Tillage (image) American Society of Agronomy Share Print E-Mail Caption Aerial view of on-farm tillage research in fall. Tillage strips include chisel plow, two types of strip till, and a shallow vertical till. Credit Dorian Gatchell Usage Restrictions Use with story only. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.