Daniel N. Mugendi, Agricultural Resource Management, University of Embu, Embu, Nairobi, KENYA, Milka Ngonyo Kiboi, Land and Water Management, University of Embu, Embu, Kenya, Jan Diels, Division of Soil and Water Management, KU Leuven, 3001 Leuven, Belgium, Felix Kipchirchir Ngetich, Land and Water Management, University of Embu, Nairobi, Kenya, Monica Mucheru-Muna, Department of Environmental Sciences, Kenyatta University, Nairobi, Kenya and Jayne Njeri Mugwe, Department of Agricultural Resource Management, Kenyatta University, Nairobi, Kenya