Scientia Silvae Sinicae ›› 1998, Vol. 34 ›› Issue (zk): 1-4.
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Wei Hong,Yushan Zheng,Erfa Qiu
Online:
Published:
Abstract:
This article studied on Phyllostachys heterocycla cv.pubescens forest density effect for timber use quantitatively by using methods of orthogonal rotation of two factors and quadratic regression, and built bamboo high-yield model for timber use forest, and then analysed the effects of single factor, interaction as well as the interaction of density and D.B.H.on yield. The result showed that the optimum density is 4283 stems per hectare, the mean D.B.H.is 9.0 cm, the highest yield of bamboo forest will be up to 54801 kg/hm2.
Key words: Phyllostachys heterocycla cv. pubescens, Density effect, Limited yield
Wei Hong,Yushan Zheng,Erfa Qiu. STUDY ON THE EFFECT OF DENSITY ON HIGH-YIELD TIMBER USE FOREST OF PHYLLOSTACHYS HETEROCYCLA CV. PUBESCENS[J]. Scientia Silvae Sinicae, 1998, 34(zk): 1-4.
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Table 1
Testing result of the model of density effect"
Fig.1
The curves of yield response and limit yield of density"
Fig.2
The curves of yield responseand limit yield of density"
Fig.3
The interaction of density and diameter"
