TY  - SER
AU  - Burity,H.A.
AU  - Faris,M.A.
AU  - Coulman,B.E.
TI  - Nitrogenase activity and vegetative regrowth of alfafa grown alone and in mixture with grass after successive harvests
KW  - ALFAFA
KW  - GRAMINEA FORRAGEIRA
KW  - RHIZOBIUM
KW  - FIXACAO DE NITROGENIO
KW  - NODULACAO
ER  -