Maize is an important cereal crop world wide, not only as a staple food in various parts of the world, but also as a major component of feeds for the animals. Adapted to a wide range of climates, the crop is mostly grown between latitudes 30 and 55, principally in latitudes below 47 . It is a warm weather crop, doing best when temperatures in the warm months range from 21 to 27 C. The judicious use of organic and mineral fertilizers may increase micronutrient density in grain destined for human consumption and play a promising rule in reducing human's micronutrient deficiency. The integrated...