Well, banning the plow would also have saved a lot of topsoil. http://world.time.com/2012/12/14/what-if-the-worlds-soil-runs-out/ http://world.time.com/2012/12

Well, banning the plow would also have saved a lot of topsoil. http://world.time.com/2012/12/14/what-if-the-worlds-soil-runs-out/ http://world.time.com/2012/12/14/what-if-the-worlds-soil-run...