Assertion: cowpea | /r/HasProperty | cultivated on 12.5 million hectares
Facets:
value: according to a 1997 estimate
type: OTHER
Source sentences:
text: A 1997 estimate suggests that cowpeas are cultivated on 12.5 million hectares (31 million acres), have a worldwide production of 3 million tonnes and are consumed by 200 million people on a daily basis.
text: Estimating world cowpea production is rather difficult, as it is usually grown in a mixture with other crops, but according to a 1997 estimate, cowpeas are cultivated on 12.5 million hectares (31 million acres) and have a worldwide production of 3 million tonnes.