00572nam a22001697a 4500003000400000005001700004008004100021020001500062040002900077050002300106100002000129245011900149260003300268300003100301650002900332650004100361OSt20230921104829.0230914b        |||||||| |||| 00| 0 eng d  a9966989234  cChuka University Library  aS 599.9b.B56 1996  aM.J. Swift (ed)  aThe biology and fertility of tropical soils: Report of the tropical soil biology and fertility programme TSBF 1996  aNairobi, KenyabUNESCOc1996  a48pbColored illustrations  asoil fertility xtropics  aSoil fertilityvtropicsxPeriodicals