TY  - JOUR 
T1  - Effect of cowpea intercropping on weed control and corn yieid
JO  - Planta Daninha
A1  - Silva, P.S.L.
A1  - Oliveira, O.F.
A1  - Silva, P.I.B.
A1  - Silva, K.M.B.
A1  - Braga, J.D.
SN  - 0100-8358
UL  - 10.1590/S0100-83582009000300009
VL  - 27 
Y1  - 2009
PB  - Brazil 
ER  -