74results about How to "Promote rapid reproduction" patented technology

The invention discloses a biomass-charcoal-containing composting system and composting method. The biomass-charcoal-containing composting system mainly comprises the following raw materials in parts by weight: 92-110 parts of basic composting material, 0.3-0.5 part of microbial inoculant and 0.9-1.8 parts of biomass charcoal. The basic composting material comprises sludge and straws, wherein the sludge and straws are mixed, so that the carbon-nitrogen ratio of the basic composting material is 20-30, and the water content of the basic composting material is 50-70%. The method comprises the following steps: mixing the raw materials for constituting the basic composting material, adding the microbial inoculant and biomass charcoal into the basic composting material, and uniformly mixing to obtain the composting system. A three-step fermentation process is utilized to perform composting fermentation on the composting system for 28-32 days, thereby obtaining the biological compost.

The invention relates to bacillus mucilaginosus and application thereof for preparing a saline alkali soil improvement agent. The bacillus mucilaginosus JDzhs-bh is preserved at the China Center for Type Culture Collection on March 20th, 2019, the address is No.3, courtyard 1, the western Beichen road, Chaoyang district of Beijing, and the strain preservation number is CGMCC No.17376. The invention discloses bacillus mucilaginosus capable of resisting high temperature and saline alkali and being cultivated through ultraviolet mutation screening for the first time. The bacillus mucilaginosus has the stress resistance for high temperature and saline alkali, and can effectively adapt to saline alkali hardening soil. Meanwhile, the effect of degrading silicon and phosphorus is achieved, release of elements such as soluble silicon and phosphorus in soil is promoted, crop stress resistance is enhanced, the utilization rate of the soil repairing agent is achieved, saline alkali soil is repaired and improved, and salinization is lowered.

The invention discloses an automatic detection method for cracks of a concrete member. The automatic detection method comprises the following steps: S1, obtaining a plurality of pieces of crack images of the concrete member; S2, carrying out recognition processing on the crack images by adopting a mathematic morphologic method through top-hat transform according to linearization and dark target characteristics of the cracks, so as to obtain new crack images containing crack information and non-crack information; S3, rapidly positioning and matching positions of the cracks in the processed crack images by adopting a stratification matching method based on an image Gaussian pyramid; synthesizing the processed adjacent crack images according to the positions of the cracks in sequence to obtain adjacent crack image synthetic images, and synthesizing until a crack distribution map of the concrete member, which contains all the crack information, is obtained; and S4, automatically generating a crack detection report of the concrete member according to physical parameters of the cracks in the crack distribution map. According to the automatic detection method disclosed by the invention, the detection efficiency and the detection speed are improved, and manual risks and detection errors are reduced; and crack appearance characteristics on the surface of the concrete member can be rapidly and completely displayed again.

The invention discloses a soil improvement method which comprises the following steps of: a, crushing organic materials and carrying out compost fermentation and decomposition to obtain decomposed organic fertilizer; and b, fully mixing the decomposed organic fertilizer with phosphate fertilizer, and evenly spreading the mixed fertilizer on a flattened ground and plowing soil, wherein the dosage of the decomposed organic fertilizer is 800-1500kg / mu and the dosage of the phosphate fertilizer is 50-100kg / mu. Through the method disclosed by the invention, the soil can be rapidly fertilized and the land capability can be improved.

The invention provides a streptomyces fradiae solid culture medium, a culture method and a preparation method of an agricultural microbial agent, belonging to the field of microbial fermentation. The streptomyces fradiae solid culture medium is prepared from the following components in parts by weight: 3-10 parts of corn flour, 3-18 parts of soybean meal, 18-45 parts of straw powder, 10-30 parts of turfy soil, 20-50 parts of phosphate tailing, 1-10 parts of calcium carbonate and 40-50 parts of nutrient solution. According to the invention, a solid fermentation culture medium is prepared through liquid-solid two-phase fermentation by adopting the solid culture medium and is used for producing an agricultural streptomyces fradiae agent. The fermentation culture medium for streptomyces fradiae spore production, provided by the invention, is suitable for the growth of streptomyces fradiae, and over 7.5*10<9> spores can be produced from each gram of fermentation raw material; and the germination rate of the prepared spore powder can reach 95%, the prepared agricultural microbial agent conforms to the national standard of agricultural microbial agent, and an obvious promotion effect is realized on the crop growth.

The invention provides a yellow needle mushroom culture medium and a preparation method, and the culture medium comprises the following components by weight: 10-15 parts of lemon peel, 5-8 parts of sugar cane, 5-10 parts of glutinous rice, 3-6 parts of millet powder, 3-6 parts of pumpkin, 0.5-1 part of sodium chloride, 2-3 parts of silkworm pupa powder, 0.3-0.5 parts of yeast powder, 0.5-1 part oftomato extract, 0.3-0.5 parts of paclobutrazol powder, 0.2 to 0.4 parts of anti-dropping powder, 3-5 parts of chitosan, 0.5-2.5 parts of magnesium carbonate, 20-25 parts of trehalose, and 1.3-9.5 parts of nano-calcium carbonate, and 0.2 to 0.8 parts of laurinol sodium sulfonate.

The invention provides a method for promoting germination of Cynanchum acuminata seeds through fungi and concretely provides a method for inducing fast germination of Cynanchum acuminata seeds through a fermentation broth of Fusarium redolens having the preservation number CGMCC No. 13875. When the fermentation broth of Fusarium redolens is concentrated to 1 / 2 the original volume, the germination rate is the highest and is 48.72% and germination time is only 5 days. The method is simple in operation and low in cost, has no pollution and is an effective method for promoting rapid germination of Cynanchum yunnanensis seeds.

The invention discloses a method for monitoring the safety and stability of a power grid to which renewable energy is accessed, and the method includes the following steps: 1) inputting standard dataof a case system; 2) using a Monte Carlo random sampling method to take N renewable energy samples to form a sequence v; 3) calculating the actual output active power of renewable energy per unit; 4)judging whether renewable energy output power which is not judged by the judging step normally runs; 5) calling power flow analysis software to carry out power flow calculation on the system and saving a calculation result; 6) carrying out transient stability calculation on the case system and storing a transient stability index eta and CCT data; 7) completing N times of simulation calculation; and 8) performing data processing. The invention has the advantages of: 1) more conveniently and more effectively defining of multiple faults; 2) actually only analyzing the fault group activated out ofinterest, and greatly improving the calculation efficiency; 3) being capable of flexibly, conveniently and quickly simulating and reproducing the actual fault process of the power grid.

The invention relates to a growth promoting agent for promoting photosynthetic bacteria strain to quickly breed and a using method of the growth promoting agent. The growth prompting agent is obtained as follows: adding 1 part weight of one or a mixture of sorbic acid, potassium sorbate or sodium sorbate to 1-4 parts by weight of alcohol for stirring, mixing and dissolving. The using method of the growth promoting agent is as follows: adding the growth promoting agent to a prepared photosynthetic bacteria liquid medium for stirring until the growth promoting agent is sufficiently dissolved; adding active photosynthetic bacteria strains for filling to a sealed or semi-open light transmission container for culturing at 25-32 DEG C by radiating under 1500lux-1600lux, wherein sorbate radial concentration of the growth promoting agent, which is added to the photosynthetic bacteria liquid medium, is controlled within a range of 0.005 mmol / L-1.0 mmol / L. The growth promoting agent for promoting photosynthetic bacteria strain to quickly breed is simple to use, less in usage, low in cost and capable of promoting photosynthetic bacteria strain to quickly breed. Moreover, the using method of the growth promoting agent is safe, ecological and environment-friendly and extensive in market prospect.

The invention discloses a budding propagation method with xylem for rosa rugosa. The method comprises the following steps: completing grafting according to the following steps from mid-to-end of November every year to mid-to-end of January next year: preparation of stocks and scions, peeling of buds, cutting and jointing of stocks to complete grafting; inserting bundled cuttings in a container cup filled with nutrient soil and moving in a greenhouse; carrying out bud picking and pulling up weeds in time after growing out of the cup, and unbundling in time until rose buds grow to 10cm to 15cm in height; ventilating for hardening-seedling in time when the daily average temperature in spring is stabilized between 12 DEG C and 18 DEG C, outplanting in land field planting after the hardening-seedling, wherein the field planting lasts in early May to early-to-mid of June in general, and the height of seedlings is more than 30cm. While the varietal characteristics of the rosa rugosa remain, the budding propagation method has higher propagation coefficient, the rate of survival is also more than 85%, intermediate propagation of the rosa rugosa is extremely facilitated, and large-scale production is realized.

The invention relates to a quick grafting method for jujube tree seedlings. The method comprises the following steps: selecting annual wild jujube seedlings with stems of more than 0.8-1.5cm as a grafting root stock, cutting two sides of a scion end into a wedge-shaped bevel, downward cutting a 3cm notch on the root stock, then directly inserting the wedge-shaped bevel of the scion end into the notch, and binding the grafting part with a plastic film; subsequently smearing a fruit tree wound healing agent or polyvinyl alcohol decocting liquid (polyvinyl alcohol: water=1: 4) at the top of the scion, watering after the wound is healed in 25 days, clearing root stock sprouts, after the young sprouts of the scion grow to 20cm, releasing the plastic film, and arranging a rod for stabilizing the young sprouts so as to prevent the young sprouts from being broken by wind; and after the jujube tree seedlings grow to 1.5m, carrying out top removal so as to accelerate stem growth. Compared with the traditional whip grafting method, the jujube tree seedlings obtained by the grafting method provided by the invention have the advantages of being greatly increased in grafting efficiency, high in survival rate of the jujube tree seedlings after grafting, capable of meeting project requirements, and suitable for large-scale popularization.

The invention belongs to the field of preparation methods of organic fertilizers, and discloses a method for preparing an ecological organic crude fertilizer through rapid degradation of livestock and poultry wastes. The method comprises the following steps: (1) conditioning the wastes: adding an organic conditioner and an inorganic modifier sequentially into the livestock and poultry wastes, and uniformly stirring to obtain a mixture I; (2) adding bacteria: heating the mixture I obtained in the step (1) to raise the internal temperature of the mixture I, and adding the degrading bacteria to obtain a mixture II; (3) performing assistant fermentation: heating and stirring the mixture II, and forcibly convecting the mixture II till the moisture content of the mixture II reaches 30-40%, so as to obtain the organic crude fertilizer. With the method provided by the invention, the dehydration characteristics of the livestock and poultry wastes can be effectively improved, heavy metals are fixed and antibiotics are oxidized; organic matters and crude fiber in the livestock and poultry wastes and the organic conditioner can be utilized and decomposed by the degrading bacteria within a short time, so that bound water is easier to remove.

The invention relates to a chlorella and green plant juice powder solid beverage, which is prepared from the following raw material components in parts by weight: 1-8 parts of chlorella powder, 1-6 parts of wheat seedling powder, and 1-6 parts of fructo-oligosaccharide. The chlorella and green plant juice powder solid beverage provided by the invention can effectively complement nutrient substances of vitamins, trace elements and the like, required by human bodies, and can notably improve the immunity of human bodies.

The invention discloses a method for rapid propagation by grafting of syzygium samarangense. In the method, rose apple seedlings are used as grafting stocks, and used for inarching good syzygium samarangense stock plant branches which are not separated from stock plants, and rapid propagation of the seedlings of the syzygium samarangense is achieved through the steps of cultivating of rose apple stocks, and selecting, preparation, inarching and follow-up managing of the stock plants of the syzygium samarangense. The method does not need pre-cultivation of cutting seedlings of the syzygium samarangense, inarching is conducted between one stock plant of the syzygium samarangense and a plurality of rose apple container seedlings, and in an inarching process, the inarching branches of the syzygium samarangense are not separated from the stock plants, and a plurality of ephemeral grafting seedlings of the syzygium samarangense can be obtained after inarching is finished. Compared with a traditional grafting method, the method has the advantages of being rapid, easy and convenient to achieve, achieving a high survival rate (reaching 100%) and the like, and has a prompting effect on rapid propagation of the seedlings of the syzygium samarangense and popularization of good stocks.

The invention discloses a breeding method for improving disease resistance of soft-shelled turtles, wherein the method includes the following steps: S1, building a breeding pond: arranging soil at thebottom of the breeding pond, sterilizing, applying an organic fertilizer, planting aquatic plants, injecting clear water and adjusting the pH value of the clear water; S2, putting the soft-shelled turtles and a bait material: selecting robust and young soft-shelled turtles, sterilizing, putting into the breeding pond with the female-male proportion of (3-5):1, and putting the bait material for 1-3 times daily; and S3, carrying out daily management: carrying out tour inspection of the breeding pond in the morning and evening, timely cleaning residual baits, and exchanging water timely. The breeding method for improving disease resistance of the soft-shelled turtles has the advantages of high utilization rate of resources, good self-regulation of the water body, less water exchange amount,reduction of breeding cost and green environmental protection, the soft-shelled turtles have the advantages of low incidence rate, good disease resistance, strong immunity, fast growth and development, short breeding cycle, good meat quality and high nutritional value, and the economic benefits of soft-shelled turtle breeding is increased.

The invention relates to a precise combined feeding method for regulating water quality in aquaculture, and belongs to the technical field of the aquaculture. The precise combined feeding method for regulating the water quality in the aquaculture includes steps: using high and low protein feed in mixing mode during the whole aquaculture process, regulating a carbon-nitrogen ratio in the medium period of the aquaculture, and regulating the water quality in the later period of the aquaculture. By using the precise combined feeding method for regulating the water quality in the aquaculture, the water quality can be regulated well, bacilli and lactic acid bacteria in a water body become dominant bacteria, fishes can grow well and quickly by throwing the feed in the later period of the aquaculture, a culture cycle is shortened, yields and efficiency are increased, and a feed coefficient is reduced.

The invention relates to the technical field of planting, in particular to an artemisia apiacea high-yield cultivation method. The method is characterized by comprising the steps of artemisia apiaceaseedling growing, land preparation and transplanting, field management and harvesting. Accordingly, the nutrient requirements of artemisia apiacea in the growing period can be met, various enzymes inthe artemisia apiacea are activated, and synthesis of the artemisia apiacea is promoted so as to increase the artemisia apiacea content; in addition, a good living environment is created, rapid propagation of probiotics is effectively promoted, circulation of materials in a cultivated field is prompted, pest and disease damage is effectively inhibited, the water-retaining property of the ambient environment is improved, the soil shallow microenvironment is optimized through use of organic fertilizer and the effect of microorganisms, the yield of the artemisia apiacea is increased, and the quality of the artemisia apiacea is improved.

The invention relates to a bacillus megaterium bacterial fertilizer for onsite fermentation in a farm and applications thereof. The bacterial fertilizer comprises the following raw materials: bacillus megaterium powder, colistin sulfate, natamycin, inosine, lysine, corn flour, soybean cake powder, disodium hydrogen phosphate, potassium chloride, and brown sugar. The bacillus megaterium bacterial fertilizer can be applied to onsite fermentation and propagation in a farm. The colistin sulfate and natamycin in the bacterial fertilizer can inhibit the growth of fungi (such as pathogenic fungi, yeast, etc.) and gram negative bacteria (such as colibacillus, salmonella, etc.) during the fermentation process. The spore germinator (inosine and lysine) can rapidly promote the germination of spores of bacillus megaterium and improve the germination rate of spores. The provided preparation can be applied to the onsite fermentation and propagation in a simple and crude farm. The required equipment is simple. The using amount of bacterium is little. The cost is low. The fermentation broth obtained through onsite fermentation has the advantages of high content, good activity and few contaminating microorganisms. The bacterial fertilizer can decompose phosphorus, prevent disease, promote growth, increase output, and improve product quality. The effect is stable.

The invention belongs to the field of food processing and particularly discloses a method for preparing black garlic by fermenting with mixed bacteria. According to the scheme, the method comprises the following steps: selecting raw materials, preparing the mixed bacteria, fermenting with the mixed bacteria, heating and boiling, standing for naturally fermenting, ageing, and drying to obtain the finished black garlic product, wherein the mixed bacteria are prepared from lactobacillus and saccharomycetes in a weight ratio of 2 to 1. The method has the advantages of short fermentation period, high production efficiency and low cost; the black color of the appearance of the black garlic is deepened, the color and luster of the black garlic are uniform and the black garlic is bright and glossy and has good mouth feel; nutritional ingredients are obviously improved, the total content of amino acids is more than 9% and the content of total sugar is more than 58%; and therefore, the black garlic has good market prospect and competitiveness.

A method for raising seedlings of Hongsen pagoda trees by hard branch cutting includes the steps of step 1, collecting and shearing of cutting slips, step 2, land consolidation, step 3, collecting or digging of scions, step 4, cutting slip treatment and cutting, step 5, watering and laminating, step 6, post-cutting management, and step 7, nursery stock management. The method for raising the seedlings of the Hongsen pagoda trees by hard branch cutting has the advantages that the defect of incapability of achieving rapid propagation of the Hongsen pagoda trees in the prior art is overcome; the technical problem about survival of the seedlings, raised by hard branch cutting, of the Hongsen pagoda trees is solved, and good maternal characteristics are kept while rapid propagation of the Hongsen pagoda trees is promoted.

The invention relates to microbial degradation padding which contains, in parts by weight, 30%-35% of saw dust, 20%-25% of rice husk, 1%-5% of acer trunctum bunge leaf powder, 1%-5% of mulberry leaf powder, 1%-5% of artemisia apiacea powder, 1%-5% of a microbial strain, 10%-15% of a physical adsorbent, and 1%-5% of molasses. A physical adsorbent is added, so that a great number of beneficial compound bacterium groups can be adsorbed in the physical adsorbent and rapid propagation of the beneficial compound bacterium groups is promoted. Thus, various kinds of pathogenic microorganisms can be inhibited and killed and favorable culture environment is provided for growth and development of livestock and poultry.

The invention discloses a complex microbial inoculant for inhibiting blue-green algae and a preparation method and application of the complex microbial inoculant. The complex microbial inoculant for inhibiting blue-green algae is prepared from the following raw materials in parts by mass: 40-55 parts of compound bacillus, 10-25 parts of blue-green algae inhibiting bio-enzyme, 25-30 parts of photosynthetic bacteria and 10-25 parts of probiotics flora. The preparation method of the complex microbial inoculant for blue-green algae inhibition comprises the following steps: respectively carrying out fermentation culture on compound bacillus, photosynthetic bacteria and probiotics to obtain respective bacterial solutions, and uniformly mixing the bacterial solutions with blue-green algae inhibition bio-enzyme in parts by mass to obtain the complex microbial inoculant for blue-green algae inhibition. The complex microbial inoculant can inhibit the growth of blue-green algae, the probiotic flora can synchronously solve the problem of water quality pollution caused by blue-green algae death or decomposition, the preparation process is simple and easy to implement, the cost is low, secondarypollution is avoided, and the complex microbial inoculant has good application prospects and market prospects.

The invention discloses a constructed-wetland purifying system for alkali wastewater of an antimony ore tailing pond, belongs to wastewater treatment systems, and aims at providing a wastewater treatment system easy to maintain and manage, low in running cost and capable of continuously and effectively repairing a water body. The constructed-wetland purifying system comprises a multi-stage microorganism wetland reduction pond communicated with a multi-stage settling pond. The multi-stage settling pond is formed by at least two settling pond bodies (4) communicated in sequence. The multi-stage microorganism wetland reduction pond is formed by at least three microorganism wetland reduction pond bodies (1) communicated in sequence. A plurality of cutoff walls (3) alternately arranged at intervals are arranged in each microorganism wetland reduction pond body (1). A first straw layer (9), an organic fertilizer layer (8), a second straw layer (7) and a soil layer (6) are sequentially laid at the bottom of each microorganism wetland reduction pond body (1). The constructed-wetland purifying system is simple in structure, free of mechanical power devices, basically free of daily maintenance and management and good in water quality purification effect; the purifying system is used for treating the alkali wastewater of the antimony ore tailing pond.

The invention provides a preparation method of a pig feed. The preparation method comprises the following steps: by taking crop straws as a raw material, crushing the raw materials; adjusting the moisture content to 40-50%; treating the raw material at 100-150Mpa for 10-25 minutes; then, adding a fermentation agent into the raw material in a proportion that the weight ratio of the raw material and the fermentation agent is (50-100): 1 and uniformly mixing the raw material with the fermentation agent; fermenting the mixture at 40-45 DEG C for 1-2 hours; and then drying the mixture till the moisture content is lower than 10% to obtain the pig feed. The fermentation agent is mixed bacteria of photosynthetic bacteria, bacillus, lactobacillus and saccharomycetes in a weight ratio of (0.5-1): (1-1.5): (1-2): (1.5-2). The preparation method takes short time, and the feed is hardly polluted by infectious microbes to be deteriorated.

The invention discloses a mineral leaching device for membrane bioreactor combined ion exchange. The mineral leaching device comprises a control cabinet, reaction tanks, membranes, an ion exchange column, heating pipes, aeration pipes, a metal ion collector, an eluent control valve, reaction tank slag discharge valves, a nutrient solution storage bottle, a regeneration solution storage bottle and a regeneration control valve. The two sides of the control cabinet are provided with the two reaction tanks respectively; and the membranes, the heating pipes and the aeration pipes are arranged in the reaction tanks. The bottoms of the reaction tanks are provided with the reaction tank slag discharge valves, the bottom of the regeneration solution storage bottle is provided with the regeneration control valve, and a pipeline connected with the ion exchange column and the metal ion collector is provided with the eluent control valve. The mineral leaching device is simple in structure, the influence on mineral leaching caused by factors such as temperature, aeration quantity and leaching chemical environment of the reaction tanks is considered, and the mineral leaching device is novel and reasonable in design, high in working efficiency and very suitable for bio-leaching of mesophilic bacteria and thermophile bacteria.

The invention provides a pseudomonas brassicacearum Y1, a culture method and application thereof, and a soil conditioner. The invention discloses pseudomonas brassicacearum Y1 for the first time, and the preservation number is CGMCC (China General Microbiological Culture Collection Center) No.20127. The pseudomonas brassicacearum Y1 has relatively strong capabilities of dissolving phosphorus, dissolving silicon, dissolving potassium, fixing nitrogen, producing IAA and resisting salt and alkali, can also produce siderophore ACC deaminase, and has oxidase and catalase activity and weak nitrate reductase activity; and the Y1 has a certain antagonistic effect on some phytopathogens. The pseudomonas brassicacearum Y1 is compounded with trichoderma and other components to obtain the soil conditioner, and the soil conditioner can promote the increase of nutrient elements such as available phosphorus, silicon and potassium in soil and promote balanced absorption of nutrients of crops. Tests show that the soil conditioner has an obvious improvement effect on desert soil in China.

The invention discloses a method for producing L-lactic acid by using vinasse, and belongs to the field of preparation of L-lactic acid by deep processing and fermentation of agricultural and sideline products. The method for producing the L-lactic acid by using the vinasse comprises the following steps that the vinasse is infiltrated; superfine grinding is carried out; a mixed enzyme solution is prepared; polyethylene glycol is added; enzymolysis is carried out on the vinasse; a diluted sugar solution is concentrated; the L-lactic acid is fermented and the like. The invention provides a more efficient method for performing enzymolysis utilization on the vinasse. By adopting superfine grinding of the vinasse, introduction of pretreatment chemical substances can be reduced on the premise of ensuring relatively high yield of the reducing sugar subjected to enzymolysis, so that the process cost is reduced; the adopted mixed bacterium enzyme liquid has relatively high stability, and the matched use has a remarkable mutual assistance effect on enzymolysis; and by adopting the method, 0.56-0.58 g of reducing sugar and 0.48-0.49 g of L-lactic acid can be produced from each g of the dry waste vinasse. The process is good in stability and relatively low in cost, and can effectively solve the problems of low efficiency of enzymolysis of the vinasse and relatively high cost of reutilization of the vinasse in the prior art.

The invention discloses an ecotype pig and silkworm mixed breeding system. The system comprises a silkworm house, two pig houses arranged at the two sides of the silkworm house respectively, a mulberry field arranged on the flat ground below the silkworm house, an organic fertilizer collecting assembly, an organic feed blending groove and a conveying assembly; the organic fertilizer collecting assembly comprises two first pig manure collecting grooves and two second pig manure collecting grooves which are formed in the two sides of the mulberry field respectively, and the bottom of one first pig manure collecting groove is connected with the side wall of the second pig manure collecting groove located at the same side of the mulberry field through a guide channel; the organic feed blendinggroove is formed between the mulberry field of the silkworm house; the conveying assembly comprises a first conveyor belt and a second conveyor belt which are arranged in the mode of extending to theorganic feed blending groove from the mulberry field and the silkworm house. According to the ecotype pig and silkworm mixed breeding system, by utilizing the natural terrain of sloping fields, the pig houses, the silkworm house and the mulberry field are reasonably arranged, mutual reasonable utilization of pig manure, mulberry leaves and silkworm sand is achieved, and the purpose of producing excellent live pigs, mulberry leaves and silkworm cocoons simultaneously is achieved.

The invention discloses a top grafting and head changing method for compound leaf maple summer green branches. The method includes the steps that in June and July, the portion, with the height of 2-2.5 m, of a compound leaf maple with the trunk diameter at the breast height of 3-10 cm is cut to form a stock, and annual shooting branches which are located on the periphery of a crown of a gold leaf compound leaf maple, are moderate in growth vigor and develop fully are cut to serve as scions, wherein the branches are 0.8-1.0 cm thick, and leaves on the branches are removed immediately while petioles are left; each scion has five to six pairs of buds and is 15 cm long, and the upper portions of the scions are wrapped by plastic films which are 0.04 mm thick and 4-5 cm wide; the lower end of each scion is cut into a wedge which is 1.5-2 cm long, the cut faces are smooth, the scions are grafted to the stock by adopting a bark grafting method in scion grafting, then the grafted scions are bundled through plastic strips. The method is simple, scientific and reasonable, production and implementation are easy, the scion fixing effect is good, the survival rate is large and can be over 95%, and the method is safe, reliable and beneficial for rapid propagation and crown forming performance of the compound leaf maples, and increases the production value.