Chemistry of soil organic matter /
Kumada, Kyoichi, 1921-
Chemistry of soil organic matter / Kyoichi Kumada - Tokyo : Japan Scientific Societies Press, 1987 - 241 p. : ill. ; 24 cm. - Developments in soil science v. 17 .
0444989366
87-027531
Humus
Humic acid
Chemistry of soil organic matter / Kyoichi Kumada - Tokyo : Japan Scientific Societies Press, 1987 - 241 p. : ill. ; 24 cm. - Developments in soil science v. 17 .
0444989366
87-027531
Humus
Humic acid
