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    FederalMajor Land UsesDepartment of Agriculture — ERS has been a source of major land use estimates in the United States for over 50 years, and the related U.S. cropland used for crops series dates back to 1910. The...
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    FederalNitrous Oxide flux measurements under various amendmentsU.S. Environmental Protection Agency — The dataset consists of measurements of soil nitrous oxide emissions from soils under three different amendments: glucose, cellulose, and manure. Data includes the...
