EN中文
Temporal and Spatial Characteristics of Non-point Source N in Surface Water of Yuqiao Reservior Watershed
LI Jun-ran, CHEN Li-ding, FU Bo-jie, ZHANG Shu-rong, LI Guang-qing
SCIENTIA GEOGRAPHICA SINICA . 2002, (2): 238 -242 .  DOI: 10.13249/j.cnki.sgs.2002.02.238