Tropical and Subtropical Agroecosystems

Richard N. Onwonga
Department of Land Resource Management and Agricultural Technology, University of Nairobi, P.O. Box 29053-00625, Nairobi, Kenya
Kenya

Associate Professor, Department of Land Resource Management and Agricultural Technology, University of Nairobi

Ruth C. Sitienei
Department of Land Resource Management and Agricultural Technology, University of Nairobi, P.O. Box 29053-00625, Nairobi, Kenya
Kenya

Soil Scientist, Department of Land Resource Management and Agricultural Technology, University of Nairobi

Joyce J. Lelei
Department of Crops, Horticulture and Soils, Egerton University, P.O. Box 536 - 20115, Njoro, Kenya
Kenya

Senior Lecturer, Department of Crops, Horticulture and Soils Egerton University

Peter Kamoni
Kenya Agricultural and Livestock Research Organization, P.O. Box 57811-00200, Nairobi, Kenya
Kenya

Principal Scientist, Kenya Agricultural and Livestock Research Organization