TY  - JOUR 
T1  - Use efficiency of variable rate of nitrogen prescribed by optical sensor in corn
JO  - Revista Ceres
A1  - Bragagnolo, Jardes
A1  - Amado, Telmo Jorge Carneiro
A1  - Bortolotto, Rafael Pivotto
SN  - 0034-737X
UL  - 10.1590/0034-737X201663010014
VL  - 63 
Y1  - 2016
PB  - Brasil 
ER  -