National Ag News

An agronomist in the Upper Midwest is seeing iron chlorosis (IDC) in soybeans and says strong corn yields a year ago are probably the reason.

Adam Spelhaug with Peterson Farms Seed tells Brownfield the Red River Valley is experiencing one of its worst years for iron deficiency.

“We had a lot of mineralization, especially on corn ground.  I think we’ve got a lot of carry-over nitrates from that corn ground, and high nitrates a lot of times will lead to IDC.”

The primary symptom of iron deficiency is interveinal chlorosis—the development of a distinctive yellow leaf with a network of dark green veins.

Continue reading Iron chlorosis a problem in Red River Valley soybeans at Brownfield Ag News.