Tobacco Science & Technology, 2009, 2, p. 57-60, ISSN.1002-0861
Ecological regionalization of Chuxiong tobacco growing areas
LU YONG-XIN; WANG EN-CHAO; ZHANG YING-CUI
Chuxiong Meteorological Bureau, Chuxiong, Yunnan, China
With the principal component analysis and dynamic stepwise cluster analysis functions of statistical software SPSS (Statistical Program for Social Sciences), the tobacco growing areas in Chuxiong were ecologically regionalized experimented and...