M aize (Zea mays L.) is the member of family Poaceae (Gramineae) and is widely grown worldwide. Humans and livestock are dependent on maize for food. Its grain contains starch, protein, oil, fiber, sugar and ash having percentage of 72%, 10%, 4.8%, 8.55%, 3.05% and 1.7% respectively. Its total annual production is 3.7 million tons per 0.9 million hectares (Chaudhry, 1983;Haji et al., 2008). Primarily low fertile lands are responsible for its low production while the input of man-made fertilizers can significantly increase the yield simultaneously causing the environmental problems which are injurious to living beings and to surroundings in terms of runoff, leaching, eutrophication and emission of nitrogen in aquatic ecosystems (
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