Assertion: manure's content | /r/HasProperty | represented as 12 lb/ton of n
Facets:
Source sentences:
text: The nutrient content of horse manure can also be represented as 12 lb/ton of N, 5 lb/ton of P 2 O 5 , and 9 lb/ton of K 2 O (nutrient values for any manure vary widely, so these are only guidelines).