ON SOIL RESOURCES AND THE WAY FOR ITS AMELIORATION AND UTILIZATION IN ZHUANYAOGOU EXPERIMENT AREA OF THE LOESS PLATEAU
Duan Jiannan, WangGailan, Li Shuanhuai, Zhang Jinfeng
JOURNAL OF NATURAL RESOURCES . 1994, (3): 253 -259 .  DOI: 10.11849/zrzyxb.1994.03.008