Most fertilizers today are produced in large-scale, capital-intensive units that are mostly located in Europe, China, and the Americas, and then shipped to the emerging markets. Due to the high logistical mark-up, many rural farmers in emerging markets are paying 2-3 times the world price for their fertilizer. Because of their limited income, farmers can often only afford the cheapest, synthetic fertilizer varieties that over the long term actually degrade and acidify their soil. Safi Organics uses technology to downsize and decentralize the fertilizer production process, making it feasible to be implemented profitably in rural villages using locally available resources, labor, and waste. We therefore drastically cut down the logistical cost of conventional fertilizer, and provide farmers access to a higher-quality product. We produce Safi Sarvi, a carbon-negative fertilizer blend that help rural farmers improve their yields by up to 30%.