Ahlgren, C.E., (1979), "Buried Seed in Prescribe-Burned Jack Pine Forest Soils, Northeastern Minnesota", Minnesota Forestry Research Notes 272, School of Forestry, University of Minnesota
Minnesota Forestry Research Notes
Published as Scientific Journal Paper Series No. 10929 of the Minnesota Agricultural Experiment Station.
Ahlgren, Clifford E..
Buried Seed in Prescribe-Burned Jack Pine Forest Soils, Northeastern Minnesota.
St. Paul, Minn. : School of Forestry, University of Minnesota.
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