TY  - JOUR 
T1  - Weed control in corn and weed sample size for growth evaluations
JO  - Planta Daninha
A1  - Tavella, L.B.
A1  - Silva, P.S.L.
A1  - Oliveira, V.R.
A1  - Fernandes, P.L.O.
A1  - Sousa, R.P.
SN  - 0100-8358
UL  - 10.1590/S0100-83582014000100006
VL  - 32 
Y1  - 2014
PB  - Brasil 
ER  -