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Top1. Introduction
Worldwide, over 850 million people do not have regular access to the minimum calories they require on a regular basis, and most of those are in Asia and sub-Saharan Africa (Hammond & Dub, 2012). At the same time, the subsistence farmers are most vulnerable to any shocks to their agricultural system which is the sole source of their livelihoods. These farmers are not only isolated and deprived of access to safety nets but are frequently exposed to pest and disease outbreaks and extreme weather events, which cause significant crop and income losses and aggravate food insecurity (Chauvin et al., 2012; Oyo, 2013). While agricultural growth has been the precursor to the acceleration of industrial growth in a number of emerging economies such as China, Brazil, and India, for sub-Saharan Africa, current agricultural productivity is low and there have been numerous failures in getting agriculture moving (Chauvin et al., 2012).
In contrast, the literature is rich with case studies where productivity led agricultural transformation is playing a significant role in economic transformation in general and making agriculture an important driver of growth in Africa (Thompson et al., 2007; Baiphethi & Jacobs, 2009; Haggblade, 2010; Africa Progress Panel Policy Brief 2010; Settle & Garba, 2011; Chauvin et al., 2012; Oyo, 2013). Studies have found that agriculture has been the engine of growth in most developing countries with causality running from agricultural growth to economy-wide growth in most cases, and that even small variations in agricultural productivity have had strong implications for the rate and pattern of economy wide growth (Chauvin et al., 2012). Furthermore, agricultural growth can provide the economy with much needed stimuli such as capital, labor, and foreign exchange to finance and fuel growth in non-agricultural sectors (Fan et al., 2013; Stave & Kopainsky, 2014).
In order to articulate the key issues in this paper, we provide definitions of key terms as outlined in Table 1.