![Using added inorganic fertilizer may not be worth the financial risk for smallholder maize farmers on rain-fed farms in sub-Saharan Africa, such as this small maize farm in Tanzania.](https://secure.caes.uga.edu/news/multimedia/images/7353/web-maize-farm-tanzania-934762512.jpg)
Fertilizer is no silver bullet for farmers in sub-Saharan Africa
Using fertilizer to increase crop yields in sub-Saharan Africa may seem like a logical choice, but farmers in rain-fed areas must also weigh the potential for low rainfall or excess heat during the growing season.