@INBOOK {MULONGOY:1993b, title = {Effect of alley cropping and following on some soil fertility parameters in southern Nigeria}, author = {Mulongoy, K. and Kunda, K. N. and Chiang, C. N. K. }, year = {1993}, type = {Soil organic matter dynamics and sustainability of tropical agriculture}, pages = {47--55}, publisher = {John Wiley & Sons with Sayce Publishing (UK), the Catholic University of Leuven (Belgium), IITA, Ibadan}, address = {Ibadan, Nigeria}, }