Burity, H.A. Faris, M.A. Coulman, B.E. <br/><br/>
Nitrogenase activity and vegetative regrowth of alfafa grown alone and in mixture with grass after successive harvests 

<br/><br/><label>Subjects--Topical Terms: </label><br/>ALFAFA<br/>GRAMINEA FORRAGEIRA<br/>RHIZOBIUM<br/>FIXACAO DE NITROGENIO<br/>NODULACAO