Most commercial fertilizer travels a long way before it reaches rural farmers in Kenya. Transportation costs force many farmers to rely on cheap, synthetic fertilizers, which can lead to the acidification and degradation of their soil over time. The situation amounts to a multigenerational crisis as elders have watched their crop yields dwindle over the course of decades. Now Safi Organics is using a technology honed at MIT’s D-Lab to make organic fertilizer that can help restore such farmlands. The fertilizer is made locally using the residue from crops after…
