63results about How to "Grow well" patented technology

The invention relates to a method for culturing citrus trees. The method for culturing the citrus trees comprises the following steps that (1) preparing soil, wherein the soil for culturing the citrus trees is purple soil or sandy soil which is loose in soil texture; (2) carrying out grafting; (3) applying fertilizer, wherein (a) when the fertilizer is applied to the citrus trees before maturity, fertilizer application modes comprise root fertilizer application and foliage spray, the mode of the root fertilizer application is adopted in nitrogenous fertilizer application in spring, the modes for fertilizer application in summer and autumn comprise the root fertilizer application and the foliage spray, and lime is added in nitrogenous fertilizer when the nitrogenous fertilizer is applied in autumn; (b), when the fertilizer is applied to mature citrus trees, the fertilizer applied to the mature citrus trees comprises the nitrogenous fertilizer, phosphate fertilizer, boron fertilizer, potash fertilizer and microelements, and the fertilizer application mode is the root fertilizer application; (4) carrying out irrigation, (5) removing dead leaves, frozen branches and certain sick branches and leaves; (6) carrying out winter protection; (7) carrying out pest control. The citrus trees cultured through the method grow vigorously and mature early, the absorption rate and the utilization rate of water and the fertilizer are improved, insect attack cannot occur easily, and obtained oranges are healthier and better in quality.

The invention discloses a culturing method of Mountain Lao edible liquid bacteria of bolete, which comprises the following steps: using potato, glucose, pine root powder, vitamin B1, agar and distilled water as raw material to dispense culture medium and liquid culture medium according to certain proportion; adopting the culture medium to culture partial fruiting body of Mountain Lao edible liquid bacteria of bolete; fermenting the mycelium according to the liquid culturing method to do rapid liquid ferment and culture for the Mountain Lao edible liquid bacteria of bolete.

The invention discloses a water planting method for a Chinese pine seedling suitable for an experiment. The water planting method comprises the following steps: A. seed germination pre-cultivation, namely Chinese pine seeds are disinfected with 0.1% mercuric chloride, washed by running water for further use, clean wet sand is loaded in a cultivating device, and germination pre-cavitation of the Chinese pine seeds is conducted in general sand, B. adaptability cultivation, namely after the seeds are germinated, same-size and robust seedlings are chosen and transplanted into water for adaptability cultivation till seed cases drop off, C. growth of needles, namely after the seed cases drop off, the seedlings are transplanted to nutrient solution to cultivate, and two-wheeled needles grow after twenty days, and D. seedling collection, namely seedlings are collected according to experiment requests to be used in the experiment. The water planting method for the Chinese pine seeding suitable for the experiment has the advantages that soil is replaced by the nutrient solution to cultivate Chinese pine seedlings trough seed germination to Chinese pine growth, thus control and operation are easy, the growth of the Chinese pine seedlings is faster than soil culture, the growth of the Chinese pine seedlings is good, good seedlings are provided to the experiment, when the roots of the seedlings are under stress treatment, other factors of experimental treatment is controllable, the factor is single and strong in controllability, the Chinese pine seedlings are suitable for process of the experiment, and accuracy of experiment data is improved.

The invention discloses a method for interplanting radix pseudostellariae under camellia oleifera woods and relates to the technical field of economic crop matching planting. The interplanting method comprises a step (I) of camellia oleifera wood selection; a step (II) of tidying of interplanted camellia oleifera woods; a step (III) of interplanting wood land fertility fostering; a step (IV) of primary interplanting wood land tidying; a step (V) of wood land bedding: a step (1) of division of rectangular pieces of land in a field and a step (2) of bedding; a step (VI) of digging of planting holes; a step (VII) of transplantation: a step (1) of planting hole treatment, a step (2) of seedling selection, a step (3) of lifting of seedlings and a step (4) of plantation; a step (VIII) of management: a step (1) of early period management and a step (2) of middle and later period management; a step (IX) of harvesting. The method has the advantages of being capable of improving wood land resource utilization effects and lowering maintenance costs of newly-built camellia oleifera woods, is suitable for interplanting of the newly-built camellia oleifera woods, and can also be used for interplanting of other vegetables under the camellia oleifera woods.

The invention provides a preparation method for fibrinolytic fermented bean curd blanks. The preparation method is characterized in that the used bacillus natto HT8 is preserved in China General Microbiological Culture Collection Center, China Committee for Culture Collection of Microorganisms, with a preservation number of CGMCC 7168; and mucor is obtained by separating from Zhongxian Zhongzhou fermented bean curd blanks. The preparation method comprises the steps of preparing the fermented bean curd blanks; activating strains; preparing a mucor seed solution; preparing a bacterium seed solution; inoculating and culturing. Under the conditions that mucor and bacillus natto produced protease and bacillus natto produced plasmin are used as evaluation indexes, the mucor grows well after bacillus natto is inoculated; influence to protease content is not large; nattokinase activity in the obtained fermented bean curd blanks can reach 39.36 IU/g; and protease activity reaches 174.11 U/g. The preparation method can finish co-fermentation of the bacillus natto and the mucor only by using an original production line of the fermented bean curd blanks, without increasing any equipment, thereby greatly saving production cost.

The invention discloses a method for alkali metal ions to assist transitional metal chalcogenides in growth. The method comprises the following steps: firstly, cleaning a substrate; secondly, laying a material containing alkali metal ions on a graphite boat containing the substrate and on the upstream or above the substrate; thirdly, laying a molybdenum foil or tungsten foil having the same size with that of the substrate above the graphite boat containing the substrate, and laying chalcogen simple substance on the upstream of an air flow relative to the substrate; fourthly, removing residual air in a reaction chamber, leading argon into the reaction chamber, heating the chalcogen simple substance and the substrate respectively to different temperatures after air flow is stable, then ensuring that the temperature is constant, and growing large-sized transitional metal chalcogenides on the substrate a few minutes later. According to the method, the transitional metal chalcogenides are grown by utilizing the alkali metal ions for assisting, samples with large sizes can be obtained within a short time, and the method realizes efficient preparation of high-quality transitional metal chalcogenides.

The invention discloses a watermelon special organic fertilizer composed of the following components in parts by weight: 15-30 parts of rice straw, 20-35 parts of apple peel, 20-30 parts of sweet potato vines, 10-20 parts of sorghum straw, 10-20 parts of sunflower straw, 10-20 parts of garden pea vines, 10-20 parts of plant ash, 5-10 parts of sheep urine, and 150-300 parts of a fertilizer additive. The invention also provides a preparation method of the watermelon special organic fertilizer. The content of potassium in the fertilizer is effectively increased, so that the growth of watermelon can be better promoted, and the number of times of fertilization in the watermelon growth process is reduced; the fertilizer provided by the invention can effectively prevent and control diseases and insect pests of watermelon met in the growth process; and in addition, the fertilizer provided by the preparation method can effectively improve the nutritional content in the watermelon, has thin peel, and tastes sweet.

The invention discloses a processing method for livestock and poultry died of illness. The processing method comprises the following steps that livestock and poultry died of illness are disintegrated through a disintegrator; disintegrated dead bodies are loaded into an disintegrated material receiving device; the disintegrated dead bodies are put into a drying chamber and subjected to direct sterilization drying through hot gas with the temperature being 120-320 DEG C, and grease flowing out in the sterilization drying process is collected and utilized; meat, hairs, bones and other substances subjected to sterilization drying are subjected to squeezing processing; the grease and surplus materials are obtained after squeezing processing, and after being smashed, the obtained surplus materials are added with a mixture to be made into raising raw materials; 100 mass parts of the raising raw materials are added with 0.5-1 mass part of EM original liquor, the raising raw materials and the EM original liquor are mixed and then ferment for 3-5 days, and raising materials with the water content being 55 wt%-70 wt% is prepared; black soldier flies are inoculated in the raising materials, and the raising materials are used for supplying food to black soldier fly larvae; after the raising materials are converted into small-granular residues, the larvae and the residues are separated, and the black soldier fly bodies and the surplus residues are obtained; and the surplus residues are used for making organic fertilizers.

The invention provides a method for quickly planting fracturing alkali soil switchgrass, which mainly aims to solve problems such as high alkalization degree, heavy texture and low fertility of fracturing alkali soil, low emergence rate of switchgrass and difficult planting. The technical scheme adopted by the method for quickly planting the fracturing alkali soil switchgrass, provided by the invention, comprises the following steps of: 1, laser soil leveling; 2, improved material application; 3, fertilizing in a composite organic and inorganic way; 4, deeply tilling and upturned soil sunning; 5, irrigating, salt leaching and alkali pressing; 6, soil preparing before transplantation; 7, seedling transplantation; 8, field management; 9, timely harvesting; 10, winter irrigating, alkali pressing and soil moisture conservation. According to the method for quickly planting the alkali soil switchgrass, disclosed by the invention, the quick planting of the switchgrass on the fracturing alkali soil can be realized, the switchgrass can well grow, a higher biological yield can be obtained at the same year when the switchgrass is planted, the method is suitable for planting the fracturing alkali soil switchgrass on Yinchuan Plain of Ningxia, the method is beneficial for resource development and utilization and biomass energy production, and obvious economic, social and ecological benefits are obtained.

Disclosed is an automatic irrigation and dust-washing machine which automatically performs irrigation when the soil turns dry and automatically sprays water to wash away dust when the dust becomes thick. The humidity of soil and the thickness of dust covering flowers and trees are detected at regular intervals; if the humidity of soil or the thickness of dust exceeds the set value (the soil is too dry or the dust is too thick), an electromagnetic valve (or a pump) is started up to spray water for irrigation and dust washing, and the water spraying stops when the prolonged time for water spraying (hereinafter referred to as discharge time, which is set according to the actual situation) is up. The water spraying time is delivered with a design of double time control (namely double insurance) so as to completely eradicate the accident that the water flow can not be stopped due to machine faults. After the humidity of the soil is set, perennial management is unnecessary, and the machine can automatically regulate and control the wetness of the soil: the temperature in summer is high and the water in leaves vapor quickly, so the wetness of the soil increases; on the contrary, the wetness of the soil is reduced in winter, thereby ensuring that the flowers and trees grow well and are clean without dust. The automatic irrigation and dust-washing machine of the invention is characterized by full automation, simple use and management, low power consumption, water saving, labor saving and expenditure reduction and ensures landscaping and flower and tree management to progress towards modernization gradually.

The invention discloses a profitable soil microorganism mixed fermentation method. The method includes the steps of 1) activating paecilomyces lilacinus, issatchenkia orientalis and bacillus licheniformis on a PDA (potato dextrose agar) medium, a YPD (yeast extract peptone dextrose) medium and a nutrient agar medium respectively, and transferring the three activated strains to corresponding liquid media so as to prepare seed fermentation broth; 2) inoculating 10% of each of the three strains into a mixed fermentation medium, and controlling the living bacteria count of the bacillus licheniformis to be one order of magnitude higher than those of the paecilomyces lilacinus and the issatchenkia orientalis according to the relation between the living bacteria count of the seed fermentation broth and an OD600 (optical density 600) value. The profitable soil microorganism mixed fermentation method has the advantages that a mixed fermentation medium formula is simple, production cost is reduced, equipment utilization rate is increased, and accordingly the profitable soil microorganism mixed fermentation method is suitable for large-scale production of fermented products; the fermented products are capable of improving soil flora balance, promoting growth and increasing production and can be used for producing biofertilizer and biopesticide by being compounded with organic materials, soil improvement agents and the like.

The invention discloses a technological method of a shield grid trench-type power MOS device. The method comprises the following steps: step 1: performing trench etching on a silicon substrate, and forming a sacrificial oxide layer; step 2: depositing a liner oxide layer, depositing polycrystalline silicon, back-etching, and forming a bottom polycrystalline silicon in a trench; step 3: forming a polycrystalline silicon interlayer medium oxide film; step 4: growing a heat oxide layer on the surface of an entire silicon sheet; step 5: back-etching the heat oxide layer; step 6: forming a grid oxide layer; and step 7: depositing polycrystalline silicon, back-etching, and forming an upper layer of polycrystalline silicon in the trench. The heat oxide layer process is first carried out after the polycrystalline silicon interlayer medium oxide film process, so that corners of the upper surface of the bottom polycrystalline silicon are rounded, thus increasing an exposure area of a silicon substrate material, in the subsequent growth process of the grid oxide layer, the grid oxide layer grows better, the thickness of the film is better in uniformity, and points that are easy to puncture are reduced.

The invention provides a preparation method of a three-dimensional cell culture support. The preparation method includes the following steps: (a) weighting 1-10g of polymer and dissolving the polymer in an organic solution of 10-100ml, and making a polymer solution; (b) weighting 0-500mg of a plasticizer, adding the plasticizer into the polymer solution, and mixing the solution uniformly; (c) weighting 0-2g of hydroxyapatite gel nanoparticles, 0-2g of silver nanoparticles, 0-2g of zinc oxide nanoparticles and 0-2g of chitosan nanoparticles, adding the nanopaticles into the solution treated in the step (b), mixing the solution uniformly and obtaining spinning original liquid; (d) injecting the spinning original liquid into an electrostatic spinning device and obtaining spun yarns on a receiving device of the electrostatic spinning device; (e) carrying out drying treatment on the obtained spun yarns to obtain the three-dimensional cell culture support. The invention further provides a culture device of three-dimensional cells, wherein the culture device is obtained on the basis of the preparation method of the three-dimensional cell culture support. The culture device can provide non-toxic growing environment which has biocompatibility for cultured cells, and meanwhile is suitable for culture of various kinds of the cells.

The invention discloses high temperature-resistant Pleurotus ostreatus and a screening method and applications thereof. The high temperature-resistant Pleurotus ostreatus has a preservation number ofCGMCC:16378, has good high temperature resistance, and is cultured well and grows well at the temperature of 30-35 DEG C. The fermentation liquor of the high temperature-resistant Pleurotus ostreatuscontains abundant polysaccharides, and the polysaccharides have a strong scavenging capacity on .OH free radicals and O2<->. free radicals. In addition, the high temperature-resistant Pleurotus ostreatus can also be used as edible fungus.

The invention relates to the technical field of detection of crops, and in particular relates to a dry hot air environment simulating and monitoring device for crops. The device comprises a crops growing control chamber, a lighting simulating unit, a hot air generating unit, a crop damage state monitoring unit, a dry hot air influence inhibition unit and a processing control unit; the hot air generating unit is used for charging dry hot air into the crop growing control chamber to simulate the generation of the dry hot air of the crops; the crops damage state monitoring unit can detect the indoor temperature, humidity, air speed, lighting temperature, soil temperature, water content in soil, crop leaf temperature and other growth environment indicators of the crops and transmitting to the processing control unit on real time so as to monitor the degree of influence of the dry hot air on the crops on real time; the processing control unit can control the dry hot air influence inhibition unit to work according to the crops growth environment indicator information so as to reduce or inhibit adverse influence of the dry hot air on the crops as well as effectively preventing the influence of the dry hot air.

The invention discloses a wild-imitating planting method of dendrobium officinale with good growth vigor, which includes steps of primary cultivation; secondary cultivation; seedling cultivation; planting: selecting night-faced cliff rock wall with rock body of glutenite; upwards fitting the dendrobium officinale plants to the cliff, and closely fixing roots of the stock trees to the smooth and waterlog-free cliff rock wall with slope of 80-90 degrees by an iron fixing buckle, wherein the planting time is January-March; the longitudinal planting space of the dendrobium officinale plants is 10-20m, and the cross planting space is 1-3m; topdressing: performing the first topdressing in 5th-7th days before the Qingming Festival, and spraying fluid fertilizer; pasting fertilizer to the root parts in the 5th-7th day after the winter begins; watering: watering for 2-3 times every day within 5-7 days after planting, and controlling the humidity at 75-85%; harvesting: harvesting after plantingfor 3-4 years. When the dendrobium officinale is planted by the method, the tissue culture seedling is good in growth and high in both of growth value and rate of increase; moreover, no hormone contains in a culture medium.

The invention provides an isolated weaning breeding method for Guizhou native piglets. The method comprises the following steps of (1) feeding feed A within first 3 days after weaning of he piglets, wherein the feed A is prepared from fermented soybean meal, plasma protein powder, puffed corn, glucose, fish meal, crowndaisy chrysanthemum fermented dry powder, rhizoma phragmitis powder, citric acid, compound amino acid, compound vitamin, organic selenium 0, ferrous fumarate and edible salt; and (2) from the fourth day to the fiftieth day after weaning, feeding feed B, wherein the feed B is prepared from extruded soybeans, extruded corn, wheat bran, fermented soybean meal, fish meal, calcium hydrophosphate, hawthorn fruit powder, grape seed fermented dry powder, compound amino acid, compoundmicroorganisms, choline chloride, organic selenium, ferrous fumarate and edible salt. According to the breeding method, the daily gain of Guizhou native Congjiang xiang pigs after weaning can be remarkably improved, the occurrence rate of diarrhea is remarkably reduced, and the Congjiang xiang pigs fed according to the method have excellent meat quality.

The invention provides a plant growth regulator. The technical scheme adopted by the invention is as follows: the plant growth regulator comprises water and mineral salt and is characterized by also comprising the following components in parts by mass: 1-4 parts of ailanthus juice, 1.5-4 parts of dimethyl benzene, 0.5-1.4 parts of wintergreen oil and 0.5-2.0 parts of nitenpyram. Compared with the prior art, the plant growth regulator has the beneficial effect that the ailanthus juice, dimethyl benzene, wintergreen oil and nitenpyram are added to ensure that the plant growth regulator has a very good effect on the growth of plants.

The invention provides a long-time preservation method of a magnaporthe oryzae strain. Rice stalks are taken as the preservation carriers to preserve the magnaporthe oryzae; specifically, a culture medium is poured onto a culture dish flat plate; after the culture medium is solidified, the rice stalks are evenly placed on the culture medium immediately; after the rice stalks absorb the condensate of the culture medium and few nutrient substances carried in the condensate, the magnaporthe oryzae strain is inoculated to the center of the culture medium without rice stalks and enabled to grow and reproduce on the rice stalks; next, the rice stalks with the magnaporthe oryzae are dried at a constant temperature of 30 DEG C and then placed at a temperature within the range of -80 DEG C to 4 DEG C, and therefore, the long-time preservation of the magnaporthe oryzae strain is realized. The preservation method is simple, convenient and quick to operate; the treated magnaporthe oryzae strain is long in preservation period and stable in strain characters; besides, regular transplant is not required in the preservation period, and the preservation cost and the preservation space can be saved; the preservation method is safe and reliable, and also capable of activating the strain more conveniently; in short, the preservation method has important application value for study on the biological characteristics of the magnaporthe oryzae and the development of rice disease-resisting breeding.

The invention provides the (bacilli sp.) A1 which is stored in a common microorganism center of the China Committee for Culture Collection of Microorganisms of Microbiology Research Institute of China Science Academy which is located at No.3 of yard 1 of the Beichen west road of Chaoyang District of Beijing, and the storage number is CGMCC No. 8686. The provided bacillus strain is original bacilli obtained by being directly separated and screened from aquatic water, and therefore the provided bacillus strain is low in potential fulminant perniciousness to stichopus japonicas and environment ecology when applied to a stichopus japonicus aquaculture pond. The bacillus strain is screened through low temperature and organic degradation capacity to obtain the target bacillus strain, and the target bacillus strain grows well under low temperature and is high in degradation capacity on ammonia nitrogen and COD in bait.

The invention discloses a tissue culture method of spathiphyllum kochii petioles. The method comprises the steps as follows: spathiphyllum kochii is obtained with petioles of the spathiphyllum kochiias explants through disinfection and cleaning, callus culture, callus differentiation culture and rooting culture. The spathiphyllum kochii with good growth condition and low production cost can be obtained, the rooting induction rate is 100% in a sugar-free culture medium for rooting culture, and technical support is provided for cost saving of industrial production.

The invention discloses an efficient pre-treatment device for culturing human umbilical cord mesenchymal stem cells and a related application thereof. The efficient pre-treatment device comprises a turnover upper cover, a cutting assembly, a digestion assembly and a cleaning centrifugal part, wherein a cutter groove is formed in the upper cover; the cutting assembly located at an opening of a shell is composed of latticed blades and an elastic seal ring and the latticed blades and the cutter groove are correspondingly arranged; the digestion assembly is located in the middle of the shell; and the cleaning centrifugal part is located on the lower portion of the shell. The invention also provides a cell pre-treatment and culture method based on the efficient pre-treatment device. The method comprises the following six steps: human umbilical cord cutting and separating; enzymic digestion; centrifugal purification; culture medium preparation; two-dimensional culture; and subculture. The cell culture method based on the efficient pre-treatment device disclosed by the invention is stable in technology and good in repeatability, avoids the problems of low cell activity and poor yield, improves the cell activity and yield greatly, simplifies the operating process, and is flexible and convenient to use.

The invention belongs to the field of heavy metal polluted soil improvement and biotechnology, discloses a method for improving heavy metal polluted soil by ectomycorrhizal fungus assisted pinus thunbergii. The method is characterized by including the following steps that 1, pinus thunbergii seedlings are cultured; 2, an ectomycorrhizal fungus agent is prepared; 3, mycorrhizal pinus thunbergii iscultured; 4, heavy metal polluted soil is improved. The ectomycorrhizal fungus agent is adopted as a material to be inoculated into the root system of pinus thunbergii, the survival rate of the thunbergii seedlings planted in the heavy metal polluted soil is improved significantly, the physical and chemical properties of the soil are improved, and the heavy metal polluted soil is improved easily.

The invention discloses a method for improving the rhus succedanea seed germination rate and accelerating germination. The method comprises the following steps that (1) ripe and full rhus succedanea seeds are selected to get peels removed and disinfected, and then the treated seeds are dipped with 98% concentrated sulfuric acid for 20-25 minutes so as to accelerate germination; and (2) the seeds obtained in the step (1) are dipped with a gibberellin solution with the concentration being 300mg/L for 12 hours, the seeds are washed cleanly under flowing water after being treated, and the cultureconditions are controlled to conduct germination acceleration. The method can omit the steps of long-time seed soaking and stratification treatment, rapidly breaks seed dormancy of rhus succedanea, effectively improves the seed germination rate, and the germination rate is as high as 98% or above. Meanwhile, the germination time is greatly shortened, the seeds can germinate completely after about7-10 days, the purpose of rapid gemination acceleration is achieved, germination is tidy and consistent, and operation management such as seedling transplanting and field planting in the following period is facilitated.

The invention discloses a black fungus culture method and device used for black fungus culture. The culture method comprises steps of 1: inoculating fungus thallus in the device used for black fungus culture; and 2: cultivating the device successively for three stages at a temperature of 20-30 DEG C and keeping the device for a certain time in each of the stages by injecting heavy-oxygen-enriched water into the black fungus culture medium via an injector in the first stage, injecting liquid culture medium into the black fungus culture medium via an injector, and injecting bacteria-free water into the black fungus culture medium via an injector. The invention also discloses the device used for black fungus culture. According to the invention, a problem of a failure to add water at any time in the black fungus culture process is solved; and requirements on oxygen and nutrient substance in the black fungus growing process are ensured. The device is simple and practical and can be widely popularized, and production cost is reduced.

The invention discloses a breeding method for a native chicken. The method comprises the following steps that (1) a breeding environment is set up, a breeding place is located in the slopes with sufficient lighting, no industry and villages, and a chicken house is built in the breeding place; (2) water drinking is managed, spring water is taken for the chicken to drink freely every day; (3) dailyfeeding is carried out, a first stage is that concentrated feed is fed from shell breaking to 12-day-old; a second stage is that special feed for chickens and green feed are fed from 13-day-old to 30-day-old; (4) daily management is carried out, after the chicken grows to 15-day-old, the chickens is driven out of the chicken house during a sunny day and is bred outside cages for 1.5-5 hours. The breeding method for the native chicken improves a traditional feeding method of the chicken according to the growth characteristics of the native chicken, the immunity and disease resistance of the native chicken are improved without antibiotics and other drugs, and the breeding rate of the native chicken is improved, thereby improving the breeding efficiency of the native chicken.

The invention discloses an efficient feed feeding device for breeding. The device comprises a feeding machine and a storage tank which is arranged on the top of the feeding machine, a storage cavity is formed in the storage tank, and a conical cavity which extends downward is communicated with the bottom of the storage cavity; an extension segment of the bottom of the conical cavity extends into the feeding machine, a feeding part which extends downward is arranged in the feeding machine on the bottom of the conical cavity, and a discharge groove is communicated with the extension tail end ofthe bottom of the feeding part; a discharge port which is communicated with the bottom surface of the feeding machine is communicated with the bottom of the discharge groove, a sliding cavity which extends left and right is communicated with the side, close to the conical cavity, of the feeding part, and a discharge manipulation device is arranged in the sliding cavity; guide movement grooves areoppositely formed in the inner walls at the left and right sides of the discharge groove, sinking grooves are formed in the bottom walls in all the guide movement grooves, and a screening plate is insliding matching connection between the guide movement grooves at the left side and the right side. The efficient feed feeding device for breeding is simple in structure and convenient to operate andcan automatically conduct detailing work, the feeding efficiency and feeding uniformity are improved, and waste is reduced.

The invention discloses a method for strengthening nicotine-resisting hermetia illucens breeds. The method comprises the steps that spawns produced by the screened wild nicotine-resisting hermetia illucens breeds are bred into adults through initial breeding materials, and the spawns produced by the adults are strengthened N times through strengthening breeding materials and bred into adults. The initial breeding materials are composed of, by weight, 70 percent to 90 percent of bran and 10 percent to 30 percent of imported fish meal, and the humidity of the formula materials is adjusted to 70 percent through the nicotine aqueous solution with the mass percent concentration of one permillage. The nicotine aqueous solution with the proper concentration is directly and scientifically combined with the bran and the imported fish meal, hermetia illucens is successfully strengthened and bred, the nicotine resisting capacity of the hermetia illucens can be effectively and gradually improved, severe dispause of the hermetia illucens cannot be caused, the nicotine resisting capacity of the wild hermetia illucens breeds can be strengthened step by step, and the more stable breeding effect is obtained.

The invention discloses a method for cultivating fingered citron in winter. The method includes: building a greenhouse on sandy loam, shading the periphery of the greenhouse with sun shading nets, and covering the top plane of the greenhouse with straw mulch so as to keep the temperature in the greenhouse to be 15-30 DEG C; selecting a branch of 2.5-3 years, soaking with water to sterilize, cutting a 1-3cm opening in the surface layer of the branch , dipping the branch with alcohol, wrapping the dipped branch with cloth dipped with water and nutrition solution so as to moisturizing the loam, watering every other 1-3 days, and cutting off and transplanting after 1.5-2 months; cutting a cut half of the depth of the branch in the branch, bending the branch upwards to allow the cut to form a longitudinal cut 13-15cm in length, sandwiching with a bamboo tube, and fertilizing and spraying pesticide after rooting. The method has the advantages that the greenhouse is built reasonably, the cultivation method of the fingered citron is improved, and the fingered citron is good in growth and high in yield.

The invention relates to a method for establishing an efficient regeneration system by taking medical and edible plant dandelion roots as explants. The method comprises the following steps: (1) putting the dandelion roots in an MS medium to induce one-step culture; (2) putting robust cluster buds or plants into a 1/2MS rooting medium, and performing cultivation to obtain complete seedlings with roots; (3) exercising the complete seedlings with the roots, putting the complete seedlings with the roots into a substrate to grow for 20 to 30d, and then transplanting the complete seedlings with the roots to a large field. The seedlings obtained by using the method are robust and high in survival rate, and a great number of high-quality seedlings of dandelion can be provided within a short time.