EN中文
CONTENTS OF BORON AND ZINC IN PURPLISH SOIL AND YELLOW EARTH OF SICHUAN AND EVALUATION FOR AGRICULTURE
Cheng Yanao, Yang Dingguo, Wen Yanmao
SCIENTIA GEOGRAPHICA SINICA . 1986, (2): 141 -150 .  DOI: 10.13249/j.cnki.sgs.1986.02.141