Assertion: soil's ph | /r/HasProperty | acidic
Facets:
Source sentences:
text: The pH of sodic soils may be acidic, neutral or alkaline.
text: Coconut coir also has a neutral pH, unlike peat or sphagnum, which is more acidic.
text: A pH of 4.0 is ten times more acidic than a pH of 5.0.