Which diagnostic epidpedon is associated with the fertile soils of the central U.S., is dark in color, humus-rich, and has good structure?
A) ochric
B) histic
C) mollic
D) plaggen

Question

Quizplus · Accepted Answer

The diagnostic epipedon associated with the fertile soils of the central U.S. is mollic, which is characterized by a dark color, high organic matter content, and good soil structure. Ochric epipedons are thin and lack distinctive characteristics, histic epipedons are formed in saturated organic soils, and plaggen epipedons are man-made additions of organic material to the surface of the soil.

Which Diagnostic Epidpedon Is Associated with the Fertile Soils of the Central