The Nature of Things

The First Inch (14x6)

Date de diffusion: Jan 14, 1974

What goes on in the very top layer of soil is often too small to see with the naked eye. When photographed under a microscope, that first inch of soil reveals itself to be one of the most vital of the life cycles affecting man. The tiny, invisible hordes of bacteria, plant eaters, parasites and predators are the subject of this program.