不同林龄杨树人工林土壤有效氮对 模拟氮沉降的初期响应
王文娟,赵超,杨鑫,于水强,曹国华
The short-term responses of soil available nitrogen to simulated nitrogen deposition in Populus plantations at different ages
WANG Wenjuan, ZHAO Chao, YANG Xin, YU Shuiqiang, CAO Guohua
南京林业大学学报(自然科学版) . 2016, (01): 15 -21 .  DOI: 10.3969/j.issn.1000-2006.2016.01.003