Submitted by marcel.lubbers on Tue, 07/01/2014 - 08:27 Author(s) Tittonell, P. Year 2003 Title link Soil Fertility Gradients in Smallholder Farms of Western Kenya: Their Origin, Magnitude and Importance. Keywords Soil Fertility Gradients, Smallholder Farms, Western Kenya Publisher MSc Thesis, Wageningen University, Wageningen. Country Kenya