Maize Production: Impact of Plant Population and Nitrogen Levels on Maize Yield

Maize is the most important cereal crop of the world after wheat and rice, growing everywhere in the irrigated as well as in rain-fed areas. Botanically, it is known as Zea mays L. and belongs to family Poaceae. It is an annual cross pollinated crop. Maize is grown as food as well as fodder crop and is the second most important crop after wheat in KPK Pakistan. Maize is the staple food of rural population in Pakistan. As a grain crop, maize is a rich source of food and it is also used on large scale in industries for manufacturing of corn oil, corn flakes, corn syrup and corn sugar.