摘要
本文用主成分分析方法，对内蒙古几种乡土杨树扦插苗及１０年生树木的生长量指标进行综合分析，初步认为：内蒙古几种乡土杨树生长量综合指标由大到小的顺序为黄花杨、展枝小青杨、杂种杨、白皮杨、二青杨、内蒙杨、青皮杨、兴安杨。黄花杨、展枝小青杨生长量较大。
Useing the method of PCA,this paper anlysises the growth of several indigenouspoplars in Inner Mongolica,and thinks intialy that the growth of 8 poplars froln big to smallis populus platyphylla var.flaviflora,P. pseudo-simonii var.patula,P. sp.×sp.P.cana,P.sp.,P. intramongolica,P. platyphylla var.glauca,P. hsinganica.
基金
国家自然科学基金
