1.
 |  | Title: Management of Nitrogen and Phosphorous Fertilizers in Sub-Saharan Africa (Developments in Plant and Soil Sciences, No 24) by A. Uzo Mokwunye, Paul L.G. Vlek ISBN: 902473312X Publisher: Kluwer Academic Publishers Pub. Date: 01 August, 1986 List Price: $298.00 Amazon.com Price: $298.00 |
2.
 |  | Title: Use of Phosphate Rock for Sustainable Agriculture in West Africa (Miscellaneous fertilizer studies) by H. Gerner, A. Uzo Mokwunye ISBN: 088090111X Publisher: International Fertilizer Development Center--Africa Pub. Date: 01 April, 1995
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3.
 |  | Title: Restoring and Maintaining the Productivity of West African Soils: Key to Sustainable Development (Miscellaneous Fertilizer Studies, No. 14) by A. Uzo Mokwunye, Anton De Jager, E. M. A. Smaling ISBN: 0880901128 Publisher: International Fertilizer Development Center Pub. Date: 01 June, 1996 List Price: $42.01 Amazon.com Price: $42.01 |
4.
 |  | Title: Alleviating Soil Fertility Constraints to Increased Crop Production in West Africa (Developments in Plant and Soil Sciences, Vol 47) by A. Uzo Mokwunye ISBN: 079231221X Publisher: Kluwer Academic Publishers Pub. Date: 01 October, 1991 List Price: $233.00 Amazon.com Price: $233.00 |