Having a pH level close to neutral (around 7); neither significantly acidic nor basic.
From circum- (around) + neutral. Scientific term indicating something near the neutral point on the pH scale.
Soil scientists use 'circumneutral' constantly because most plants prefer soil that's circumneutral—around pH 6-7. Too acidic or basic, and many crops simply won't grow, which is why farmers test and adjust their soil pH carefully.
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