Kononova, M. M.
Soil organic matter : its nature, its role in soil formation and in soil fertility / by M. M. Kononova,T. Z. Nowakowski and A. C. D. Newman. - 2nd ed. - Oxford : Pergamon Press ; 1966 . - 544 p. : ill. ; 22 cm.
Bibliography: ( p. 441-505). and index.
Fertilizers and manures.
631.417 / KOS
Soil organic matter : its nature, its role in soil formation and in soil fertility / by M. M. Kononova,T. Z. Nowakowski and A. C. D. Newman. - 2nd ed. - Oxford : Pergamon Press ; 1966 . - 544 p. : ill. ; 22 cm.
Bibliography: ( p. 441-505). and index.
Fertilizers and manures.
631.417 / KOS