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[2] 何宗明（H index：42） ,陈清山,范少辉,杨旭静,应金花
[3] 何宗明（H index：42） ;范少辉;卢镜铭;杨旭静;翁贤权;
[4] 吴明（H index：34） ;邵学新;周纯亮;胡锋;
[5] 田明华（H index：30）
[6] 孙启武（H index：20） ,杨承栋,焦如珍
[7] 孙启武（H index：20） ,杨承栋,焦如珍
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WORLD FORESTRY RESEARCH. 1997, (04) Core

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The Reason and Control of Site Productivity of Chinese Fir PlantationsChinese Full Text

Yang Chengdong Research institute of Forestry, Chinese Academy of Forestry, 100091 Beijing, P. R. China.

Abstract: Chinese fir, Cunninghamia lanceolata Hook., is an important fast growing species for commercial plantations, about 24% of total plantations is established with this species in China. However, site index of Chinese fir plantations is decreased with rotations as this species is successively grown on the same site which leads to a great deal of research to approach to the reason and means to control. An attempt is made in this paper, from the point of view of the composition, structure, prope... More

Keywords：

杉木; 地力衰退; 原因; 防治;

Series：
(D) Agriculture
Subject：
Forestry
Classification Code：
S791

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