Experiences on Conservation Agriculture (CA) in Zambia, Malawi, and Ethiopia - Soil Management of Smallholder Agriculture - page 236

Rusinamhodzi, L., M. Corbeels, M.T. Wijk, M.C. Rufino, J. Nyamangara, and K.E. Giller.
2011. A meta-analysis of long-term effects of conservation agriculture on maize grain
yield under rain-fed conditions. Agr Sustain Dev 31:657-673.
Sawadogo, H. 2011. Using soil and water conservation techniques to rehabilitate degraded
lands in northwestern Burkina Faso. Int J Agr Sustain 9:120-128.
Taa, A., D. Tanner, T.P. Alan, and A.T.P. Bennie. 2004. Effects of stubble management, tillage
and cropping sequence on wheat production in the south-eastern highlands of Ethiopia.
Soil Till Res 76:69-82.
Thierfelder, C., J.L. Chisui, M.S. Cheesman et al. 2013. Maize-based conservation agriculture
systems in Malawi: Long-term trends in productivity. Field Crop Res 142:47-57.
Thierfelder, C., and P. Wall. 2012. Effects of conservation agriculture on soil quality and pro-
ductivity in contrasting agro-ecological environments of Zimbabwe. Soil Use Manage
28:209-220.
Tulema, B., J.B. Aune, F. Johnsen, and B. Vanlauwe. 2008. The prospects of reduced tillage in
tef ( Eragrostis tef Zucca) in Gare Arera, West Shawa Zone of Oromiya, Ethiopia. Soil
Till Res 99:58-65.
Umar, B.B., J.B. Aune, H. Johnsen, and O.I. Lungo. 2012. Are smallholder Zambian farmers
economists? A dual-analysis of farmers' expenditure in conservation and conventional
agriculture systems. J Sustain Agr 36:908-209.
Umar, B.W., J.B. Aune, F.H. Johnsen, and O.I. Lungo. 2011. Options for improving small-
holder agriculture in Zambia. J Agr Sci 3:50-62.