Assertion: compound fertilizer | /r/HasProperty | produced
Facets:
value: from purer materials
type: OTHER
value: often
type: TEMPORAL
value: by mixing straight fertilizers
type: MANNER
Source sentences:
text: Compound fertilizers, which contain N, P, and K, can often be produced by mixing straight fertilizers.
text: Liquid compound fertilizers are much more expensive than solids, as they have to be manufactured from purer materials.