New Evidence Shows Fertile Soil Gone From Midwestern Farms
One third of the cropland in the upper Midwest has entirely lost its fertile topsoil, according to a new study. Other scientists doubt that figure, but agree that soil loss is a big problem.
Farming has destroyed a lot of the rich soil of America's Midwestern prairie. A team of scientists just came up with a staggering new estimate for just how much has disappeared.
The most fertile topsoil is entirely gone from a third of all the land devoted to growing crops across the upper Midwest, the scientists say. Some
