Battling a Virus Ravaging East Africa’s Cassava Crops
http://www.nytimes.com/2010/06/01/science/01cassava.html?...
Cassava, eaten by 800 million people in Africa, South America and Asia, is threatened by a blight.
http://www.nytimes.com/2010/06/01/science/01cassava.html?...
Cassava, eaten by 800 million people in Africa, South America and Asia, is threatened by a blight.