Muendo, Patricia N.; Stoorvogel, Jetse J.; Verdegem, Marc C. J.; Mora-Vallejo, Alejandra; Verreth, Johan A. J.
(Kassel University Press, 2011)
Due to growing land scarcity and lack of nutrient inputs, African farmers switched from shifting cultivation to continuous cropping and extended crop area by bringing fragile lands such as river banks and hill slopes into ...