192 results about "Forest plantation" patented technology

The invention relates to an ecological compound planting method of Paris polyphylla, belonging to the technical field of plant cultivation. The invention utilizes that principle of the stratification of different plants and ecological niche space complementation, adopts the compound planting mode of spruce or Alnus nepalensis+ apple+ Paris polyphylla to improve the survival rate of Paris polyphylla and lower planting cost. The specific steps are as follows: after artificially planting spruce forests or Alnus nepalensis forests for two years, planting Amomum tsao-ko; after planting for one year, developing the ecological compound planting of the Paris polyphylla by the natural shade and water retention effect formed by an artificial forest and apples; reasonable management of a seedling stage and modes, such as reasonable fertilization, weeding, topping, bud picking and the like are utilized to realize the ecological compound planting of the Paris polyphylla. The invention has the advantages of simple operation, low cost, high benefit, small risk, land and labor saving, environment protection, easy popularization and high economic benefit, sets a good basis for artificial scale planting of the Paris polyphylla, has favourable economic benefit, social benefit and ecological benefit.

The invention discloses a high-efficiency tea-oil tree forest building method and relates to the technical field of economic forest plantation. The high-efficiency tea-oil tree forest building method comprises the following steps of: selecting and trimming built forest, performing soil improvement, performing soil culture and building the tea-oil tree forest. The high-efficiency tea-oil tree forest building method has the characteristics of improving the soil performance and the soil fertility and rapidly building high-quality and high-yield tea-oil tree forest, is suitable for building the tea-oil tree forest in all tea-oil tree plantation areas, and can be used for rapidly building other economic forests suitable for acid soil plantation.

The invention discloses enhanced high-temperature heat treated wood and a manufacturing method thereof. The manufacturing method comprises the following steps that 1, high-temperature heat treatment is performed, wherein man-made forest wood serves as raw materials, and high-temperature heat treatment is performed on the man-made forest wood to obtain heat treated wood; 2, impregnation enhancing treatment is performed, wherein the heat treated wood obtained by the step 1 is impregnated in resin adhesives to obtain impregnated wood; 3, solidification forming treatment is performed, wherein solidification forming treatment is performed on the impregnated wood obtained by the step 2 to obtain the enhanced high-temperature heat treated wood. According to the manufacturing method, not only can the mechanical properties of the wood be improved, but also the size stability of the wood can be improved, green and environmental protection are achieved, and the prepared enhanced high-temperature heat treated wood takes the man-made forest wood as the raw materials and is high in mechanical strength and good in size stability.

The invention provides a structural plywood for a wood structure building and a manufacturing method thereof. The structural plywood consists of 3 to 9 layers of log rotary cut veneers which are assembled according to odd layers and then subjected to gluing and hot pressing; a surface board and a back board of the plywood consist of one to two layers of veneers with the thickness of between 1 and 3.0 millimeters, and the moisture content of the veneers is between 6 and 12 percent; the thickness of a core layer veneer positioned between the surface board and the back board is between 3.0 and 8.0 millimeters, and the moisture content is between 2 and 12 percent; and the thickness and the moisture content of the veneers are based on the veneers before hot pressing, and the hot pressing shrinkage ratio of the plywood is smaller than 30 percent. The plywood is formed by gluing and hot pressing thick veneers, in particular formed by compounding artificial forest lumber with lower and middle densities, has the characteristics of small density and light weight at the same time of improving performance, reduces use amount of an adhesive, and is particularly suitable for light wood structure buildings.

The invention relates to a mountainous area non-reclaimed slope water-collecting and fertilizer-maintaining forest medicine ecological combined method and belongs to the technical field of plant cultivation. The method is the improved method and is characterized in that equidistant horizontal tabletops which are internally tangent and externally cushioned are overturned and dug on a slope along a contour line from top to bottom, the width of the tabletops is 0.5-1 m, the height of the tabletops is 30-50 cm and the depth of soil is 15 cm; multiple layers of water-collecting and fertilizer-maintaining horizontal closure tabletops are formed along the slope; the table distance is kept to be 20-30 cm when the tabletops are overturned and dug, and gentle slope shrub and herbaceous plant belts between the tabletops are reserved; alnus nepalensis or cunninghamia lanceolata or fir with the height being 1.0-1.5 m is transplanted along the tabletops according to the spacing in the rows and the spacing between the rows, wherein the spacing is 2*2 mm. Gentiana rigescen or salviae miltiorrhizae is selected to be planted for 3 years, paris polyphylla or rhizoma polygonati is selected to be interplanted for 3-5 years, or rhizoma panacis majoris or pinellia ternate which is resistant to shade and damp is selected continuously to be interplanted for 3-5 years, and circulation plantation of varieties is performed according to the man-made forest plantation period or formed shading degree conditions. The mountainous area non-reclaimed slope water-collecting and fertilizer-maintaining forest medicine ecological combined method has the advantages of being easy to operate, low in cost, easy to popularize and friendly to the environment. A good foundation is laid for the development of medicine under a forest, and good economic benefits, ecological benefits and social benefits are achieved.

The invention discloses a management method for a eucalyptus tree man-made forest. The management method comprises the steps of: preparing a forest land: cutting up and retaining logging residues in the forest land, performing soil preparation, then digging plant holes, wherein during arrangement of the plant holes, every two narrow rows and one wide rows form a group, multiple same groups are arranged in sequence, and after the plant holes are dug, an organic fertilizer is applied to each plant hole; performing forestation: selecting clone eucalyptus trees and native tree species to perform forestation, planting the eucalyptus trees on the narrow rows, and planting the native tree species on the wide rows; performing tending after forestation; performing fertilization: and performing cutting and constructing a multiple layered forest. According to the management method disclosed by the invention, by virtue of the means of adjusting the structure of the tree species, improving fertilizing and tending manners and updating a cutting mode, the productivity and carbon stock of the eucalyptus tree man-made forest are significantly improved, the capabilities of emission reduction and sink increment of the eucalyptus tree man-made forest are increased, the economic benefit and ecological benefit of the eucalyptus tree man-made forest are improved, the forest land is fully utilized, water and soil losses and land capability decline are effectively prevented, and sustainable management of the eucalyptus tree man-made forest is realized.

The invention discloses a method for under-forest plantation of bletilla striata. The method comprises forest land treatments of the steps that a tall tree forest land is selected as a planting plot for seedling exercising and acclimation, wherein after plantation of 100-120 days, tissue culture seedlings grow into seed balls with different sizes, so that bletilla striata seedlings are obtained; and under-forest transplantation is carried out, wherein cake fertilizers treated by composting are applied into the planting plot, wherein the 0.5-1.0cm high robust bletilla striata seedlings without disease or insect attack are selected for the transplantation; and field management and harvesting are carried out. The method disclosed by the invention has the advantages of simple operations, low cost, easy promotion and environmental protection. A good foundation is laid for under-forest medicine development; and good economic, ecological and social benefits can be obtained.

The invention relates to the technical field of composite boards, and in particular to a secondary-shaped bamboo-wood composite board, comprising a veneer layer, a bamboo plywood layer, and a bamboo curtain layer. The bamboo-wood composite board is characterized in that: the veneer layer includes a vertical-texture eucalyptus wood veneer, a horizontal-texture eucalyptus wood veneer or a vertical fir wood sheet; the bamboo plywood layer includes a second bamboo plywood layer or a third bamboo plywood layer; and the bamboo curtain layer includes a vertical bamboo curtain, a horizontal bamboo curtain or a bamboo mat. Wood in our country and from around the world, such as various coniferous wood and broad-leaved wood in natural forests and planted forests as well as bamboo, a resource with the advantages of fast growth, short cycle, being selectively cut every year and long time of sustainable utilization, can be effectively used. By using the materials compositely based on scientific design and reasonable combination, the problem of hardwood shortage around the world can be solved, and qualified passenger car floors, container floors, truck fences and the like can be mass produced.

The invention discloses a building method for hybrid high-yield tea-oil trees and relates to the technical field of economic forest plantation. A hybrid row with interplanted hybrid plants is arranged at intervals of each two to five rows of tea-oil trees in the tea-oil tree forest; a hybrid plant is planted at intervals of each two to five tea-oil trees in the hybrid row; the rest is conducted as the same. A building process comprises steps of first, selecting a forest land, second, applying fertilizers to the land, third, tidying the forest land soil after fertilizer application, fourth, digging caves, fifth, transplanting and sixth, managing the forest, wherein the second step comprises primary fertilizer application, second fertilizer application and third time fertilizer application. The building method is characterized by improving pollination conditions and increasing tea-oil tree yield; and the method can be applied to novel tea-oil hybrid forest planted in barren hills suitable for forestation with gradient of 15 degrees.

The invention relates to a method for modifying saline-sodic soil, especially to a method of modifying saline-sodic soil through the unidirectional downward shift of the salt in soil, comprising the following steps: constructing annular stationary pool on the surface of the low-level saline-alkali land, setting water-guiding pore lower than the surface out of pool on the wall of the stationary pool, digging the surface inside pool and making it lower than that of out of pool, filling covering material in the stationary pool, with the upper surface higher than the top of the stationary pool wall. The invention solves the problems of only suited for the treatment for episodic soil modification or for light saline-alkali land by current technique, reducing the salt content in the plant root area but not making salt upward shift, preventing salt out of pool brought by wind dropping in the pool and increasing the salt content, the cost of the covering material is low and easy to get. Forest plantation or fell-plant plantation can be carried out in saline-alkali dry and virgin land with salt content higher than 0.5%; the method is especially suited to be applied in areas with the groundwater level higher than 1m.

The invention discloses an interplanting method for tea-oil trees and mulberry leaves and relates to the field of economic forests plantation. The interplanting process comprises the following steps of first, selecting a forest land, second, flattening the forest land, third, improving the soil on a large van scale, fourth, improving the soil on a small van scale, fifth, interplanting, sixth, managing the forest, seventh, trimming and eighth, managing others. The second step comprises the following sub-steps of filling a pit, ploughing deeply, improving the stand condition and building vans; the third step comprises the following sub-steps of compounding soil improvement agents, preparing the soil improvement agent, and utilizing the soil improvement agents; the interplanting step further comprises steps of selecting seedlings, digging small vans, digging large vans and transplanting; and the forest managing step further comprises managing mulberry young tree belt and managing tea-oil young tree belts. The interplanting method for the tea-oil trees and mulberry leaves is characterized by high yield and great quality; the method is suitable for plantation of new tea-oil trees and mulberry leaves in barren hills suitable for aforestation with gradient less than 15 degrees; and the method is also suitable for improvements of tea-oil tree with low yield, old tea-oil trees with more than 20 years of growth, or other forest.

The invention discloses an eucalyptus routing fiber board and a manufacturing method thereof. The method uses eucalyptus wane as a main raw material and comprises the following steps: chip preparation, wood chip steaming, fiber preparation, wax applying, glue applying, molding pre-pressing and hot-pressing, and therefore obtaining the routing fiber board. The routing fiber board per cubic meter comprises the following raw materials by weight: 1200kg of wane chips, 4.0-4.5kg of paraffin wax, 205-210kg of an adhesive and 2.0-3.0kg of a steaming auxiliary agent. The method prepares the eucalyptus routing fiber board by using fast-growing eucalyptus wane with the poor quality, solves the problems of deficiency of high-quality wood and high production cost of the routing fiber board, improves the utilization value of the logging residues of fast-growing eucalyptus wane man-made forest, increases the income of farmers and the economic benefit of enterprises, realizes the wish that high-end products are made of low-end raw materials, and has good economic and social benefits.

The invention relates to a method for promoting litters to decompose through microrelief modification, which comprises steps of expanding tree pits, collecting the litters, spraying microbial inoculums, covering the tree pits, irrigating and the like. The method creates proper microenvironment for decomposing the litters by adding the microbial inoculums and a C/N ratio regulator and modifying microrelief in the forest land so as to achieve the aim of quickly decomposing the litters. The method solves the problems of slow natural decomposition of litters of artificial forests, prominent fire hazard and potential nutrient loss in northwest arid areas, the simple, practical and effective technology of quickly decomposing the litters of the artificial forests in the arid areas is provided, and a novel method is provided for close-to nature management technology for the artificial forests. The method is simple and safe, is not limited by external environmental conditions, and can quickly and timely decompose the litters to increase soil organic matters and available nutrient in the forest land.

The invention discloses soil insecticide prepared from sapindus mukorossi gaertn.and relates to the technical field of forest plantation.The soil insecticide is prepared from, by weight, 8-13 parts of sapindus mukorossi gaertn., 15-20 parts of leaves of clausena dunniana levl., 15-20 parts of leaves of lllicium anisatum, 10-15 parts of Chinese honeylocust fruit powder, 10-15 parts of rapeseed dregs, 7-11 parts of volcanic ash, 6-10 parts of rice bran wax, 6-10 parts of tobacco stems, 5-8 parts of tea-oil tree fruit dregs, 5-8 parts of eucalyptus oil, 4-6 parts of calamine, 3-5 parts of Chinese honeylocust spines, 3-5 parts of asbestos powder, 3-5 parts of semen raphani, 2-4 parts of rhizoma cimicifugae, 2-4 parts of rosin, 1-2 parts of resina liquidamberis, 1-2 parts of cattail pollen, 0.5-1 part of mirabilite and 60-80 parts of water.The soil insecticide has the advantages of being small in using dosage, quick in effectiveness and long in insecticide effect, insets in soil can be effectively killed, the soil cannot be polluted, the physical and chemical properties of the soil cannot be destroyed, normal growth of plants cannot be influenced, when used, the soil insecticide can be directly mixed into the soil, and certain water retention and fertilizer retention effects can be achieved.

The invention relates to a production increasing method for mycorrhizal edible fungi in forests, which comprises the steps of: eliminating non-target host plants and mycorrhiza of non-target mycorrhizal fungi in a forest on the premise of identifying and positioning bolete host plants and mycorrhiza distribution area in a traditional artificial forest or a natural forest, and supplementing mycorrhiza seedlings inoculated with the bolete. The updated treatment technology is beneficial to faster enlarging fungal distribution ranges and fungal dominance degree in the traditional forest land producing the bolete so as to connect bolete ponds in the forest into a whole, thereby further greatly improving the yield of the bolete.

The invention discloses a preparation method of silicate flame-retardant compact wood, and belongs to the technical field of preparation methods of flame-retardant compact wood. According to the invention, a compact laminated wood structure is formed through wood component removal, silicate permeation, high-temperature hot pressing and other steps, so that the problems of free formaldehyde release, and high brittleness, high cost and the like of impregnated modified materials are thoroughly solved while the loss resistance of flame-retardant components is improved, and the mechanical strengthand the flame retardance of wood are remarkably improved; the method is low in cost, simple in process, free of expensive resin synthesis devices, low in impregnation pressure, easy to control and short in drying period; no formaldehyde is released, so that the environmental pollution is reduced; the strength, the toughness and the flame retardant property of the wood are improved; and the methodhas high reference value for man-made forest low-quality wood reinforcement-flame-retardant modification, and is suitable for popularization and application.

The invention discloses topdressing for fostering eucalyptus. The topdressing is used for fertilizing eucalyptus plantation, and is prepared from raw materials of macroelements of nitrogen, phosphorus and potassium, and microelements of calcium, magnesium, silicon, boron, zinc, copper and molybdenum by the processes of crushing, mixing, pelletizing and the like; the topdressing for fostering eucalyptus comprises the following effective components by weight percent: 18-32% of nitrogen, 3-12% of phosphorus pentoxide, 8-22% of potassium oxide, 5-12% of calcium oxide, 1-5% of magnesium oxide, 2-5% of silica, 0.01-1% of boron, 0.01-1% of zinc, 0.01-1% of copper, and 0.001-0.1% of molybdenum. Correspondingly, the invention also discloses a fertilizing method of the topdressing for fostering eucalyptus. By adopting the topdressing, kinds of necessary nutrients for eucalyptus growth can be met, the fast-growing advantages are fully developed, unnecessary waste of fertilizer nutrients can be reduced, the disease resistance, the wind resistance and the cold resistance of the eucalyptus can be enhanced, and scientific fertilization can be achieved.

The invention belongs to a resin type silicate wood modifier and a preparation method of a modified material of the modifier. According to the preparation method, the resin type silicate wood modifier is prepared by taking melamine, formaldehyde, urea and soluble sodium silicate as main raw materials as well as respectively taking polyvinyl alcohol and diethylene glycol as a toughening agent and a stabilizer; the resin type silicate wood modifier can be stably stored for a long time and can be repeatedly recycled. The modifier has the advantages that the dimensional stability, the density, the surface hardness, the anti-bending strength, the anti-bending elastic modulus, the impact toughness and the wear resistance of artificial forest wood processed by virtue of the modifier are substantially improved, the modifier has the advantages that the flame retardance and environment-friendly effect are achieved, no pollution is caused to a human body and the environment, the leachability resistance of the modifier in the processed wood is improved, and the application value of the artificial forest wood is improved.

The invention discloses an under-forest konjak annual plantation method comprising following steps: (1) forest land selecting; (2)wild konjak ecological environment imitating; (3) forest land reclaiming; (4) konjak cormlet selecting; (5) konjak cormlet disinfecting; (6) sowing; (7) weeding; (8) konjak planted forest land overwintering; (9) harvesting. The method adopts under-forest plantation of konjak to realize the original ecological planting from the forest to the forest, and creates the habitat close to the origin of the konjak, satisfies the requirement on external environment for konjak; the purposes of healthy planting and healthy growth are fulfilled. The method of under-forest plantation of konjak has advantages such as good growth condition, low water content in seed konjak, and safe overwintering in forest land; the konjak can be directly transplanted in field in the second spring, the seed konjak has good quality, low bacterium, and high emergence rate; there is no need to harvest seed konjak in the autumn and to winter indoor, which is labor saving and reduces production processes.

The invention discloses a resin composition for modifying wood, a method for preparing the same and application thereof. In the method, aldehydes and organic compounds containing nitrogen undergo hydroxymethylation under the weak alkali condition according to a molar ratio of between 0.5 and 2.5:1 to obtain a low-molecule urea-formaldehyde resin prepolymer which has the characteristics of low viscosity, good water solubility, high storing stability and the like, meets the using requirements of various trees on vacuum pressure impregnation, particularly the using requirements on the aspects of thickening low-grade artificial forest, adding functions and the like, obviously improves the size stability of wood, improves the physical and mechanical properties of wood, and overcomes the defects of cracking, deformation and the like, which are caused when the low-molecule urea-formaldehyde resin prepolymer is used. When used together with functional reagents such as a fire retardant, an antiseptic and the like which are good in water solubility, the resin composition can effectively improve the properties of wood in the aspects of fire retardation, anti-moth, rot resistance, antisepsis and the like.