不同定植处理对杨树溃疡病发生发展的影响
王勇,吴小芹*,叶建仁
The effect of different planting methods on occurrence and development of poplar canker disease
WANG Yong,WU Xiaoqin*,YE Jianren
南京林业大学学报(自然科学版) . 2009, (01): 11 -14 .  DOI: 10.3969/j.jssn.1000-2006.2009.01.002