Acid soil

a soil of acid reaction or having a predominance of hydrogen ions, tasting sour in solution.
Historical Examples

The manure and fertilizer were nearly inactive in the acid soil.
Crops and Methods for Soil Improvement Alva Agee

Persian walnut, I believe, when on its own roots, is more or less allergic to acid soil.
Northern Nut Growers Association Thirty-Fourth Annual Report 1943 Various

The effect is very pronounced in times of drought, the alkaline soil crops drying up much more quickly than do those on acid soil.
Northern Nut Growers Association Thirty-Fourth Annual Report 1943 Various

It is more nearly profitable in an acid soil than in one that has no lime deficiency.
Crops and Methods for Soil Improvement Alva Agee

There are a few kinds of cultivated plants that seem to prefer an acid soil, and to resent lime applications.
Right Use of Lime in Soil Improvement Alva Agee

I discovered, for instance, that iron fence posts rust away in an acid soil; that one must use cedar or oak.
Growing Nuts in the North Carl Weschcke

Fine for lawns; grows slowly but vigorously almost everywhere but on an acid soil.
Making a Lawn Luke Joseph Doogue

noun
a soil that gives a pH reaction of below about 6, found especially in cool moist areas where soluble bases are leached away