Ahlgren, C.E., (1967), "A Relationship Between Scion Bud Origin and Growth of White Pine Graft", Minnesota Forestry Notes 180, School of Forestry, University of Minnesota
Minnesota Forestry Notes
Published as Scientific Journal Paper Series No. 6257 of the Minnesota Agricultural Experiment Station.
This study was supported in part by a grant from the Louis W. and Maud Hill Family Foundation.
Ahlgren, Clifford E..
A Relationship Between Scion Bud Origin and Growth of White Pine Graft.
St. Paul, Minn. : School of Forestry, University of Minnesota.
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