; (C) the connection between soil organic carbon levels and crop yield and resiliency; (D) the effect of multiple practices on soil organic carbon levels; (E) potential barriers to soil health and carbon data collection across a variety of geographic regions; and (F) carbon permanence and loss of soil-sequestered carbon, based on weather, management, and other relevant factors, and the depth of sequestered carbon by different practices; and (2) to conduct research relating to soil health and carbon science at agriculture research stations of the Department of Agriculture.