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Search: authors:"Mark T. van Wijk"

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Food availability and livelihood strategies among rural households across Uganda

Despite continuing economic growth, Uganda faces persistent challenges to achieve food security. The effectiveness of policy and development strategies to help rural households achieve food security must improve. We present a novel approach to relate spatial patterns of food security to livelihood strategies, including the contribution of on- and off-farm activities to household ...

Adaptation of agriculture to climate change in semi-arid Borena, Ethiopia

Livestock production is very risky due to climate variability in semi-arid Sub-Saharan Africa. Using data collected from 400 households in the Borena zone of the Oromia Region, we explored what drives adoption of agricultural practices that can decrease the vulnerability of agro-pastoralists to climate change. Households with more adaptive capacity adopted a larger number of ...

A meta-analysis of long-term effects of conservation agriculture on maize grain yield under rain-fed conditions

Conservation agriculture involves reduced tillage, permanent soil cover and crop rotations to enhance soil fertility and to supply food from a dwindling land resource. Recently, conservation agriculture has been promoted in Southern Africa, mainly for maize-based farming systems. However, maize yields under rain-fed conditions are often variable. There is therefore a need to ...

Productivity and residual benefits of grain legumes to sorghum under semi-arid conditions in southwestern Zimbabwe

Bongani Ncube Steve J. Twomlow Mark T. van Wijk John P. Dimes Ken E. Giller Responsible Editor: Liz Stockdale. The productivity and residual benefits of four grain legumes to sorghum (Sorghum