Build the canonical Calcisol fixture

Synthetic semi-arid Calcisol on calcareous loess: A horizon with modest secondary carbonate; a thick Bk1 with the diagnostic calcic horizon (35% CaCO3 over 40 cm); deepening accumulation in Bk2. By construction:

• calcic: PASSES on Bk1 and Bk2.

• gypsic, salic: FAIL.

• argic, ferralic, mollic: FAIL.

Usage

make_calcisol_canonical()

Value

A PedonRecord.