Will Falconer, DVM Moderator
Oh, Gay, this is the first time anyone's mentioned this to me, and it makes perfect sense! The soil is a motherlode of beneficial bacteria, yeasts, etc, and there are lines of product now sold for people around this understanding.
I've never thought of the "why" of this instinct of burying, but now I get it: it's inoculation and culturing at work! Very cool.
Thanks for sharing this knowledge.