310results about How to "Grow neatly" patented technology

The invention provides a method for cultivating cherry seedlings. The method includes the following steps of collecting and processing seeds, sowing the seeds in nutrition pots in a plastic tunnel, performing managing after sowing, training the seedlings and transplanting the seedlings into a big field. According to the method, the temperature and the humidity for sprouting of the seeds are improved manually, the problem that the seeds do not sprout because of drought and water loss can be avoided effectively, in addition, the seedlings are prevented from the influences of adverse weather such as low temperature and late frost in spring after seedling emergence, good growing environment is provided for the seedlings, and the seedlings come out about one mouth earlier than seedlings sown in the big field. Hill-seeding is performed in the nutrition pots, the emergence rate reaches above 97%, more than ten thousand seedlings can be obtained from 1kg seeds in a hill-seeding mode, however, more than ten thousand seedlings can be obtained from 3-5kg seeds sown in the big field in a drill seeding mode, and the utilization rate of the seeds can be improved by 3-5 times. The height of the seedlings is 10-15cm during transplanting, the seedlings are higher than the seedlings sown in the big field by 3-5cm, transplanting is performed according the same row spacing, the seedlings are grown evenly in land for tree nursery, management is convenient, the seedlings can grow into high-quality big seedlings, and therefore the emergence rate and the seed utilization rate of seedling cultivation are improved more effectively and the seedling cultivation purpose that the seeds are sown in a high-quality and high-efficiency mode is achieved.

The invention relates to an environmentally-friendly plate for raising rice seedlings and a rice seedling production method, which belong to a rice seedling raising medium and a production method. The plate contains the following raw materials in percentage by weight: 40 to 60 mesh crushed coin straw 60-80, industrial paper pulp processing waste slag liquid 15-25, and 40 to 60 mesh industrial fluidized bed furnace ground slag 5-15. The method comprises: material preparation, raw material crushing, fermentation, mixing, material drying, stirring, pulping, mold loading, compression molding, demoulding and drying. The plate and the production method have the advantages of reducing damages to vegetation, namely plough layer surface soil, solving the problem of difficult soil digging, developing and utilizing straw resources, realizing energy conservation and emission reduction, integrating the medium and the plate, replacing a seedling raising plate and being suitable for the standardization of mechanical sowing, mechanical planting and seedling raising.

The invention belongs to the technical field of vegetable seedling culture and recycling of solid organic waste, and particularly relates to a vegetable seedling culture soilless matrix compounded with straw mushroom slag and a preparation method thereof. The vegetable seedling culture soilless matrix compounded with the straw mushroom slag comprises the main ingredients: straw mushroom slag, vermiculite and coconut residuum and the like. In the matrix, the volume ratio of the decomposed straw mushroom slag accounts for more than 40% of the total volume, the volume ratio of the vermiculite accounts for less than 305 of the total volume, the volume ratio of the coconut residuum accounts for less than 30% of the total volume, the matrix is prepared by mixing all the ingredients, and the volume weight is about 0.5g / cm<3>. In the invention, due to the application of technologies such as higher adsorption properties and nutrient compounding and the like, the technical bottleneck of restricting the quality of the vegetable seedling culture soilless matrix is effectively solved, the germination rate of seeds is increased, the forming of strong seedling is enhanced, and the seedling culture period is shortened.

The invention discloses a spring wheat planting method by trickle irrigation spring wheat, which mainly contains the steps of flattening soil, sowing, laying pipes and managing in a prophase, a metaphase and an anaphase in the yield. Compared with a conventional technology for planting general spring wheat, the method for planting the wheat can save water, land, fertilizer, power, mechanical force and seeds, achieve good effect of favorable irrigation and fertilization and even growth of wheat grass.

The invention relates to a technology for propagating an aleurites moluccana seedling by high-altitude layering. According to the technology, an operating method comprises the following steps of: selecting branches of which the sizes are similar and the growth conditions are excellent from the aleurites moluccana tree which has more than 4 age from March to October in every year; performing girdling on the stem bases of the selected branches, wherein the width is about 2 to 4 centimeters, and a cortex layer and a cambium are scraped completely; coating a growth regulator with appropriate concentration at the upper ends of incisions; making a wet matrix into a mud pie, covering wounds with the mud pie, wrapping the outside of the mud pie by using a plastic film, and binding by using a packing rope; and checking the humidity of the mud pie during layering rooting, and when the humidity is low, replenishing moisture by an injection method to keep the humidity of soil, wherein after the girdling is performed, roots are grown at the wounds a month later; and cutting the layering for transplant when a large quantity of root systems are formed two or three month later.

The invention discloses a container nursery method for cinnamon. The method comprises the procedures of selection of nutrient cups, preparation of a nursery substrate, seed collection and treatment, cup planting of seedlings and cultivation management. The method comprises the following specific steps: preparing the prepared nursery substrate in the nutrient cups; treating collected cinnamon seeds; planting the seedlings into the cups; finally performing cultivation management to obtain cinnamon nursery stocks. The nursery substrate is prepared by mixing yellow soil, coco coir and perlite in the ratio of (1-6):1:1. According to the method, sowing seeds are saved, and the production cost is reduced; moreover, the nursery substrate has higher physical properties and is more suitable for the growth and development of the cinnamon, a brand new cultivation system is established for the cinnamon, the survival rate and growth amount of the cinnamon are increased greatly, and a good economic benefit is achieved; the cultivation of the nursery stocks in cinnamon containers is not influenced by soil property, land which is unsuitable for land cultivation can be utilized, the land resources are protected effectively, and better social and ecological benefits are achieved.

The invention relates to the field of vegetable planting, in particular to a planting method of brassica oleracea L.var.capitata L.. The planting method of the brassica oleracea L.var.capitata L. comprises the following steps of A, variety selection; B, seedling growing; C, land preparation and arrangement of moisture in the soil; D, fertilization; E, transplantation and field planting; F, field management; G, insect disease prevention; H, timely harvesting. According to the planting method disclosed by the invention, insect disease can be effectively prevented from happening by selecting a disease-resistant variety and adopting seed sterilization treatment and soil sterilization treatment; seedlings are cultured by using a nutrition dish, the transplantation with soil can be carried out when in transplantation and field planting, the seedling stage can be shortened, and the tidy growth can be facilitated; dedicated organic-inorganic mixed fertilizer of the disease-resistant variety integrates organic and inorganic fertilizers into a whole, the problems of the lack of organic fertilizer and difficult fertilization of the organic fertilizer can be solved, the matching ratio of nitrogen, phosphorus and potassium is coordinated, and the fertilization efficiency is obvious; composting is carried out by adding a decomposition agent in tobacco powder, and a composting and slaking process of the tobacco powder can be quickened; the whole-life requirement on nutrient of a plant can be met just by carrying out hole fertilization of fertilizer in one time, and the labor is saved.

The invention provides a flue-cured tobacco afloat and moist seedling raising method, and relates to a seedling raising method combining a moist seedling raising method and an afloat seedling raising method. The invention provides the flue-cured tobacco afloat and moist seedling raising method aiming at solving the disadvantages of less root hair, poor root activity and slow seedling restoration of the existing flue-cured tobacco afloat seedling raising. The method comprises the following steps: seeding, an afloat seedling raising phase, primary leaf clipping, a shallow water seedling raising phase, a moist seedling raising phase and seedling hardening. The flue-cured tobacco afloat and moist seedling raising method can cultivate sound tobacco seedlings with developed root hair, strong stem toughness and high stems without seedling restoration time basically, and is beneficial to realizing seedling raising technique normalization and seedling quality standardization, can reduce the disease infection and lower the production cost.

The invention provides a mthod for propagating dendrobium candidum test-tube plantlets, which comprises the following steps: a. adopting dendrobium candidum stem sections or stem section axillary buds as explants, wherein chloroplasts of the stem sections or the stem section axillary buds have gene sequences with the GenBank login number of FJ530946; and b. carrying out the processes of axillary bud survival and growth, cespitose shoot inducement and multiplication, and plantlet formation, wherein the culture conditions include the culture room temperature of 26+ / -2 DEG C, the illumination intensity of 20001x, the pH value between 5.8 and 6.0, the light source of a fluorescent lamp or an LED light source, and the illumination time of 12 h per day. The method of the invention aims at the defects of the existing dendrobe tissue culture method, improves the existing dendrobe tissue culture method, and provides a fast propagation method of the dendrobium candidum germchits. The method can meet the requirements of germchits required by large-scale production in a short time, and has the characteristics of low cost, regular germchit growth, simplicity and easy implementation of a domestication method, good inheritance stability and the like.

The invention relates to a seedling scion grafting method, which comprises the following steps of (1) sun-shading greenhouse, cutting seedling bed and cutting substrate preparation; (2) scion and stock preparation: new tips of a well-bred parent tree under the healthy growth condition are selected as scions, new tips of a well-bred parent tree under the strong growth condition are selected as stocks, the length of the stocks is about 2 to 10cm, 1 to 2 sections of leaves are left, and the left leaves are positioned in positions being 1 to 2cm below an upper shearing opening and positions being 1 to 4cm above a lower shearing opening; (3) stock pretreatment; (4) grafting: a cleft grafting method is adopted, the stock is flatly placed to be tightly adhered to a base plate, and a split opening with the length being 0.5 to 1cm is longitudinally cut in the position of the upper shearing opening, the scions with the length being 2 to 3cm is sheared, 1 to 2 buds are remained, a two-sided wedge shape with the sharp top end and the length being 0.8 to 1.2cm is cut in a position being 1cm below a scion leaf, the cut scions are aligned with the split opening of the stock, in addition, at least one side is required to form layer aligning, the cut scions are slightly inserted so that the cut scions and the stock are tightly pasted, the middle position of an aluminum sheet covers a grafting opening, and the aluminum sheet is tightly pinched and folded back so that the fixation is realized; (5) cottage; and (6) daily management.

The invention discloses a grape cuttage seedling method, which comprises the following steps of (1) soil preparation and ridge making; (2) rooting agent selection; (3) material selection and cuttage; and (4) management after cuttage and transplanting. When the cuttage seedling method provided by the invention is adopted, good properties of grape mother strains can be maintained, and the method has the advantages that the propagating factor is high, the plant growth is healthy, strong and regular, the operation is simple and convenient, and the like. The seedling propagating number is improved by more than 80 percent through being compared with that of a root burying seedling method, in addition, the popularization and the application are easy, the cost is low, the propagating period is short, and the seedling growth is fast.

The invention discloses a cucurbit and vegetable breeding substrate. A production method of the cucurbit and vegetable breeding substrate comprises steps of (1) mixing grass carbon, fermented biogas residues, bio-organic fertilizers and the like; (2) adding ammonium sulphate, potassium sulphate, monoammonium phosphate, manganous sulfate, boric acid and the like to a sprayer containing water and stirring uniformly fully for use; and (3) sieving the bio-organic fertilizers in the step (1) and enabling the bio-organic fertilizers to sink into other materials of the step (1) except the bio-organic fertilizers, adding the mixture solution of step (2) into the mixture of the step (1), turning and mixing once, using a square-hole screen to sieve once till all mixtures pass the screen, adding proper water, continuing to turn and stir three times, using a plastic film to cover mixtures for stack and smothering for 48 hours after completion of preparation, sampling, and performing quantitative package after inspection. The substrate has good fertilizer effects, releases nutrition slowly and is disease resistant, degeneration resistant, comprehensive in nutrition and good in pertinency. The germinate rate and seedling emergence rate of seeds are improved, seedlings are strong and free from excessive growth, soaked roots, dwarf and mummification, blossom buds of seedlings are differentiated normally, and characteristics, the yield and the quality of agricultural products are guaranteed.

The invention relates to a clonal tissue culture breeding method for a camphor tree and belongs to the technical field of forest tree tissue culture. The clonal tissue culture breeding method comprises the steps of explant material sterilization, bud induction, bud propagation, rooting induction, rooted-seedling hardening, and transplantation and management of tissue-cultured seedling, and particularly comprises the following steps of: removing the leaves of an annual shoot; cutting the shoot into stems which are respectively provided with 1-2 axillary buds; sterilizing the stems; carrying out induced culture by an inducing medium; carrying out enrichment culture and rooting induction on the obtained new bud; hardening and naturalizing the obtained rooted seedling; and finally transplanting the naturalized seedling into a matrix which is sterilized, and managing the transplanted seedling. Seedling raising by the clonal tissue culture breeding method for the camphor tree, disclosed by the invention, is not affected by natural factors such as season and weather, and besides, production cost is low, land resources are saved, and seedling raising efficiency is improved; meanwhile, with adoption of the clonal tissue culture breeding method disclosed by the invention, the phenomenon of browning can be effectively prevented, the effective reproduction rate is high, the rooted seedling is grown regularly, the culture period is short, the survival rate for the transplanting of the tissue-cultured seedling is high, and the seedling stage culture period is short; and the clonal tissue culture breeding method is significant.

The invention relates to organosilane crosslinked polyethylene, which is prepared by a room temperature cross-linking method. The organosilane crosslinked polyethylene mainly comprises 100 parts by weight of polyethylene resin component grafted by alkenyl alkoxy silane, 2 to 8 parts by weight of cross-linking catalyst component, and 0.01 to 0.5 parts by weight of a water producing agent, and is obtained by mixing the components at a temperature between 120 DEG C and 200 DEG C, and then cross-linking the mixed components at a room temperature, wherein the water producing agent is alum or a mixture composed of alum and the existing water producing agent. The organosilane crosslinked polyethylene provided by the invention is low in cost and high in quality, and has commercial value.

The invention discloses a breeding method of an apple dwarf self-rooting multi-branch nursery stock. The breeding method comprises the following steps: firstly selecting apple dwarf rootstock varieties G41, M9, Pajam1 and T337 as maternal stocks, establishing an apple dwarf rootstock breeding seedbed, and using saw dust to cover newly grown branches of the apple dwarf rootstocks on the seedbed from the beginning of June to the beginning of July, so as to breed the apple dwarf rootstocks with good root systems; planting the apple dwarf rootstocks in a density of 5000-6000 plants per mu in a nursery garden in spring, establishing the nursery garden for producing finished nursery stocks; and grafting apple variety in autumn in the same year to obtain the apple dwarf self-rooting multi-branch nursery stocks in the next year. With the adoption of the cultivation method provided by the invention, the disadvantages of poor quality of nursery stocks produced by the existing stock breeding method, thin and weak nursery stocks, and low survival rate of the nursery stocks in the established nursery garden are overcome.

The invention provides a manufacturing method for morchella mother culture. The method is characterized by comprising the following steps of: 1, boiling 1 to 3 parts of fresh insect-free populus bonatii smashed branches or populus bonatii leaves in 10 parts of water based on a mass ratio for 25 to 30 minutes, filtering the mixture, and taking juice to prepare populus bonatii leachate; 2, mixing the populus bonatii leachate and PDA culture solution in a mass ratio of 1: 1, adding 0.2 percent of Na3PO4.12H2O, 0.2 percent of KH2PO4, 0.05 percent of MgSO4 and 0.005 percent of VB1 based on the mass percent of the mixed liquor, uniformly stirring the mixture, and sterilizing the mixture at the temperature of 121 + / 1 DEG C for 30 minutes to prepare a culture medium; and 3, cooling the culture medium, inoculating the morchella mother culture, culturing the inoculated culture medium at the constant temperature of 23 DEG C for 10 to 12 days, and culturing the culture medium in an incubator at the temperature of between 8 and 12 DEG C for 4 to 6 days. The manufacturing method has the advantages of strong hypha, strong twisting force, and easy formation of sclerotium on protospecies or cultivar.

The invention discloses a method for simulating mechanized rice transplanting plot experiment by pot rice seedling hole planting, and belongs to the technical field of a rice breeding technology. The problem that mechanical transplanting is difficult to realize because of a relatively small area of a mechanized rice transplanting plot is overcome. According to the method, a rice seedling throwing and raising technology and a rice variety regional test technology are combined so as to achieve requirements of a mechanized rice transplanting technology; mechanized transplanting rice varieties which are suitable for locally planting are screened out by quantitative pot seedling for seedling throwing, and stimulating rice mechanical transplanting by fixed-point hole planting; the mechanized transplanting rice varieties replace conventional hand-transplanted seed-bed seedlings or mechanized-transplanting tray-nursing seedlings; manual rice seedling separating and transplanting is changed into pot seedling fixed-point pot planting; the transplanted rice seedlings are quick in reviving and good in premature, and have the characteristics of having nutrient soil in roots of mechanized-transplanting rice seedlings, being not damaged in roots during seedling separating, being straight in transplanted seedlings, consistent in seedling quantity per planting hole, quick in reviving, early in tillering and the like. According to the method, the accuracy and the scientificity of the mechanized rice transplanting plot experiment are improved.

The invention relates to a clonal tissue culture breeding method of Liquidambar formosana Hance, belonging to the technical field of tree tissue culture breeding. The method comprises the following steps of: sterilization of explant materials, induction of sprouts, multiplication of sprouts, rooting induction, hardening of rooted seedlings, and transplanting and management of tissue culture seedlings. Specifically, the method comprises the steps of: removing leaves of a one-year-old shoot, cutting the shoot into sections with 1-2 axillary buds respectively, sterilizing the sections, conducting induced culture to the sections by using induced culture media, conducting multiplication culture and rooting culture to new sprouts, hardening and domesticating the cultured rooted seedlings, finally transplanting the domesticated seedlings on sterilized media, and managing the transplanted seedlings. By adopting the method, the breeding is not limited by seasons, the production cost is low and the land resources are saved; and the situation of browning can be effectively avoided, the effective multiplication rate is high, the rooted seedlings grow tidily, the culture period is short, the survival rate of the transplanted tissue culture seedlings is high, the seedling cultivation period is short, the clonal breeding of the Liquidambar formosana Hance can be pushed forward and the method plays an important role in large-scale propagation and popularization of improved varieties.

The invention discloses a method for cultivating needle mushroom by utilizing distilled grains, comprising the following steps: preparing a culture medium, producing mushroom bags, sterilizing in a high-pressure sterilization cabinet or a normal-pressure sterilization oven, inoculating strains by an aseptic technique, culturing the mushroom, promoting buds, controlling the growth and development environment of fruiting bodies and the like. The method has the beneficial effects that the distilled grains, cotton seed hulls and bran are used for preparing the culture medium, thus having low cost; and the obtained needle mushroom has the advantages of balanced nutrition, orderly growth and excellent quality.

The invention discloses a novel high-yield, high-quality and large-scale polygonatum cyrtonema cultivation method and relates to the technical field of traditional Chinese medicine cultivation. The novel high-yield, high-quality and large-scale polygonatum cyrtonema cultivation method comprises the six steps of explant obtaining and processing, aseptic seedling induction, tuber propagation, tuber adventitious-bud induction and strong seedling rooting, polygonatum cyrtonema seedling acclimatization and polygonatum cyrtonema seedling transplantation in fields. The novel high-yield, high-quality and large-scale polygonatum cyrtonema cultivation method establishes an intermediate polygonatum cyrtonema propagation system, and a large amount of detoxified polygonatum cyrtonema seedlings can be quickly obtained; the survival rate of transplanted tuber seedlings is high, and the seedlings grow fast in a later period; the emerged polygonatum cyrtonema seedlings grow in order, do not easily fall ill and are excellent in quality, management is simplified, the cost is low, and the cultivation method has popularization value.

The invention belongs to the technical field of fillers, and particularly relates to a preparation method of calcium sulfate whiskers. The preparation method comprises the steps of pulverizing phosphogypsum or desulfurization gypsum to obtain calcium sulfate granules; adding polyethylene glycol and water in the presence of nitrogen, stirring, heating to 50-70 DEG C, adding an oxidant, then adding methacrylic acid, methyl methacrylate, sodium methallylsulphonate and allyl polyethylene glycol (50) ether, preserving the heat, performing reflux reaction, adding a reducing agent and a chelating agent, continuously preserving the heat, adjusting the pH value of the reaction solution to be neutral, cooling, carrying out suction filtration, and drying to obtain a stabilizer; and stirring the calcium sulfate granules, the stabilizer and water for 2-3 hours, adjusting the pH value of the reaction system to be 3-5, reacting for 1-6 hours at 120-130 DEG C, discharging, filtering and drying. The carboxylate block copolymer type stabilizer is added in the preparation method, so that the whiskers are grown regularly and have uniform particle diameter and controllable length and length-diameter ratio; and the preparation method has the advantages of low production cost, little pollution, low energy consumption and high yield.

The invention relates to a half artificially fed cabbage moth feed and a preparation method thereof. The feed is prepared by mixtures A, B and C, agar and distilled water, wherein the mixture A comprises casein, sucrose, malt meal and wild cabbage powder; the mixture B comprises cellulose, para hydroxybenzoic acid, potassium sorbate and Watkins salt; the mixture C comprises vitamin C, streptomycin sulphate, propyl gallate, vitamin B complex, edible vegetable oil, potassium hydroxide and formalin. The preparation method comprises the following steps: components of the mixture A, B and C are respectively put into a container; 5 / 6 of the distilled water and the agar powder are added into the container for heating and stirring to thawing; the mixture A is poured into the agar liquid and stirred until uniformity; the mixture B is added and stirred until uniformity; the rest distilled water is added, and the mixture C is added when the temperature is decreased to 70 DEG C, and then stirred until uniformity; the obtained product is filled into moth feeding cups; after the surface moisture is dried, the cups are put into a refrigerator for storage. The preparation method and the feed of the invention are scientific, simple, and easy to standardize propagation the cabbage moth indoors with large scale; the cabbage moth fed with the feed has high larva survival rate, orderly development and sound growth; and the descendants of the cabbage moth have high hatching rate.

The invention belongs to the field of agricultural biotechnology and relates to a method for rapidly reproducing new pteris fern seedlings by using prothallium reproduction approaches. The method comprises the steps of prothallium culture process, multiplication culture process, sporophyte induction process, rooting induction process, and transplant and manage process. The technological process is simple; by reproduction in the form of prothallium, a great amount of prothallium can be obtained; by the processes of multiplication, sporophyte induction, sporophyte rooting and transplant, a great number of seedlings capable of being used for production and culture can be obtained; the obtained seedlings are at the same physiological age and grow uniformly; and the method is suitable for industrial seedling raising and scale culture.

The invention mainly aims to provide a clonal tea tree breeding method comprising the following steps: a, selecting a garden; b, trenching and grooving; c, cutting and seedling growing; d, nursery garden management; tea seedling using the seedling growing method is high in cutting survival rate, and breeding inherent characteristics can be well kept, so progeny properties are consistent, breeding period and growth vigor are tidy, and new shoot size, shoot tenderness0keeping ability and colors are close; subsequent mechanical tea harvesting is convenient, and primary processing technology can be standardized; the breeding method is simple, and easy to operate.

The invention belongs to the method for cultivating economic forests and particularly relates to a method for culture and plant regeneration of an ormosia microphylla in-vitro embryo. According to the method disclosed by the invention, the culture and plant regeneration of the ormosia microphylla in-vitro embryo is completed by adopting embryo induced culture, primary bud inducted culture, bud multiplication culture, strong seedling culture, and root induction culture. The method for culture and plant regeneration of the ormosia microphylla in-vitro embryo is higher in expanding propagation coefficient, short in germination time and high in propagation speed, and has an important theoretical significance and higher economic value as well as development utilization prospect for efficiently nursing rare and endangered ormosia microphylla resources, through the strong seedling culture, a grown-up seedling is high in survival rate after being transplanted, and the seedling is healthy and strong as well as tall and straight with good growth vigor.

The invention relates to a Phlebopus portentosus cultivation fungus stick, belonging to the biotechnology field. The Phlebopus portentosus cultivation fungus stick is prepared by the following steps of: mixing MgSO4, KH2PO4, rubber wood sawdust, crude rubber thick wood grains, coconut shell scraps, millet, flour and water in a certain proportion to prepare a cultivation fungus stick culture medium; inoculating liquid and solid Phlebopus portentosus strains cultured in advance in the bagged culture medium; and finally putting an inoculated culture bag in a 28 DEG C culture room for culturing for 50-60 days till mycelia grow all over the bagged culture medium. The Phlebopus portentosus cultivation fungus stick has the following advantages: 1, raw materials are abundant, the cost is low and the effect of ecological environment protection is achieved; 2, the preparation method is simple and convenient and is easy to popularize; and 3, mycelia grow uniformly and fruiting rate is high; the fruiting rate of the fungus stick is up to 80.0%-85.0% and the industrial cultivation of Phlebopus portentosus can be realized.

The invention relates to a tobacco ridge surface fertilizing method, comprising the steps of ridging, including the steps of ditching, applying base fertilizer, carrying out soil preparation and ridging in the field 15-30 days before tobaccos are transplanted; applying ridge surface fertilizer, namely spreading fertilizer specially used for the tobacco at the top of a ridge body when soil moisture content is appropriate after ridging; laminating, including the steps of immediately covering a mulching film after the ridge surface fertilizer is applied on tobacco ridges, pressing a small amount of soil at the edges of the mulching film at the two sides and the two ends of each tobacco ridge after the mulching film is covered and compacting the mulching film; and transplanting, including the steps of firstly excavating a transplantation hole, then pouring root setting water, spraying or pouring pesticide, placing tobacco seedlings in the middle of the transplantation hole and covering soil. By adopting the tobacco ridge surface fertilizing method provided by the invention, tobacco seedlings can quickly absorb fertilizer, application of weed killer is reduced, investment cost of a tobacco grower is reduced, and tobacco growing benefit is increased.

The invention discloses a method for cultivating citrus container mycorrhiza seedlings by combined application of AMF and PGPR (Plant Growth Promoting Rhinoacteria) bacterium agents. The method comprises the following steps: preparing an AFM mycorrhiza inoculant, preparing a PGPR bacterium agent, disinfecting seedling culturing soil, accelerating germination of trifoliate orange seeds, sowing the seeds and inoculating. According to the method for cultivating the citrus container mycorrhiza seedlings, designed by the invention, the mycorrhiza infection rate of citrus root systems can be improved, nutrients of nutrient soil mineral substances can be activated very well, and the absorption and utilization of nutrients and moisture by the citrus container seedlings are promoted; the citrus container seedlings which have higher stress resistance and survival rate are cultivated; the ordered and rapid growth of industrialized large-batch container seedlings is facilitated, and the seedling culturing period is shortened; citrus trees can benefit from the mycorrhiza growth promoting effect in the whole life and the application amount of chemical fertilizers in the container seedlings is reduced.

The invention relates to a preparation method of a molybdenum trioxide nanorod. An alpha-MoO3 nanorod in oriented growth is excellent in field electron emission performance and relatively low in threshold electric field, and can be widely applied to field emission display apparatuses, super-capacitors, electrochemical energy storage device and the like. By utilizing a two-step spreading pulsed laser deposition technology, based on alpha-MoO3 as a target material, the alpha-MoO3 nanorod in an orthorhombic system is deposited on a silicon substrate, wherein the deposited alpha-MoO3 nanorod is high in density and less in diameter. The method comprises the following steps of: firstly, depositing a thinner MoO3 seed crystal layer on a substrate ablated by a conventional pulse laser; then reversing the sample; and further growing a uniform MoO3 nanorod on the seed crystal layer through a spreading pulsed laser deposition method. According to the preparation method provided by the invention, a single crystal MoO3 nanorod array which is high in degree of crystallinity and low in defect density can be prepared without a catalyst, and the preparation process is simple, easy to control, good in repeatability and environmental-friendly.

The invention discloses a zelkova serrata field cutting propagation method which comprises the following steps of nursery land selection; soil and seedbed preparation; soil disinfection; cutting slip preparation; cuttage; management after field cuttage. According to field cuttage provided by the invention, by being compared with a facility cuttage, the processes of seedling exercising and transplanting are omitted, the cost for raising seedlings by cuttage is greatly reduced, so that the technology provided by the invention is more easy to master and popularize; in addition, the field cuttage method provided by the invention can stabilize the excellent characteristics of zelkova serrata through cutting propagation, and shortens a seedling period, nursery-grown plants grow uniformly, the requirements of forestation and afforesting on the quality and specification uniformity of the nursery-grown plants are met, the base parts of cuttings start to expand after cutting slips being cut for 30 days, adventitious roots generate at callused parts after one week, the rooting effect is good and the rate of survival reaches to 82 percent.