earthy

The earthy smell of fresh turned loam told me the farmer had started plowing this morning, the definitive sign of spring for me.

She was an earthy soul, the salt of the earth as they say of such rural folk, untarnished by false civilization.

earthy humour

He was wet through with the dew and quite earthy from diving into the burrows the Boy had made for him in the flower bed, and Nana grumbled as she rubbed him off with a corner of her apron.