A question about soil chemistry final assignment

Fragment of a discussion from Course talk:APBI403

I look into the background information of 13 samples. Some tell me soil orders but some not. I think the features of soil which provied by background information and connect them to the features of basic 10 soil orders, then I can figure out which order the sample belongs to.

XiaoyingWu (talk)20:51, 3 November 2017