@INBOOK {HAUSER:1993d, title = {Nutrient dynamics, maize yield and soil organic matter in alley cropping with Leucaena leucocephala}, author = {Hauser, S. and Kang, B. }, year = {1993}, type = {Soil organic matter dynamics and sustainability of tropical agriculture}, pages = {215--222}, publisher = {John Wiley & Sons with Sayce Publishing(UK), Catholic University of Leuven(Belgium) and IITA}, address = {Ibadan, Nigeria}, }