Posted 5/12/2022 13:57 (#9657756 - in reply to #9657467) Subject: RE: Corn Stove Clinkers
NW Washington
I think that corn or any grain-burning stove clinkers are mostly silicon and are not of much value as a plant nutrient.
Here is a link to an old NAT thread on this subject.
Woodstove ashes contain potassium.