National Geographic : 1984 Sep
has caused families to abandontheir homes. He encouragesfarmers to curb runoff by constructing terraces and laying down undergroundpipes to drain excess water off the fields and into small storage basins. "We're losing 40 tons an acre on some farms," he says. "The high price of soybeans caused a real plow-out. Let's face it: Economics is the name of the erosiongame."