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Method for pruning and training trees for singletree type forestation

A technology for forest trees and single trees, which is applied to the field of pruning and pruning of woody plants, can solve the problems of affecting the normal growth of photosynthetic reaction trees and the deterioration of light transmission conditions, and achieves increasing tree retention density, facilitating manual operation, and increasing seedling planting. The effect of density

Inactive Publication Date: 2007-10-03
杜宏彬
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Problems solved by technology

During the growth of this single-plant afforestation tree, 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 trees grow normally

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  • Method for pruning and training trees for singletree type forestation
  • Method for pruning and training trees for singletree type forestation

Examples

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Embodiment 1

[0031] Implement the pruning and pruning method of the present invention to Kudingcha (I. latifolia) ecological public welfare forest.

[0032] 1. Afforestation and planting: single-plant common afforestation and site preparation method, the spacing between plants and rows is 1.5 meters × 1.5 meters, and the planting density is 396 plants per mu. Planted in February.

[0033] 2. Pruning: For 2-5 year old forests, carry out light pruning, with the emphasis on cutting off the tips of strong branches (side branches).

[0034] Referring to Fig. 1, after pruning, make it into a conical crown, and the pruning surface and the ground intersect at an angle of about 75°. Referring to Figure 2, from the 6th year onwards, comprehensive pruning is carried out to make it a nearly cylindrical trapezoidal crown, and the angle between the pruning surface and the ground is about 85°. At the young stage, the crown width is 1.2 meters, and the crown gap is 30 cm; later, the crown width and its ...

Embodiment 2

[0039] Pruning and pruning of masson pine (P.massoniana) timber forest.

[0040] 1. Afforestation and planting: common afforestation and site preparation method for a single plant, the spacing between plants and rows is 1.15 meters × 1.15 meters, and the planting density is 504 plants per mu. Planted in March.

[0041] 2. pruning: pruning method and crown shape thereof are with embodiment one. At the later stage of juvenile period, 90cm of crown width and 25cm of crown gap were reserved; thereafter, the crown width and its gap were continuously adjusted and increased with multiple thinning.

[0042]3. Pruning: start pruning at the age of 5, and cut off 1 to 2 branches from the bottom of the trunk; when it is 7 to 9 years old, cut off the branches below the height of 1 meter from the main trunk. First thinning at 10 years old, 20% strength.

[0043] 4. Cultivation management: the same as embodiment one.

[0044] In this example, the masson pine timber forest in the 7th year...

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Abstract

A pruning method for the trees in a single-tree type forest features that the crown of each young tree is pruned to become conic shape in its early phase and then pruned to become cylindrical shape in its later phase or in its middle age phase while its branches are slightly pruned for improving its optical energy utilization rate.

Description

technical field [0001] The invention relates to a method for pruning and pruning woody plants, in particular to a method for pruning branches of single-plant timber forests and ecological public welfare forests to promote growth. Background technique [0002] Photosynthesis is the most important chemical reaction on the earth, and it plays a decisive role in the composition of crop yield. There are many green leaves growing on the canopy of timber trees, which are the place of photosynthesis and the source of dry matter. Therefore, the quality of the canopy is related to the speed of tree growth and the level of output. [0003] Pruning and pruning (pruning said in the present invention refers to cutting off a part of side branches; pruning is to remove whole side branches from the base, including thinning branches) is a common measure for obtaining a good tree crown, and is generally used It is used in fruit tree production and economic forests such...

Claims

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Application Information

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IPC IPC(8): A01G23/02A01G7/00
CPCY02P60/40Y02A40/22
Inventor 杜宏彬
Owner 杜宏彬
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