Welcome to Chinese Agricultural Science Bulletin,
Fuzzy Synthetic Evaluation of Purple Soil Fertility in Chongqing City
李忠意 程永毅 宋伟 陈洪 邓睿 杨剑虹
Chinese Agricultural Science Bulletin . 2011, (23): 238 -247 .  DOI: 10.11924/j.issn.1000-6850.2011-0806