Protecting cassava from disease? There's an app for that: Cassava leaves at a market in the Democratic Republic of Congo. Reuters/James AkenaCassava is one of the developing world’s most important crops. Its starchy roots and leaves are a staple food for more than 500 million people in Africa each day. And Africa produces half of the world’s total cassava output; the … [Read more...] about Protecting cassava from disease? There’s an app for that | The Conversation