Study on growth rhythm and regression model of 29 years Eucalyptus cloeziana in Guangxi

doi:10.14088/j.cnki.issn0439-8114.2020.04.019

Abstract

Abstract: The Eucalyptus cloeziana of the Dongmen State Forest Farm of Guangxi was introduced from the 1980s. The diameter at breast height, tree height, volume and dry shape of the 29-years-old large inflorescence were studied, the results showed that the diameter at breast height, tree height and volume were 33.17 cm, 33.6 m and 0.92 m³, respectively, and the optimal model of diameter at breast height, tree height and volume growth regression of long-period Eucalyptus cloeziana were fitted out. By analyzing and comparing different large and medium-sized timber species with similar years of the Eucalyptus cloeziana, it is found that the growth of Eucalyptus cloeziana has obvious advantages, and even in different eucalyptus species, the Eucalyptus cloeziana also has the significant advantage in cultivation.

Key words: Eucalyptus cloeziana, growth rhythm, optimal regression model, large and medium size wood

CLC Number:

S725.7

MO Ji-you, YAN Li, WANG Jian-zhong, QIN Wu-ming, WEI Bing-jian. Study on growth rhythm and regression model of 29 years Eucalyptus cloeziana in Guangxi[J]. HUBEI AGRICULTURAL SCIENCES, 2020, 59(4): 91-97.

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