Posted 1/14/2019 06:37 (#7243962 - in reply to #7243945) Subject: RE: Thiosulfate at planting or sidedress time?
WC Mn/Dakotas
When do you normally side dress? Corn needs some S early and if soil is below 65* it is much less available than when it is warmer. Personally i would do it both at planting and side dress, (or every time i add N).