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Scientia Silvae Sinicae ›› 2001, Vol. 37 ›› Issue (zk): 126-130.doi: 10.11707/j.1001-7488.2001S122

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DIFFERENCE IN GROWTH PROCESS OF CHINESE FIR BETWEEN CHINESE FIR-TSOONGIODENDRON ODORUM MIXED PLANTATION AND PURE CHINESE FIR PLANTATION

He Zongming,Yang Yusheng,Zheng Zhiping   

  1. Center for Chinese Fir Research of Fujian Agriculture and Forestry university Nanping 353001;Forestry College of Fujian Agriculture and Forestry University Nanping 353001;Forestry Committee of Wuyishan City, Fujian Proovince Wuyishan 354300
  • Received:2001-01-08 Revised:1900-01-01 Online:2001-11-25 Published:2001-11-25

Abstract:

The differences in growth process of Chinese fir between Chinese fir-Tsoongiodendron odorun mixed plantation and pure Chinese fir plantation were studied. The height increment of Chinese fir in the mixed plantation was similar to that in the pure Chinese fir plantation before age 10. The height increment of Chinese fir in the mixed plantation was always greater than that in the pure Chinese fir plantation from age 10 to age 27. As the Chinese fir in the mixed forest took the predominant status over the Tsoongiodendron odorun, its DBH and volume increment were always greater than those of Chinese fir in pure Chinese fir plantation. Competitions among Chinese fir trees in the pure Chinese fir plantation were intense from age 4 to age 11.

Key words: Chinese fir, Tsoongiodendron odorun, Mixed plantation, Pure plantation, Growth process