107杨人工林密度对林木生长的影响

doi:10.11707/j.1001-7488.20110328

Abstract

Abstract:

Based on investigation of 6 year old plantations of Populus×euramericana ’Neva’ in Hengshui, the relationship between stand density and growth was studied. The results showed that there was negative relationship between stand density and stand mean diameter, mean tree height, mean crown width and mean individual volume. The average tree's diameter, height, crown width and volume for individual trees decreased with the increase of stand density in a certain range. The ratio of height to diameter of trees increased with high density. Stand volume first increased with the stand density in low density range, however decreased with the increase of stand density in higher density range. The optimum plantation density for stand growth was 1 000-1 200 stem ·hm^-2 in Taocheng District and 800-1 000 stem ·hm^-2 in Wuyi County.

Key words: Populus×, euramericana &rsquo, Neva&rsquo, plantation, stand density, stand growth

CLC Number:

S753.3

Tian Xinhui;Sun Rongxi;Li Jun;Zhao Changhai;Yang Minsheng. Effects of Stand Density on Growth of Populus×euramericana’Neva’ Plantations[J]. Scientia Silvae Sinicae, 2011, 47(3): 184-188.

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Effects of Stand Density on Growth of Populus×euramericana’Neva’ Plantations

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