Assertion: crop yield | /r/HasProperty | occurred in last year
Facets:
value: as a robust economy
type: MANNER
value: as farming techniques
type: MANNER
value: as fertilizers
type: MANNER
Source sentences:
text: What is interesting to note is, for many products, the absolute low crop yield occurred in the 1930s during the time of the Great Depression and Dust Bowl years, while the absolute high crop yield has occurred in the last year or two (2016/2017) as fertilizers, farming techniques, and a robust economy