PRODUCTIVITY AND PROFITABILITY OF MAIZE + GROUNDNUT ROTATIONS COMPARED WITH CONTINUOUS MAIZE ON SMALLHOLDER FARMS IN ZIMBABWE

By S. Waddington, J. Karigwindi. Experimental Agriculture, 2001

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Realigning research and extension to focus on farmers’ constraints and opportunities (2003, background): “A long-term Zimbabwe study found that grain yield and profitability can be increased by 50% or more if fertilizer is applied to maize after a grain legume rotation, or a maize–legume intercrop, compared to continuous maize (Waddington and Karigwindi, 2001).”
The farm-level economics of conservation agriculture for resource-poor farmers (2014, background): “Waddington and Karigwindi (2001) examined the economics of maize-groundnut rotations in Zimbabwe, using data from on-station experiments and on-farm trials.”
Productivity and residual benefits of grain legumes to sorghum under semi-arid conditions in southwestern Zimbabwe (2007, background): “…in Zimbabwe’s smallholder farming systems are also low (0.3 t ha−1; Nyakanda and Hildebrand 1999), but the yields we obtained were substantially better than smallholder farm yields of between 0.26 and 0.36 t ha−1 obtained in higher rainfall areas of the country (Waddington and Karigwindi 2001).”
LONG-TERM YIELD SUSTAINABILITY AND FINANCIAL RETURNS FROM GRAIN LEGUME–MAIZE INTERCROPS ON A SANDY SOIL IN SUBHUMID NORTH CENTRAL ZIMBABWE (2007, background): “In those rotational systems, legume yields and legume effects on raising maize yields can often be 2–5 times those of equivalent intercrops (e.g. Waddington and Karigwindi (2001) for groundnut, Mapfumo and Mtambanengwe (2004) for pigeonpea).”