Assertion: sulfur | /r/ObjectUse | used as pesticide
Facets:
value: since very early times
type: TEMPORAL
Source sentences:
text: Sulfur has been known and used as a pesticide since very early times, and has been registered for pesticidal use in the United States since the 1920s (8).
text: Sulfur is used as a pesticide (specifically as an acaricide and fungicide) on "orchard, ornamental, vegetable, grain, and other crops.