Sub-Saharan Africa has suffered from low fertiliser use, and this has been driven by two main factors. Firstly, smallholder farmers, most of whom are resource-poor, are unable to afford the high prices of fertilisers. They tend to be further discouraged from investing in fertiliser due to uncertainties arising from erratic rainfall and volatility in output prices (Harawa, et al, 2019).
Secondly, smallholder farmers are accustomed to discounted fertilisers due to input