“…The sector contributes significantly to the export earnings of the continent and is responsible for about a third of the GDP (Bjornlund et al, 2020;Lam et al, 2019). The importance of the agricultural sector to the economies of African countries does not mean that agriculture is the most productive sector of the economy (Bjornlund et al, 2020;Lam et al, 2019). Apart from socioeconomic constraints such as poor access to credit, low mechanization, and poor access to extension services, agricultural productivity across the continent is inhibited by biotic and abiotic factors such as poor or declining soil fertility, drought, Striga weed infestation, use of low-yielding varieties, and pests and diseases (Lobulu et al, 2019).…”