text Rome FAO 1993 Ind xiv, 139 p.: ill.; 30 cm.-- xiv, 139 p.: ill.; 30 cm.-- Bibl.: p. 131-136 HUDSON, N.W. SOIL SCIENCES EROSION FIELDS FARM MANAGEMENT 631.42 92-5-103406-0 INLIS000000000004192 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)