Posted 10/23/2008 00:21 (#488720 - in reply to #488527) Subject: Re: top soil
Bow Island, Alberta
Southern Alberta. Native grass has 3-4 inches of top soil, OM 3-4% and ph 7.5-8. Cultivated land has OM about half of prairie, and topsoil from 0 inches to whatever depth it has been diluted to by tillage.
top soil
