@inproceedings{inproceedingsbe3e39dc,
title   = {Soil acidity factor effects on bradyrhizobium japonicum and symbiosis},
author = {Vargas, A A T and Denardin, N D and Roth, L E and Sexton, G L},
year = {1990},
booktitle   = {International Congress on Nitrogen Fixation}
}