Iron for poa suppression

PACE Turf member Dan Dinelli recently asked our opinion about the use of high iron rates for suppressing poa in bentgrass greens. The paragraphs below outline our position.

This is what we know.

High rates of ferrous sulfate for poa management (and moss management) is a topic that several members have had questions about over the years. It appears that a commercial program that incorporates high iron was started in the US by Mark Logan now at Greenway Golf. As…