Assertion: cowpea | /r/HasProperty | grown as a cover crop
Facets:
value: for average yields
type: PURPOSE
Source sentences:
text: Cowpea should be intercropped or mixed cropped and also grown as a cover crop for average yields to be attained.
text: Cowpea being grown as a cover crop in a conservation agricultural project in Swaziland.
text: Cowpea can be grown as a cover crop or green manure.