Practice exam #3 - QUESTION 6

Fragment of a discussion from Course talk:APBI200

a) Since there is Ah>10cm, bs > 80% where Ca is the dominant cation, has a massive texture lower in the soil, and maybe its a grassland, I said it belonged to Chernozemic soil order. It also has a Bg layer, so i guess it could also be a Gleyzolic but it doesnt state that the water table fluctuates, so I think Chernozemic is the best fit.

BennettWardman (talk)18:44, 3 April 2020

Bennett, consider what is dominant gleying or the Chernozemic Ah?

SandraBrown (talk)02:44, 4 April 2020

I'm confused why we can conclusively say that this soil is of the Gleysolic order - it has a Chernozemic A horizon and is in a grassland, and also fits the properties of a Gleysol. Is it possible for it to be both? Why does one take precedence over the other?


DeclanTaylor (talk)21:46, 26 April 2020