Assertion: horseshoe crab | /r/HasProperty | harvested for fertilizer
Facets:
value: annually
type: TEMPORAL
value: between the 1920s
type: TEMPORAL
value: between the 1850s
type: TEMPORAL
Source sentences:
text: Between the 1850s and the 1920s, over one million horseshoe crabs were harvested annually for fertilizer and livestock feed (Shuster, 1982; Shuster and Botton, 1985).
text: They were once harvested for fertilizer and livestock feed; but this widespread practice ended in the 1920s, as the stock of horseshoe crabs began to decline and the public nuisance of the strong odor hastened the adoption of more competitive, alternative fertilizers (Walls et al., 2002).
text: In the United States during the 20th century, their populations declined significantly since they were being harvested for fertilizer and livestock feed .