Maize or corn as it known in many countries is the most widely grown crop in the world. Maize is used for both human consumption and as well as for animal feed. In view of its wide uses and coverage, maize is easily one of the most vital crops.

United States is the largest producer and exporter of maize. Majority of its maize output comprises of genetically modified maize. India exports maize to countries in Southeast Asia such as Vietnam and Malaysia, as well as to some African countries.