@article{article78f4e4f0,
title   = {Alfalfa yield and quality as function of nitrogen fertilization and symbiosis with Sinorhizobium melilot},
author = {Oliveira, W. S. de and Oliveira, P. P. A. and Corsi, Moacyr and Duarte, F. R. S. and Tsai, Siu Mui},
year = {2004},
doi = {10.1590/s0103-90162004000400013},
journal   = {Scientia Agricola}
}