Thứ Tư, 24 tháng 2, 2021

NPR News: New Evidence Shows Fertile Soil Gone From Midwestern Farms

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.

Read more on NPR
Science - February 24, 2021 at 08:08PM - New Evidence Shows Fertile Soil Gone From Midwestern Farms

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