@MISC {ADNAN:2015, title = {Using CERES-maize model to determine nitrogen fertilisation requirements of early maize in Nigerian Sudan Savannah}, author = {Adnan, A. A. * and Jibrin, J. M. * and Kamara, A. and Abdulrahman, B. L. * and Shaibu, A. S. *}, year = {2015}, month = {September}, howpublished = {Abstract, p. 116 in the book of abstracts of the Tropentag 2015: management of land use systems for enhanced food security - conflicts, controversies and resolutions, in Humboldt-Universitat Berlin, Germany, September 16 - 18}, note = {WAHub; CRP; Maize; Maize}, }