I didn't realize it was really used as a preplant incorporated product. I do know some use it early in a burndown spray to keep things pretty clean and then do some light tillage ahead of planting. The way I have used it lately is to spray beds that are ready to plant ahead of planting. I like to spray it and get a rain before planting. I have been using Fierce which is a premix of Valor and Zidua.