International agronomy training & education : papers presented at the annual meeting ...
editors: J. Ritchie Cowan, L.S. Robertson ; managing editors: Steven A. Breth, David M. Kral ; coordinating editor: Matthias Stelly
Bok Engelsk 1969
| Utgitt | Madison, Wis. : American Society of Agronomy, Crop Science Society of America, Soil Science Society of America , 1969
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| Omfang | VIII, 108 s. : fig.
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| Emner |
