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, Catholic University of Leuven - KUL, 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