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HEALTH EFFECTS of AMMONIA - TFI | The Fertilizer Institute
www.tfi.orgpercent of manufactured ammonia is used as fertilizer. Some of this ammonia is chilled to a liquid form for direct injection into croplands as a fertilizer. A large amount of industrial ammonia is reacted with carbon dioxide to make urea fertilizer or used to make nitrate fertilizers.
Urea Fertilizer - Cornell University
nmsp.cals.cornell.eduammonia will be lost into the air. Soil pH, soil temperature, soil moisture, placement of the urea, wind speed, soil chemical and biological properties, and timing and amount of rain or irrigation all influence the percentage of N lost through volatilization. Figure 1: Urea is converted to ammonium carbonate and then ammonia gas.