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A fertilizer (American English) or fertiliser is any material of natural or synthetic origin (other .... This ammonia is used as a feedstock for all other nitrogen fertilizers, such as anhydrous ammonium ... Deposits of sodium nitrate (NaNO3) ( Chilean saltpeter) are also found in the Atacama desert in Chile and ... Liquid vs solid[edit].


agronomic and environmental impact of nitrogen fertilizer choices. Mineral nitrogen ... index. 46,6 % lower environmental index of ammonium nitrate compared to urea* ..... The golden rule in fertilizer use remains simple: apply the right amount.


Apr 30, 2008 ... If you need only a certain element such as nitrogen and want it to be ... an inorganic fertilizer such as ammonium nitrate might be in order.


Mosaic Fertilizer Technology Research Centre - April 2013 Source: Fertiliser ... Nitrate-based products are the least acidifying of the nitrogen fertilizers, while ... due to use of phosphorus fertilizers is small compared to that attributed to nitrogen, ...


Jan 3, 2007 ... I want to use this article to address commonly asked questions regarding ... Most nitrogen fertilizer sources are made from anhydrous ammonia; Safety ... Liquid composed of one-half urea and one-half ammonium nitrate; Urea ...


Urea, a white crystalline solid containing 46% nitrogen, is widely used in the ... Urea can be readily nitrified – that is, converted to nitrate (NO3) – even when applied ... application of urea compared to the fall plowed-down application ( Table 4).


For use as a fertilizer, granular urea is processed from ammonia. ... When used alone, ammonium nitrate contains about 34 percent nitrogen. Both the single and  ...


Long-term use of chemical fertilizer can change the soil pH, upset beneficial microbial ecosystems, increase pests, and even ..... The Debate over Organic vs.


nitrogen and additional fertiliser nitrogen to meet their full demand and reach ..... continued use of urea compared to nitrates increases the difference in efficacy ...