Look for the article in next month's Science, by Columbia's Pedro Sanchez and Jeff Sachs, on the advances in fighting draught-based malnutrition in Malawi:
Ending Famine, Simply by Ignoring the Experts - New York Times: "...In Malawi itself, the prevalence of acute child hunger has fallen sharply. In October, the United Nations Children’s Fund sent three tons of powdered milk, stockpiled here to treat severely malnourished children, to Uganda instead. “We will not be able to use it!” Juan Ortiz-Iruri, Unicef’s deputy representative in Malawi, said jubilantly. Farmers explain Malawi’s extraordinary turnaround — one with broad implications for hunger-fighting methods across Africa — with one word: fertilizer [...]"