TY - BOOK AU - Bationo, A., Waswa, B., Kihara, J., Kimetu,J. TI - Nutrient cycling in Agroecosystems: Advances in integrated soil fertility management in Sub- Saharan Africa: Challenges : and opportunities AV - SB 191 .N887 2006 15050 PY - 2006/// CY - USA PB - Springer KW - Nutrient Cycling N1 - includes index includes bibliography ER -