761 results about "Trunk" patented technology

The invention relates to a 3+1 tree form of a pear tree and a shaping method thereof, belonging to the fields of pomology and fruit tree ecology. The tree form only has three main branches and a central trunk so as to be named as the 3+1 tree form. The tree form is small at the top and big at the bottom, thus branches on the upper part have small influences on the lower part, and the ventilation and light transmission conditions are good. Compared with a traditional small-crown sparse-layer pear tree form, the crown layer opening of the 3+1 tree form is improved by 14-18 percent; the fruit shape is big, and the quality is good; the content of a soluble solid state material in a fruit is improved by 0.8-1.2 percent compared with that in a small-crown sparse-layer fruit, and the high-quality fruit rate is higher than 90 percent; and the quality of fruits is good. The tree form has short and small crown and easy shaping, and the skeleton branch is directly connected with the branches, thus the tree form is convenient to manage and particularly suitable for Chinese pear varieties such as hosui pears, green-crown pears, yellow flower pears, Yuanhuang pears, Shingo pears, golden pears, and the like. The tree form is an ideal tree form for pear tree cultivation and has the characteristics of simplicity, convenience and easy application.

The invention provides a tree transplanting method. The tree transplanting method is used for processing the whole tree transplanting process to enable every step of the tree transplanting process to be provided with corresponding guaranteeing methods and measures, wherein the whole tree transplanting process comprises pre-transplanting pretreatment, digging, trimming, packaging, trunk wrapping, loading and transportation, planting, post-transplanting maintenance and the like. The tree transplanting method is particularly suitable for the tree transplanting for trees and rare plants, which have diameters at breast height above15-20cm. When the tree transplanting method is used, the survival rate of transplanted trees is greatly improved from 60-65% to 90-95%, so that the greatest effectiveness of the utilization of the limited resources is obtained.

The invention discloses a method and a system of three-dimensional reconstruction of a shape structure of trees in a leaved state. The method comprises acquiring three-dimensional point cloud data of trees and carrying out preprocessing and simplifying processing to obtain simplified three-dimensional cloud data set of the trees, carrying out organ segmentation to the simplified three-dimensional point cloud data set of the trees to obtain the three-dimensional point cloud data of each organ, wherein the three-dimensional point cloud data of each organ comprise the three-dimensional point cloud data of a leaf organ, the three-dimensional point cloud data set of a main trunk, the three-dimensional point cloud data set of a main branch and the three-dimensional point cloud data set of a sprout, extracting the frameworks of limbs of the trees according to the three-dimensional point cloud data set of the main trunk, the three-dimensional point cloud data set of the main branch and the three-dimensional point cloud data set of the sprout and optimizing the frameworks of the limbs of the trees, carrying out meshing to the frameworks of the limbs of the trees to generate a three-dimensional mesh model of the limbs of the trees, classifying each limb of the frameworks of the limbs of the trees, and carrying out canopy three-dimensional reconstruction. The fast three-dimensional reconstruction of the shape structure of the trees in the leaved state is achieved, and therefore a method and a high-precision basic model support are provided for the structural analysis of the canopies of the trees, the evaluation of the physiological and ecological characteristics and the like.

The invention provides a cuttage and propagation method of a twig of cyclocarya paliurus, which comprises the following steps: (1) cutting trunks and promoting the germination of a scion seed tree from the middle ten days of March to the middle ten days of April; (2) cutting a semi-lignified twig as a cutting spike from the first ten days of June to the first ten days of August, wherein the length of the twig is 10cm to 15cm, 5 to 6 small leaves are remained at the upper part of the twig, and the lower end of the twig is cut into oblique section; (3) dipping 500mg / L to 800mg / L of paste-like root growing agent of indolebutyric acid at the positions of 3cm to 4cm of the lower end of the cutting spike; (4) inserting the cutting spike in a light substrate consisting of carbonized pine bark and sawdust, wherein the cuttage depth is 4cm to 5cm; and (5) shading the cutting spike by a black sunshade net with the shading degree of 50% to 70% after the cuttage, and spraying and moisturizing the cutting spike by adopting an intermittent spraying method. 60 days after the cuttage, the rooting rate reaches over 80%. The method is simple and practical to operate and is suitable for large-scale cuttage; seedlings can effectively keep the excellent inherited characteristics of the seed tree; moreover, the effect of the quick vegetative propagation of improved seeds can be achieved.

The invention discloses a no-pollution standardized high-yield method for cultivating guava, which comprises the steps of field selection, orchard establishment, pruning of guava plants, solid manure management, water management, pest control, and flower and fruit management, wherein in the plant pruning, the plant is pruned into a short-trunk multi-bough round head shape so as to culture a stunting crown; in the solid manure management, basic manure and supplementary fertilizer are combined, wherein the basic manure is applied by combining deep tillage after harvesting in spring, the supplementary organic fertilizer is applied in time after fruit setting, and trace elements are supplemented by spraying fertilizer on the foliage; in the water management, weeds are covered within the range of crown to preserve moisture, and the water-saving irrigation system combining spray irrigation and trickle irrigation is utilized; in the pest control, the comprehensive agricultural measures are utilized to cooperate with spraying of high-efficiency low-toxicity low-residual pesticide, orchard management in winter and spring is actively developed, and physical pesticide control technology is popularized; and in the flower and fruit management, flower thinning and fruit thinning are carried out according to the tree vigor and nutritional status, and the fruits in the whole orchard are filled in bags. The invention has the characteristics of low pesticide residue, high fruit quality and low environmental pollution.

An invertible decorative tree having sections that are each provided with complementary receiving and associating mechanisms. The sections include a stand, a trunk segment, at least one tree body and a tree top. Through the complementary relationships of the receiving and associating mechanisms, the tree can be arranged to provide a triangular appearance with its apex at the top or its apex near the bottom. In order to provide for this inversion, the tree top must be equipped to connect with the trunk segment or with a tree body segment.

The invention discloses a cultivation method of pear trees. The cultivation method of pear trees includes the first step of selection of a planting site; the second step of fertilizer application, wherein base fertilizer is the basis in combination with topdressing and leaf fertilizer; the third step of pruning, wherein the tree form of pear trees is of a trunk double-layer center opening shape or three-bough natural center opening shape; the fourth step of management of flowers and fruits, wherein the percentage of fertile fruits is improved, flowers and fruits are thinned, fruits are sleeved with bags, pests and diseases are controlled, and water drainage and drought resistance are taken into consideration; the fifth step of harvesting. According to the cultivation method of pear trees, the tree form of pear trees is of the trunk double-layer center opening shape or three-bough natural center opening shape, and artificial pollination is adopted in the flower and fruit management process, so that the percentage of fertile fruits and the effect of flower and fruit thinning are improved, newly planted young pear trees can early bear fruits, and the percentage of fertile fruits is improved, the farm manure is the main fertilizer and applied heavily and cleverly, and therefore the quality of fruits is improved, fruits are big, the yield is high, and economical benefits are good.

This invention published a cultivate and manage method about the 'one side down' of a fruiter when cultivate in protective area after planted the fruiter in spring, put the stem incline to the ground and keep 35 to 45 degree angle with the ground in July of the year. When cultivate in wild area, incline the stem of fruiter about 65 to 75 degree angle with the ground. If the fruiter planted in the south and north line, incline to west. If the fruiter is planted in the east and west line, it will incline to south. After planting fruiter, keep a single stem in favor of manage. Make the plants incline to one side by shaping and maintain the trunk distance 0.8-1 m and the row distance 1.8-2 m, and on-earth trunk distance 1-1.3 m and row distance 2.5 m. The invention has a lot of characteristics including high productivity, high quality and well management. Therefore, it has a good market profit.

The invention discloses a three-no one-high method for cultivating nectarines in a greenhouse, which is a method for cultivating nectarine trees which have no trunk, no multi-layer boughs, no side branches at high planting density, namely, the trees are cultivated to grow only boughs with no truck, no multi-layer boughs, no side branches, the boughs grows into fruit branches directly, the whole trees are in a fish-bone sector shape, and the planting density that the row spacing is 1.6 to 2.8 meters and the planting spacing is 0.75 meter. The cultivation method makes full use of sun light for photosynthesis together with the sufficient nutrients supplied to the nectarine trees by the soil and reduces the nutrient consumed by the nectarine trees for growth and respiration, thereby reducing the time for fruit bearing, improving the fruit output, enhancing the appearance of the fruit and facilitating the management of the fruit trees.

A transplanting method of extra-large ancient cypresses belongs to the field of transplanting technologies of large trees and includes the steps of firstly, measuring soil; secondly, detecting roots; thirdly, performing balance pruning; fourthly, breaking roots twice, and treating the roots; fifthly, sterilizing; sixthly, protecting trunks; seventhly, digging and binding soil beds; eighthly, lifting and transporting soil balls; and ninthly, treating planting environments, and planting. By scientific transplanting and maintenance management according to the transplanting method of extra-large ancient cypresses, new water balance systems are established after the ancient cypresses are transplanted, survival and germination of a great quantity of roots and shoots are ensured, healthy growth of the ancient cypresses is promoted, and the cypress trees grow are numerous in roots, branches and leaves. In order to guarantee healthy growth of the ancient cypresses, the ancient cypresses are maintained and rejuvenated scientifically 4-6 years after transplanting. The soil balls are packed and transported with specially made structural steel frames in bowled basket structures, firmness of the soil balls is guaranteed maximally, use is facilitated, and survival rate of the transplanted trees is high.

The invention discloses a multi-main-branch open center tree shape of a pear tree, and belongs to the field of pruning of fruit trees. The trunk height of the tree shape is 0.7 to 0.9 meter, the central trunk height is 1.7 to 1.9 meters, 7 to 9 main branches are uniformly grown on the central trunk, and medium and small branch groups are directly grown on the main branches; the angle between each main branch and the central trunk is 70 to 80 degrees; and the thickness of a leaf curtain is 1.8 to 2.3 meters, and the height of the tree is 2.2 to 2.7 meters. The intervals of the medium branch groups on the main branches are 50 to 70 centimeters, and the intervals of the small branch groups are 10 to 20 centimeters. The tree shape has the advantages of simplicity and convenience in pruning, quickness in formation, earliness in fruiting, convenience in management, good ventilation and light transmission conditions and the like.

The invention belongs to the technical field of fast propagation of plants, comprising the following steps of: (1) building a sterilized seedling bed on a selected propagation place, laying sterilized substrate in the seedling bed with sterilized cutting substrate of turfy soil, perlite and vermiculite concrete; (2) selecting healthy 1-2 years of seedlings with no damage by disease and insect or young trees as seed tree for collecting roots, digging a semicircular groove with a distance of 0.5m from the trunk, excavating the side root with the diameter of 1-3cm as propagation material and trimming the side root into root sections of 3-5cm; (3) soaking the trimmed root sections in carbendazim solution for sterilizing, adopting IBA+NAA solution as hormone, using ABT rooting powder solution to soak the base part for inducing the root; (4) inserting the root in the substrate of the seedling bed to lead the top end to be lower than the ground slightly and to be level with the ground after the soil is coated; (5) after cottage, covering the seedling bed with mulching films, sealing the periphery of the seedling bed, building tunnels on furrows and building overhead shade nets on the tunnels; and (6) after cottage, managing, transplanting and preventing damage by disease and insect.

The invention discloses a method for quickly improving the outplanting rate of culture of kiwi fruit seedlings. The method has the technical characteristics that seeds of delicious kiwi fruits (i.e. the hairy variety) are adopted. The method comprises the steps of: sterilizing soil of a seedbed five to seven days before sowing, and soaking the seeds in water with the temperature of 50-60 DEG C for two to three hours before sowing; sowing in the middle ten days and the last ten days of January, transplanting at the appropriate time of the last ten days of March and the first ten days of April when young seedlings have four to five leaves, extirpating one to two knots at the tips of rootstocks in the first ten days of June, removing coppice shoots 5-10cm at the base parts of seedling trunks in time to guarantee smoothness of the parts of the seedlings to be grafted, grafting single-bud branches at the venter of the rootstocks in the first ten days and the middle ten days of June to the first ten days and the middle ten days of July, breaking the rootstocks off in the last ten days of July and the middle ten days of August, reserving four to five knots above engrafting buds, and breaking off the rootstocks with only barks remained; shearing the rootstocks in the first ten days of September, reserving 4-5cm stumps during stock shearing, removing buds of the rootstocks in time after stock shearing, removing the buds and shearing the coppice shoots as soon as the buds and coppice shoots are come out, and promoting the grafting buds to grow vigorously in combination with the supply of fertilizers and water; and making the kiwi fruit seedlings reach the standard of outplanting at the end of the same year, wherein the rate of outplanting in the same year reaches 80 percent to 90 percent.

The invention relates to a reshaping and cultivating method for a peach tree with a single trunk and two main branches. The reshaping and cultivating method specifically comprises the following steps: planting a plantlet at a 1.4m-1.6m position of the height of the trunk; selecting and remaining two strong branches or strong buds which are cultivated into two main branches reversely growing along the rows at a basal angle of 30 degrees; fixing the main braches on a horizontal shed frame when the main branches reach racking points, and inducing the extended branches of the main branches to an inducing rod which forms an 30-degree angle with the shed frame, wherein extended fruiting branch groups which are in parallel arranged and vertically extended into the rows are provided on the main branches; and gently and slowly pushing, binding and fixing the two main branches to the flat shed frame surface in autumn of the next year. The reshaping and cultivating method disclosed by the invention can be used for controlling the dryness advantages of the tree body, is quick in crown forming speed and capable of generally completing the crown structure cultivation 2 years after the planting to begin to enter into an initial fruiting period.

The invention relates to a summer black grape single-trunk dual-main-branch shaping and two-bud trimming cultivation method, which specifically comprises the steps that the top is removed when a field planted seedling sprouts and grows to certain height; after the top is removed, two deputy tips which come out from a tip end part are respectively and fixedly bound on iron wires on the surface of a shed frame along the row direction, the two deputy tips reversely grow along the iron wires, the grown parts are fixedly bound while the two deputy tips grow, the two deputy tips become the two main branches of a grapevine and so a single-trunk dual-main-branch tree shape is formed. During shaping and trimming in winter, a fruiting mother branch is cut back by reserving two full buds at a base. The summer black grape single-trunk dual-main-branch shaping and two-bud trimming cultivation method provided by the invention has the advantages that the method is standard and simple, the skeleton is clear, the operation is easy to conduct, the fruiting mother branch is not required to be bound after trimming in winter, the labor is saved, the demands on the iron wires are small and the cost is low.

The invention relates to a method for grafting and shaping tree bodies of perennial seedling walnut trees. The method comprises following steps of: (1) selecting seedling walnut trees at tree age of more than 5 years as stocks, adopting an improved bark grafting mode in such a manner that scions are connected to stocks, dewatering outlets are arranged right under vertical knife edges of the stocks to the depth of xylem parts, diversion pipes are inserted to the dewatering outlets, scions and stocks are sealed and bound, the dewatering outlets and the diversion pipes are sealed and bound; and (2) shaping after grating. The method for grafting and shaping tree bodies of walnut trees has following beneficial effects: prior to grating, water is drained off on main trunks in order to reduce impact of root pressure upon upper main brunches on the ground in order to be favorable to graft union; grating survival rate is increased; the diversion pipes are inserted in directions facing the stocks of scions so that water is completely drained off; technology of the diversion pipes is adopted in order to reduce breeding influence during grating and comprehensively increase survival rate of walnut grating; and seedling walnut trees can be produced prematurely and stably in high yield.

The invention relates to cultivation of an artificial rare hollow tree, belongs to the gardening technology for manufacturing the rare hollow tree artificially in agriculture, forestry and farm production, and relates to a method for an artificial tree. When the rare hollow tree is manufactured artificially, a plurality of plants of treelets which are transplanted in field for 1 to 2 years are divided into two groups, and are adducted and inarched and bundled by buckling on each section in a positively and negatively spiral mode on the basis of 60-degree inclined planes until the required height is reached. The treelets are grown to be adducted naturally, and absorb nutriments by transferring water mutually. The appearance characteristic of the formed artificial tree include: triangular hollow leak holes are formed on multiple inclined planes at the periphery of the trunk, the middle of the tree is hollow, and branches and leaves are the same as those of the conventional tree (seen in the figure 3). In the artificial rare hollow tree, the process from manufacturing to sale is 5 to 10 years generally. The artificial rare hollow tree is suitable for the ornament planting of garden landscapes, the defect of insufficient rare trees at present is overcome, and the abundant garden art and culture is increased.

The invention discloses a wedge-shaped scion grafting propagation method for olea europaea L.. The method includes the steps of stock selection, scion collection, scion treatment, scion storage, grafting and management after grafting. The method includes the specific steps that annual or biennial seedlings or cutting seedlings which are robust in tree body growth, intact in trunk, free of pest and disease damage and high in land adaptability and affinity are selected to be used as the stock; the middle and upper portions of the peripheries of crowns of good-variety adult plants which are high in yield, stable in yield, robust in growth and free of pest and disease damage are collected, lignified and straight-through growth is achieved, and annual or biennial branches with full leaf buds are selected to serve as scions; splitting openings are pried open through a cleft grafting cutter, the scions are slightly inserted into stock slit gaps, and scion forming layers are made to align stock forming layers; the upper ends of the scions are scabbed in crude by 0.2-0.5 cm; connectors are wrapped upwards by plastic thin-film bars from the lower portions of the connectors after the scions are inserted. The survival rate of olea europaea L. seedlings grafted through the method reaches up to 80%, the good properties of seed trees are kept and continued, the stress resistance and adaptability of olea europaea L. nursery-grown plants can be improved obviously, the tree vigor can be recovered, and varieties can be updated.

Disclosed is a simplified tree form reforming method suitable for a high-density jujube orchard. Since the grafting year of direct seeding and orchard building or the planting year, by about five-year continuous reforming, a jujube head form tree is formed with tree height of 2.5-3.5 meters, branch spreading of 1-1.5 meters, central trunk bending upwards, and 10-20 bending horizontally stretching fruiting branch groups directly inserted on the central trunk. The reforming method is suitable for wide-row dense-planting high-density jujube orchards (tree row space is 0.5-1.5m*3-4.5m), and simple in reforming. The reformed trees are slim and high, the branches are well-spaced without crossing, large row space can be guaranteed under high-density conditions, good ventilation and light permeability are achieved, high and stable yield and good quality are guaranteed, mechanical operation is facilitated, manpower for cutting is saved by more than 80%, and the problems that the high-density jujube orchard is prone to closing, complex to manage and the like are solved.

The invention discloses a method for retaining a trunk and molding a green date tree, and belongs to the technical field of fruit growing and management. The method comprises the steps of retaining the trunk and molding, wherein the step of retaining the trunk comprises the steps of: during cutting back of branches, cutting a branch, retaining 1.5 to 2.0m of the branch to serve as the trunk, cutting out the rest branches, and respectively grafting a green date bud on a cut section of each of four to six cut branches on the periphery of the trunk; and the step of molding comprises the step of respectively binding each first-level branch with the trunk on any part of the first-level branches between 0.5 to 1.5 m from the ground to form a mushroom tree structure, wherein the trunk becomes a natural and powerful support of the green date tree. Through the method, a single green date weighs 72 to 76g, which is improved by 41 to 48 percent than a contrast; the yield of a single plant is improved by 71 to 80 percent than a contrast; the sugar content is improved by 34 to 42 percent than a contrast; the tree shape of the green date tree has a reasonable structure; the illumination on flower and fruit branches is increased; and the fruit bearing rate and the yield of the green dates are greatly increased.

The invention relates to a high-quality labor-saving shaping cultivation method for a peach tree. The method specifically comprises the steps that after field planting is carried out, two strong branches or strong shoots are selected at the position 1.2-1.3 m high of a trunk of a seedling and cultivated into two main branches growing in opposite directions, wherein a base angle of 45 degrees is formed between the two main branches; a frame structure suitable for labor-saving shaping is put up, a cross arm 2 m long is horizontally erected at the upper end of each stand column 1.8 m high from the ground, six pull wires are arranged between the two sides of the cross arms in a pulled mode, a main pull wire is arranged between the positions, 30 cm below the cross arms, of the stand columns in a pulled mode, and the six pull wires and the main pull wire form a frame face together. When reaching the main pull wire, the main branches are fixed to the main pull wire, extending branches of the main branches are lured to luring rods forming a 45-degree angle relative to the main pull wire, and in autumn, the two main branches are pressed downward slowly to be tied and fixed to the main pull wire. According to the method, the branch advantage of a tree body can be controlled, a crown forms fast, crown structure cultivation can be finished in two years generally after the field planting is carried out, and then the tree begins to enter the primary fruit stage.

The invention relates to a sweet cherry high spindle shape and a training and pruning method of a sweet cherry. The standardized parameters of tree framework of the sweet cherry high spindle shape are as follows: the height of tree is 2.8 to 3.0m; the height of trunk is 0.65 to 0.75m; the number of skeleton branches is 35 to 40; the angle of each skeleton branch is larger than 90 degrees; the space between every two skeleton branches is 5 to 7cm; the length of each skeleton branch is less than 1.5m; the diameter of each skeleton branch is less than 4cm; the quantity of branches per mu is 27500 to 28500; the ratio of a long branch to a medium branch to a short branch is 2 to 1 to 8. The training and pruning method comprises the four steps of culturing a strong and vigorous central leader branch, promoting the central leader branch to germinate more lateral branches in a dropping state, and promoting the lateral branches to generate buds; enabling the central leader branch to continuously sprout lateral branches, and controlling the height of tree; controlling the buds on the back of the lateral branches; controlling lateral generation. According to the sweet cherry high spindle shape provided by the invention, seedlings are planted and high-yield tree shapes are built within three years, the branch distribution is reasonable, the density is moderate, ventilation and transmittance among rows of tree are good. Early-fruiting and high-yield are realized.

The invention relates to a drought-resisting and water-saving irrigation method for a dry-hot valley slope garden, belonging to the technical field of water-saving agriculture irrigation. The method comprises the step of: ditching along the row direction of the fruit trees in the garden, wherein the lengths of the ditches are the same with the lengths of each row of fruit trees, the depth of the ditches is 45-55 cm, the width of the ditches is 30-40cm, the ditches are parallel to the row direction of the fruit trees, the vertical distance between the ditches and the root parts of the trunks of the fruit trees is 50-60cm, membranes are arranged at two ends of the ditches for stopflow, straw bundles or cornstalk bundles are placed in the ditches, and the bundles are arranged 2-3cm higher than the ditch surface; measuring the water content in plough layer soil, wherein water is irrigated in the ditches when the water content of the plough layer soil is less than 30 percent, and water in the ditches permeates into the soil at the fruit tree roots to enable the water content of the plough layer soil to reach 50-60 percent; and laying a layer of straw or cornstalk on the moisture sides of the fruit trees, wherein the laying thickness is 2-5cm. The method has simple structure, simple and convenient operation, low cost, easily-obtained materials and strong adaptability and increases irrigation use ratio by 2.97 times compared with the traditional flooding.

Provided is a Chinese chestnut branch embedding grafting method. When stock or young trees reach the grafting standard, grafting is performed, and the grafting method includes the steps of scion grafting, two-incision grafting, management performed on the current grafting year and pruning of live tree columns. Because the cortical layers of seedlings of nursery land and the cortical layers of the young trees which are planted newly are thin, the branch embedding grafting method can effectively protect the critical layers of branches and trunks, and the method is simple, practical and high in survival rate. Through the method, coppice shoots, generated after grafting, of the branches and the trunks can be removed in time or bud picking is performed as soon as possible, loss of tree liquid nutrient is reduced, and grafted buds can grow healthily and strongly. The method is particularly suitable for cultivating grafting seedlings in the nursery land and being used in a Chinese chestnut orchard where the young trees are newly planted, and the method can also be used for grafting of the branches and the trunks, with thin critical layers, of adult Chinese chestnut trees and grafting seedling cultivation of other fruit trees.

The invention relates to a forestation method for fighting drought and relates to the technical field of large-area tree planting. The method is characterized by including planting trees according to the environment, preparing soil in advance, foresting with container seedling, foresting through mulching, foresting through cutting trunks, soaking roots before planting, and tending managing. The method is clear and simple in step, easy in operation, quite convenient, reasonable, simple to implement, and good in implementation effect.

The invention relates to a shaping pruning method for planting a tea-oil tree, which relates to a tree body management technology in the planting of the tea-oil tree, and particularly relates to a shaping pruning method of the tea-oil tree. In order to overcome the weaknesses of the prior art, the invention provides a shaping pruning method for shaping and pruning the tea-oil tree with two or more upright trunks and weak main branches, the trunks are reserved and shaped, the main branches are reserved, the crown breadth is enlarged, the ground diameter is increased, the height of the tree is adjusted, an ideal high-yield tree shape is formed, the diseases and insect pests can be reduced, the vigorous growth of the tea-oil tree can be promoted, the yield of fresh fruits is increased, and the tea-oil tree can bear the fruit one year ahead.

The invention relates to a method for cultivating fine dry seedlings of Chinese tallow trees, and belongs to the technical field of cultivation of woody plants. The method for cultivating the fine dry seedlings of the Chinese tallow trees comprises the steps of management after seedling emergence, final singling of the seedlings and pinching, secondary pinching, seedling toughening measurement, seedling protection through winter, budding at the beginning of spring, periodic maintenance, seedling drying, seedling outplanting and the like. By the adoption of the method for cultivating the fine dry seedlings of the Chinese tallow trees, adaptability and stress resistance of growing of the Chinese tallow trees are enhanced, the cultivation cycle is shortened, and the outplanting time of the seedlings of the Chinese tallow trees is shorter than that in the prior art by one year; meanwhile, the problems that the seedlings of the Chinese tallow trees are poor in dryness, not straight and substandard in under-branch height are solved, and the cultivated high-quality seedlings of the Chinese tallow trees are straight in trunk and standard in under-branch height.

The invention relates to a plant growing method, namely in particular to a fast growing method of rhododendron plants on changbai mountains. The fast growing method includes the following steps: (1) selecting rhododendron plant seedlings on Changbai mountains with height as 3.0-3.5cm and trunk diameter as 1.0mm; and (2) planting the seedlings in a feeding block of a mixed base material including 4 parts of turfy soil, 2 parts of decomposed pine needle, 2 parts of broad leaf, 1 part of vermiculite, 1 part of cow dung and 0.5 part of compound fertilizer, placing the seedlings into a small shed, tightly sealing the small shed through a plastic film, controlling illumination hour to be 9-15 h.d-1, illumination intensity to be 600-1300 / x and temperature to be 25-30 DEG C and applying nutrient solution every 7-22 days. The average growth rate of the rhododendron plant seedlings on Changbai mountains can reach over 142.4% after 45 days, and the seedling trunk diameter reaches 1.89-3.20mm in average. The method provides technical support for popularization and application of rhododendron.

A combined modelling of multiple ligneous plants is configured through planting 3-7 ligneous saplings in a pit, dividing their trunks into 3 groups, gradually braiding them in spiral mode, separating the branches from the combined trunk at different heights, and removing the cuticular layer from each trunk at each node.