Chemistry of soil organic matter /
Kumada, Kyoichi 1921-,
Chemistry of soil organic matter / Kyoichi kumada - Xi, 241 páginas - Development in soil science ; 17 .
4762205346 (japon) 0-444-98936-6 (elsevier)
Humus
Ácido húmico
S592.8 / K85
Chemistry of soil organic matter / Kyoichi kumada - Xi, 241 páginas - Development in soil science ; 17 .
4762205346 (japon) 0-444-98936-6 (elsevier)
Humus
Ácido húmico
S592.8 / K85