Posted 2/12/2020 22:49 (#8038166 - in reply to #8038090) Subject: RE: K2O test
WC Mn/Dakotas
Critical k levels are highly dependent on cec. Then need to look at other relationships. 30 cec and 200 ppm might be too low. You dont have to have 4% bs to grow great crops. On the other end dont want 7-8% either
K2O test
