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2. Ammonia volatilization from urea - Wikipedia

   en.wikipedia.org/wiki/Ammonia_volatilization...

   Ammonia volatilization from urea. Urea (46-0-0) accounts for more than fifty percent of the world's nitrogenous fertilizers. [1] It is found in granular or prill form, which allows urea to be easily stored, transported and applied in agricultural settings. It is also the cheapest form of granular nitrogen fertilizer.

3. Ammonium nitrate - Wikipedia

   en.wikipedia.org/wiki/Ammonium_nitrate

   Ammonium nitrate is an important fertilizer with NPK rating 34-0-0 (34% nitrogen). It is less concentrated than urea (46-0-0), giving ammonium nitrate a slight transportation disadvantage. Ammonium nitrate's advantage over urea is that it is more stable and does not rapidly lose nitrogen to the atmosphere.

4. Labeling of fertilizer - Wikipedia

   en.wikipedia.org/wiki/Labeling_of_fertilizer

   The NPK analysis label. Fertilizers are usually labeled with three numbers, as in 18-20-10, indicating the relative content of the primary macronutrients nitrogen (N), phosphorus (P), and potassium (K), respectively. More precisely, the first number ("N value") is the percentage of elemental nitrogen by weight in the fertilizer; that is, the ...

5. Urea - Wikipedia

   en.wikipedia.org/wiki/Urea

   Urea is Neo-Latin, from French urée, from Ancient Greek οὖρον (oûron) 'urine', itself from Proto-Indo-European *h₂worsom . It is a colorless, odorless solid, highly soluble in water, and practically non-toxic ( LD 50 is 15 g/kg for rats). [7] Dissolved in water, it is neither acidic nor alkaline.

6. The Mosaic Company - Wikipedia

   en.wikipedia.org/wiki/The_Mosaic_Company

   The Mosaic Company. The Mosaic Company is a Fortune 500 company based in Tampa, Florida which mines phosphate, potash, and collects urea for fertilizer, through various international distribution networks, [3] and Mosaic Fertilizantes. [4] It is the largest U.S. producer of potash and phosphate fertilizer.

7. 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. Other ...