Authors: Okogun, JA Sanginga, N Mulongoy, K

Citation: Ja. Okogun et al., Nitrogen contribution of five leguminous trees and shrubs to alley croppedmaize in Ibadan, Nigeria, AGROFOR SYS, 50(2), 2000, pp. 123-136

Authors: Okogun, JA Mulongoy, K

Citation: Ja. Okogun et K. Mulongoy, Effect of intercrop spacing and nitrogen fertilizer on establishment of Leucaena leucocephala in alley cropping, COMM SOIL S, 30(5-6), 1999, pp. 805-815