Assertion: horseshoe crab | /r/HasProperty | dried for use
Facets:
value: in the 1900s
type: TEMPORAL
value: before the advent of artificial fertilizers
type: TEMPORAL
value: as fertilizer and poultry food supplements
type: PURPOSE
Source sentences:
text: In the 1900s, horseshoe crabs were dried for use as fertilizer and poultry food supplements before the advent of artificial fertilizers.