Lease, R.E. and Duncan, D.P., (1959), "Field Survey of Red Pine Seedlings as Affected by Nursery Fertilization", Minnesota Forestry Notes 75, School of Forestry, University of Minnesota
Minnesota Forestry Notes
Published as Scientific Journal Paper Series No. 4073 of the Minnesota Agricultural Experiment Station.
Lease, Robert E.; Duncan, Donald P..
Field Survey of Red Pine Seedlings as Affected by Nursery Fertilization.
St. Paul, Minn. : School of Forestry, University of Minnesota.
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