Assertion: nitrogen fertilizer | /r/HasProperty | anhydrous ammonia
Facets:
Source sentences:
text: Ammonia is a gas at atmospheric pressure but can be compressed into a liquid, as is the case with the nitrogen fertilizer anhydrous ammonia.
text: Three of the four liquid nitrogen fertilizers - anhydrous ammonia, aqua ammonia and low-pressure 37-41% N solutions - must be injected into the ground to avoid loss of ammonia (gaseous) nitrogen to the air