na INLIS000000000005868 Ind 0010-1118005868 Alley farming research and development : proceedings of the international conference on alley farming, 14-18 Sept. 1992, Ibadan, Nigeria INTERNATIONAL CONFERENCE ON ALLEY FARMING ( 1992 : Ibadan) Edited by B.T. Kang ... [et al.] Ibadan IITA 1995 xii, 576 p.: ill.; 24 cm xii, 576 p.: ill.; 24 cm Incl. Bibl. 631.153.3 ALLEY CROPPING ON FARM RESEARCH 230/97 Integrity constraint violation: SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry 'jduonda069h81mss9k8qo6gq74' for key 'PRIMARY' The SQL being executed was: INSERT INTO `session` (`data`, `id`, `expire`) VALUES ('__flash|a:0:{}', 'jduonda069h81mss9k8qo6gq74', 1753631828)