Silveira, J.A.G. da Contado, J.L. Rodrigues, J.L.M. Oliveira, J.T.A. de <br/><br/>
Phosphoenolpyruvate carboxylase and glutamine synthetase activities in relation to nitrogen fixation in cowpea nodules 

<br/><br/><label>Subjects--Topical Terms: </label><br/>Feijao de Corda<br/>Fixacao de Nitrogenio<br/>Nodulacao<br/>Rhizobium