About VARGAS A A T
About Centro de Energia Nuclear na Agricultura-USP, SP, BRA
About GRAHAM P H
About Univ. Minnesota, MN, USA
About Plant and Soil
About Phaseolus vulgaris
About Soil organisms
About インゲンマメ
About 根粒菌
About 根粒形成
About 競合
About 品種
About pH