We don’t have enough organic farms. Why not?

It’s been weeks since he harvested his farm’s grains, and though Casey Bailey’s fields are mostly bare, something is brewing below.

He kneels on the ground, covered by a thin layer of straw as far as the eye can see, and prods gingerly into the soil. Barely scratching the surface, he points to white, fiber-like strands—hyphae, the filaments of a fungus—a worm and then a spider racing for cover.

Read the full story at National Geographic.