208results about How to "Improve the survival rate of afforestation" patented technology

A method for improving an afforestation survival rate by water collecting, water retention and water replenishing comprises the steps of water collecting, soil preparation, water retention and water replenishing. The water collecting method comprises the steps that a soil preparation engineering mode is used for collecting natural rainfall water into forest land and plant pits; the measure of building a flow collecting face, a flow collecting pool, a water cellar and the like is used, in the adequate rainfall reason, the natural rainfall water is collected and reserved, and the natural rainfall water is used for supplemental irrigation when trees are in short of water. The water retention method comprises the step of using mulching films, wheat straw, dinas and the like for covering the plant pits. The water replenishing method comprises the steps that when it is arid and does not rain and when nursery stock is in water shortage, the methods of micro-irrigation, trickle irrigation, infiltrating irrigation under films, root-irrigation through tube inserting, water injection irrigation and the like are used for water replenishing; soil preparation is conducted, fertilizer is applied to the plant pits, plastic films are mulched for catchment and soil conservation, seeding and planting are conducted, a water collecting face and a water reserving cellar are built to collect rainfall water, and water replenishing and irrigation are conducted in the drought period in spring. The final purpose is to improve the afforestation survival rate and the preserving rate, and to improve the volume of forest tree growth. In addition, the important links further comprise suitable tree species choosing, application of the new technology, new method and new materials of afforestation, cultivation management, disease and pest control and the like.

The invention discloses an antitranspirant foliar fertilizer and a preparation method thereof. The antitranspirant foliar fertilizer comprises the raw materials of copper sulfate, ethylene diamine tetraacetic acid, monopotassium phosphate, zinc sulfate, ferrous sulphate, manganese sulphate, ammonium molybdate, composite rare earth, boric acid, sodium dodecyl sulphonate, urea, fulvic acid, hexanoic acid 2-(diethylamino) ethyl ester, compound amino acid, magnesium sulfate, calcium nitrate, ethylene diamine tetraacetic acid, microbial agent, azone and ammonia water. The antitranspirant foliar fertilizer provides nutrient elements and microbial agents which are required by the growth of plants, the rare earth and amino acid and other beneficial elements, can promote the growth of the plants, improve the yield, the quality, the stress resistance of the plants and the absorbing and operating capabilities on trace elements, simultaneously can effectively reduce the transpiration of the plants and is applied to afforesting in arid regions.

The invention discloses a method for culturing large eucalyptus seedlings. The method comprises the following technical steps: 1. selection of seedling field; 2. preparation of a plug seedling bed; 3.preparation and sterilization of matrix soil; 4. selection and treatment of ear rods and tissue culture seedlings; 5. cutting and plug transplantation of the tissue culture seedlings, wherein, the cutting seedlings are vertically inserted in the midpoint of holes at depth of 1.5-2cm; and the tissue culture seedlings are directly transplanted to the prepared plug seedling bed; 6. water and fertilizer management; 7. transplantation in vessels: the seedlings are cultured in the plugs for about 50-70 days, and terminal buds are newly extracted to 2-3cm; when the root systems of most of nursery stocks are lumped, the seedlings in the plugs are transplanted to a black polyethylene plastic nursery cup with 8*8 (cm) for culturing the large seedlings; and 8. culture of the large seedlings: the transplanted young seedlings are placed in a shading arched cover for culture, and a shading net is gradually opened for hardening the seedlings at the later period; water and fertilizer management is strengthened; and then the seedlings are removed out of a seedling nursery and planted in a mountain for afforestation in the case of seedling height up to 35-50cm and ground stems up to more than 0.25cm, fertilization is stopped 10 days before afforestation, and the nursery stocks are applied with transferring fertilizer by 0.3% of complex fertilizer once 1-2 days before outplanting.

The invention provides a grafting and seedling-cultivating method for a Theaceae plant. A grafting and seedling-cultivating manner of the grafting and seedling-cultivating method is that seeds of the Theaceae plant are refrigerated; pre-germination is conducted in due time according to the shoot growing condition of a scion supply plant at every time, and the pre-germinated seeds are cultivated into root stocks in a seedling cultivating container; and a root stock 1.2 to 2.0mm in diameter is selected, and the upper end of the root stock is cut off at a distance of 3 to 5cm from the ground, so as to graft the root stock. The method provided by the invention is particularly suitable for the grafting and seedling cultivation of oil camellia and has the advantages that the grafting can be realized for multiple times within one year, so that the seedling cultivation cost is effectively reduced; through selecting and grafting appropriate root stock materials, the grafting survival rate is effectively increased; and through appropriately controlling conditions of pre-germination, seedling cultivation, and the like, the seedling cultivation period is effectively shortened.

The invention provides a method for grafting carya illinoensis, the grafting temperature and humidity as well as stock and scion seedling cultivation before the grafting are strictly controlled, and the method is realized through the following steps of: building a potting cutting orchard, cultivating the stock and automatic temperature control and humidity control grafting; and because the control of the key carya illinoensis grafting links is reinforced, temperature difference between day and night is eliminated, the scion and the stock cut are prevented from expansion with heat and contraction with cold due to the temperature difference, enough water is ensured, the grafting failure due to the water loss of a scion bud is avoided, the grafting survival rate of the carya illinoensis can reach above 85%, and a better horticulture foundation is laid for successfully marketing the carya illinoensis.

The invention discloses a cuttage rapid-propagation seedling culture method for elevated sand bed camphora wood cutting orchard tissue culture seedling twigs. The method comprises the following steps: taking semi-lignified twigs formed by camphora wood cutting orchard tissue culture seedling planted on the elevated sand bed as a cutting wood; treating the cutting wood by greenplant growth regulator-ABT6 rooting solution; inserting the treated cutting wood into a mixed medium which contains peat soil and coconut bran in a weight ratio of 3:(1-1.5); culturing on a pressure lifting seedling culture bed capable of automatically controlling temperature, controlling moisture and controlling light; controlling parameters of air humidity to 85%, medium moisture content to 50% and illumination intensity to 1500lux; and after one month, causing the cutting wood to form an integral plant, wherein the cuttage survival rate is 80-85%. The method has the advantages of scientific seedling culture facility, high propagation speed, large seedling culture amount, short seedling culture time, high afforestation survival rate, low wood culture cost, good economic benefit and social benefit and the like, offspring can keep the excellent hereditary character of a stock plant, and the asexual seedling culture of camphora fine variety is achieved.

The present invention relates to an ilex seedling pruning method. It uses annual and biennial ilex artificial sown seedlings whose growth is normal and density is proper as pruning object, and when the seedling is about to close, the complete or partial leaf blade upper end portion can be pruned so as to regulate internal structure of seedling population, improve its photic and ventilating condition and raise photosynthesis efficiency, and make them be in optimal state to ensure health growth of seedlings.

The invention provides a method for cultivating caesalpinia sappan linn in a karst region. The method includes the steps of seed collecting, seed processing, seedling cultivation and forestation tending, select trees are selected as seed collecting seed trees, seeds are collected to be processed, the seeds are placed in a container for cultivating seedlings, wherein a seedling growing substrate is contained in the container, the seedlings leave from a nursery to perform forestation, and a new forestation land is managed in a tending mode. Non-woven cloth seedling growing bags are adopted for cultivating the seedlings, seedling transplanting, root excision, level-to-level management, full exposure seedling exercising, water-retaining agent and base fertilizer layering applying, shaping, pruning, apical bud cutting after autumn comes and other technological processing are performed, adaptability of the seedlings is high, the survival rate of forestation is high, growth is rapid, and the method is widely suitable for tropical and south subtropical karst regions and has good economical benefits, social benefits and ecological benefits.

The present invention is seed bed for culturing mycorrhizic seedling and its obtaining method and culture method. The seed bed for culture exogenous mycorrhizic edible fungi and medicinal fungi has medium of soil and / or artificial medium without competitive foreign fungi. The seed bed has competitive foreign fungi eliminated via sterilization. The present invention provides condition for large scale culture of mycorrhizic fungi in low cost.

The invention provides a propagation method for grafting Camellia tamdaoensis Hakoda et Ninh onto camellia maozi. The propagation method comprises the steps of carrying out management cultivation of a camellia maozi nursery stock as a stock seed tree and the imported Camellia tamdaoensis Hakoda et Ninh nursery stock as a cutting seed tree, respectively, grafting the Camellia tamdaoensis Hakoda et Ninh cuttings on the camellia maozi cutting seedlings, and controlling the light, the relative humidity and the matrix moisture content in the nursery, thereby obtaining Camellia tamdaoensis Hakoda et Ninh grafted seedlings. The propagation method is characterized in that based on the excellent stock seedling application characteristics of the camellia maozi such as many branches, high germination power, thick and easily strippable bark, and high adaptability to natural environments of drought, flooding, acids, bases, salt and high temperatures, the Camellia tamdaoensis Hakoda et Ninh which is beautiful in leaf shape, flower and crown shape and high in ornamental value and garden development value is grafted on the camellia maozi, the grafting survival rate can be more than 98%, propagation can be expanded rapidly, the propagation coefficient is high, a large quantity of Camellia tamdaoensis Hakoda et Ninh seedlings can be obtained, and after about 5-6 months of management and protection, the grafted seedlings grow as high as 50-60cm.

The present invention discloses a film bilateral catchment anti-evaporability woody plants (including tree and shrub flower) planting and maintaining method. The said planting method comprises: down excavation planting hole for planting plants, putting seedling into the said planting hole, then burying soil; covering the catchment film with edge-incision and round hole on the said seedling root base, making the round hole surround seedling root base, sealing catchment film edge-incision, and then fixing the circumference of the catchment film at the edge of planting hole to form a low in the middle and high on the periphery pan shape, so as to form catchment space between catchment film and burying soil. The present invention has water-storage, water-preserving or anti-evaporability technical effect, suitable for afforestation and tending in arid area, and for planting and maintaining seedlings in city garden afforestation engineering, therefore improving the survival rate of afforestation and the preservation rate of seedlings.

The invention relates to a method for cultivating semi-annual high-rosin pinus massoniana lamb seedlings in nutrient bags, and belongs to the field of technologies for cultivating forest tree seedlings. The method includes steps of selecting garden land; preparing the garden land; selecting the nutrient bags; preparing nutrient soil; filling the nutrient soil in the bags; sowing seeds and accelerating germination of the seeds; transplanting seedlings into the bags; managing the seedlings; discharging the seedlings out of gardens. The method particularly includes that the nursery garden land is built in south regions of the south subtropics or tropical regions with sufficient sunlight, and the seeds and fine river sand are sufficiently and uniformly mixed with one another and are scattered in seedling beds; the nutrient soil is filled in the bags, then the seedlings are transplanted into the bags when seed cases of the seedlings are about to fall or soon after the seed cases of the seedlings just fall off, a series of seedling management measures including water management, fertilization and pest control are carried out, and then the seedlings can be discharged from the gardens when the heights of the seedlings reach 15cm at least and the ground diameters of the seedlings reach 0.15cm at least. The method with the technology has the advantages of short seedling cultivation period, low cost, neat seedlings and high survival rate.

The invention relates to a cultivation method for container grafted seedlings of fructus phyllanthi, belonging to the technical field of agriculture. The cultivation method comprises the following steps: selection of containers for seedling raising, preparation of a substrate, bagging and placement of the containers for seedling raising, erection of a sunshade awning, seed sprouting and sowing, erection of a small plastic film shed, management and protection of seedlings, rootstock selection and treatment, scion collection, grafting as well as management and protection of grafted seedlings. Testing results indicate that compared with other fructus phyllanthi grafted seedling cultivation technologies, the cultivation method disclosed by the invention has the advantages of simple and convenient operation, good and stable seedling quality, low seedling culture cost, good afforestation effect, cleanliness, environmental friendliness and the like, effectively solves the production problems that the survival rate is low in bare-rooted forestation of fructus phyllanthi, the grafted survival rate is low when the fructus phyllanthi seedlings are grafted after being put into the containers for seedling raising, and the afforestation survival rate is low because of serious root system damage when container grafted seedlings cultivated according to a traditional technology are out of a nursery garden, and has a broad application prospect in the production.

The invention relates to a method for rapidly culturing colorful tree and broad-leaved tree seedlings in a container for forestation, which comprises the steps as follows: 1, choosing uncontaminated and full smoke tree seeds and steeping the smoke tree seeds in clean water for storing in sand; then after supplementing water to the smoke tree seeds in spring, sowing the smoke tree seeds after 70 percent of the smoke tree seeds open mouth to sprout; 2, bedding and placing the smoke tree seeds in basins; 3, raising seedlings: sowing the sprouted smoke tree seeds in a seedling basin by a spot seeding method with temperature being controlled at 15-28 DEG C and the humidity at 60 percent, covering the smoke tree seeds with sand, spraying the smoke tree seeds and finally covering the smoke tree seeds with a row cover; then performing thinning, watering, dressing, pinching and preventing disease and insect pest; and 4, foresting. The invention realizes the purposes of raising seedling and forestation in the current year to avoid natural drought, prolongs the forestation time, has no growth delaying period, reduces the forestation cost, increases the emergence rate in unit area and improves the survival rate of forestation.

The invention provides a carya illinoensis nutrition bag seedling cultivation method. The method includes: mixing perlite, wood flour, slow release fertilizer and field mud according to a mass ratio of (4-5):(9-11):1:(2-4) to obtain a matrix, removing water to keep the relative humidity of 45-55 after the matrix is subjected to sterilization and deinsectization in water, soaking carya illinoensis seeds in gibberellin with the concentration of 400ppm for 5-8 days, storing the soaked seeds in sand for 6-8 days, then sowing the seeds stored in sand into a nutrition bag and covering the nutrition bag with arched film, removing the arched film when the rate of emergence reaches 45%-50%, watering, weeding, spraying insecticide and fertilizing after the arched film is removed, and grafting after the ground diameter of nursery stocks reaches more than 0.4cm. Cultivated carya illinoensis nutrition bag seedlings are complete in roots, survival rate of afforestation is high, land for seedling cultivation can be effectively saved, and seedling cultivation period is shortened, so that seedling cultivation cost is reduced, annual seedling cultivation can be realized, and seedling cultivation scale is larger.

The invention discloses a biological active fertilizer taking the branches and fallen leaves of poplar as raw materials and an application method thereof. The effective component of the biological active fertilizer takes the branches and fallen leaf crushed substances of the poplar and vermiculite as main raw materials. The preparation method comprises the following steps of: mixing the branches and fallen leaf crushed substances of the poplar and the vermiculite according to the volume ratio of 2:1, and then mixing into MMN liquid culture medium; inoculating multiple ectomycorrhizal fungus, and then uniformly mixing with biological active carbon, a biological organic fertilizer, a water retention agent and a biological active growth-promoting component under an aseptic condition to obtain a solid biological mycorrhiza formulation. Compared with the traditional biological fertilizer, the biological active fertilizer disclosed by the invention can obviously enhance the absorption of multiple nutrient elements of a plant root system, promote the growth of a seedling, enhance the tolerance and soil-borne diseases and insect pests resistant capacity of a plant on a drought environment, a saline-alkali environment, an impoverished environment, and the like, activate the beneficial microbes contained in rhizosphere soil, enhance the photosynthesis, enhance the carbon sequestration capacity of the plant, optimize the seedling quality and increase the market value.

The invention discloses a Chinese chestnut summer truffle mycorrhizal seedling culture method based on the symbiotic relation. The method specifically includes the following steps that semi-aseptic seedlings are cultured, and Chinese chestnut semi-aseptic seedlings are obtained through preparation; an inoculation solution and an inoculation matrix are prepared, and seedling culture trays are prepared; summer truffle inoculation treatment is performed; post-inoculation management is performed; the humidity of the matrix is controlled, proper ventilation is performed, and a certain temperature and a certain air humidity are kept; mycorrhizae are checked and planted outdoors. According to the culture method, the mycorrhizal seedlings can increase the survival rate of afforestation of Chinese chestnut trees; the mycorrhizae can increase the absorption area of root systems of the Chinese chestnut trees, promote growth and development of the Chinese chestnut trees and increase the yield of Chinese chestnuts; the Chinese chestnut summer truffle mycorrhizal seedlings achieve the overground and underground joint earnings, increase the utilization rate of land and increase the economic benefit per unit land area.

The invention discloses a sand afforestation technology comprising planting the nursery stock, spreading the plastic foil onto the backfill soil surface. The advantages of the invention are, the moisture evaporation around the sapling rhizome can be reduced, and the skin layer soil moisture can be improved.

The invention discloses a culturing and seedling-growing method of hard-branch cutting spikelets of teaks. The culturing and seedling-growing method comprises the following steps of selecting annual-good-clonaltissue culture seedlings as mother plants, cutting the trunks, and planting the seedlings in a garden; when the sprouts are 30-50cm, remaining two thick and strong symmetrical sprouts, removing residual sprouts; between August and September from the second year to the third year, collecting hard branches as cutting spikelets, carrying out seedling raising by cutting, finally shearing all the sprouts of the collected hard branches, and continuously culturing new cutting spikelets. The culturing and seedling-growing method disclosed by the invention has the advantages that the technology is simple, the operation is easy, the requirement for the implementing condition is not high, the management time in the seedling stage is shorter, and the seedling raising cost is low, so that the culturing and seedling-growing method is very suitable for being promoted and used in production; the cutting seedling is thicker and stronger, the root system is developed, the survival rate in forestation is high, and the growth of the current seedlings for forestation is faster, so that the forestation cost can be saved and the forestation quality can be improved.

The invention discloses a method for constructing a pinus massoniana close-to-nature mixed frost of a same age. The method comprises the following steps: randomly arranging and planting pinus massoniana, fast-growing broad leaf tree species and valuable broad-leaved tree species according to a ratio of (60-70):(20-25):(10-15). By adopting the method, conventional mixing modes are changed, biological characteristics of tree species are utilized, a mutual promotion function can be achieved, trees can grow in an approximate natural manner, relatively long economic and ecological benefits can be produced, relatively good practicability and operability can be achieved, and an effective way for promoting management of the pinus massoniana close-to-nature mixed frost can be provided. Therefore, the method is very wide in application prospect and applicable to large-scale pinus massoniana mixed forestation.

The invention relates to a Chinese torreya seedling raising method. The method mainly solves the problems of difficulty in Chinese torreya reproduction, low afforestation survival rate and low seedling growth speed in the prior art. The method is characterized in that the method comprises the following steps of collecting seeds (1), accelerating germination (2), raising seedlings (3) and grafting (4). As the technical scheme is adopted, Chinese torreya seed accelerating germination technology is improved, improved variety, rapid propagation, fast growing and early fructification are realized, and the Chinese torreya afforestation survival rate is effectively improved.

The invention provides a water retention agent and the application thereof in jatropha curcas forestation in arid-hot river valleys, pertaining to the technical field of plant growing. The invention comprises cultivation plots selecting, ponds digging, applying of the water retention agent and field plating. The Chinese commodity name of the water retention agent of the invention is Tudihanbaobei water retention agent, the cultivation plot is barren mountains and barren slope lands without water conservancy and irrigation; field planting is conducted in May to October, the rain season; the size of the dug planting pond is 80 cm multiplied by 80 cm multiplied by 80 cm <3>; base fertilizer comprising 2 kg to 4 kg of well-rotted farmyard manure, 0.5 kg of calcium superphosphate and 0.5 kg of potassium sulfate is fertilized in each planting pond and a nursery stock is placed in the planting pond, 20 g to 30 g of water retention agent granules are put at the root of the nursery stock and then the soil is backfilled in the planting pond. The application of the water retention agent of the invention solves the problem of the low survival ratio of forestation in arid-hot river valley areas by adopting the traditional method of jatropha curcas artificial forestation; utilization of the invention can ensure that the survival ratio of jatropha curcas forestation in arid-hot river valleys reaches 95 percent to 98 percent, raising by 22.22 percent compared with the contrastive survival ratios on average, thus improving the yield and the benefit of forest lands.

The invention discloses organic fertilizer for saline and alkaline land transformation as well as a preparation method thereof. The organic fertilizer for saline and alkaline land comprises 42 to 48 parts by weight of animal waste, 12 to 14 parts of plant straws, 10 to 12 parts of tea powder, 8 to 10 parts of bagasse, 6 to 8 parts of seaweed powder, 4 to 8 parts of a pH regulator, 4 to 6 parts ofan adsorbent and 3 to 5 parts of a loosening agent, and also comprises 1 to 3 parts by weight of microbial agent and 0.01 to 0.03 part by weight of rooting powder. The animal waste, the plant straws,the tea powder, the bagasse and the seaweed powder are subjected to composting treatment, the pH regulator, the adsorbent, the loosening agent, the microbial agent and the rooting powder are added, and pelletizing is performed to prepare the organic fertilizer. The organic fertilizer can effectively improve the soil structure of the saline and the alkaline land, improve the soil fertility and reduce the salinity and alkalinity, cooperates with plant cultivation to improve the water-retaining property of the soil and prevent salt return, can improve the saline and the alkaline land durably andeffectively, and can change the desolate beach into the fertile land after being circulated for many times.

The invention belongs to the technical field of forest vegetation degrading evaluation, and is used for solving the problems of large scale range and inconvenient application of a conventional forest vegetation degrading evaluation method. The forest vegetation degrading level evaluation method comprises the following steps: 1, field investigation: 1.1, stand level degrading, and 1.2, individual plant level degrading investigation; and 2, indoor data processing and degrading level calculation: 2.1, stand level degrading level calculation, 2.2, individual plant level degrading grade calculation, and 2.3, general degrading level evaluation. The evaluation method provided by the invention has the beneficial effects that: by means of application of the evaluation method, the vegetation degrading degree of a construction area is scientifically and quantitatively divided, and different restoring technologies are selected according to the degrading degree, so that the forestation survival rate is comprehensively increased, and seedling after-culture and after-replace cost is saved. By the evaluation method provided by the invention, more remarkable social and economical benefits can be obtained along with comprehensive success of vegetation restoration and forestation construction in various regions.

The invention relates to funnel bottom fish-scale pit soil preparation technology and belongs to the technical field of afforestation soil preparation. The funnel bottom fish-scale pit soil preparation technology is characterized in that semilunar pits are dug on a steep barren mountain slope from top to bottom along a contour line and arranged in the shape of a Chinese character 'pin', and a vertical side of each semilunar pit faces the upper portion of the barren mountain slope while a semilunar face of the same faces the lower portion of the barren mountain slope; one side of each semilunar is the vertical side, the side, close to the vertical side, of each semilunar is semilunar, each semilunar pit is a funnel bottom with a large upper opening and a small lower opening, is fish-scale-shaped and is called a funnel bottom fish-scale pit, soil preparation specification of each semilunar pit is width of the upper opening x longitudinal width x depth=100cmx80cmx60cm, and specific specification can be changed according to factors like seedling specification and site condition. The funnel bottom fish-scale pit soil preparation technology has certain water storing capacity, and retaining of soil, water and fertilizer can be realized when trees are planted in the pits.

The invention provides an aquilaria-sinensis large-bag seedling cultivating method. Cultivating of aquilaria-sinensis large-bag seedlings is researched from the points of selection of the specification of large bags, the ratio of a matrix, the optimal shading rate, selection of fertilizers and the like. The result indicates that Chengmai foreign soil, burned soil, sand and phosphate fertilizers are used as raw materials of the matrix, and the mass ratio is 40:40:(10-30):(1-3). Non-woven cloth bags in proper sizes are selected, and the sunshade rate of selected shading nets ranges from 50% to 70%. Volfertile fertilizers are used as slow release fertilizers, the aquilaria-sinensis large-bag seedlings with the height of 1.5 m or above can be cultivated after 1-2 years of cultivation, and the survival rate can be 98% or above.

The invention relates to the technical field of afforestation and soil preparation and particularly relates to an afforestation and soil preparation method for rocky barren mountains in semi-arid regions. The method comprises the following steps of: digging trenches: digging the trenches around the mountain along the contour line of a slope and separating surface soil from subsoil; building soil dams: piling the soil dams by subsoil along the extending directions of the trenches at the lower edges of the trenches; surface soil backfill: backfilling the surface soil to the trenches; and planting hole setting: setting the planting holes according to plant spacing in the trenches and adding mixed soil mixed by carrying soil, subsoil and surface soil in the planting holes, wherein the mixing proportion is as follows: carrying soil: subsoil: surface soil=1:1:1. According to the afforestation and soil preparation method for rocky barren mountains in semi-arid regions provided by the invention, the trenches are dug around the mountain, so that the soil preparation extent is great, the site conditions are obviously improved, and the water collecting effect is further quite remarkable. By adding the carrying soil, the soil nutrient condition of the planting holes is greatly improved, and the survival rate of afforestation and the volume of forest tree growth are effectively improved.

The invention discloses a non-woven fabric container cutting seedling raising method of Fraxinus velutina twigs. The non-woven container cutting seedling method includes the following steps: (1) preparing cutting media: the cutting media are formed by preparing the following raw materials according to the volume percent: 15-25% of perlite, 5-15% of vermiculite, 65-75% of turfy soil, 2-7% of bagasse and 3-8% of saw dust, and spraying carbendazim solutions on the cutting media for disinfection; (2) preparing rooting agents: dissolving 100-400mg naphthylacetic acid in 40-50mL 95% ethyl alcohol, filling in 20-30mg 2,4-dichlorophenoxyacetic acid, 5-10mg zinc nitrate, 5-10mg nitric acid molybdenum, 5-10mg lanthanum nitrate and 40-50mg boric acid, filling in water until the solutions are at 1,000mL, and evenly mixing the solution; (3) preparing and treating cutting slips; (4) inserting the cutting slips into the cutting media, wherein the cutting depth is 8-9cm; (5) moving the non-woven fabric seedling raising container into a greenhouse, and erecting a shading screen for shading, wherein the shading percentage is 60-70%, the indoor temperature is kept at 26-29 DEG C, and the humidity is kept at 85-90%. The non-woven fabric container cutting seedling raising method of Fraxinus velutina twigs improves the survival rate and ensures to cultivate robust high-quality seedlings.

The invention discloses a method for planting Limonium sinense and improving the soil fertility in a coastal sandy saline-alkali land. The method improves the coastal sandy saline-alkali land by digging deep trenches, performing drainage, irrigation, and salt elimination, applying an improved sandy saline-alkali land organic fertilizer to soil, and planting the Limonium sinense. The method of theinvention has obvious improvement on the survival rate of the Limonium sinense and the quality of the flowers, and an outstanding improvement effect on the whole sandy saline-alkali land is; and the improvement process is green and environment-friendly. Accordingly, the method is an application technology that is worthy of promotion in a large area.