<p>When Josh McBroom learns that the eighty acres of Iowa farmland he's purchased are all stacked up on top of each other at the bottom of a muddy little pond, he thinks he's been bamboozled. But McBroom knows he's got the better of the bargain when the pond dries up to reveal an acre of soil so rich that seeds spring up into full-grown plants in no time and even nickels grow into quarters.</p>