%0 Journal Article %T Nitrate reductase activation state in barley roots in relation to the energy and carbohydrate status %A Botrel, Anne %A Kaiser, Werner M. %J Planta %V 201 %N 4 %P 496-501 %@ 0032-0935 %D 1997-04-09 %I Springer-Verlag %~ DeepDyve