A vendor sells green maize on a truck in Hatcliff neighbourhood, outside Zimbabwe's capital Harare, February 2, 2010. Zimbabwe may have to import over half the maize it needs this year to cover a deficit after drought has destroyed crops and left the country facing a severe food shortage, a farmers' group said on Monday. REUTERS/Philimon Bulawayo (ZIMBABWE - Tags: SOCIETY ENVIRONMENT FOOD BUSINESS)