By
Metcalf, Z. P. (Zeno Payne), 1885-1956
Original Publication
Technical bulletin
Series / Issue
Series: Technical bulletin (North Carolina Agricultural Experiment Station)
Contributed by
University Library, University of Illinois Urbana Champaign
Published by
Raleigh, The Station,
Rights Status
Public domain. The BHL considers that this work is no longer under copyright protection.
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