TABLE 7 | ||||||
U.S. PRODUCER STOCKS OF FIXED NITROGEN | ||||||
COMPOUNDS AT END OF PERIOD | ||||||
(Thousand metric tons of contained nitrogen) | ||||||
Material1 | 2014 | 2015 | ||||
Ammonia: | ||||||
January-June | 190 | 320 | ||||
July-December | 280 | 420 | ||||
Nitrogen solutions:2 | ||||||
January-June | 270 | 460 | ||||
July-December | 410 | 470 | ||||
Urea: | ||||||
January-June | NA | NA | ||||
July-December | NA | NA | ||||
Ammonium phosphates:3 | ||||||
January-June | 38 | 42 | ||||
July-December | 50 | 42 | ||||
Ammonium nitrate: | ||||||
January-June | NA | NA | ||||
July-December | NA | NA | ||||
Ammonium sulfate: | ||||||
January-June | 33 | 27 | ||||
July-December | 41 | 49 | ||||
Yearend total4 | 780 | 980 | ||||
NA Not available.- | ||||||
1Ranked in relative order of importance. | ||||||
2Urea-ammonium nitrate and ammoniacal solutions. | ||||||
3Diammonium and monoammonium phosphates. | - | |||||
4Calendar year ending December 31. | ||||||
Source: The Fertilizer Institute; data adjusted by the | ||||||
U.S. Geological Survey. | ||||||
Source: United States Geological Survey Mineral Resources Program
See also: Mineral commodity prices