165results about How to "Improve mu yield" patented technology

The invention discloses a technique and method for off-season cultivating of organic bamboo shoots, and concretely relates to a cultivation technique and method for cultivating the organic bamboo shoots in advance by a season, and therefore, the bamboo shoots which are eaten in March or April can be eaten on New Year's Day and during Spring Festival in advance to meet the living needs of people and increase the planting benefit of the bamboo shoots. In the cultivation technique, pesticide, chemical fertilizer, growth regulators, hormone, herbicides and the like are not used. Bamboo shoots organic base certification, variety selection, site selection, plantation and forestation, cultivation in advance, self-made decomposed manure, organic matter plastic film mulching and scientific fertilization are adopted; minerals and botanical insecticide are used for controlling diseases and insect pests; natural enemies of pests, the inherent phototaxis and the flavor-directed performance of the pests are used for capturing and killing the pests, the purposes of eliminating the pests and protecting beneficial insects are achieved, conditions, such as light, heat, air and the like, are fully utilized, an environment which is beneficial to the growth of the organic bamboo shoots and bamboo shoots is created, the purposes of advance yield and high yield are achieved, the organic bamboo shoots are produced efficiently, and economic income is increased.

The invention belongs to a cultivation method for planting ginger in late summer and early fall and harvesting young ginger in winter. The method comprises the steps of seed dormancy and storage, resuscitation before seed sowing, germination promotion, plastic greenhouse building, seed sowing, daily management and harvest. According to the invention, ginger seeds are stored at dormancy temperature and humidity, thereby enabling the seed ginger to fight against high temperature and germinate in spring and summer; the film and sun shade of the greenhouse are removed during the sowing stage and early stage of growth, thereby preventing rain and reducing soil temperature and humidity; the relative humidity of soil is kept by controlling drip irrigation; the sun shade is removed and the film is added during the middle stage of growth; the greenhouse is provided additionally with a small arc shade and covered with stalks for frost protection and fresh-keeping during the late stage of growth until harvest. The young ginger harvested in winter is large and flavorful. The yield per mu is increased by 1-2 times as compared with greenhouse cultivation. Additionally, the method has the advantages of simple daily management, low production cost, suitability for large-area commercial cultivation, etc.

The invention discloses a camellia oleifera dedicated biological organic fertilizer and a preparation method thereof, wherein the camellia oleifera dedicated biological organic fertilizer is prepared by mixing 2-6 parts by weight of urea, 1-3 parts by weight of diammonium phosphate, 1-3 parts by weight of potassium sulfate, 40-60 parts by weight of an organic matter, 5-15 parts by weight of a defatted camellia oleifera seed cake, 25-35 parts by weight of humic acid, 0.5-1.5 parts by weight of biological bacteria and 0.5-1.5 parts by weight of a trace element; the camellia oleifera dedicated biological organic fertilizer has the characteristics of strong specificity and high fertilizer efficiency, and can greatly improve the camellia oleifera yield, quality and oil production rate; under same nutrient conditions, with use of the product, the camellia oleifera seed yield per mu is increased by 10-20%, the oil production rate is increased by 5-10%, the quality is greatly improved, and the fertilizer efficiency is far superior to other common compound fertilizers; and the camellia oleifera dedicated biological organic fertilizer is especially suitable for camellia oleifera planting in areas of central south China and regions south of the Yangtze River, and has z quite significant effect.

The invention discloses a technology and method for cultivating organic water melons, relating to a nuisanceless, green, safe and environment-friendly technology and method for cultivating organic water melons which are rich in nutrients. The cultivating process is concerned with authentication of organic bases, proper rotation of crops, use of organic seeds and application of self-prepared decomposed organic fertilizers. In the cultivating process, pesticides, fertilizers, growth regulators, hormones, herbicides and the like are not used; mineral substances and plant agents are used for preventing and controlling pest and disease damages; natural enemies are used for preying on pests; and based on the inherent phototaxis and odor taxis of pests (such as using Pheromone sex attractants and black light lamps to kill moth pests, using yellow boards to trap and kill aphides and the like), the effects of killing the pests and protecting beneficial insects can be achieved. The cultivating technology comprises the technologies of sound seedling cultivation, grafting, ridge forming, planting, plastic membrane mulching, rational close planting, plant adjustment, field management, fertilizing, prevention and control of pest and disease damages and the like. By fully making use of light, heat, air and the like, the invention creates an environment beneficial to the growth of organic water melons, thereby achieving the purpose of producing organic water melons at high yield and high efficiency.

The invention discloses a fertilizer special for a clausena dentate tree and a production method thereof. The fertilizer is characterized by being prepared from the following raw materials in parts by weight: 40 to 50 parts of inorganic fertilizer, 20 to 30 parts of organic matter, 10 to 15 parts of pineapple waste residues, 10 to 15 parts of edible fungi residues, 5 to 10 parts of compound amino acid, 0.1 to 0.5 parts of trace elements and 2 to 4 parts of pest repellent. The fertilizer has the effects of fixing nitrogen, activating phosphor and releasing potassium; meanwhile, due to the fact that the trace elements are contained, nutrition is timely supplemented in a clausena dentate tree growing process, the content of organic matter in soil can also be increased, and a soil environment is improved; the fertilizer also has the effect of propelling pests; after being fertilized, the clausena dentate tree is good in growing trend, the quality is improved, the yield is improved by over 10 percent, and the economic benefit is greatly improved.

The invention belongs to the technical field of cultivation of medicinal materials, and in particular relates to a high-yield cultivation method of bletilla. The method comprises five steps of soil preparation, breeding, management, insect prevention and harvest processing. 1,200-1,500kg of Wet bletilla per mu is harvested. The defect that the existing cultivation method of bletilla is difficultly applied to the flat area is overcome. The cultivation method provided by the invention is simple, feasible and high in yield, and moreover, compared with the conventional planting method, the high-yield cultivation method has the advantage that the yield per mu is increased by 200-300kg.

The invention discloses a planting method for big-top bitter gourds. The planting method includes: selecting seeds of the big-top bitter gourds with full particles prior to wetting with warm water and hanging on a wellhead for sprouting; growing seedlings in a nutrition cup; performing final singling; performing watering, fertilizing and topdressing; harvesting and further performing fertilizing and the like. On the basis of multiple experiments and in combination of growth characteristics of the big-top bitter gourds, the planting method is specifically obtained from objectives of reducing changes of soil acidity and alkalinity, improving per mu yield and improving quality of crops; organic fertilizers of chicken manure and pig manure and fermented liquid organic fertilizers are primarily adopted and accompanied by proper amount of inorganic compound fertilizers, the bit-top bitter gourds can be supplied with adequate nutrition as required for growth, affection of the fertilizers on the changes of the soil acidity and alkalinity can be lowered, and reduction of crop yield due to changes of soil quality can be lowered; by the method, 8000-10000 jin per mu yield can be realized, and the harvested bitter gourds are attractive in shape and sweet and refreshing in taste.

The invention provides a culture medium and belongs to the field of biotechnology. The culture medium is applied to the field and is prepared from porous stone powder, rare earth powder and a mineral mother solution, wherein the mineral mother solution is 35 to 45 percent of the total weight of the porous stone powder and the rare earth powder. The invention discloses a microbial material generated by the culture medium, and application of the microbial material. The microbial material can convert organic waste into a biological organic fertilizer. The microbial material is easy and convenient to use, low in cost and full in function, and can be used on a large scale; in addition, when the microbial material is used for fermenting the organic waste, the fermentation time is short, the method is simple, and compared with composting, the method has the advantages that the fermentation time can be shortened by 5-10 days and a step of crushing the organic waste can be eliminated; and the biological organic fertilizer prepared from the microbial material has high quality, can improve yield per mu, and improves the mouthfeel of fruits, and a continuous cropping effect is not reduced.

The invention provides a high-yield cultivation technique for small melons, belonging to the field of agricultural planting. The method comprises the following steps: 1) site selection; 2) site preparation; 3) building sheds; 4) selection of species; 5) soaking seeds to accelerate germination; 6) sowing seedlings; 7) seedbed management; 10) pruning and topping; 11) artificial assisted pollination; 12) field management; 13) timely harvesting. Beneficial effects of the present invention: select excellent small melon varieties, carry out scientific field management according to their growth and development laws, use honeybees and artificial auxiliary pollination to improve the fruiting rate, advance the market time of small melons, and increase the yield per mu of small melons 23%, the economy is good, and the income of melon farmers has been increased.

The invention provides a helium balloon pesticide spraying device. The helium balloon pesticide spraying device is characterized by comprising helium balloons, a high-pressure hose, a 60-type sprayer, pressure dripping stop valves, cross spraying nozzles, a PPR pipe and a long rope, wherein the helium balloons and the PPR pipe are bonded and connected together through the long rope, the cross spraying nozzles are installed on the PPR pipe every other meter, the pressure dripping stop valves are arranged between the PPR pipe and the cross spraying nozzles, one end of the PPR pipe is connected with the high-pressure hose, the other end of the PPR pipe is sealed, and the high-pressure hose is connected with the sprayer. Compared with the prior art, the helium balloon pesticide spraying device has the obvious advantages that the helium balloon pesticide spraying device solves the problems that for a previous back type pesticide spraying machine, a person walks in a field, crops are treaded, spraying is not even, and much labor and time are consumed are solved; the pesticide spraying device can be operated by three to four persons, and land of 500-600 mu can be sprayed one day; the helium balloon pesticide spraying device is capable of being flexibly adjusted, free of repeated spraying and miss spraying and good in atomizing effect, operation can be carried out within the wind of Beaufort force 4, the yield per mu is increased indirectly, and the working efficiency is greatly improved.

The invention discloses an intermediate culture method suitable for high-salinity mariculture of prawns. The method comprises the steps of performing standardized seedling growing, and performing salinization intermediate culture after seedling growing, wherein according to standardized seedling growing, the seedling growing water temperature is 28-32 DEG C, the salinity is 26-32%., the culture density is 100,000-200,000 / m<3>, and all operations of feeding and water changing are consistent; in the zoea stage, adopting chaetoceros, wherein the quantity of chaetoceros is not smaller than 50,000 / mL; in the acanthosoma stage, adopting chaetoceros and skeletonema costatum, wherein the quantity is not smaller than 50,000 / mL; in the post larval, adopting fairy shrimps, wherein every 1,000,000 shrimp seeds are fed with not smaller than 0.75 kg of incubated fairy shrimps. According to the intermediate culture method suitable for high-salinity mariculture of prawns, standardized seedling growing is adopted at the early stage, salinization intermediate culture is performed at the later stage, the survival rate of South America white shrimps can be increased, and therefore the yield per mu and the total yield are greatly increased, and the culture area can be enlarged.

The invention discloses a water shield planting method, and belongs to the technical field of aquatic vegetable planting. The water shield planting method comprises the following steps of: performing field selection, field planting, field management and harvesting; establishing more than one hundred mu of integrated water shield fields; controlling the water level of the water shield field by utilizing automatic facilities such as a drainage and irrigation station; breeding finishes, such as grass carp and bream, with reasonable density; increasing species diversity of the water shield field; and controlling injurious insects such as float grass and duckweed chironomids to improve the yield of the water shield and improve the quality of the water shield. By the water shield planting method, the yield per mu of the water shield is improved; the problem that the market shortage of the water shield of the entire country is solved effectively; and the method can be popularized in large area.

The invention relates to the technical field of tobacco plantation, and specifically relates to a planting method for relieving continuous cropping obstacle of tobacco plantation soil; the method comprises planting tobacco in association with garlic; the quality of the plantation soil can be maintained for a long time by planting tobacco in association with garlic, thereby maintaining the productivity of the land. By planting tobacco in association with garlic, not only the production efficiency of the land is increased, but also the yield and quality of the tobacco are increased. Meanwhile, a certain leaf area index can be kept in the field by the associated plantation, thus being able to sufficiently utilizing the light energy, space and time, thereby increasing the annual total output. The provided plantation mode achieves anniversary production of the land, increases the land utilization ratio and the yield.

The invention relates to the technical field of agricultural planting, and discloses a wheat-corn relay interplanting planting method. In the method, a mode of alternating wheat planting zones and corn planting zones is adopted, and wheat is planted before corn is planted; four rows of wheat are used as one planting zone; row spacing between the second row of wheat and the third row of wheat ranges from 25 to 35 centimeters in the planting zone, and the row spacing between the rest two adjacent rows of wheat is 20 centimeters; an empty row with the width of between 125 and 135 centimeters is reserved between the two wheat zones and is used for planting the corn zones; two rows of corn are used as one planting zone; row spacing among corn is 45 centimeters; and the space between the adjacent corn and wheat ranges from 40 to 45 centimeters. By the method, the row number of planting the wheat is reduced, and the wheat is planted in a mode of wide-narrow row spacing, namely compared with the original row spacing, the row spacing of the corn is reduced by 5 centimeters, so the space between the wheat and the corn is increased; and the planting environment of intergrowth period of the wheat and the corn is optimized, the shading effect of the wheat on the corn is relieved, and the specific yield and yield per unit area of both the wheat and the corn are improved simultaneously.

The invention discloses anti-season culture technology and method of organic watermelons, in particular to culture technology and method of nuisanceless, environment-friendly, safe and nutritious organic watermelons. Without using pesticides, fertilizers, growth regulators, hormones, herbicides, and the like, the invention adopts organic base authentification, reasonable crop rotation and organic seeding, singly prepares decomposed organic fertilizers, prevents plant diseases and insect pests by minerals and plant medicaments, utilizes the natural enemies and the inherent phototaxy and smell tendency of pests to trap the pests, adopts Pheromones sex attractant and a black light lamp to trap moth pests, utilizes a method of utilizing yellow plates to trap aphids, and the like to kill pests and protect beneficial insects. The invention adopts the culture technologies of nurturing, seedlings, grafting, ridging, culturing, covering plastic films, reasonably thick planting, adjusting plants, tending farms, fertilizing, preventing plant diseases and insect pests, and the like, fully utilizes the conditions of light, heat, gas, and the like to create an environment beneficial to the growth of organic watermelons, thereby producing organic watermelons with high yield and high efficiency.

The invention relates to a nutrient solution specially used for soilless green seedling growing of astragalus membranaceus. The solution comprises potassium dihydrogen phosphate, magnesium sulfate, calcium sulfate, ferric sulfate, EDTA, boric acid, manganese sulfate, potassium nitrate, zinc sulfate, copper sulfate, molybdic acid and purified water. Combination of the components contains major and trace elements essential for growth and development from astragalus membranaceus seedlings to formation of young plants. A water dissolved substance of the nutrient solution is free of chemical compounds or ions having toxic or side effects or pesticide residues. Through adopting the nutrient solution, prepared branchless astragalus membranaceus plants for planting can be 99% or above, the root length of astragalus membranaceus plants for planting when one crop is grew in one year reaches 40-46 cm, the root length of astragalus membranaceus plants for planting when two crops are grew in one year reaches 35-40 cm, the yield per mu when one crop is grew in one year can reach 4500-5500 kg, and the yield per mu when two crops are grew in one year can reach 3500-4500 kg. Compared with traditional astragalus membranaceus seedling growing methods, the nutrient solution increases the yield per mu, avoids soil-borne diseases, and provides strong supports for large-scale development of the astragalus membranaceus seedling growing industry.

The invention provides a high-quality and high-yield planting method of the paeonia lactiflora pall, which comprises four steps of: propagating the bud heads, managing the fields, preventing and treating the plant diseases and insect pests, and harvesting. The ribonucleic acid and the glucose nutrient are respectively sprayed at the initial bloom stage and the bloom stage in the step of field management. The high-quality and high-yield planting method has the advantages that the method is simple and convenient, nontoxic and innocuous, and free of residues, has no side effects to the paeonia lactiflora pall, and can lead the paeonia lactiflora pall to be high in quality and yield, and the common yield per mu can be increased by more than 36%.

The present invention discloses a high-yield culture method of sweet fish comprising the control of breeding time of fry in a culture pond, water temperature for culture and culture density, feed throwing and feeding and prevention of disease; the breeding time is from the end of December to the end of March next year; the water temperature for culture is 13 to 28 Celsius degrees and the culture density is that 360 to 380 fries per cubic meter in 20 days, 200 to 240 fries per cubic meter in a period of 20 to 40 days, 150 to 180 fries per cubic meter in a period of 40 to 60 days and 80 to 120 fries per cubic meter 60 days later; the feed amount thrown every day is 2 to 5 percent of the gross weight of sweet fish and the feed is thrown and fed by 2 to 5 times; the feed is added with grain feed of 10 days after breeding and only grain feed is used 20 to 50 days later; 5 kg garlic or 3kg good liver and gall is added in the feed per ton for a continuous three days every month and povidone iodine or calcium oxide is used for sterilization for a continuous three days every month. The present invention is characterized by long culture time, high survival rate and high per mu yield.

The invention relates to the field of konjac planting, in particular to a konjac planting method in a low-altitude high-accumulated-temperature region. The method comprises the following steps of seed selecting, ridging, planting, grass covering, shading, pesticide spraying, seed digging, second-generation seed konjac taking, second-generation seed konjac planting, third-generation seed konjac taking, third-generation seed konjac planting and final konjac finished product obtaining. According to the konjac planting method in the low-altitude high-accumulated-temperature region, konjac can be planted in the low-altitude high-accumulated-temperature region, and the yield of the konjac in the low-altitude high-accumulated-temperature region is greatly improved compared with that of konjac in a high-altitude low-accumulated-temperature region.

The invention discloses a special novel blending fertilizer for rape, and a preparation method thereof. The fertilizer is prepared by mixing the following raw materials, by weight, 22-32 parts of urea, 8-18 parts of diammonium phosphate, 20-30 parts of potassium sulfate, 5-15 parts of amino acids, 5-15 parts of degreased rapeseed cakes, 8-18 parts of humic acid, 0.5-1.5 parts of biological fungi and 0.5-1.5 parts of trace elements. The fertilizer has the advantages of strong specificity, high fertilizer efficiency, great improvement of the output, the quality and the oil productivity of rape, and the like, can improve the rapeseed output per 666.7m<2> by 10-20% and the oil productivity by 5-10%, and can greatly improve the quality. The fertilizer has better fertilizer efficiency than other common composite fertilizers, is especially suitable for the plantation of rapes in the regions of central south and south of the Yangtze River, and has very substantial effects. The fertilizer can be used for rapes, and can also be used for economic crops comprising grain and oil crops, fruit trees, vegetables and tea leaves. The fertilizer can be applied mainly through furrow application, can be broadcasted as an after fertilizer or is spread on the blade surfaces with water.

The invention discloses a special formula fertilizer for rice cultivation. The formula fertilizer provided by the invention comprises the following components: KNO3, KH2PO4 or Ca(H2PO4)2, KCl, MgSO4.7H2O or MgSO4.H2O, Ca(NO3)2.4H2O or Ca(NO3)2, FeSO4.7H2O or FeSO4 and CO(NH2)2. According to the experiments, compared with an existing normal fertilizer application method of a compound fertilizer, urea, ammonium hydrogen carbonate, potassium chloride and a biological fertilizer, the yield per unit area of the special formula fertilizer for rice cultivation provided by the invention is increased; the using method of the special formula fertilizer is simple and convenient; the plants grow healthily, and are resistant to lodging and diseases and pests, the pesticide spraying times are reduced, the pesticide cost and the labor cost are reduced, the yield per unit area can be increased by about 10%, the quality and the mouthfeel of hybrid rice and common japonica rice are improved, the original flavor of the rice is recovered, and the storage resistance of the hybrid rice is improved. The special formula fertilizer has a very wide application value and a very wide market prospect.

The invention relates to the technical field of sugarcane planting and discloses a sugarcane water-fertilizer integrated drip irrigation cultivation method. The method includes steps: performing landpreparation before planting, digging planting holes, soaking stems with buds in bactericidal solution, and keeping for standby application; after planting, laying mulch films around the planting holesto prevent water evaporation, and planting green manure plants at positions without the mulch films and among planting lines to protect water and soil and reduce transpiration; performing drip irrigation and fertilization, keeping the soil humidity in a range of 55%-70% in a seedling stage, keeping the soil humidity in a range of 60%-75% in a tillering stage, keeping the soil humidity in a rangeof 75%-80% in an elongation stage, and keeping the soil humidity in a range of 50%-60% in a maturation stage. Under water-fertilizer integrated cultivation conditions, water and fertilizer supply is guaranteed according to sugarcane growth rhythms, and accordingly high yield and high sugar content are realized.

The invention discloses a pregermination method for high-germination-rate pea seeds before sowing. The pregermination method comprises the following steps: (1) screening pea seeds, (2) using warm water to end dormancy of pea seeds and rubbing snakegourd seeds to remove sticky peel layers on the surfaces of the seeds off, (3) soaking the snakegourd seeds with a mixed liquid, and (4) performing ultrasonic treatment to pea seeds which are cleaned through washing, and putting the treated pea seeds in a breeding disc for pregermination. Compared with a method in the prior art, the pea seeds are pregerminated and then bred or directly sown. The seedlings grow regularly and strong and uniformly grow, and the phenomenon that the seedlings are not uniform in size is overcome. Early maturity of peas is promoted, the yield per mu is increased, and consistency in the mature period is ensured. Invasion and disturbance by diseases and insect pests can be resisted, the production cost is reduced, and the economic benefit is raised.

The invention discloses puffed pellet feed for grass carps and a preparation method thereof. The puffed pellet feed comprises following components by weight percent: 3.5% of imported fish meal, 6% of soya bean meal, 7% of peanut meal, 29% of rapeseed meal, 1.5% of spray-dried animal blood cells, 16% of No.4 powder, 12% of rice bran, 17.5% of wheat middling, 1.5% of soyabean lecithin, 5.0% of compound multi-vitamin and compound multi-mineral, 1.0% of an additive and 28% of feed protein. The feed disclosed by the invention is low in feed coefficient, safe and reliable to use, good for environmental friendliness and low in cost and is suitable for popularization and application.

The invention discloses a special fertilizer for folium llicis latifoliae trees and a production method of special fertilizer. The special fertilizer is characterized by being prepared from the following raw materials in parts by weight: 40-50 parts of an inorganic fertilizer, 20-30 parts of organic matters, 0.1-0.5 part of microelements, 0.05-0.1 part of a fertilizer activating agent, 0.1-0.5 part of a water-retaining agent, 0.1-0.5 part of a soil conditioner and 0.05-0.1 part of a pest repellent. The specific fertilizer has effects of nitrogen fixation, phosphorus activating and potassium dissolving, contains the microelements to supplement nutrition for folium llicis latifoliae trees in the growing process, can also increase the content of organic matters in soil and improve soil environment, and also has an effect of repellanting pests. After the fertilizer is applied, the folium llicis latifoliae trees grow well, the quality is improved, the yield is increased by 10 percent, and the economic benefit is greatly increased.

The invention relates to a cultivation method capable of promoting expansion of bletilla striata tubers and the bletilla striata tubers cultivated through the cultivation method, and belongs to the field of bletilla striata planting. A drainage bottom layer prepared from at least one of pebbles and river sand is arranged in a planting ditch, a first net frame, a second net frame, a supporting part connected with the first net frame and the second net frame, and an isolating planting frame provided with a first reverse osmosis membrane and a second reverse osmosis membrane in a clamping mode are arranged on the drainage bottom layer, soil with the standard that 500 kg to 800 kg of base fertilizer is applied per mu is stacked in a stacking cavity of the first net frame, and a planting ridge is formed; after seeding tubers with at least two eyes are soaked in a tuber pretreatment agent including at least one of KH2PO4 with the mass percent of 3%-4%, sodium molybdate with the mass percent of 1.5%-3% and KNO3 with the mass percent of 3%-4% for 30-36 h, and sowing, field management and harvesting are carried out. According to the method, nutrients in the soil are effectively prevented from being lost, and expansion of the tubers is promoted.

The invention discloses an irrigation method enabling the soil moisture content to be appropriate for mangos. The method comprises the steps that the soil moisture contents of the autumn shoot sprouting period, the flower bud differentiation period, the blooming and fruiting period, the fruit expanding period and the mature period are maintained to be 80%-90%, 60%-75%, 70%-80%, 80%-90% and 50%-75% respectively, trimming is carried out after fruit picking and before autumn shoot sprouting, 2-3 batches of autumn shoots are cultivated in the autumn shoot sprouting period, the soil moisture content is maintained at 80%-85% after the last autumn shoot sprouting, and if the soil moisture content is higher than 95%, roots are cut off to control water absorption; when drought happens in the flower bud differentiation period, watering is carried out once before blooming; when drought happens in the fruit expanding period, watering is carried out 10-15 days after flower drop and before physiological fruit drop; when drought happens in the mature period, watering is carried out within early 10 days of the mature period. Mango water need changes and the irrigation method in the whole growth period are firstly and comprehensively studied, scientific basis is provided for guiding agricultural water-saving irrigation, and the method has important guiding significance to improving self-management capacity of the mass peasants on mangos.

The invention provides an indoor artificial leech hibernation method, and aims at providing an artificial leech hibernation method which is easy and convenient to operate indoors and high in survival rate. By adopting the method, the leech survival rate can be increased by about 67% compared with that of an existing outdoor natural overwintering method; the leech conversation rate is increased on the premise that the mass of leech bodies is basically not decreased. Compared with an existing outdoor breeding natural overwintering conversation method, the method has the advantages that the death number of breeding leeches after overwintering can be decreased, and the body weight decrease of the breeding leeches after overwintering can be reduced; according to incomplete statistics, the dry weight of the leeches can be increased by about 40 kilograms per mu, and the economic benefit is increased by about 40,000 yuan per mu according to the current market price of 1,000 yuan per kilogram.

The invention discloses a low tunnel reflective film white celery growing method. The growing method includes the following steps: (1) soil is turned up and a field is sunned in July and August, and base fertilizer is sufficiently applied and ridges are made in late August and early September; (2) on the basis of the conventional growing method, seeding and field management are carried out according to the row spacing of 22cm; (3) in mid October, when outdoor temperature is below 30 DEG C and internal temperature is below 35 DEG C, low tunnel frameworks which are 2m wide and 80cm high are built with steel tubes and bamboo strips, reflective black-white shading films are spread on the low tunnel frameworks, and the white surfaces face up; both sides of each film are pressed out, so that wind and light cannot get in, and daily field management is then carried out; after 19 to 21 days of growing in the dark, when most of seedlings are grown to 30cm to 40cm high and are sufficiently whitened, the white celeries can be harvested. The low tunnel reflective film white celery growing method solves the problem that manpower for hilling white celeries is always hard to be found, and the growing area of white celeries is greatly limited for the reason, and the low tunnel reflective film white celery growing method has the advantages of land and labor saving, cost saving, high benefit and the like.

The invention relates to a grafting technology of melons, in particular to an intensification root-breaking grafting and seedling cultivating method for thin-skinned melons. The method mainly comprises the steps of selecting variety, cultivating robust rootstocks, performing scion and grafting, replanting seedlings, managing the seedlings after replanting and providing seedlings. With the adoption of the method, the safety of seedling cultivating is ensured in the case of cultivating a large number of seedlings (one million every time), and the advantages of reducing labor, time and energy consumption and the like are achieved.