Learn from Aaron Butler Man@Machine Networker and farmer how he manages weeds with his 30ft Treffler harrow. Organic grower of soya beans, corn and grain in DeKalb, Illinois. Look at your email for more news on demo dates or call Aaron if you are interested in seeing a demonstration. Aaron Butler Farm Man@Machine Networker 5430 South Malta Road Malta, Illinois 60150 USA T: (815) 751-0006