Assertion: nodule | /r/HasProperty | white
Facets:
value: mostly
type: DEGREE
value: usually
type: DEGREE
Source sentences:
text: When nodules are young and not yet fixing nitrogen, they are usually white or gray inside.
text: At this time, you may be able to remove a plant stress, but it is too late to inoculate if the nodules are mostly green, gray, or white since the native rhizobia are likely inefficient nitrogen fixers.
text: If the nodules are very small and white, they may be immature and have not begun fixing nitrogen.