@PROCEEDINGS {RANGA:1979, title = {Response of soybean to seed inoculation with rhizobium in humid tropical conditions}, author = {Ranga Rao, V. and Ayanaba, A. and Eaglesham, A. R. J. }, booktitle = {Seventh North America Rhizobium Conference, Collage Station, Texas, June 17-21, 1979}, year = {1979}, month = {June}, }