@article{article11edb4d9,
title   = {Field evaluation of N2-fixation and N-utilization by phaseolus bean varieties determined by15N isotope dilution},
author = {Ruschel, Alaides Puppin and Vose, Peter B and Matsui, Eiichi and Victoria, Reynaldo Luiz and Tsai, Siu Mui},
year = {1982},
doi = {10.1007/bf02375060},
journal   = {Plant and Soil}
}