WATER EQUILIBRIUM OF WHEAT FIELD UNDER DIFFERENTCLIMATIC PATTERNS IN THE DRYLANDZONE OF EASTERN GANSU
Qiu Huamin, Deng Zhenyong, Fang Debiao
JOURNAL OF NATURAL RESOURCES . 1997, (2): 193 -196 .  DOI: 10.11849/zrzyxb.1997.02.014