Assertion: manure's lb | /r/HasProperty | n/acre
Facets:
Source sentences:
text: As an example it is assumed that an established grass pasture has an annual requirement for 150 to 160 lbs N/acre but that only 1/3 of the total N should be applied per pasture rotation cycle.
text: As an example, it is assumed that a grass pasture established in the early fall has a requirement for 60 lbs N/ acre.