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 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 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 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 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 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 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 moisture-preserved grass-proof ecological mat and a manufacturing method thereof. The mat comprises a branch shredded solidified material and a biodegradable mulching film used for covering the branch shredded solidified material. The central portion of the branch shredded solidified material is provided with a via hole used for a trunk of a sapling to pass. The biodegradable mulching film is provided with a through hole corresponding to the via hole in the position. The branch shredded solidified material is rectangular or rounded or polygonal. The biodegradable mulching film comprises an upper biodegradation film and a lower biodegradation film. The biodegradation time of the upper biodegradation film is longer than that of the lower biodegradation film. The biodegradation time of the upper biodegradation film is 3-5 years and the biodegradation time of the lower biodegradation film is 1-2 years. The moisture-preserved grass-proof ecological mat and the manufacturing method thereof have the advantages of being wide in application range, broad in application prospect, obviously moisture-preserved, water-conserved, warm and grass-proof, and greatly improving the survival rate of afforestation.

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 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.