慢生花生根瘤菌
Bradyrhizobium sp. (arachis
中国花生生产区域分析
A Regional Analysis of Peanut Production in China
FA旱地龙
FA
FA yellow-humic acid drought resistance agent
FA handinong
FA handilong
fulvic acid
半干旱地区生态系统
Semi-arid land ecosystems
半干旱和半湿润易旱地区
the semi-arid area and semi-moist area which incline to be arid