01303oam 2200361Ka 450 991069674730332120080714113603.0(CKB)5470000002381399(OCoLC)233830977(EXLCZ)99547000000238139920080714d1999 ua 0engtxtrdacontentcrdamediacrrdacarrierMapping the range of proven soil management practices in Africa[electronic resource] using digital maps and case studies /Peter H. FreemanAlexandria, Va. :Development Ecology Information Service,[1999]25 pages, digital, PDF fileTitle from title screen (viewed on July 14, 2008)."Based on a report prepared for USAID ...""September, 1999."Mapping the range of proven soil management practices in Africa Soil managementAfricaSoil managementFreeman Peter H1410555United States.Agency for International Development.GPOGPOGPOBOOK9910696747303321Mapping the range of proven soil management practices in Africa3499472UNINA