Items where Author is "Opala, Peter A."
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Nyambati, Robert O. and Opala, Peter A. (2013) An Agronomic and Economic Evaluation of Integrated use of Calliandra callothyrsus and Maize Stover with Urea in Western Kenya. American Journal of Experimental Agriculture, 4 (1). pp. 80-89. ISSN 22310606