s:345:"%T Phosphorus replenishment in western Kenya: from field experiments to an operational strategy 
%A Woomer, P.L. 
%A Okalebo, J.R. 
%A Sanchez, P.A. 
%X The present paper explores the need for phosphorus replenishment in western Kenya.  It suggests some possible ameliorative strategies using rock phosphates available within East Africa. 
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