Assertion: soil's ph | /r/HasProperty | neutral
Facets:
value: often
type: DEGREE
Source sentences:
text: The pH of sodic soils may be acidic, neutral or alkaline.
text: A pH of 7 is neutral, above 7 is alkaline and below 7 is acid.
text: Additional minerals may be added to meet the needs of specific plants, and the pH is often neutral, unless it has been modified.