TY - BOOK AU - Brady, Nyle C TI - The nature and properties of soils SN - 0023133503 U1 - 631.4 PY - 1974/// CY - New York PB - Macmillan Publishing Co., Inc KW - Organisms of the soils KW - Organic matter of mineral soils KW - Soil water KW - Soil colloids KW - Soil reaction KW - Soil formation ER -