1230results about How to "Improve fruit setting rate" patented technology

The invention relates to an agricultural fertilizer, in particular to a microbial compound fertilizer and application thereof. The microbial compound fertilizer specifically consists of a zymophyte agent and a compound fertilizer, wherein each gram of the compound fertilizer comprises not less than 0.2*108 bacterial cells; the compound fertilizer comprises the following components in percentage by weight: 5 to 15 percent of farmyard manure, 10 to 30 percent of humic acid, 5 to 8 percent of grass carbonic acid, 15 to 30 percent of nutrient and the balance of boric sludge; and the zymophyte agent is obtained by fermenting silicate bacteria, azotobacter chroococcum, actinomycetes, saccharomyces cerevisiae and rhodopseudomonas sphaeroides, wherein the silicate bacteria, the azotobacter chroococcum, the actinomycetes, the saccharomyces cerevisiae and the rhodopseudomonas sphaeroides are mixed together in a weight fraction of 1:1:1:1:1. The microbial compound fertilizer acting on a big field can increase the yield of crops by 20 to 30 percent, and simultaneously can obviously increase the percentage of fertile fruits, reduce fruit dropping and overgrow the fruits; besides, the maturation stage is shortened by 5 to 7 days, the yield-increasing effect is obvious, and simultaneously, the microbial compound fertilizer can obviously improve the appearance, the mouthfeel, the color and luster and the like of products, improve the quality by 1 to 2 grades, and prolong the product freshness date.

The invention discloses a pitaya high-quality and high-yield cultivation method adopting a water and fertilizer integrated fertigation technology. The method comprises the steps of screening of cultivated varieties, seedling cultivation, soil preparation, planting line and belt fabrication, bent frame building with stand columns, trickle irrigation system laying, plastic film mulching, seedling planting, irrigation, fertilization, trimming, clipping, flower thinning, fruit sorting, pest control, plastic film mulching for protection against frost and the like. According to the method, the pitaya variety of a self-pollination type is adopted as the cultivated variety, the fence planting mode and the fertigation technology are adopted, the investment in labor cost such as in pollination, weed control and fertilization is greatly saved, the lighting effect for pitaya is improved, the fertile fruit percentage is effectively raised, the fruit quality is effectively improved, the fertilizer using efficiency is raised to the maximum extent, the input-output cycle is short, the output is high, and the pitaya cultivation technology is worthy of being promoted widely.

The invention relates to the technical field of fruit growing and in particular relates to a growth regulator for improving the fruit setting rate of peaches and a regulating method. The growth regulator comprises the following components of gibberellin and auxin, wherein the auxin may be one of 1-Naphthalene acetic acid, sodium alpha-naphthyl acetate, indoleacetic acid, phenylacetic acid, indolebutyric acid, indoleacetic acid and 2,4-dichlorphenoxyacetic acid, and the growth regulator is sprayed after the peaches bloom. The growth regulator provided by the invention is easy to obtain and prepare and low in economic cost, and can effectively remedy deficiency of endogenous hormone caused by poor fertilization of peaches; the method for applying the growth regulator provided by the invention is simple and convenient and easy to operate and control, effectively solves the problem that in the growing of peaches, the fruit setting rate is influenced by abnormal weather in a flowering phase, shriveled flower buds, overly rapid warming and the like, improves the fruit setting rate by more than 34 times, and is obvious in effect and applicable to popularization and application in the production of peaches in common peach orchards, green houses and other facilities.

The invention discloses a planting method for tea-oil trees. The method comprises the following steps of: (1) selecting soil and an area, building horizontal steps on a slope around a mountain, digging drainage ditches on the inner sides of the steps, and digging pits at fixed points according to a planting distance, wherein the pits are arranged to form delta shapes; (2) after the pits are dug, properly applying garbage tankage, rice straws, dicranopteris pedata and farmyard manure, wherein base fertilizers are required to be deeply applied; (3) during the blossoming of the tea-oil trees, marking early blossoming type plants of a selected tea-oil tree variety, selecting high-yield and high-premonition plants from the marked plants when fruits are matured in the next type, and picking mature and full tea-oil tree seeds; (4) sowing the seeds from every early November to February of the next year, wherein germination is accelerated and the seeds are sown after the seeds are sterilized; (5) after the seeds come up, selecting seedlings, and filling gaps with the seedlings; and (6) after the tea-oil trees are fruited, applying the farmyard manure and a compound fertilizer or a phosphate fertilizer, a potash fertilizer and urine in every May to July. The problems of irrational structure of a planting structure, low oil yield, shortage of scientific management and the like of the conventional tea-oil tree planting process are solved.

The invention relates to a high-yield cultivation method of big black charcoal waxberries. The method comprises the following steps of (1) land selection and garden building, wherein a garden is built on a flat mountain land with the elevation lower than 500 meters, soil texture heavy and weather humid, and terrace lands or horizontal belts or fish-scale pits are built on the flat mountain land for plantation; (2) hole digging and planting; (3) soil splitting and fertilizing, wherein fertilizing and topdressing of strawberry trees can be carried out at the periods of saplings, big trees during the fruiting period and grown trees, and fertilizers are scattered on the overall garden and then are burned in soil in autumn and winter; (4) pruning, wherein the principles of the spurning of the strawberry trees are that ventilation and light transmitting are achieved, straight branches are eliminated and oblique branches are reserved, and fruits are born in a three-dimensional mode; (5) flower and fruit amount adjusting, wherein in the blooming period of the on year, flower thinning and fruit thinning agents like the number 6 thinning agents are sprayed; (6) pest control. The big black charcoal waxberries can be planted in large areas, the strawberry trees have strong moisture resistance, drought resistance, bare resistance and disease and pest resistance, and are high in fruit setting rate and high in yield, and the purpose of stable yield every year is achieved.

The invention discloses a greenhouse cultivation method of dragon fruit. The method includes: building a greenhouse on a land having pH of from 5.5 to 6.5, and providing a first insulation layer; applying organic fertilizer in the greenhouse to make ridges; laying mulching film and pillars; from March to May, after the application of the fertilizers, planting dragon fruit saplings; after the planting of the dragon fruit saplings, setting up arches over the ridges; after the setting-up of the arches, performing irrigating once three to four days for 20 to 35 days on the whole; during planting of the dragon fruit, applying compound fertilizer once a month; clipping off weeds, and covering the roots of the dragon fruit plants with the weeds; after branches of the dragon fruit plants grow to 1.3 to 1.5 m in length, performing cropping; after the dragon fruit is in a fruiting phase, performing artificial pollination and thinning flowers and fruits. The method is suitable for the growth of the dragon fruit, and the dragon fruit planted by the method has good quality and high yield.

The invention belongs to the field of agricultural technologies and particularly relates to a walnut rich in selenium and organic fertilizer rich in selenium for the walnut rich in selenium. The walnut and the organic fertilizer are mainly used for solving the technical problems that the fertilization amount of existing fertilizer for producing subsidiary agricultural products rich in selenium is difficult to control, the environment is polluted, dependence of crops is prone to generation, land is barren, and cost is high. According to the technical scheme, the walnut rich in selenium is obtained through fertilization of the self-made organic fertilizer rich in selenium, the selenium content of a walnut kernel ranges from 200 microgram per kilogram to 800 microgram per kilogram, and the walnut and the organic fertilizer have the advantages of being environmentally friendly, free of pollution and low in cost.

Belonging to the technical field of plant breeding, the invention relates to a pepper inbred isolation method, which comprises the steps of: 1) plant selection: obsoleting substandard heterologous strains; 2) blend solution preparation: preparing a blend solution with a sodium alginate concentration of 5-10% and a carboxymethylcellulose sodium concentration of 0.5-2% with deionized water; 3) petal selection: selecting petals about 6-12h before flowering; 4) petal treatment: taking the petals to be treated on one hand lightly and taking the blend solution on the other hand, and soaking the petals in the blend solution till the joint of a calyx and a flower stalk, and making a mark with a color line; 5) management after treatment: identical with the routine field management method of pepperproduction. The pepper inbred isolation method of the invention isolates petals through a flexible film generated by the blend solution, and conducts geitonogamy to a gynoecium and a stamen of a sameflower. Being simple and rapid, the method of the invention can save the labor cost and has high?fruiting rate. Besides, the method in the invention causes no pollution to the environment and agricultural products, and can realize good application effect.

The invention provides a special organic-inorganic mixed fertilizer for grapes, and a preparation method of the special organic-inorganic mixed fertilizer for grapes, belonging to the field of special fertilizer for plants. The mixed fertilizer comprises the following substances in parts by weight: 350-400 parts of organic fertilizer, 50-70 parts of soil fertility intensifier, 80-120 parts of monoammonium phosphate, 160-200 parts of urea, 6-10 parts of ammonium nitrate, 10-30 parts of potassium sulfate, 3-4 parts of carboxymethylcellulose, 0.3-0.5 part of boric acid, 0.5-0.7 part of cartap, and 1-3 parts of chlorothalonil. The special organic-inorganic mixed fertilizer for grapes is formed by compounding different raw materials according to absorption rules of grapes; and with the adoption of the special organic-inorganic mixed fertilizer for grapes, output can be increased and the quality of grapes is improved, damage to roots of grapes due to multiple fertilizer application is avoided, and the fertilizer efficiency is prolonged.

The invention discloses a rapid construction method of a macadamia nut early-fruiting and high-yield garden in a karst rocky desertification mountain area and belongs to the technical field of fruit tree cultivation. The method comprises the following steps: selecting a land and carrying out soil preparation, selecting germchit, carrying out field planting on nursery stocks, carrying out tending management and shaping tree bodies. Specifically, the method comprises: selecting rock pits with the altitude of being lower than 1000m and a soil layer of being 50cm or more, and digging field planting holes; carrying out the soil preparation; selecting non-woven fabric nutrient bags grafted big seedlings as the germchit; carrying out the field planting on 3 to 5 macadamia nut varieties with relatively consistent florescence and fruit maturation period by adopting a mixed planting manner; combining water and fertilizer management and the like; topping when shoots of young plants grow to certain length every time, so as to promote the young plants to branch and culture early-fruiting and high-yield tree crowns. By adopting the method provided by the invention, the macadamia nut early-fruiting and high-yield garden is constructed in the karst rocky desertification mountain area; the garden enters an economic gain period one year ahead of a conventional grafted seedling garden; the investment period is shortened and the investment cost of constructing the garden is reduced; the recovery of vegetation covers of the karst rocky desertification mountain area can be facilitated, water and soil loss is prevented, people are led to a fortune and rocky desertification is managed.

The invention discloses a liquid bacterial agent for rooting, which comprises the following raw materials by weight parts: 20-80 parts of concentrated amino acid fermented liquid, 15-30 parts of urea, 5-20 parts of potassium fulvic acid, 10-20 parts of alginic acid, 5-15 parts of chitosan, 10-30 parts of bacillus subtilis, 5-20 parts of Alpha-pimacol, 10-35 parts of sodium nitrophenolate, 1-4 parts of indole butyric acid potassium, 5-15 parts of 5-nitrate and 10-20 parts of calcium nitrate. According to the invention, the liquid bacterial agent contains various high-activity strains including bacillus laterospor, bacillus licheniformis, bacillus subtilis and the like and dozens of high-purity nutritional ingredients. The liquid bacterial agent has super strong activity, and can quickly reach nutrient deficiency parts and bacteria infection parts of crops after being used so as to quickly complement the deficient elements, and can split mycelium and spore and remove soil-borne diseases so as to allow the crops to be quickly back to health. The liquid bacterial agent has the advantages of good water solubility, strong absorption ability, non-public hazard, no residue and no volatility after being used, and can not cause poison damage for the crops in the greenhouse.

The invention belongs to the technical field of artificial pollination of fruit trees, specifically relates to a pollen suspension liquid for liquid pollination of fruit trees, and a preparation method thereof. The pollen suspension liquid mainly comprises the following components, by weight, 0.005-0.02% of boric acid, 0.005-0.01% of calcium nitrate, 0.01-0.02% of sodium carboxymethyl cellulose, 0.2-0.4% of pollen, and the balance of water. The pollen suspension liquid provided by the present invention can be placed for a long time, and can be prepared into a concentrated solution. In addition, the pollen suspension liquid provided by the present invention is easy to use, and can be directly sprayed on pistillate flower in a flowering stage to carry out the artificial liquid pollination, such that the fruit set percentage of the fruit trees can be more than 48%.

The invention discloses a southern winter-jujube cultivation method, which is to trim the jujube tree to be a high-stem dwarf-crown open-center tree form that is suitable to be cultivated in the South and to control the height of the trunk stem; three strong main branches are reserved; three to four supplementary main branches are reserved on the main branches; the main branches are stretched before the flowering; two to three jujube shoots are reserved as a nutrition branch or a renewing branch for every jujube tree; the branches are topped when the jujube shoot has four to five secondary branches; the secondary branches are topped when the secondary branches are grown into 15 to 25 centimeters; the shedding shoot of the jujube is controlled between 20 to 50 cm; two to three shedding shoots of the jujube are reserved for every spur of jujube; the small shedding shoots of jujube on the trunk stem and on the main branches are removed and the adventitious bud sprouted at the base of the jujube tree is removed; two days before the full flowering stage, the trunk stem is stripped or cut circularly. Adopting the invention, the main branches of the tree crown are opened, ventilated and transmitted and are layered, thereby reducing the insect harm and effectively improving the fruit rate; the winter jujube in the South has high yield; the yield of the four-year-growth apple winter jujube can reach 1887 kilograms per Mu and the yield of the three-year-growth Zhanhua winter jujube can reach 980 kilograms per Mu.

The present invention relates to one kind of sunlight film for covering green house as modern gardening facility and its making process, and belongs to the field of agricultural technology. Low density polyethylene, ethylene-acetic acid copolymer, dripping agent, light stabilizer, composite antioxidant, diluent, light converting agent are mixed to produce concentrated mother material; mother material in 10-15 wt% and base material low density polyethylene or ethylene-acetic acid copolymer in 85-90 wt% are mixed homogeneously; and the mixture is extruded, blown into film and cooled to settle and processed through further steps to produce the sunlight film product. The sunlight film is used to penetrate sunlight, maintain temperature and convert ultraviolet ray into blue and red light essential for plant to perform photosynthesis and is superior to available plastic film for green house in light transparence.

The invention relates to pear pollination solution, which comprises pollen transferred for pear trees. The pear pollination solution is characterized in that pear pollen is suspended in mixed liquor, the mixed liquor is composed of accelerator, colorant, spreader and water, the accelerator can be composed of cane sugar, boric acid, chelate calcium and urea, or composed of cane sugar, borax, chelate calcium and urea, the colorant is food colorant, the spreader is tween-20, and the mixed liquor comprises, in weight percentage, 6% of white sugar, 0.002% of the boric acid or borax, 0.003% of the chelate calcium, 0.005% of the urea, 0.001% of the food colorant, 0.01% of the tween-20, and the balance of the water.

The invention discloses a processing method of an organic liquid fertilizer, which comprises the following steps: using soybean curb residues and bean curb wastewater as raw materials; taking beer yeast, Bacillus subtilis and lactic acid bacteria as composite strains; and putting the composite strains into a fermentation tank for fermentation in a sterile environment to prepare into the organic liquid fertilizer. In the processing method, the processing technology is simple, and the purpose of changing waste into value can be reached.

The invention provides a sweet orange planting method. At a germination stage, 1-1.5kg of a germination fertilizer which is topdressed twice is applied per hole; the germination fertilizer comprises the following raw materials in parts by weight: 15-18 parts of urea, 8-12 parts of ammonium nitrate, 18-20 parts of potassium chloride, 35-45 parts of calcium superphosphate, 20-25 parts of diatomite, 1-2 parts of JT composite bacteria and 20-30 parts of biogas slurry; and at a fruit swelling stage, 3-5kg of a fruit swelling fertilizer, which is topdressed once in ring-shaped ditches with depth of 10-20 cm, is applied per hole; and the fruit swelling fertilizer comprises the following raw materials in parts by weight: 30-35 parts of urea, 40-45 parts of potassium chloride, 25-35 parts of calcium superphosphate, 2-5 parts of magnesium sulfate, 0.1-0.2 part of borax and 20-30 parts of biogas slurry. According to the sweet orange planting method disclosed by the invention, tree growth and fruit swelling needs of sweet orange are met by a proper nitrogen phosphorus potassium ratio; tree seedlings are strong in freezing resistance and resistance to plant diseases and insect pests; and the fruit yield is increased by 15%-20%.

The invention discloses a grape organic cultivation method, which comprises the following steps of (1) building a rainproof shed: a grape frame on two sides of a grape garden is used as a support, and a plastic film is used for building the rainproof shed; (2) relieving the dormancy; (3) managing the fertilizer and water; (4) pinching and processing auxiliary treetops; (5) shaping and trimming; and (6) bagging fruits. The grape organic cultivation method is adopted, pest and diseases damage of the grape fruits can be greatly reduced, the pesticides spraying times can be reduced, nuisanceless grape can be produced, and the planting area of the grape can be enlarged; and the cultivation method also can increase the fruit setting rate, increase the fruit size, alleviate the fruit cracking and improve the fruit quality.

The invention relates to a trunk shape cultivation technique for peach trees. The technique comprises the steps of preparation before planting, planting, shaping, nutrient and water management, insect and disease prevention and regulation for growth of the peach tress by using paclobutrazol. According to the invention, a study is made in the aspects such as the growth condition and the growth period of the peach trees, so as to put forward a specific implementation scheme, as a result, the survival rate and the fruit setting percentage of the peach trees are greatly improved, the peach trees have a long fruiting time, unique flavor is achieved, the fruit juice is fresh and delicious, and the nutritive value is higher.

The invention discloses a preparation method of a special organic matrix for cherry tomatoes. The preparation method comprises the steps of fermentation treatment, air drying and crushing treatment, screening, cleaning and winnowing process treatment and the like on an organic matrix, wherein according to the prepared organic matrix disclosed by the invention, the total nitrogen content is 8-12 percent, the carbon content is 65-72 percent, the total sugar content is 8-12 percent, the reducing sugar content is 5-9 percent, the nicotine content is 1-1.8 percent and the humic acid content is 7-12 percent. With the adoption of the prepared organic matrix, the yield of the cherry tomatoes can be greatly increased, the quality is improved, and the occurrence of diseases can be effectively reduced.

The invention discloses a compound soil conditioner and a preparation and use method. The compound soil conditioner comprises the following raw materials by mass percent: 40-60% of decomposed organicfertilizer, 10-20% of fulvic acid, 15-20% of edible mushroom dreg or biogas residue, and 15-20% of a compound microbial agent. The raw materials of the compound soil conditioner are rich, the formulais simple, the cost is low, the effect is good, and the compound soil conditioner is suitable for various types of soils and is convenient for large-area agricultural popularization and application. The compound soil conditioner effectively improves the soil and the soil fertility, the content of organic matters in the soil is increased, the microelement is better promoted to be absorbed by a plant root system, the adverse resistance of the plant is improved, the development of the plant root and the action of the beneficial bacteria are promoted, the ecological environment of the soil is improved, the use amount of a fertilizer is reduced, the utilization rate of the fertilizer is increased, and the quality of an agricultural product is improved.

The invention relates to a semi-opening greenhouse cultivation technology for a peach tree in a low-latitude plateau area. The technology is characterized in that a greenhouse frame is arranged on one surface of a greenhouse; a layer of inspect proof nets and a layer of heat preserving quilts sequentially cover the frame; the heat preserving quilts are controlled by a contracting and stretching bracket to the contracted and stretched, and therefore, the temperature in the greenhouse of the peach tree can be controlled in different growth periods and under the changeful air temperature condition at the low-latitude plateau area; meanwhile, the technologies like the water and fertilizer control technology and the special fruit bag utilizing technology are adopted, thus the damage factor under the natural condition is removed, and the natural growth state of the peach tree is remained to the maximum; the applied pesticide is about 20% that under the common planting condition, the applied chemical fertilizer is about 30% that under the common planting method, the water irrigated is about 40% that under the common planting condition, and the output is more than 150% that under the common planting condition; in addition, the peach quality is far more than that of common peach; the market price is the peach is more than 5 time that of the common peach.

The invention relates to medium soil produced prepared from active sludge building waste residue and a production method of the medium soil. The production method of the medium soil is characterized by comprising the following steps of: uniformly mixing active sludge, quick lime, ferrous sulfate and magnesium sulfate, carrying out deodorization, sterilization and chelation, drying and crushing; then, carrying out dynamic type high-temperature aerobic fermentation on the crushed mixture, forestry three-residue waste residue, peanut shells and an organic material decomposition agent; drying, grinding and screening the fermented mixed clinker to prepare mixed powder; uniformly mixing the mixed powder with raw materials including building waste residue soil, calcium hydrophosphate, ammonium nitrate, potassium sulphate, amino acid, a root growth promoting agent, potassium polyacrylate and soil improvement agent by utilizing a stirrer and drying, then, packaging into an active sludge building waste residue medium soil product by adopting a full-automatic electronic metering machine. The product has the advantages and effects of containing nitrogen, phosphor, potassium and various trace elements as well as various nutrients of organic acid for meeting the growth needs of plants, having no pollution, low cost and good benefits, and protecting the environment, and saving the land.

The invention provides a special organic fertilizer for walnuts, which is prepared from, by weight, 45-55 parts of weathered coal, 5-10 parts of wheat bran, 5-10 parts of pepper powder residues, 20-30 parts of straws, 1-2 parts of urea, 50-60 parts of water, 10-12 parts of trichoderma culture solution, 1-2 parts of phosphorus sources, 0.01-0.02 part of iron sources, 0.01-0.02 part of zinc sources, 0.01-0.02 part of copper sources, 0.01-0.02 part of manganese sources and 0.05-0.1 part of boron sources. The invention further provides a preparation method for the organic fertilizer. The organic fertilizer has the advantages that raw material sources are wide, a production method is simple, biological activity of products is high, sufficient comprehensive nutrition is provided for walnut trees and the like, and enables the walnut trees to grow robustly and be higher in stress resistance and disease resistance, fruit setting rate of the walnut trees can be increased, empty shell rate of the walnuts is decreased, and the special organic fertilizer for the walnuts has the advantage of no chemical residue.

The invention discloses a flower and fruit anti-freezing agent of kernel apricot, the flower and fruit anti-freezing agent of the kernel apricot is mixed by abscisic acid, brassinolide, cerous nitrate and water, wherein, the concentration of abscisic acid is 10 mg / L, the concentration of brassinolide is 1.6mg / L, and the concentration of cerous nitrate is 0.8mg / L. The invention has advantages of reasonable medicament compatibility, high medicament utilization rate, obviously reduced percentage of frosted flower and increased percentage of fertile fruit of almond-apricot. The plant using the medicament has the reduced percentage of frosted flower by 38 percent-66 percent compare with clear water and has the increased percentage of fertile fruit by 103.8 percent compare with clear water. The materials used by the invention has advantages of high permeability, internal absorption, high efficiency, broad spectrum, low toxicity and safety, low making cost and convenient use. The invention is suitable for various kernel apricots, and other fruit trees can also take the invention for reference.

The invention provides a method for planting ardisia crenata container seedlings by using microorganisms. With adoption of glomus mosseae fungicide in cultivation, the seedlings have large amount of roots and grow better, and the cultivated seedlings after potting are easier to survive; the obtained cultivated plants grow strong and have compact plant type and high ornamental value; the cultivated seedlings have increased fruit-setting rate, bigger fruits and increased ornamental value; the pollution to soil and matrix is reduced and the seedlings are ecological and environmental-friendly; and the method is beneficial to production operation, is low in cost and can be used for cultivating ardisia plants.

The invention relates to the novel technical field of fruit tree production management, in particular to a production management method for achieving double-season fruit yielding of grapes. The production management method comprises the steps that the grape trees are pruned in the early spring period every year, broken sleep and accelerating germination are conducted on branch buds, and the grape trees are promoted to sprout, bloom and yield fruits early; the grape trees are pruned in a good time and secondary accelerating germination and flower forcing are conducted after first season fruits are harvested, and secondary blooming and fruit yielding of the grape trees are promoted. A broken sleep and accelerating germination agent is a novel and effective agent which is composed of a hydrogen cyanamide water solution, gibberellin and super absorbent resin. In order to achieve high and stable yield of the double-season grape trees, except for fertilizer applying through a conventional method, a novel fertilizer - a solid nutrient solution fertilizer composed of KOMIX organic activity humic acid fertilizer, a water-retaining agent and water is additionally applied in the production management of the grape trees. In order to promote the stable yield and high quality of the two times of grape yielding, optimization selection and collocation and scientific applying are conducted on selection and application of leaf fertilizers.

The invention discloses a good-quality and high-yield seed production technique of a muskmelon, is applicable to seed production of the muskmelon, and relates to the technical field of plant cultivation. The good-quality and high-yield seed production technique comprises the following steps: grafting and growing seedlings, applying fertilizers and irrigating water, pruning, pollinating, castrating and rogueing, and carrying out seed collecting treatment. According to the good-quality and high-yield seed production technique, the nutrient absorption capability of roots of a melon is enhanced through adopting the step of grafting and growing seedlings, so as to meet the vegetative growth of plants in a melon seed production process, guarantee the nutrient supply of seed development and realize the aims of improving the yield and the quality of seeds; the step of pruning is carried out on three vines; 1-2 melons are set on each wine and 3-4 melons are set on each plant, so that the quantity of seed melons in a unit area can be effectively improved; meanwhile, the quantity of the seeds of the single melon is improved and the aim of improving yield of the seeds is realized; single-plant cross pollination is finished within 3 days and the nutrition supply of the plants is balanced; the fruit setting rate and the seed setting rate of the melon are improved. Compared with a conventional seed production technique, the good-quality seed production technique disclosed by the invention has the advantages that the yield of the seed in the unit area can be improved by more than 30% and the output capacity of the good-quality seeds is improved by more than 15%.

A planting method for fructus trichosanthis includes the steps of land selection, soil preparation, base fertilizer application, transportation, water and fertilizer management, weeding management, plant fixation, artificial pollination, pest control and dormant period management. Scientific and reasonable field management is adopted for digging, soil and environment are selected and refitted according to the biological characteristics of stephania tetrandra, the soil and the environment are made to conform to the growth characteristics of fructus trichosanthis, and therefore the scientific, reasonable and normative planting method for fructus trichosanthis is established. The planting method is high in yield and good in fructus trichosanthis quality and conforms to relevant standards of China.

The invention provides blueberry selenium-rich leaf fertilizer, a preparation method and an application method. The blueberry selenium-rich leaf fertilizer, 100% in total, is prepared from, by weight, 1.0-8.0% of one or combinations of urea and ammonium sulfate, 1.0-10.0% of at least one or combinations of ammonium polyphosphate, monoammonium phosphate and diammonium phosphate, 5.0-15.0% of one or combinations of potassium sulphate and monopotassium phosphate, 1.0-10.0% of trace elements, 1.0-1.5% of sodium selenite, 1.0-10.0% of fulvic acid, 0.5-5% of sugar alcohol substances, 0.5-1.0% of surface activated agents and the balance water. The application method includes the steps of spraying the fertilizer in the blueberry primary flowering period and spraying the fertilizer in the fruit expanding period before blueberry picking. The selenium-rich leaf fertilizer is developed for the characteristic that blueberry crops need the fertilizer; the selenium-rich leaf fertilizer is high in specificity and can promote blueberry growth and increase the selenium content, anthocyanin content and soluble protein content in blueberries.