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2. Rentech Nitrogen Announces Completion of Project to ... - AOL

   www.aol.com/news/2013-01-15-rentech-nitrogen...

   LOS ANGELES--(BUSINESS WIRE)-- Rentech Nitrogen Partners, L.P. (NYS: RNF) , which manufactures and sells nitrogen fertilizer products including ammonia, urea ammonium nitrate solution (UAN) and ...

3. Fertilizer - Wikipedia

   en.wikipedia.org/wiki/Fertilizer

   Nitrogen fertilizers are made from ammonia (NH 3) produced by the Haber–Bosch process. [28] In this energy-intensive process, natural gas (CH 4) usually supplies the hydrogen, and the nitrogen (N 2) is derived from the air. This ammonia is used as a feedstock for all other nitrogen fertilizers, such as anhydrous ammonium nitrate (NH 4 NO 3 ...

4. UAN - Wikipedia

   en.wikipedia.org/wiki/UAN

   The combination of urea and ammonium nitrate has an extremely low critical relative humidity (18% at 30 °C) and can therefore only be used in liquid fertilizers. The most commonly used grade of these fertilizer solutions is UAN 32.0.0 (32%N) known as UN32 or UN-32, which consists of 45% ammonium nitrate , 35% urea and only 20% water.

5. CF Industries - Wikipedia

   en.wikipedia.org/wiki/CF_Industries

   CF Industries Holdings, Inc. is an American manufacturer and distributor of agricultural fertilizers, including ammonia, urea, and ammonium nitrate products. The company is based in Northbrook, Illinois, a suburb of Chicago, [3] and was founded in 1946 as the Central Farmers Fertilizer Company.

6. Urea - Wikipedia

   en.wikipedia.org/wiki/Urea

   Urea is widely used in fertilizers as a source of nitrogen (N) and is an important raw material for the chemical industry. In 1828, Friedrich Wöhler discovered that urea can be produced from inorganic starting materials, which was an important conceptual milestone in chemistry.

7. Yara International - Wikipedia

   en.wikipedia.org/wiki/Yara_International

   Its product line also includes phosphate and potash-based mineral fertilizers, as well as complex and specialty mineral fertilizer products. [3] [4] [5] The company was established in 1905 as Norsk Hydro — the world's first producer of mineral nitrogen fertilizers — and de-merged as Yara International ASA on 25 March 2004. [6]