves the yield and quality of the eucheuma melons, and effectively solves the problems that in the prior art, the eucheuma melons are not resistant to continuous cropping, large in chemical agent dosage, poor in yield and quality and the like.

The invention relates to the technical field of seed seedling raising, and discloses a seedling raising method for increasing the seed survival rate. The method comprises the following steps: 1) seedharvesting, 2) seed treatment, 3) seedling raising hole tray treatment, 4) seedling raising substrate treatment, 5) seedbed arrangement, 6) sowing, and 7) seedling raising management. The seedling raising method for increasing seed survival rate solves the problems that: most of the traditional methods mostly adopt open field direct seeding or cold frames, improved cold frames and sunlight greenhouse for seedling raising in the past, the seedlings are long in age, poor in quality and uneven in size due to simple and crude equipment and influence of natural conditions, the cost is high, the seedling survival rate is low due to freezing damage or natural disasters such as plant diseases and insect pests, a traditional seedling technology only depends on experience and has many technical errors, seedling raising only based on experience is difficult to master and popularize, and the seedling survival rate, yield and quality of seeds in the later period are directly affected by a seedlingraising method.

The invention provides a method for paulownia root burying seedling growing. By integrating nursery field selection, soil preparation, seminal root selection, root growing, bud forcing treatment, cold frame bud forcing, hotbed bud forcing, seedling management, water fertilizer application, pest control and other links, the mature technology is explored, the paulownia propagation coefficient is greatly increased, the seedling growing period is shortened, the survival rate is increased, the seedling growing cost is lowered, and paulownia seedling growing is achieved.

The invention relates to a seedling culture method for Tibetan medicine Aconitum sinomontanum, comprising the following steps: (1) seed collection: selecting wild Aconitum sinomontanum which grows strongly, has big laminae and is free from plant diseases and insect pests as a seed collection seedling for collecting seeds, and drying to obtain wild Aconitum sinomontanum seeds; (2) preparing seedling culture soil; (3) wild Aconitum sinomontanum seed processing: evenly stirring the wild Aconitum sinomontanum seeds with sand, and obtaining the processed wild Aconitum sinomontanum seeds after sandpossession processing; (4) sterilization: sterilizing the processed wild Aconitum sinomontanum seeds by a HgCl2 solution, and washing and draining to obtain wild Aconitum sinomontanum aseptic seeds; and (5) putting seedling culture soil in a plurality of culture pots; putting 2-3 wild Aconitum sinomontanum aseptic seeds into each culture pot; covering the seedling culture soil on the culture pot,and putting the culture pot into a cold frame; and covering a film to moisturize to obtain Aconitum sinomontanum germchit. With the method, the wild Aconitum sinomontanum is changed into sexual reproduction from asexual reproduction so as to realize manual large-scale plantation. With the method disclosed by the invention, the rate of emergence is above 60%.

The invention discloses a method for promoting growth of parent seedlings in cold frames and suppressing seedling emergence of seeds falling to ground. The method specifically includes the following steps that (1) sowing holes are manufactured in black mulching films; (2) surfaces of the cold frames are covered with the black mulching films with the manufactured sowing holes, parent seeds are sowed according to the positions of the sowing holes, and the mulching films are covered with soil after sowing. Practice has proved that every time a repeated experiment is carried out by the adoption of the method, high-quality and robust parent material seedlings can be obtained from experimental groups covered with the black mulching films in the cold frames, and seedling emergence of the seeds falling to ground is obviously suppressed. The method provides technological support for improvement on purity of vegetable seeds.