@INBOOK {KANG:1983c, title = {Fertilizer management for non-Tillage crop production}, author = {Kang, B. and Messan, A. D. }, year = {1983}, type = {No-Tillage Crop Production in the Tropics,Eds.I.o.Akobundu and A.E. Deutsch.Corvallis:International Plant Protection Center,Oregon State University}, pages = {111--118}, }