s:226:"%T Impact of trees on water and nutrients dynamics in smallholder maize-based farming systems 
%A Nyaga, J. 
%A Barrios, E. 
%A Matiru, V.N. 
%A Muthuri, C.W. 
%A Öborn, I. 
%A Sinclair, F.L. 
%X Abstract not found. 
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