1. Soil Heterogeneity and Soil Fertility Gradients in Smallholder Farms of the East African Highlands. Issue 2 (1st February 2013) Authors: Tittonell, P.; Muriuki, A.; Klapwijk, C. J.; Shepherd, K. D.; Coe, R.; Vanlauwe, B. Journal: Soil Science Society of America Journal Issue: Volume 77:Issue 2(2013) Page Start: 525 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗