Alm, A.A.Miles, W.R.2010-02-162010-02-161971-01-15Alm, A.A. and Miles, W.R., (1971), "The Effect of Selected Cultural Practices on Lowland Balsam Fir Christmas Trees in Northeastern Minnesota", Minnesota Forestry Research Notes 222, School of Forestry, University of Minnesota0544-3555https://hdl.handle.net/11299/57973Published as Scientific Journal Paper Series No. 7681 of the Minnesota Agricultural Experiment Station.en-USforests and forestryMinnesotaresearchReport