00479     2200193   4500001002100000005001500021035002000036007000300056008004100059082001200100084001600112245004400128260002700172300002800199650001200227650001900239650001400258990001300272INLIS00000000005894520230304091716  a0010-0323000072ta230304                g          0 eng    a631.452  a631.452 BIO  aBiology and Fertility of Tropical Soils  aKenya :bUNESCO,c1997  a48 p. :bill. ;c27 cm. 4aBiology 4aTropical Soils 4aFertility  a469/2005