TY - BOOK AU - Kononova,M.M. AU - Nowakowski,T.Z. AU - Newman,A.C.D. TI - Soil organic matter: its nature, its role in soil formation and in soil fertility U1 - 631.141 PY - 1966/// CY - Oxford PB - Pergamon Press KW - Soils KW - Organic matter KW - Organic componds KW - Composition KW - Analysis N1 - Includes index; Bibliography: p. 501 - 505 ER -