TY  - JOUR 
T1  - Weed Interference Periods in Early Wheat in the Midwest of Paraná
JO  - Planta Daninha
A1  - SILVA, A.A.P.
A1  - OLIVEIRA NETO, A.M.
A1  - NAIARA, G.
A1  - KARPINSKI, R.A.K.
A1  - MACIEL, C.D.G.
SN  - 0100-8358
UL  - 10.1590/S0100-83582016340200010
VL  - 34 
Y1  - 2016
PB  - Brasil 
ER  -