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| Effect of management practices on alley-cropped maize utilization of nitrogen Alfisol in south-western Nigeria, Mulongoy, K., Ibewiro, B., Oseni, O., Kilumba, N., Opara-Nadi, A. O. and Osonubi, O.*, pages 223-230, John Wiley & Sons with Sayce Publishing (UK), the Catholic University of Leuven (Belgium), IITA, Ibadan, 1993. |
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| Management of plant residue for cassava (manihot esculanta Crantz) production on an acid utisol in Sough Eastern Nigeria, Hulugalle, N., Lal, R. and Opara-Nadi, A. O., in: Field Crops Research, volume 16, pages 1-16, ISSN 0378-4290, 1987. |
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| Effects of land clearing methods on soil physical and hydrological properties in south-western Nigeria, Opara-Nadi, A. O., Lal, R. and Ghuman, B. S., pages 215-225, 1986. |
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| Effects of methods of seedbed preparation and mulching on the growth and yield of white yam (Dioscorea rotundata) on an ultisol in south-east Nigeria, Maduakor, H. O., Lal, R. and Opara-Nadi, A. O., in: Field Crops Research, volume 9, pages 119-130, ISSN 0378-4290, 1984. [DOI] |
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