Materials and Methods<BR>Metribuzin was applied preemergence (two days after planting): <BR>0, 35*, 70, 140, 280, 420, and 560 g ai ha-1 <BR>*35 g ai ha-1 rate not included in 2018 due to planting errors <BR>Treatments applied using a CO2-pressurized backpack sprayer <BR>140 L ha-1 <BR>AIXR 11002 nozzles <BR>Plots were kept weed-free using labeled herbicides and hand-weeding <BR>Randomized Complete Block Design <BR>Four replications<BR>