Subsidized Fertilizer: The Answer to Africa's Food Crisis?

Although overuse of fertilizer has caused environmental damage around the world, some scientists are calling for an increase in its application in African agriculture. In a paper published today in Science, a group of 16 researchers from the U.S., Brazil and China want to provide more subsidies for fertilizer use to enrich poor quality soil in Africa, while decreasing fertilizer use in other parts of the world.