The deep roots of the clover penetrated the soil, that no plow ever touched.
The flat fields glowed with rich crops of grain, roots, and clover.
They were irrigated, and had been sown and re-sown with timothy grass and clover.
And he lies down on his back in a field of clover, and stares up at the sky.
Hence his crop “rotation,” his succession of wheat to clover, of grass ...