Assertion: cowpea | /r/HasAspect | long domestication history
Facets:
value: very
type: DEGREE
Source sentences:
text: Cowpea has a very long domestication history, and many Asian countries have ancient records of planting and cultivating cowpea 2000 years ago, which has resulted in cowpea facing a similar threat [ 3 , 5 , 6 ].