The chemistry of soil humic acids /
Savage, Scott Maxfield,1934-author.
text
This "O-P Book" is an authorized reprint of the original edition, produced by Microfilm-Xerography by University Microfilms, Inc., Ann Arbor, Michigan, 1963.
Includes vita.
Thesis (Ph. D.)
Includes bibliographical references.
Photocopy.
Soil chemistry.
Humic acid.
Humic acid.
Soil chemistry.