Influences of Thinning Methods on Structure, Growth and Competition of Chinese Fir Plantations.

Qin Jianhua; Ruan yichu; Jiang Zhilin; Ye Jingzhong.

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Volume 12 Issue 4

May 2019

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Article Navigation > Journal of Zhejiang A&F University > 1995 > 12(4): 360-366

Qin Jianhua, Ruan yichu, Jiang Zhilin, Ye Jingzhong.. Influences of Thinning Methods on Structure, Growth and Competition of Chinese Fir Plantations.[J]. Journal of Zhejiang A&F University, 1995, 12(4): 360-366.

Citation:

Qin Jianhua, Ruan yichu, Jiang Zhilin, Ye Jingzhong.. Influences of Thinning Methods on Structure, Growth and Competition of Chinese Fir Plantations.[J]. Journal of Zhejiang A&F University, 1995, 12(4): 360-366.

Influences of Thinning Methods on Structure, Growth and Competition of Chinese Fir Plantations.

1.
Nanjing Forestry University, Nanjiang 210037, PRC

Received Date: 1995-04-13
Publish Date: 1995-12-30

Abstract

This paper deals with the principles of the influences of thinning methods on the growth and ylelds of thinned stands. The stands are divided into three growth layers by relative diameter. The structure, the growth rates of basal area and the competition of thinned and unthinned stands are analysed, based on growth layers. The results show that the changes of the stand structure caused by thinning methods lead to the differences of growth and competition among thinned and unthinned stands. The stand thinned in mechanical way has the best structure, the highest growth rate and increment of basal area and the least competition.
- Chinese fir (Cunninghamia Ianceolara),
- planted forests,
- stand structure,
- stand growth,

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沈阳化工大学材料科学与工程学院沈阳 110142

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