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Urea (urea), also known as urea, carbamide, chemical formula is CH4N2O or CO(NH2)2, is an organic compound composed of carbon, nitrogen, oxygen, hydrogen, is a white crystal. One of the simplest organic compounds, it is the main nitrogenous end product of protein metabolic breakdown in mammals and certain fish.As a neutral fertilizer, urea is suitable for a variety of soils and plants. It is easy to preserve, easy to use, small damage to the soil, is a large use of a chemical nitrogen fertilizer, but also the highest nitrogen content. In industry, ammonia and carbon dioxide are used to synthesize urea under certain conditions.
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