171results about How to "Guaranteed nutrient supply" patented technology

The invention belongs to the technical field of bio-organic fertilizer production, and provides slowly-releasing water conservation biological organic and inorganic compound fertilizer particles and a production method thereof. The fertilizer has the advantages of reasonable structure, unique processing technique, scientific formulation, high fertilizer effect, improved soil physical condition, convenience application, and wide application scope; high-grade bio-organic fertilizer meeting the requirements of organic agricultural vegetable, fruits or food production, or fertilizer having special functions of drought resisting, saline and alkaline resisting and continuous cropping resisting and capable of specially meeting fertilizer requirement rules of various crops can be further designed and developed. The fertilizer effect playing way in the invention is unique, and component parts such as probiotics, inorganic nutrients, regulatory factors, organic matter and the like can be respectively played in time and space. Through the design to fertilizer particle structure and formula, the advantages of organic matter, high concentration of inorganic fertilizer, slowly-releasing efficiency and the special effects of beneficial microorganisms are integrated and slowly-releasing water conservation biological organic and inorganic compound fertilizer particles can be the first choice in replacing organic and inorganic compound fertilizers, compound fertilizers and inorganic slow release fertilizers.

The invention relates to an integrated fertilization method under the condition of NPKS of double-cropping crops of wheat and corn, comprising the NPKS of wheat to sow corn and the NPKS of corn to sow wheat. In the invention, under the conditions of NPKS of medium and high yield level of wheat and corn which can be harvested twice a year, the fertilization amount per mu is as follows: 25-32kg of N, 13-18kg of P2O5 and 13-18kg of K2O, the higher of the yield of the two crops, the greater of the application proportion of the nitrogen fertilizer therein on the wheat, while the allocation proportion of phosphorus and potassium is slightly different. The integrated fertilization method under the condition of NPKS can not only give consideration to complete and strong seedlings and high and stable yield of the two-cropping rotation crops of wheat and corn, but can also give full play to the positive influence of NPKS to increase soil organic matter and improve soil fertility, eliminating the negative influence, and can further reduce waste and environmental pollution caused by unreasonable input and allocation of chemical fertilizer.

The invention relates to an organic fertilizer and its productive technique, which belong organic fertilizer and its productive technical field. Its characteristics is: the content of N+P2O5=K2Oí¦6%,that of organic substanceí¦30%; nitrogen; beneficial microbe bacterium power whose nitrogen contentí¦46%, 2 3 whose P2O5 contentí¦14%, 4 : 5 whose K2O contentí¦50%; Its productive technique is: mix and sir -make particle- dry- cool-package multi-functional biological organic-inorganic compound fertilizerinorganic nutrition, organic substanceeffective germs í¦20,000,000,000 / portion, organic substance content í¦25%.

The invention relates to the technical field of soil conditioner, in particular to garden waste biomass charcoal-based soil conditioner and a preparation method thereof. The preparation method includes steps that cracking garden waste under a high temperature to obtain garden waste biomass charcoal and combustible gas; mixing raw material of the soil conditioner with 16-20% of garden waste biomass charcoal according to the total raw material weight of the soil conditioner, melting, granulating and gathering granules; cooling the gathered granules under negative pressure, and sieving; enveloping the sieved granules, packaging and delivering to obtain the garden waste biomass charcoal-based soil conditioner. The garden waste biomass charcoal-based soil conditioner is rich in nutrient substance, coordinating and durable in nutrient element release, high in fertilizer nutrient use efficiency, capable of effectively improving and fertilizing the soil, improving the fertilizer utilization rate, increasing the organic substance content of the soil, improving the moisture and fertility preserving ability of the soil and accelerating the crop growth, and also capable of obviously improving the crop output and improving the crop quality.

The invention discloses a constructing method of stem cell breeding and differentiation microenvironment in vitro in the stem cell tissue engineering domain, which comprises the following steps: adopting sodium alginate and polylysine as material to prepare APA microencapsulation ES cell; adding microencapsulation ES cell in the ES growing culture medium; stewing at 37 Deg C in the culture box with 5% CO2; changing culture medium every 2-3d to obtain the product. The invention simplifies the operation to generate high-density and large scale augmentation, which can inhibit or delay the oriental differentiation for ES cell.

The invention relates to the technical field of compound fertilizers, in particular to a straw biomass charcoal based compound fertilizer and a preparation method thereof. The preparation method includes the steps: splitting straws at high temperature to obtain straw biomass charcoal and combustible gas; mixing, melting and pelletizing raw materials of the compound fertilizer and the straw biomass charcoal accounting for 8-12% of the weight of the gross raw materials of the compound fertilizer, and collecting pellets; cooling the collected pellets by negative pressure and screening the pellets; coating, packaging and delivering the screened pellets to obtain the straw biomass charcoal based compound fertilizer. The straw biomass charcoal based compound fertilizer has rich nutrient substances, nutrient elements are coordinately and persistently released, fertilizer nutrient utilization efficiency is high, soil can be effectively improved and fertilized, fertilizer utilization rate is increased, the content of soil organic matters is increased, soil bulk density is reduced, the moisture and fertilizer retention capacity of the soil is improved, crop growth is promoted, crop yield can be remarkably improved, crop quality is improved, and the fertilizer has obvious economic benefits.

The invention relates to the technical filed of soil conditioners, in particular to a traditional Chinese medicine residue biomass charcoal soil conditioner and a preparation method thereof. The preparation method comprises the following steps: pyrolyzing the traditional Chinese medicine residue at a high temperature to obtain traditional Chinese medicine residue biomass charcoal and a combustible gas; mixing the raw materials of the soil conditioner with the traditional Chinese medicine residue biomass charcoal of which the weight is 16-20% that of the gross raw materials of the soil conditioner, fusing, pelleting, collecting the granular material; cooling the collected granular material at negative pressure and screening; performing capsulation, packaging for delivery to obtain the traditional Chinese medicine residue biomass charcoal soil conditioner. The traditional Chinese medicine residue biomass charcoal soil conditioner provided by the invention is rich in nutrient substances, the release of nutrient elements is coordinated and lasting, the nutrition use efficiency of the soil conditioner is high, the soil can be effectively improved and fertilized, the fertilizer utilization rate is improved, the organic content of the soil is increased, the soil bulk density is reduced, the water and nutrient retention ability of the soil is improved, the crop growth is promoted, the crop yield is obviously improved, the crop quality is improved and obvious economic benefits are achieved.

The invention relates to the technical field of a composite fertilizer, in particular to a bamboo biomass charcoal based composite fertilizer and a preparation method thereof. The preparation method comprises the following steps of carrying high temperature pyrolyzing to bamboos to obtain bamboo-based biomass charcoal and combustible gas; melting, pelletizing and collecting particles after a raw material of the composite fertilizer and 8-12% of biomass charcoal based on the total weight of the raw materials of the composite fertilizer are mixed; cooling the collected particles with negative pressure, and screening; enveloping the screened particles, and packaging to ship, so as to obtain the bamboo biomass charcoal based composite fertilizer. The bamboo biomass charcoal based composite fertilizer provided by the invention is abundant in nutrient, the nutrient elements can be released and coordinated for a long time, the use ratio of the fertilizer nutrients is high, the soil can be effectively improved and fertilized, the use ratio of the fertilizer can be improved, the organic content of the soil can be improved, the soil bulk density can be reduced, the capacity of preserving moisture and fertility of the soil can be improved, the growth of the crops can be promoted, the yield of crops can be significantly improved, the crop quality can be improved, and the significant economic benefit can be realized.

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

The invention relates to the technical field of calcium magnesium phosphate fertilizer, in particular to garden waste biomass charcoal-based calcium magnesium phosphate fertilizer and a preparation method thereof. The preparation method includes steps that cracking garden waste under a high temperature to obtain garden waste biomass charcoal and combustible gas; mixing raw material of the calcium magnesium phosphate fertilizer with 20-24% of garden waste biomass charcoal according to the total raw material weight of the calcium magnesium phosphate fertilizer, melting, granulating and gathering granules; cooling the gathered granules under negative pressure, and sieving; enveloping the sieved granules, packaging and delivering to obtain the garden waste biomass charcoal-based calcium magnesium phosphate fertilizer. The garden waste biomass charcoal-based calcium magnesium phosphate fertilizer is rich in nutrient substance, coordinating and durable in nutrient element release, high in fertilizer nutrient use efficiency, capable of effectively improving and fertilizing the soil, improving the fertilizer utilization rate, increasing the organic substance content of the soil, lowering the volume weight of the soil, improving the moisture and fertility preserving ability of the soil and accelerating the crop growth, and also capable of obviously improving the crop output and improving the crop quality.

The invention provides a bionic biomineralized artificial bone repair material as well as a preparation method and an application thereof. The material consists of a cross-linked collagen matrix and biomineralized collagen / hydroxyapatite composite powder dispersed in the matrix, wherein the mass ratio of the collagen matrix to the biomineralized collagen / hydroxyapatite composite powder is (9-1) to(1-9). The bionic biomineralized artificial bone repair material provided by the invention is a collage-based bionic biomineralized artificial bone, which can meet a demand of artificial bone and tissue suturing in a clinical GTR or GBR operation; the artificial bone repair material consists of hydroxyapatite and pure collagen, and the two ingredients are major ingredients of human natural tissues, so that the artificial bone repair material is free from toxicity; and influence to a material structure and an osteogenesis effect is avoided, and good biocompatibility is guaranteed. Due to the existence of the cross-linked collagen matrix, problems of a material which can get dispersed easily, and is too high in degradation speed, poor in mechanical performance and the like can be solved; and the bionic construction of nano-hydroxyapatite and collagen is achieved.

The invention relates to the technical field of compound fertilizers, in particular to a traditional Chinese medicine residue biomass charcoal compound fertilizer and a preparation method thereof. The preparation method comprises the following steps: pyrolyzing the traditional Chinese medicine residue at high temperature to obtain traditional Chinese medicine residue biomass charcoal and a combustible gas; mixing the raw material of the compound fertilizer and the traditional Chinese medicine residue biomass charcoal of which the weight is 8-12% that of the gross raw materials of the compound fertilizer, fusing, pelleting, collecting the granular material; cooling the collected granular material at negative pressure and screening; performing capsulation, packaging for delivery to obtain the traditional Chinese medicine residue biomass charcoal compound fertilizer. The Traditional Chinese medicine residue biomass charcoal compound fertilizer provided by the invention is rich in nutrient substances, the release of nutrient elements is coordinated and lasting, the nutrition use efficiency of the compound fertilizer is high, the soil can be effectively improved and fertilized, the utilization rate of the fertilizer is improved, the organic content of the soil is increased, the soil bulk density is reduced, the water and nutrient retention ability of the soil is improved, the crop growth is promoted, the crop yield is obviously improved, the crop quality is improved and obvious economic benefits are achieved.

The invention relates to a hybrid round eggplant seed production method and belongs to the technical field of vegetable seed breeding. The method comprises the steps of sowing, planting, pruning, pollinating and harvesting and is characterized in that: during the pruning, four-branch pruning is performed; door eggplants and opposite eggplants are removed; and pollination and fruits reservation are performed after buds of bucket-shaped eggplants are matured. The method has the advantages of simpleness, easy fruit setting, unified nodal region, nutrition insurance, uniform fruits, low seed production cost, high plant stress resistance, low fruit morbidity, many seeds in a single plant, high seed production yield and the like.

The invention relates to the technical field of crop cultivation, in particular to a technique of high-yield cultivation of rapes in a mountainous region, i.e. a high-yield planting method suitable for flue-cured interplanting of rapes in the mountainous region. The method comprises the following steps of: A, weeding prior to sowing; B, rapeseed sowing; C, spreading of fertilizer; D, weeding after sowing; E, field management; F, spreading of seedling fertilizer; G, cultivation of short and strong seedlings and prevention of lodging; H, prevention of aphids and powdery mildew; and I, growth and harvesting. The climate characteristics of much rainfall in the late summer and early autumn and rich resources of waste heat and the characteristics of large flue-cured planting area in the mountainous region can be utilized effectively. By adopting the cultivation method, compared with the yield of direct seeding, the total interplanting yield can be increased by 21.6-64.4 percent. The development space for rape growth can be expanded in the case of increasing scarcity of field resources. The method can be implemented easily, tillage-free interplanting, sowing under conditions with rainwater, spreading of fertilizer in holes and other methods are adopted, the production cost can be decreased greatly, the method can be promoted and applied in vast mountainous areas of Yunnan, the yield and efficiency of rape planting can be improved, and the income of farmers can be increased.

The invention relates to a planting method for lilies and belongs to the technical field of traditional Chinese medicinal materials. The planting method for the lilies comprises the following steps that firstly, soil preparation and base fertilizer application are conducted; secondly, field planting is conducted; thirdly, field management is conducted, wherein the field management includes the management of water, fertilizer, temperature and illumination intensity in the growing period, pruning of branches and preventing and treating of pest and disease damage. According to the planting method for the lilies, due to the reasonable field management modes which include controlling over temperature, illumination, humidity and nutrient elements such as the nitrogen phosphorus and potassium content, of the lilies in the growing period, the nutrient supply of vegetation growth in an earlier stage is ensured, the reproductive growth of plants in the later stage is promoted, the growth period of the lilies is shortened, the overall output value earnings of the lilies are improved, and the bulbs which are harvested finally are white, tender, meaty and fleshy.

The invention discloses a cartilage-bone-marrow composite tissue structure based on 3D living cell printing and a method of the cartilage-bone-marrow composite tissue structure. Biological informationof bone tissue is collected and input into a computer for biomimetic modeling, and bio-ink suitable for cells such as cartilage, osteogenesis, mesenchymal stem, vascular endothelium, etc., is prepared; hard materials for printing dense bone area are prepared; various casting agent is prepared; living cells are inoculated into corresponding bio-ink at a certain density; and various types of printing ink are loaded into a printer bin correspondingly, 3D printing is carried out after setting printing parameters, and printed bone tissue is cultured in a tissue engineering bionic incubator. Aftera certain time, the method of temperature control or enzyme control or light control is used to remove casting agent materials at different times, artificial blood vessels are grafted on the outside of the cartilage-bone-marrow composite tissue, and continuous circulation perfusion cultivation is carried out in the tissue engineering biomimetic incubator, so as to achieve the pre-maturation of printed tissue, and the long-term survival and biological function of 3D printing bone tissue can be realized.

The invention discloses a method for preparing and using a miscanthus matrix for culturing agaricus bisporus. The matrix takes miscanthus as a main raw material. The method for preparing and using the miscanthus matrix comprises the following steps: grinding miscanthus, scattering urea, subsequently pre-humidifying, adding fresh chicken manure and dry cow dung, adding water, subsequently adding calcium superphosphate, gypsum and lime, piling for fermentation, performing pasteurization, fermenting again so as to obtain the matrix, and further seeding and earthing up. The method is simple in process, the nutrition proportioning is reasonable, the raw materials are easy to obtain, miscanthus is adopted to take the place of straw completely, great benefits and high economic values are achieved, the used raw materials are low in cost, that is, the cost of each square meter of the matrix is 10.5-11.5 yuan, the agaricus bisporus yield is high, and the mushroom fruiting amount is 16.0-17.5kg per square meter.

The invention relates to a marine polysaccharide inorganic and organic composite controlled release fertilizer and a process for producing the same, belonging to the technical filed of fertilizer for corps. The marine polysaccharide inorganic and organic composite controlled release fertilizer comprises the following raw materials: 0.5-10wt% marine polysaccharide, 8-15wt% urea, 10-14wt% calcium superphosphate, 6-15wt% complex potassium salt and 30-65wt% seaweed meal, nitrogen-enriched bacterium and bacillus mucilaginosus are used as effective microbes, and others are common household organic fertilizers. The process comprises the following steps: (1) weighing the raw materials in certain mass percent; (2) homogenizing the raw materials for 10-20min; (3) granulating by disc atomizing; (4) drying the particles obtained by the step (3); (5) cooling the dried particles by normal temperature air cooling; (6) grading the cooled particles by a rotary screen; (7) coating the product surface with mixed water solution spray of marine polysaccharides and seaweed meals; and (8) measuring and packaging. The process has the advantage of scientific and reasonable process technique, and the produced fertilizer has the advantages of quick-acting, long-acting, synergy, water holding and controlled release. Various effects which can effect long time are achieved by fertilizing one time, so that the labor intensity of farmers is lightened, and the effectiveness and economy of fertilizing is improved.

The invention relates to a method for one-time fertilizer application for rice. The method comprises two fertilizer application modes. According to the first fertilizer application mode, one deep V-shaped ditch and one shallow V-shaped ditch are formed between two adjacent rows of rice, a slow / control release fertilizer is applied in the deep ditch, and a quick-acting fertilizer is applied in the shallow ditch; and the fertilizer application ratio of the slow / control release fertilizer to the quick-acting fertilizer is (3-5):1 by nitrogen amount. According to the second fertilizer application mode, a bevel ditch is opened between the two rows of adjacent rice, and then the slow / control release fertilizer and the quick-acting fertilizer with a weight ratio of (3-5):1 by nitrogen amount are applied in the bevel ditch, and the controlled-release time of the slow / control release fertilizer is 40 d, 60 d and 90 d. Shallow application of the quick-acting fertilizer and deep application of the controlled release compound fertilizer are combined, nutritional requirements in whole growth period of rice are met, one-time fertilizer application is performed, and topdressing is not needed; and one-time fertilizer application is implemented through deep ditch and shallow ditch combination and the bevel fertilizer application method. According to mechanical transplanting and mechanical direct seeding seedling growth features, the shallow layer fertilizer ensures nutrient supply at an earlier growing stage, and the deep layer fertilizer ensures nutrient supply at a medium and later growing stage.

The invention opened a high density filling culture method of the animal cells. It study the metabolic rule of the cell growth, the nutrient consumption and the metabolic byproduct accumulation by studying theirs dynamics to determine and control the optimal nutritive condition. It feed the nutrient quality of cell growth by the stoichiometric relationship and the filling culture. The process can control the nutrient in a proper low concentration, so we can get the high density of the cells and the product concentration.

The invention discloses a microorganism seaweed liquid fertilizer for promoting the growth of toadstool and application of the microorganism seaweed liquid fertilizer. An enzymatic hydrolysate is obtained after low temperature physical treatment, high temperature sterilization treatment and enzymolysis treatment are performed on fresh seaweed in sequence; the obtained enzymatic hydrolysate is loaded into a fermentation tank, a compound microbial agent is added in terms of 3% to 5% of the weight of the enzymatic hydrolysate, a fermentation liquor is obtained through fermentation, a filter liquor which is the microorganism seaweed liquid fertilizer is taken after filtration, and the microorganism seaweed liquid fertilizer is sufficiently and uniformly mixed with potassium humate, compound amino acids, EDTA and chitosan, so as to prepare the liquid fertilizer. The application method of the microorganism seaweed liquid fertilizer comprises the following steps: soil is overturned twice in the period of 20 days before sowing, the microorganism seaweed liquid fertilizer is applied to the soil in terms of 4 kg per mu, and spraying is supplemented after first picking of toadstool, so that sufficient early nutrient supply for toadstool is guaranteed, the beneficial viable bacteria in the soil are activated, the soil fertility is improved simultaneously, and the method is significant forimproving the yield and quality of toadstool and promoting the income increase of farmers.

The invention discloses a method for cultivating aerobic particle sludge by utilizing guanite, belonging to the technical field of water treatment equipment. The method is characterized in that the pH in the sequencing batch reactor (SBR) is controlled to 8.5 through adding 1g / L guanite at regular intervals to gradually improve inflow chemical oxygen demand (COD), ammonia nitrogen and phosphorus load so as to cultivate the aerobic particle sludge. The method has the effects that a good living environment is provided for organisms by using the guanite, and relative high-concentration free NH<4+> on the surface of the guanite can inhibit nitrifying bacteria; and under the condition that the pH is controlled to 8.5, as a carrier, the guanite has the characteristics of providing adhesion scenes for the organisms, compressing sludge double electrode layers and providing rich nutrition sources for the organisms inside the particles, and has the advantages as compared with inert carriers such as plastics, sponges and the like, thus the particle cultivation period is shortened, the nutrition inside the particles is fully supplied, the particles are not easy to generate disintegration and apotosis, and the market application prospects are wide.

The invention discloses a method for remedying cadmium-contaminated soil through turfgrass and microorganism combination, and relates to a heavy metal-contaminated soil treatment technology. The method comprises the following steps: (1) screening cadmium-resistant bermuda grasses so as to obtain the bermuda grasses with strong cadmium resistance; (2) collecting rhizosphere soil of the bermuda grasses in a contaminated area; (3) screening cadmium-resistant microorganisms so as to obtain the microorganisms with the strongest cadmium resistance, which are fungi-aspergillus aculeatus; (4) preparing microorganism remedying matrixes; and (5) carrying out turfgrass and microorganism combined remediation. The method has the advantages that the dominant plants, namely the bermuda grasses in the cadmium-contaminated area are used as cadmium-resistant plant screening sources and have strong adaptability to the soil environments in the contaminated area; the cadmium-resistant fungi-aspergillus aculeatus is derived from the rhizosphere soil of the bermuda grasses in the cadmium-contaminated area, is well compatible with the cadmium-resistant bermuda grasses and has strong adaptability to the soil environments in the contaminated area; the microorganism remedying matrixes can be used for ensuring the nutrient supply of microorganism growth, enhancing the operability of applying the microorganisms in soil and improving soil environments, and the waste is effectively utilized; the method is low in cost and simple and convenient to operate.

The invention discloses a honeysuckle cultivating and harvesting method. The method includes land preparation, transplanting, fertilizing, trimming and harvesting. Land preparation refers to making ridges at one-meter intervals in a land; transplanting refers to performing transplanting according to the principle of one-row-four-plant and one-ridge-multiple-row and cultivating a honeysuckle planting area after trimming; fertilizing is performed before young-shoot sprouting and squaring and after deflowering in spring after honeysuckle is transplanted for three years and enters a flower yielding period; trimming is performed by taking a row as a unit to realize integral shaping, and trimming is performed again among the plants in a row to guarantee air ventilation and light transmitting and guarantee each ridge to form a honeysuckle fence area; harvesting is performed along the honeysuckle fence areas by using a tea plunker to drag machinery, and fresh honeysuckle leaves, honeysuckle stems and honeysuckle mixtures are harvested and then sorted. By the honeysuckle cultivating and harvesting method, yield of dry honeysuckle per mu can reach more than 500kg, which is an increase of about 66.7% when compared with that of conventional methods, and content of chlorogenic acid in honeysuckle can be maintained to reach more than 3.6%, so that commodity utilization value of the honeysuckle is increased. Mechanical harvesting is realized through the tea plunker, so that harvesting efficiency of the honeysuckle is improved.

The invention relates to a gastrointestinal nutrition drainage tube, which comprises a hollow tube body. The gastrointestinal nutrition drainage tube is characterized in that a seal provided with at least two lateral holes is fixed at one end of the tube body, a Y-shaped joint is fixed at the other end of the tube body and comprises a nutrition cavity and an injection cavity communicated with the same. The seal disposed at one end of the tube body effectively prevents foreign matters from entering a cavity of the tube body, so that blockage of the cavity of the tube body is avoided. The nutrition cavity and the injection cavity are respectively used for nutrition supply and drug administration for a patient. The seal is disposed on end of the tube body, and the nutrient cavity and the injection cavity are reserved at the other end of the tube body, so that liquid medicine or nutrient solution is guaranteed to smoothly enter a patient's body from the lateral holes while the foreign matters are also effectively prevented from entering the cavity of the tube body to block the cavity. The gastrointestinal nutrition drainage tube has the advantages that the structure is simple, operation is simple and convenient, practicality is high and surgical wounds are small, surgical time and postoperative relief period can be reduced, and surgical complications are reduced.

The invention discloses a method for accelerating flowering of golden camellia. The method comprises the processes of seedling cultivation, shaping and pruning, water and fertilizer management, plant growth regulator treatment and related management. The method comprises the following steps: executing the plant growth regulator treatment to 3-4 a of cultivated pot culture seedling golden camellia with vigorous growth and 2 a of cuttage or grafting pot culture golden camellia, applying 100-350 mg / L of paclobutrazol water solution to the root of the pot culture golden camellia for 2-3 times in late March, keeping the suitable illumination in a seedling greenhouse and executing the normal water and fertilizer management, and enabling the golden camellia to grow flower buds and flower normally in the current year. Compared with the common cultivated seedling golden camellia with the same seedling age and without any accelerating flowering measures, the flowering period of the seedling golden camellia is improved by 3-5 a; and compared with the common cultivated cuttage or grafting golden camellia with the same seedling age and without any accelerating flowering measures, the flowering period of the cuttage or grafting golden camellia is improved by 0.5-1 a. The cultivation period is shortened, the cultivation cost is reduced, and the method has the better economic benefit and social benefit.

The invention belongs to the technical field of urea, and more specifically relates to a Chinese medicine residue biomass charcoal-based urea, and a preparation method thereof. The preparation method comprises following steps: Chinese medicine residue is subjected to high temperature pyrolyzing so as to obtain Chinese medicine residue biomass charcoal and combustible gas; an urea raw material is mixed with the Chinese medicine residue biomass charcoal, and an obtained mixture is subjected to fusion and pelleting, and an obtained pellet material is collected, wherein the amount of the Chinese medicine residue biomass charcoal accounts for 12 to 16% of the total weight amount of the urea raw material; the pellet material is subjected to negative pressure cooling and screening; the screened pellet material is subjected to membrane coating, packaging, and discharging so as to obtain the Chinese medicine residue biomass charcoal-based urea. The Chinese medicine residue biomass charcoal-based urea is abundant in nutrients; nutritional element release is coordinated, and lasts long; fertilizer nutrient utilization rate is high; the Chinese medicine residue biomass charcoal-based urea is capable of improving and fertilizing soil effectively; fertilizer utilization rate is increased; soil organic content is reduced; soil bulk density is reduced; soil water and nutrient retention capacity is improved; crop growth is promoted; crop yield is increased obviously; crop quality is improved; and economic benefits are excellent.

The invention discloses microbial slow-release compound fertilizer. The microbial slow-release compound fertilizer is prepared from the following raw materials in parts by weight: 6-15 parts of rich hull biomass charcoal, 15-26 parts of fermented organic fertilizer, 3-8 parts of potassium fulvic acid, 4-9 parts of monoammonium phosphate, 18-25 parts of urea, 6-11 parts of lignin, 9-20 parts of montmorillonite, 1-5 parts of bacterium-containing concentrated liquid, 8-12 parts of polyvinyl alcohol, 14-18 parts of corn starch, 1-3 parts of oxalic acid, and 0.2-0.5 part of silicon dioxide. The invention further provides a preparation method of the microbial slow-release compound fertilizer. According to the microbial slow-release compound fertilizer, multiple controllable release of the fertilizer efficiency can be achieved, microbial species are large in number and high in survival rate, after the microbial slow-release compound fertilizer is applied, the probiotic environment can be quickly formed in soil, the fertilizer maintenance and water retention abilities of the soil are improved, and the disease resisting ability of crops can further be improved.

The invention relates to a simple and labor saving fertilization method for summer maize under a wheat and maize rotation mode. The method comprises the steps: harvesting wheat, then, smashing strawsto be completely returned to the field, next, sowing maize, and applying elementary substance fertilizers including a nitrogen fertilizer, a phosphorus fertilizer and a elementary fertilizer at one time during sowing maize, wherein topdressing is not needed in the whole growth period. The nitrogen fertilizer is a mixture of coated urea and ordinary urea, wherein the mass ratio of the coated urea is 60-80%, and the mass ratio of the ordinary urea is 20-40%. The fertilizers applied in the method are the elementary substance fertilizers by which the demands for nutrients in the whole growth period of maize can be met and topdressing is not needed in the whole process, so that the labor cost is reduced, the utilization ratio of the nitrogen fertilizer is greatly increased, the leaching loss ofthe nutrients along with rainwater is reduced, the nutrient supply during stem elongation and booting of maize is guaranteed, the yield of maize is greatly increased, stable production and yield increment is favorably realized, and meanwhile, the investment cost is greatly reduced.

The invention discloses a pomegranate grafting method and belongs to the technical field of grafting. The pomegranate grafting method includes preparing land, dressing pomegranate seeds by a new lipid film and sowing; fertilizing pomegranate seedlings when pomegranate roots are 3-8 cm in diameter, cutting off top shoots of the pomegranate seedlings, and wrapping cuts by plastics; cutting positions of stock with bud eyes into 'W'-shaped cuts, cutting scions into W-shape fitted to the stock cuts, and inserting the scions into the cuts; spraying nutrient solution at the cut fitting positions of the stock, and then binding and fixing by film tapes but with buds of the scions exposed; finally managing in the final period. By the pomegranate grafting method, survival rate of scion grafting can be remarkably improved.