TY - BOOK ED - National Research Council U.S.. TI - Soil and water quality: an agenda for agriculture SN - 0309049334 AV - S599 .A1S62 1993 U1 - 333.76/0973 20 PY - 1993/// CY - Washington, D.C. PB - National Academy Press KW - Soil management KW - United States KW - Local KW - Agricultural ecology KW - Sediment control KW - Water quality management KW - Soils KW - Quality N1 - Includes bibliographical references (p. 449-487) and index ER -