资源与产业 ›› 2008, Vol. 10 ›› Issue (1): 16-18.
(东北农业大学 资源与环境学院,黑龙江 哈尔滨 150030)
ZHUANG Jian, HOU Shu-tao,TANG Jun-li
(School of Resources and Environment, Northeast Agricultural University, Harbin 150030, China)