%0 Journal Article %T The Influence of Strata on the Nutrient Recycling within a Tropical Certified Organic Coffee Production System %A F. Mamani-Pati %A D. E. Clay %A S. A. Clay %A H. Smeltekop %J ISRN Agronomy %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/389290 %U http://dx.doi.org/10.5402/2012/389290