A farmer in Zambia proudly displays a cob of vitamin A maize from her latest harvest. Now that the benefits of vitamin A are more widely understood, farmers and consumers are increasingly enthusiastic about orange maize. Photo credit: Hugo De Groote (CIMMYT-Nairobi)

A farmer in Zambia proudly displays a cob of vitamin A maize from her latest harvest. Now that the benefits of vitamin A are more widely understood, farmers and consumers are increasingly enthusiastic about orange maize. Photo credit: Hugo De Groote (CIMMYT-Nairobi)

A farmer in Zambia proudly displays a cob of vitamin A maize from her latest harvest. Now that the benefits of vitamin A are more widely understood, farmers and consumers are increasingly enthusiastic about orange maize. Photo credit: Hugo De Groote (CIMMYT-Nairobi)