Assertion: sugar beet | /r/AtLocation | north america
Facets:
value: after 1830
type: TEMPORAL
value: with the first commercial production
type: TEMPORAL
Source sentences:
text: The sugar beet was introduced to North America after 1830 with the first commercial production starting in 1879 at a farm in Alvarado, California.
text: The sugar beet was introduced to North America after 1830, with the first commercial production starting in 1879 at a farm in Alvarado, California.
text: The sugar beet was introduced to North America after 1830 with the first commercial production starting in 1879 at a farm in Alvarado, California.