Circumneutral is a descriptor for soils which have a pH that is close to neutral.
Circumneutral soils have a pH between 6.5 and 7.5.
[1] A soil’s pH affects whether minerals dissolve in the soil and how quickly they dissolve.
This causes circumneutral soils to have unique chemical qualities.
[2] Certain species prefer or only grow in circumneutral soils.