%0 Journal Article %T Economy of Symbiotically Fixed Nitrogen in Red Clover (Trifolium pratenseL.) %A WAREMBOURG, F. R. %A LAFONT, F. %A FERNANDEZ, M. P. %J Annals of Botany %V 80 %N 4 %P 515-523 %@ 0305-7364 %D 1997-10-01 %I Oxford University Press %~ DeepDyve