Wiktionary
pedon
n. In soil science, a three-dimensional body of soil with dimensions large enough to permit the study of individual soil horizons.
Usage examples of "pedon".
But she did understand that they were doing factorial trials, altering the conditions in each pedon and tracking what happened.
She began to concentrate on that aspect of things, looking at the mechanical design of the pedons, and also the holding tanks for the living constituents of the soil.