THE PRODUCTIVE POTENTIAL OF SPRING WHEAT AND SUSTAINABLE DEVELOPMENT——A CASE STUDY ON THE MOUNTAINOUS AREA OFSOUTHERN NINGXIA
Peng Naizhi, Fu Baopu, Bao Haosheng, Li Jun, Zhao Xinping
JOURNAL OF NATURAL RESOURCES . 1997, (3): 257 -262 .  DOI: 10.11849/zrzyxb.1997.03.009