How does Erskine Caldwell use imagery in Tobacco Road?

Imagery:

"Outside, he heard a ladder scrape against the weatherboards. Jeeter had found the ladder under the crib and had brought it to the window."

“her stockings had been made by wrapping some of the longer of the black rags around her legs and tying the legs with knots. The coat and shirt she wore had been torn into strips an: shreds by the briars and blackjack pricks in the thicket where she gathered up the dead twigs for firewood, and there never had been new clothes for her.”

“When the smell of that new earth turning over behind the plows strikes me, I get all weak and shaky. It’s in my blood—burning broom-sedge and plowing in the ground this time of year.”