The Need To Shift To Irrigated Agriculture
The previous post provided some context on popular narratives about Africa and touched upon the issue of water scarcity. This post will deepen our understanding of rain-fed versus irrigated agriculture across Africa and emphasise the need to intensify irrigation for food security. Rain-fed agriculture: Rain-fed agriculture constitutes nearly 90% of Africa’s food production supply (Cooper and Coe, 2011) . Not only is this reliance on precipitation necessary to feed a growing population, but also for poverty reduction as 35% of Africa’s GDP comes from the agricultural sector (Rockström et al. , 2010) . Figure 1 – Seasonal variability in precipitation across Africa due to the ITCZ (red line). Currently, the Intertropical Convergence Zone (ITCZ) controls seasonal variability in precipitation across Sub-Saharan Africa (Ziegler et al. , 2013) . Figure 1 shows that countries in South Africa such as Zambia and Botswana experience a rainy season in January during the southern he...