ahlam1399
07-11-2017, 05:18 PM
Almost a billion people around the world rely on cassava as a staple food. The root vegetable is a versatile and calorie-rich crop that is resilient e**ugh to thrive in harsh climates.
أكثر... (http://www.cnn.com/2017/07/11/africa/cassava-disease-east-africa/index.html)
أكثر... (http://www.cnn.com/2017/07/11/africa/cassava-disease-east-africa/index.html)