Chemical fertilizer produced in three general categories: nitrate, phosphate, and potash. In 1860, Germany as the first chemical fertilizer producer on an industrial scale started the operating by building a unit where produced phosphate chemical fertilizer from urea phosphate and its production’s reached to 175 million tonnes.
China is known as the largest producer and one of the biggest chemical fertilizer consumers in the whole world that its production’s amount had been about 54 million tonnes and its average price range of urea is estimated about 2.5 thousand Yuan per tonne in this country.