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2. Labeling of fertilizer - Wikipedia

   en.wikipedia.org/wiki/Labeling_of_fertilizer

   [5] Fertilizers with additional macronutrients (S, Ca, Mg) may add more numbers to the N-P-K ratio to indicate the amount. The additional numbers are similarly reported in the oxide mass fraction form. For example, a Polish fertilizer labeled "NPK (Ca,S) 4-12-12 (14-29)" has an equivalent of 14% soluble calcium oxide and 29% total sulfur ...

3. Diammonium phosphate - Wikipedia

   en.wikipedia.org/wiki/Diammonium_phosphate

   Diammonium phosphate (DAP; IUPAC name diammonium hydrogen phosphate; chemical formula (NH 4) 2 (HPO 4)) is one of a series of water-soluble ammonium phosphate salts that can be produced when ammonia reacts with phosphoric acid. Solid diammonium phosphate shows a dissociation pressure of ammonia as given by the following expression and equation: [2]

4. 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.

5. Fertilizer - Wikipedia

   en.wikipedia.org/wiki/Fertilizer

   Phosphate fertilizers are obtained by extraction from phosphate rock, which contains two principal phosphorus-containing minerals, fluorapatite Ca 5 (PO 4) 3 F (CFA) and hydroxyapatite Ca 5 (PO 4) 3 OH. Billions of kg of phosphate rock are mined annually, but the size and quality of the remaining ore is decreasing.

6. Lifosa - Wikipedia

   en.wikipedia.org/wiki/Lifosa

   2017 ― New production plant of soluble crystalline mono-ammonium phosphate (MAP) was started, having the design production capacity of 30 thousand tons per year. 2018 ― This year, the company will start to produce another type of completely soluble fertilizer ― urea phosphate.

7. The Mosaic Company - Wikipedia

   en.wikipedia.org/wiki/The_Mosaic_Company

   The Mosaic Company was formed in October 2004 by a merger between IMC Global, a fertilizer company formed in 1909, and Cargill's crop nutrition division. It is a combined producer and marketer of concentrated phosphate and potash with a customer base which includes wholesalers, retail dealers and individual growers worldwide.