In Farming for Profit in a Hungry World (1977) I estimated that the US lost 20 lbs of soil for each lb. of food produced. I have been intending to read Montgomery's book.
Michael Perelman Economics Department California State University michael at ecst.csuchico.edu Chico, CA 95929 530-898-5321 fax 530-898-5901 www.michaelperelman.wordpress.com
