TY - BOOK AU - Norman, David W. AU - Douglas, Malcolm TI - Farming systems development and soil conservation SN - 8170355125 U1 - 631.45 PY - 2007/// CY - Delhi PB - Daya Publishing House KW - Agricultural systems KW - Soil conservation N1 - Originally published in 1994 by the Food and Agriculture Organization of the United Nations (FAO) as FAO Farm systems Management Series No.7; Includes bibliographical references ER -