1585results about How to "Well developed root system" patented technology

The invention has supplied biological leaf fertilizer, whose characteristics is that it includes chemical agent, biological organic matter, chelating agent, penetrant and microbe fermentation liquor and the solid raw material and mess ratio are: urea50-55%, potassium dihydrogenphosphate20-25%, potassium chloride 7-8%, boric acid0.3-0.5%, boric acid0.2-0.4%, copper sulfate0.1-0.2%, calcium nitrate0.5-1.5%, magnesium sulfate0.2-0.4%, zinc sulfate0.2-0.4%, manganese sulphate0.2-0.3%, ammonium molybdate0.05-0.1%, fulvic acid14-15%, EDTA chelating agent1-2%, AEO-20 penetrant 0.05-0.1%, mix the raw material of the above mix water 160~70deg.C in the ratio of 2:3, after 24 hours, add microbe fermentation liquor into the liquid filtered by 0.5~1mL / kg, then adjust the PH value to 5.0~6.0, finally, obtain the invention. The leaf fertilizer contains lots of macroelements and all kinds of secondary and microelements, and also contains metabolic product of microbe fermentation, beneficial microbe flora,chelating agent, penetrant and growth regulating agent, without poison, smell and side effect, it is safe and reliable, can increase the quantity and quality of agricultural products.

The invention relates to a high-yield culture technique of wheat, including land preparation, seeding, fertilizer application, watering and disease and insect control; the high-yield culture technique is characterized in that: the pattern of double sowing in one ridge with equal row distance and band seeding with broad width is adopted for sowing, and a wheat seeder with broad width is used for sowing. The high-yield culture technique has the advantages that: as the land occupying space of a single plant of wheat is enlarged, the leaves of wheat are not crowed, thus chemical weed killing effect can be greatly improved; the enlargement of the growing area of a single plant is beneficial to a robust individual and good lodging resistant effect; on the basis of fine-seeding, tillering is increased, the development of colony is reasonable, grains are not crowded, the growth state of competing for fertilizer, water and nutrition does not exist among individuals, the wheat has robust growth and strong adverse resistance, the high-yield culture technique is beneficial to large spike cultivars to form more spikes, and multi spike cultivars to form large spikes, thus facilitating larger spikes and more grains and obviously improving yield. The enlargement of the nutrition adsorption area of an individual plant is good for the development of the root system and the enhancement of vitality, and the late green functional period of wheat is prolonged, which can relatively delay the aging time of wheat and is beneficial to increasing wheat grain weight.

The invention discloses an organic fertilizer based on multiple superior organics as raw material, which is characterized by the following: modulating C / N, C / P, pH and water to accelerate the maturing course after aerating oxygen; accelerating the decomposition of organic material and the conversion of nutrition; inoculating certain proportion of specific microbe agent after one-time ferment for organic raw material to reach maturing and innocent request; proceeding the second ferment in the fermenting tower; improving the beneficial microbe quantity of organic fertilizer greatly and metabolic product; supplementing the organic fertilizer and microbe fertilizer mutually; improving the activity of traditional organic fertilizer without secondary pollution.

The invention relates to organic-inorganic biological mineral composition composite synusiologic fertilizer and the preparation method thereof. The invention comprises the raw materials as follow in weight proportion: 20 to 30 parts of organic raw material, 30 to 60 parts of inorganic fertilizer, 10 to 20 parts of mineral composition raw material, and 1 to 5 parts of synusiologic mushroom. The invention has the advantages of promoting the absorption of crops, increasing the fertilizer absorption rate from primary 34 percent to more than 60 percent, decreasing the fertilizer residue, promoting the growth of the crops, improving the quality of the crops, ensuring the early development of the crops, the rich branching roots, the rich branches, the rich leaves, and early mature, and increasing the yield by 50 to 80 percent. Besides, the invention also has the advantages of restraining the development of pathogenic bacteria inside the soil, decreasing the disease and the harm to the crops, improving the structure of the soil, activating the nutrient of the soil and achieving the synusiologic planting.

The invention provides a Dendrobium offcinale tissue cultured seedling training and domesticating method and aims at using a traditional Chinese medicine material culture and seedling raising technology to conduct three-month effective seedling training and domesticating management to Dendrobium offcinale tissue cultured seedlings in a seedling training greenhouse. Control and management are conducted mainly in six aspects, i.e. the design and the construction of the facilities of the seedling training greenhouse, the selection and the management of seedling training mediums, the management before the tissue cultured seedlings come out of bottles in the seedling training greenhouse, the treatment after the tissue cultured seedlings come out of the bottles in the seedling training greenhouse, the training and the field planting of the tissue cultured seedlings, and the management after the training and the field planting of the tissue cultured seedlings. The survival rate of the tissue cultured seedlings during seedling training is effectively improved to approximately 95 percent from the traditional 70 percent and the survival rate of the Dendrobium offcinale tissue cultured seedlings during seedling training is greatly improved. The seedlings which are trained and domesticated for three months can basically adapt to the growth environment conditions of the greenhouse, the leaves of plants obviously become thicker, the color becomes deeper, the stalks become stronger, the root systems become more robust, the survival rate of the domesticated seedlings after transplanting reaches more than 98 percent and the economic benefit and social benefit are produced very greatly.

The invention discloses a plant growing promoter and the preparing method. It comprises chitlsan oligosaccharide, compound amino acid, micro nutritious element, complexing agent, surface active agent, etc. It can promote plant growth, activate plant cell, strengthen abilities of plant antivirus and pathogenic germs, strengthen plant anti-contradictoriness, promote plant to absorb nutrient, and improve the quality and output of the crop, besides without pollution.

The invention belongs to the technical field of plant seedling culture, and discloses a seedling growing method for oil expression peony seeds. The method comprises measures of collection and processing of the oil expression peony seeds, seed storage, seedbed preparation, sowing and seedling raising, management after transplantation, and the like. Compared with the prior art, the method has the advantages that the seed processing time is short, the seed processing method is simple, the emergence of seedlings is tidy, the emergence rate is high, the seedling survival rate is high, the seedling raising cost is low, no season influence of transplantation after seedling survival exists and the like.

The invention relates to an improved American red maple twig cutting propagation method and belongs to the technical field of plant cultivation. The improved American red maple twig cutting propagation method comprises the steps that (1) a disinfected hot bed is set up on a selected breeding ground, arc frames are arranged on a seedbed, and disinfected cutting mediums are laid in the seedbed; (2) a half-lignified twig is cut from an improved American red maple maternal plant, and the twig is cut into a cutting slip with a length of 8-10 cm and with two buds and two pieces of half leaves; (3) the lower incision of the cutting slip is soaked in rooting agent, rooting powder solution, and hormone solution to facilitate rooting; (4) the cutting slip is inserted in the seedbed mediums, the depth of insertion is 2-4 cm, the density is that the space in the rows is 5cm and the space between rows is 6 cm, and the leaves face the same direction; and (5) the mediums are watered thoroughly after the cutting slip is implanted in, then a plastic thin film and a shading net are covered on the arc frames, and management after implanting begins. According to the improved American red maple twig cutting propagation method, the operation is simple without restrictions of regions and weather conditions, the speed of reproduction is fast, rate of survival is more than 95%, an improved American red maple seedling obtained is developed in root system and good in quality, and thus market prospects are broad.

The invention relates to a method for producing water-soluble fertilizers, in particular to a method for producing the water-soluble fertilizers with biochemical humic acid. The method is characterized by including matrix fermentation, concentrated liquor preparation and finished product preparation: firstly, weighing prepared concentrated liquor; secondly, adding modifiers, heating and stirring the liquor in the whole process, controlling the temperature to range from 40 DEG C to 60 DEG C, and cooling the liquor to be below 30 DEG C after reaction to obtain the fertilizers; and thirdly, packaging the fertilizers. The mass ratio of the concentrated liquor, the modifiers and inorganic auxiliary materials is (55-80): (0.1-2): (20-45). The method is simple in manufacture, easy in operation and high in actionability, solves the problem of water solubility of organic fertilizers, provides nutrition, improves soil, prevents diseases and insect pests, and integrates the effects of fertilizer supplementation, bacterium resistance and disease resistance. The fertilizers have balanced nutrition, stable state and persistent fertilizer effects, crop yield can be remarkably improved, the quality of agricultural products is improved, and soil fertility is enhanced.

The invention belongs to the field of rice cultivation, and particularly relates to a cultivation method suitable for no-tillage rice in a fixed compartment of an oil crop-medium rice field. The cultivation method comprises the following steps that: (1) rice seeds are coated by using dry-raised nurse, thick mud and dry fine soil serving as coating agents, wherein the components comprise 7.9 to 12.5 percent of dry-raised nurse, 25 to 26.3 percent of rice seeds, 12.5 to 13.2 percent of thick mud with 37 percent of water content and 50 to 52.6 percent of dry fine soil with 3 percent of water content in percentage by mass; the rice field is finished as required and the soil moisture is kept; and keeping the seedling age at 15 to 18 days; (2) the compartment width of the oil crop field is 1.2 meters, the width of the ditch is 0.3 meter, and the depth of the ditch is 0.25 meter; the rape seedlings are applied to the field; a ternary compound fertilizer of which pure nutrients comprise 15 percent of N, 15 percent of P2O5 and 15 percent of K2O is applied, and 30 kilograms of pure nitrogen is applied in each mu; 5.80 kilograms of zinc is applied in each mu; and 4.8 kilograms of boron fertilizer is applied in each mu, and the ditch is kept full of water; (3) rice seedlings with 50 to 100 grams of soil in each seedling in 15 to 18 days are directionally thrown according to a row space of 20 centimeters; and (4) the ditch is kept with water and the compartment surface has no water after throwing the seedlings till the heading stage, and dry and wet alternated cultivation is adopted from the grain filling stage to the maturation stage. Compared with the conventional method, the yield is averagely increased by 8.7 percent.

The invention discloses a biological organic compound fertilizer which comprises the following components in parts by weight: 50-75 parts of organic compound containing amino acids, 15-35 parts of humic acid compound fertilizer, 5-15 parts of bone meal, 0.05-1 part of EM animalcule bacteria and 0.05-1 part of accessory, wherein the organic material containing the amino acid is selected from dry traditional Chinese medicine residue or dry methane residue, the humic acid compound fertilizer comprises humic acidic ammonium, humic acid potassium and humic calcium phosphate, and the accessory comprises humic acid and one or a plurality of components selected from urea, ammonium bicarbonate, calcium superphosphate, ammonium phosphate and triple superphosphate. The effective viable count in the biological organic compound fertilizer is larger than or equal to 200 million / g, the organic matter weight percentage is larger than or equal to 25%, and the weight percentage of NPK total nutrient islarger than or equal to 10%. The invention also discloses a preparation method of the biological organic compound fertilizer. The biological organic compound fertilizer is a green environmentally friendly manure which can increase crop yield and quality.

The invention discloses a fertilizer specially used for rice and a preparation method thereof. The fertilizer comprises an organic fertilizer and an inorganic fertilizer, wherein the inorganic fertilizer is prepared from the following raw materials: urea, monoammonium phosphate, potassium chloride, lime nitrogen, magnesium ammonium phosphate, zinc sulfate, boric acid, a sterilizing agent, urea formaldehyde, diatomite, ATS and dicyandiamide; the urea formaldehyde containing ammonium thiosulfate and dicyandiamide serves as a coating, and the diatomite is attached to the outer side of the coating; the other raw materials are contained in the coating. The organic fertilizer is prepared from the following raw materials: sterilizing agent decoction dregs, chicken manure, bagasse, xylitol residue, cottonseed cake and plant ash. The fertilizer can meet the requirement of the whole rice growth period after being applied once, manual labor is saved, the soil aeration, fertilizer absorption and water retention characteristics can be improved, steady growth of rice plants is promoted, and the yield is increased by 10-20 percent per mu.

The invention relates to an organic-inorganic compound fertilizer for grapes and a method for preparing the same. The compound fertilizer consists of the following raw materials in part by weight: 50 to 60 parts of fermentation organic fertilizer, 14 to 18 parts of urea, 5 to 10 parts of diammonium phosphate, 15 to 20 parts of potassium potassium sulfate, 2 to 4 parts of magnesium sulfate, 0.5 to 1.0 part of zinc sulfate, 0.2 to 0.5 part of boric acid, wherein the fermentation organic fertilizer is obtained by pilling 60 to 70 parts of edible fungi dreg, 15 to 20 parts of cake and 10 to 15 parts of microorganism fermentation microbial agent for fermentation and then drying the product of the fermentation until the water content is 25 to 35 percent. The compound fertilizer has the advantages of reasonable nutrient ratios and high grape quality and can improve the soil fertility by adopting the organic-inorganic combination.

The invention relates to a special organic and inorganic compound fertilizer for a lawn and a preparation method thereof. The preparation method comprises the following steps of: fermenting and decomposing sludge, edible fungus residues and a microbial fermentation fungal agent and then adding an inorganic fertilizer to produce the special organic and inorganic compound fertilizer, the nutrient content of which meets the nutrient requirement of the lawn. The special organic and inorganic compound fertilizer has long fertilizer efficiency, uniform nutrient supply and organic and inorganic combination, ensures the lawn quality and improves the soil fertility.

The invention provides a method for producing functional biological organic base fertilizer by using poultry excrement. The method is characterized in that pig excrement, chicken excrement, humic substances and other raw materials are used as basis, the optimum carbon-nitrogen ratio is adjusted, a deep pond continuous high-temperature aerobiotic dynamic fermentation process is adopted, decomposition inoculant which can promote materials to be decomposed and has the deodorization function is added in the decomposing process, and after the materials are decomposed, functional bacteria are added, so that the functional high-quality biological organic fertilizer is produced. The method has the advantages that a high-efficiency decomposition technology and an aerobiotic fermentation technology system are established, the poultry excrement treatment time is shortened, and production efficiency is improved; and antagonistic action among all functional bacteria is avoided, and all the functional bacteria have the reciprocal symbiosis. All microorganisms can grow and breed at different temperature areas, and exert efficacy mutually, so that the fermentation effect is guaranteed radically, the excrement odor can be effectively removed simultaneously, and the poultry excrement wastes can be quickly decomposed in 7 to 10 days.

The invention provides a method of the cultivation frame type management in a melon grafting and seedling shed. Melons do not resist soil-borne diseases and cannot be planted in a continuous cropping manner. The method comprises the following steps: taking white-seed pumpkins as rootstocks; taking melon breeds as spikes for seedling and grafting by means of peg grafting or nurse grafting or cleft grafting; performing accelerating germination and seeding, wherein graft seedlings are seeded 8 to 10 days earlier than actually grown seedlings, meanwhile, the seeding in prepared nutrition soil is carried out at different stages, and melon seedlings are grafted on the rootstocks of the white-seed pumpkins; planting not less than three melon seedlings per square meter based on the row spacing of 60cm x 58cm or 65cm x 54cm or 70cm x 50cm; punching; fertilizing; watering; inserting the seedlings; trimming branches and adjusting vines 5-20 days after the planting, removing all 8-10 sub-vines above 3-4 remained melon setting vines, leaving only one main vine and suspending the man vine through a nylon cord; performing pollination, fruit thinning as well as prevention and treatment of plant diseases and insect pests; and harvesting melons after the melons are ripe. The method is used for planting the melons.

The invention relates to an organic and inorganic compound fertilizer special for preventing diseases of cotton and a preparation method thereof; the compound fertilizer comprises fermented organic fertilizer, urea, DAP, potassium chloride, zinc fertilizer, boron fertilizer, 20 percent of virus killer AS and 68.75 percent of Yibao WG; the fermented organic fertilizer is accumulated and fermented with 40 to 50 parts of sludge, 30 to 50 parts of smoke residue and 10 to 20 parts of microbial fermentation agent, and dried to contain 25 to 35 wt percent of water. The organic and inorganic compound fertilizer special for preventing diseases of cotton has the advantages of good disease preventing effect, reasonable nutrition ratio, promotion of cotton seedling robustness, organic and inorganic integration, and improvement of soil fertility.

The invention discloses a vegetable and fruit biological activity seedling culture matrix as well as a preparation method and application of the vegetable and fruit biological activity seedling culture matrix. The vegetable and fruit biological activity seedling culture matrix is prepared by adding auxiliary ingredients such as excrements of plant-eating animals, soil ash or coal slag, peat, a slow-release fertilizer, a calcium-magnesium phosphate fertilizer, medium trace elements and a microbial agent into papermaking wastewater serving as a main ingredient. The matrix is soft, loose, ventilating, water-saving and drought-resisting. The matrix for culturing vegetable and fruit seedlings can achieve the effects of high seedling emerge speed, short seedling age, seedling strengthening, quality improvement, root activity enhancement, disease resistance and improvement on seedling emerge rate and seedling rate; furthermore, the vegetable and fruit biological activity seedling culture matrix is convenient to transplant; the slow seedling period is short; stable yield and high yield of vegetables and fruits are guaranteed.

The invention discloses a method for rapidly propagating taxus chinensis seedlings, and the method comprises the steps of preparing nutrient soil, nutrient solution, pretreatment solution and rooting solution by using a plant tissue culture principle; filling the nutrient soil into a nutrient bag; drenching the nutrient soil in the nutrient bag by using the nutrient solution; taking a taxus chinensis semi-lignified twig as a propagation material; shearing the taxus chinensis semi-lignified twig into bud-containing subsections which are 0.5-12cm long; inserting the bud-containing subsections into the nutrient bag after being treated with the pretreatment solution; one week later, spraying the rooting solution which is diluted by 1000-1200 times for promoting the rooting; and spraying once every week until the rooting is finished. Through culture and management for 3-4 weeks, the bud-containing subsection roots become a new plant, the survival rate is above 90% and the root system is well developed. The method provided by the invention has the following advantages of being simple for operation, easy for grasping, feasible in four seasons and beneficial for popularization, well solving the technical problem of rapidly propagation of taxus chinensis seedlings, realizing industrial seedling culture, and being conducive to protecting the precious wild taxus chinensis resources of China.

The invention discloses a eucalyptus seedling culture substrate. The eucalyptus seedling culture substrate comprises the following components in part by weight: 35 to 40 parts of coconut shell powder, 25 to 30 parts of peat, 15 to 20 parts of bentonite, 20 to 25 parts of attapulgite, 0.5 to 0.8 part of soil water-retaining agent, 15 to 20 parts of nutrient substance and 0.2 to 0.3 part of composite strain. A production process of the eucalyptus seedling culture substrate comprises the following steps of: drawing silk from a coconut shell to generate fragments; crushing the fragments; sieving until the granular size is 10 to 20 meshes; performing salt exclusion; mixing 35 to 40 weight parts of the coconut shell powder subjected to the salt exclusion, 15 to 20 weight parts of the nutrient substance and 0.2 to 0.3 weight part of high-temperature-resistant fermenting strain; adding clean water to stir and wet; stacking into a circular truncated cone shape; covering a membrane on the circular truncated cone so as to ferment; and after fermenting completely, adding the peat, the composite strain, the bentonite, the attapulgite and the soil water-retaining agent according to the weight ratio to mix and stir uniformly to prepare into block shapes. The coconut shell powder serves as a main raw material, so the materials are obtained singly and easily, the nutrient ingredients and the content are easy to control, and large-scale standard production can be performed easily.

The invention relates to a high-yield corn planting method which is simple, easy to popularize and capable of increasing yield and income. According to the high-yield corn planting method, corn is sown in 2-3 ridges, wherein one ridge is spared; one row of the corn is sown in each ridge, wherein the row spacing ranges from 13 centimeters to 15 centimeters. According to the high-yield corn planting method, the corn yield per unit area is increased through a technological innovation to exceed the yield per unit area of ridge culture corn in the world by 20-30%; since super-density-tolerance corn hybrid seeds are used, the plant type is compact, leaves charge upward, stems are tough, and roots are flourishing; corn plants are about 230-250cm high and are planted densely and reasonably; the two ridges are used for sowing, one of the ridges is spared of sowing, and the spared ridge enhances ventilation, photopermeability and photosynthesis; the marginal advantages are given full play to; colony heterosis is given play to, so that the corn yield is increased.

The invention discloses a method for rapid mycorrhization of a DSE strain and blueberry tissue culture seedlings, and belongs to the technical field of biology. A strain is R16, and the preservation number is CGMCC No. 13885. The invention also establishes the method for the rapid mycorrhization of the strain and the blueberry tissue culture seedlings. The system uses sterilized moss as a co-culture medium under an aseptic condition, and DSE inoculant adopts a liquid culture method. Compared with an existing method of inoculation by fungus lumps, the strain R16 cultivated by inoculated liquid grows fast and contacts with blueberry root fungus fully, the co-culture time is short and the planting rate is high. The DSE strain R16 has a significantly promoting effect on the growth of the blueberry tissue culture seedlings. Compared with the uninoculated control, the growth of the blueberry seedlings inoculated with DSE strain is significant, the leaves are large and dark green, the root system is developed and the survival rate of transplanting is high.

The invention discloses a method for planting vegetation on the karst area slope, comprising: laying and fixing a wave shape plant-growing net with meshes on the slope surface, wherein the wave shape plant-growing net can be formed by connecting a surface layer net and a wave shape net and also can be formed by connecting the surface layer net, the wave shape net and the bottom layer net; spraying the artificial soil for the shrub slope protection in the karst area on the wave shape plant-growing net by a mechanical or an artificial operation method, and spraying the plant growth substrate mixed with the plant seeds on the top of the artificial soil by a sprayer. The invention lays the wave shape plant-growing net with the meshes on the shrub slope protection in the karst area, therefore, the sprayed artificial soil and seeds during laying the planting substrate can absorb in the wave shape plant-growing net with the meshes. The invention provides an adhesion platform for the artificial soil and seeds to ensure the root system expansion during plant growth, promotes the construction speed and saves the construction cost.

A leaf fertilizer is prepared from biologic material as main raw material such as dried potato, rice bran, wine yeast, weathered coal, extraction liquid of garlic, etc and 20 other materials including urea, potassium dihydrogen phosphate, boric acid, copper sulfate, VC, etc. Its advantages are high chemical stability and water solubility, easy absorption, high effect on increasing yield, and no environmental pollution.

The invention discloses a modified attapulgite-containing mulberry fertilizer and a preparation method thereof. The modified attapulgite-containing mulberry fertilizer comprises raw materials in parts by weight: 34-37 of urea, 25-28 of livestock manure, 15-18 of weathered coal, 1-2 of ferrous sulfate, 0.4-0.6 of ammonium molybdate, 0.5-0.8 of potassium chloride, 1.4-1.6 of magnesium sulfate, 1-3 of humic acid, 1.5-2.5 of trace element fertilizer, 4-5 of modified attapulgite, 6-8 of titanium dioxide, 0.8-1.2 of sodium dodecyl sulfate, 0.7-1.0 of sodium carboxymethyl cellulose, 2-3 of polyoxylethylene ether type acrylic ester, 1-3 of citric acid, 4-6 of colza oil, 1-3 of propylene glycol, and 9-11 of diatomaceous earth. The fertilizer takes urea, livestock manure and weathered coal as main raw materials, so that the mulberry is flourishing in roots, vigorous to grow, easy to plant, easy to manage, and long in service life; the water and soil loss can be reduced, and the ecological environment construction quality can be improved; and the modified attapulgite and titanium dioxide are added in the raw materials as stuffing, so that the adsorption structure is added, the blocking can be prevented, and the dispersity is increased.

The invention also relates to a microorganism fertilizer. The composite microorganism preparation comprises the components based on the volume ratio: 5-15% of photosynthetic bacteria, 10-20% of bacillus subtilis, 15-35% of saccharomycete, 25-45% of thermophilic bacillus and 3-15% of actinomycete. The invention also relates to the application of the microorganism fertilizer in the aspects of improving the resistance of seeds, preventing plant diseases and insect pests, purifying the water quality of rice field and increasing the rice production, and a using method thereof. The invention also relates to the application of the microorganism fertilizer in the aspect of accelerating rice stubble rotten degree, and a using method thereof.

The invention belongs to the technical field of agriculture, and particular relates to a water-culturing rice seedling raising nutrient solution and a preparation method thereof. The nutrient solution contains elements B, Cu, Zn, Mn, Mo, Si, Fe, K, Ca, Mg, P and N in the ratio of (43.6-52.6):(1.2-2.6):(4.4-6.9):(41.5-55.6):(0.3-2.0):(1670-1990):(1200-1500):(3400-5900):(2160-3260):(480-790):(220-920):(5600-17500); and the pH value of the nutrient solution is 4.5-5.5. A water-culturing rice seedling raising nutrient solution formula and the preparation method are easy, raw materials are sufficient, implementation is easy, and the problem of nutrient supply to industrial production rice seedlings with a water culturing method is solved.

The invention belongs to the technical field of crop cultivation and especially relates to a cultivation method for eggplant seedlings. The cultivation method comprises the following steps of selecting the variety of the eggplant; pre-processing the seeds; allocating nutrient soil with the characteristics of evenly mixing 4 parts of rich rural land, 3 parts of decomposed wormcast and 3 parts of sieved fine slag, adding 1kg calcium superphosphate into one cubic meter of bed soil, flatly paving 6-10cm thick nutrient soil on a seedbed, and filling and slightly compacting the rest nutrient soil into a seedling-culturing caved plate for standby; mixing 8-10kg 50% thiram wettable powder or 50% carbendazim wettable powder into 3kg rural land, fully mixing and making into drug soil, and evenly scattering the drug soil onto the seedbed; sowing; and performing seedling management. The seedlings cultivated by adopting the nutrient soil and the cultivation method provided by the invention have strong growth vigor, advanced root system, strong disease resistance and high adaptability after transplanting.

The invention provides a method for rapidly propagating big camphor trees by layering high stems, which relates to a plant propagation method, in particular to a propagation method for camphor trees. The method comprises: a, choosing a seedling female parent; b, choosing a propagation cultivation place; c, choosing propagation time; d, choosing a good female parent and annularly cutting a gap which is 5 to 10 centimeters in a position 50 centimeters from ground; e, smearing disinfection solution and rooting liquid on bark in an annularly cut part, wrapping the gap in 1 to 5 kilograms of filling matrix, binding the annularly cut part tight with plastic cloth and packaging ropes and wrapping up to form a drum-shaped bag; and f, performing planting until white roots grow two months after annular cutting, turn yellow after eight months and grow to fill in the bag. Big trees produced by the propagation method can have two-thirds time of growth cycle shortened compared with normally sown and cultivated seedlings, and are developed in root systems, exuberant in growth vigor and capable of repeated regeneration and utilization.