Nitrogen (N) is the mineral nutrient that crops require in the greatest amount. It has more
influence on crop growth, production, and quality than any other nutrient. Nitrogen is as
much essential to plant growth as it is a potential environmental pollutant. Nitrogen applied
to a field but not removed in harvested products is at risk of eventually leaving the field in
gaseous or liquid form. The N content of horticulture produces is generally lower than those
of agricultural crops. As a result, the proportion of fertilizer N disseminated out of the systems …