TY - SER AU - Figueiredo,M.do V.B. AU - Bezerra-Neto,E. AU - Burity,H.A. TI - Water stress response on the enzymatic activity in cowpea nodules KW - FEIJAO DE CORDA KW - RELACAO AGUA-PLANTA KW - STRESS KW - NITRATO KW - VIGNA UNGUICULATA KW - NODULO UR - http://www.scielo.br/pdf/bjm/v32n3/7735.pdf ER -