TY - BK TI - The Biology and fertility of tropical soils: Report of the tropical soil biology and fertility programme TSBF 1997-1998 T2 - TSBF Report SN - 9966-9892-4-2 PY - 2000/// CY - Nairobi (Kenya) PB - TSBF|UNESCO, KW - Kenya KW - Research projects KW - Soil biology KW - Soil chemicophysical properties KW - AGROVOC KW - Soil chemistry KW - Tropical soils KW - Research institutions KW - Soil fertility KW - TSBF ER -