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Scientists Say Fertile Soil Is Missing From Many Midwestern Farms It's estimated a third of the Upper Midwest's cropland has lost all of its topsoil, which is vital for growing crops. Even if there's a dispute on the number, scientists agree the loss is a problem.

Science

Scientists Say Fertile Soil Is Missing From Many Midwestern Farms

It's estimated a third of the Upper Midwest's cropland has lost all of its topsoil, which is vital for growing crops. Even if there's a dispute on the number, scientists agree the loss is a problem.

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