Humus : origin, chemical composition, and importance in nature / by Selman A Waksman.

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Bibliographic Details
Main Author:	Waksman, Selman A. (Selman Abraham), 1888-1973
Language:	English
Published:	Baltimore : The Williams & Wilkins company, 1938.
Edition:	Second revised edition.
Subjects:	Humus.
Physical Description:	xiv, 526 pages : illustrations, diagrams ; 24 cm
Format:	Book

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