UNIVERSITY LIBRARY CATALOGUE

Humus : origin, chemical composition, and importances in nature /

Waksman, S. A. 1888-1973

Humus : origin, chemical composition, and importances in nature / Selman A. Waksman. - 2nd ed., rev. - Baltimore : Williams & Wilkins, 1938. - xiv, 526 p. : ill. ; 23 cm.

First edition, Janurary, 1936; second edition, July, 1938.

Includes bibliographical references (p. 430-511).


Humus.--------

631.41 WAK