Brierley, WG2017-02-072017-02-071925-12Brierley, W.G. Apple pruning investigations: comparison of fall, winter, and spring pruning; renovation; wound healing. 1925. Saint Paul, Minn.: University of Minnesota. Agricultural Experiment Station. Bulletin 225, page 1-22https://hdl.handle.net/11299/183981This archival publication may not reflect current scientific knowledge or recommendations. Current information available from University of Minnesota Agricultural Experiment Station: http://www.maes.umn.edu/enNewsletter or Bulletin