Peter van Straaten: Crops from Rocks
This retired agro-geologist from the University of Guelph explains how rocks become soil and their continuing roll in agriculture even when not degraded..
(58 minutes, 32 seconds) Recorded at the 2015 Acres U.S.A. Conference, Pittsburgh, Pennsylvania,Thursday, December 10, 2015.
My Farmer, My Customer
New! Learn from Marty Travis's experiences converting the Spence Farm into one of the most successful farming co-ops in the United States today.
