00468nam a2200109Ia 450000500170000000800410001705000200005810000240007824501760010226000480027865000320032620251229124554.0251229s9999    xx            000 0 und d  aAFR S 593 .U83   aBaguna, Sylvester D 0aUsage manual for sampling and testing laterite and lateritic soils and other problem soils of Africa /prepared for Agency for International DevelopmentcSylvester D Baguna  aBaltimoreb Maryland U.S.AcLyon Associates  aAgriculture-Research-Africa