Demand-Driven Technologies for Sustainable Maize ... - IITA

136Dudal, R., 2002. Forty years of soil fertility work in sub-Saharan Africa. Pp 7–21 In: B. Vanlauwe, J. Diels, N. Sanginsga, and R. Merckx (eds.) Integratedplant nutrient management in sub-Saharan Africa: from concept to practice.CAB International, Wallingford, England.Giller, K.E. and G. Cadisch, 1995. Future benefi ts from biological N fi xation inagriculture: An ecological approach. Plant and Soil 174: 255–277.Ishikawa, M., 1988. Green manure in rice - the Japan experience. Pp 45–61In: Green manuring in rice farming. Int. Rice Res. Inst. Los Banos, ThePhilippines.Jokela, W.E., 1992. Nitrogen fertilizer and dairy manure effects on corn yieldand soil nitrate. Soil Sc. Soc. Am. J. 56. 148–154.Jones, R.B., S.S. Snapp, and H.S.K. Phombeya, 1997. Management ofleguminous leaf residues to improve nutrient use effi ciency in the sub–humid tropics. Pp 239-250 In: G. Cadisch and K.E. Giller (eds.) Drivenby nature: plant litter quality and decomposition. CAB International,Wallingford, England.Kang, B.T., 1993. Alley cropping: past achievements and future directions.Agroforestry Systems 23: 141–155.Kang B.T. and G.E. Wilson, 1987. The development of alley cropping as apromising agroforestry technology. Pp 227 243 In: H.A. Steppler andP.K.R. Nail (eds.) Agroforestry:A decade of development. ICRAF, Nairobi,Kenya.Ofori, C.S. and R. Sant’ Anna, 1990. Manures and organic fertilizer: Theirpotential and use in African agriculture. In: E. Pushparajah and M. Latham(eds.) Organic matter management and tillage in humid and sub-humidAfrica. IBSRAM Proc. No. 10: 213–229.Page, A.L.P., R.R. Miller, and P.R. Keeny (eds). 1982. Methods of soil analysis.Agronomy 9 Part 2. American Society of Agronomy. Madison, Wisconsin,USA.Palm, C.A., 1995. Contributions of agroforestry trees to nutrient requirementsof inter-cropped plants. Agroforestry Systems 30:105–124.SAS, 1989. SAS User’s Guide. SAS Inst. Cary, N.C., USA.Shehu, Y., W.S. Alhassan, G.W.K. Mensah, A. Aliyu, and C.J.C. Phillips, 1997.The effects of green manuring and chemical fertilizer application on maizeyield, quality and soil composition. Tropical Grasslands 32: 139–142.Singh, U., S.K. Patil, R.O. Das, J.L. Padiila, V.P. Singh, and A.R. Pal, 1999.Nitrogen dynamics and crop growth on an Alfi sol and a Vertisol underrainfed lowland rice based cropping system. Field Crops Research 61:231–252.Uyovbisere, E.O. and Elemo, K.A. 2000. Effect of inorganic fertilizer andfoilage of Azadirachta and Parkia species on the productivity of earlymaize. Nig. J. Soil Res. 1:17–22.