Assertion: manure's pound | /r/MadeOf | about 1 pound of nitrogen
Facets:
value: in the first example
type: LOCATION
Source sentences:
text: So, in the first example, 5 to 7 pounds of dry pig manure would contain about 1 pound of nitrogen, and near the other extreme, 500 pounds of sawdust might contain only 1 pound of nitrogen.