The determination of humus:
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Bibliographic Details
Main Authors: Alway, F. J. (Author), Files, E. K. (Author), Pinckney, R. M. (Author)
Format: Book
Language:English
Published: Lincoln 1910
Series:Bulletin of the Agricultural Experiment Station of Nebraska 22,5 = Bulletin Nr. 115
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There is no print copy available.

Interlibrary loan Place Request Caution: Not in THWS collection!