Professor Mohammed Gana Yisa, Commissioner of Agriculture, talks to visitors and students at an agriculture training collage at Malete near Shonga October 23, 2009. Africa's most populous nation of more than 140 million people, Nigeria imports about $3 billion worth of food annually and has been trying to boost its self-sufficiency. Picture taken October 23, 2009. To match feature NIGERIA-ZIMBABWE/FARMERS REUTERS/Hannington Osodo
(ZIMBABWE AGRICULTURE EDUCATION)