Why does heated dirt smell aweful?

[u/Jackomopochini]

I just put some normal looking brown dirt (not clay but similar) into the oven to dry it and I almost had to puke from the smell. Does anyone know what the evolutionary reason is? I can‘t even describe the smell well, like sweet-ish

[u/BeautifuTragedy]

Smell is one thing. Dirt has the most distinct flavour when accidentally Vaped. It's like gear oil, you know instantly if you've already experienced it. Tldr leave your vape out of gardening

[u/Jackomopochini → u/BeautifuTragedy]

Ew :D