切根和截顶对湿地松苗木质量的影响
邱辉
Effects of Root-pruning and Top-pruning on Seedling Quality of Pinus elliottii
QIU Hui
南京林业大学学报(自然科学版) . 2006, (04): 105 -108 .  DOI: 10.3969/j.jssn.1000-2006.2006.04.025