不同林分密度下杨树树冠结构与溃疡病的关系
黄逢龙,,,焦一杰,丁辉,樊军锋,梁军*
The relation of crown structure with poplar canker under different stand density
HUANG Fenglong,,, JIAO Yijie, DING Hui, FAN Junfeng, LIANG Jun*
南京林业大学学报(自然科学版) . 2010, (04): 79 -82 .  DOI: 10.3969/j.jssn.1000-2006.2010.04.018