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Method for pruning and training tree for four-tree and fleaban growing planting type forestation

A kind of plant and tree technology, applied in afforestation, horticultural methods, botanical equipment and methods, etc., can solve the problems of poor light transmission conditions, affecting the normal growth of photosynthetic trees, etc., to improve the canopy lighting coefficient and increase forest tree transparency. Effects of light, promotion of ecological balance and creation of mixed forest

Inactive Publication Date: 2007-10-03
杜宏彬
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  • Application Information

AI Technical Summary

Problems solved by technology

During the growth process of the above-mentioned afforestation trees, especially after the canopy is closed, the light transmission conditions in the forest are getting worse day by day, and the canopy lighting coefficient (the canopy lighting coefficient refers to the ratio of the canopy light receiving area to the land area) decreases rapidly, which seriously affects the photosynthetic reaction and the normality of the forest trees. to grow

Method used

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  • Method for pruning and training tree for four-tree and fleaban growing planting type forestation
  • Method for pruning and training tree for four-tree and fleaban growing planting type forestation
  • Method for pruning and training tree for four-tree and fleaban growing planting type forestation

Examples

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Effect test

Embodiment 1

[0033] Huangshan pine (P.taiwanensis) is carried out four-strain canopy planting and pruning pruning:

[0034] 1. Afforestation and planting: four-spot afforestation method, with 4 plants as a close-range planting of a canopy, the spacing between the plants is 70cm, and the distance between the canopies is 2.5 meters × 2.5 meters. There are 107 canopies per mu, and 428 young trees are planted. Planting time is early March. (See Figure 1)

[0035] 2. Pruning: In the early stage of young forest (1 to 10 years), it is pruned into a conical crown (see Figure 2); in the later stage of young forest (6 to 10 years), it is still trimmed into a conical crown (see Figure 3). From the beginning of the middle-aged forest (11 to 30 years), it is pruned into a cylindrical crown (see Figure 4). The length of the side branches between the groups is about 1 meter, and the gap between the crowns of the groups is about 41-50 cm.

[0036] 3. Pruning: In the late stage of young forest (6-10 ye...

Embodiment 2

[0042] Carry out four strains of afforestation trees and pruning and pruning of Chinese fir (C.lanceolata):

[0043] 1. Afforestation and planting: Cedar four-plant canopy planting forest trees, 4 plants per canopy, the distance between the canopies is 2.5 meters × 3.0 meters, and the distance between the plants in the canopy is 70cm. There are 89 canopies per mu, and 356 seedlings are planted. The planting time is mid-March (see Figure 1).

[0044] 2. Pruning: in the early stage of young forest (1 to 5 years), do not prune, and keep the conical crown (see Figure 2); in the later stage of juvenile forest (6 to 10 years), lightly prune, and still maintain the conical crown (see Figure 3 ); in the early stage of middle-aged forest (11-20 years), pruned into a nearly cylindrical crown with slightly longer lower branches and slightly shorter upper branches (see Figure 4); the length of the branches between the canopies is 1-1.2 meters, and the gap between the canopies 50cm.

[...

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Abstract

A pruning method for the trees in a 4 trees grouped forest features that the crown of each young tree in a group is pruned to become conic shape in its early phase, then pruned to become cylindrical shape in its middle phase, and a group is finally pruned to become rectangular shape with a quadratic bottom in its later phase or in its middle age phase while its branches in the group are pruned for improving the optical energy utilization rate.

Description

technical field [0001] The invention relates to a method for pruning and pruning timber forests, in particular to a method for pruning and pruning and increasing growth of four-strain awning trees. Background technique [0002] Pruning is one of the important technical measures for woody plants, especially economic tree species, to regulate and promote growth and improve yield. [0003] The pruning method of neem tree is to cut (cut) more than 1 / 3 of the tip during the dormant season of the tree, and when it germinates in the coming spring, remove the redundant side buds, and only keep the top bud to replace the main bud. shoot growth. [0004] Application number is 03116395.5 (publication number is CN1535565A) the invention patent application discloses a kind of Kuding tea seedling pruning method; It is for picking buds, cutting tips and cutting stems of Kudingcha seedlings; the invention patent application with application number 200510061442.8 is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G23/02A01G7/00
CPCY02P60/40Y02A40/22
Inventor 杜宏彬
Owner 杜宏彬
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