Fact Sheet No. 230 Prepared by David E. Yarborough, Extension Blueberry Specialist, Frank Drummond, Professor of Insect Ecology and Seanna Annis, Associate Professor of Mycology, The University of Maine, Orono, ME 04469.  March 2019. The decision to rest land, cut back on inputs, or manage for optimal production has to be made on a farm-by-farm