Changing Characteristics of Soil Organic Carbon Storage in Cropland in Ledu of Qinghai in Recent 30 Years
LI Na-na, ZHANG Yan-jun, ZHOU Xiao-gang, ZOU Jun-liang, LIU Qing-fang, LI Jun-chao, LIU Jing, GUO Hui-min, WANG Rui, GUO Sheng-li
JOURNAL OF NATURAL RESOURCES . 2015, (6): 1005 -1012 .  DOI: 10.11849/zrzyxb.2015.06.011