Bulletin #2247, Commercial Cranberry Production in Maine: An Introduction (PDF) Developed by David T. Handley, Extension Small Fruit and Vegetable Specialist. Updated by Charles Armstrong, Extension Cranberry Professional, 2003. For information about UMaine Extension programs and resources, visit extension.umaine.edu.Find more of our publications and books at extension.umaine.edu/publications/. Table of Contents: The Cranberry Plant Environmental Concerns