Bulletin #1064, Standard Operating Procedures and Their Use on Farms (PDF) By Lisa McKeag, UMass Extension Vegetable Program, Center for Agriculture, Food and the Environment and Genevieve Higgins, UMass Extension Vegetable Program, Center for Agriculture, Food and the Environment Adapted with permission from UMASS Amherst For information about UMaine Extension programs and resources, visit extension.umaine.edu.