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has been cited by the following article:

• TITLE: Effects of Land Use Change, Cultivation, and Landscape Position on Prairie Soil Organic Carbon Stocks

  AUTHORS: Ronald K. Salemme, Kenneth R. Olson, Alexander N. Gennadiyev, Roman G. Kovach

  KEYWORDS: Soil Organic Carbon, Soil Erosion, Land Use Change, Tallgrass Prairie

  JOURNAL NAME: Open Journal of Soil Science, Vol.8 No.7, July 10, 2018

  ABSTRACT: Temperate grassland soils are typically a sink for carbon. However, it is estimated that up to 99% of tallgrass prairies in North America have been converted to another land use. These conversions can lead to increased soil erosion and soil organic carbon (SOC) mineralization rates, turning a large carbon sink into a source. The purpose of this study was to compare by land use the retention of SOC, TSN, and fly ash on sloping landscapes with an emphasis on measuring the subsoil in addition to the surface soil. Eight paired plots were established on adjacent, sloping landscape profiles in western Iowa; one site a cropland and the other a remnant tallgrass prairie. The prairie landscape had a baseline SOC stock of 232 Mg-C ha-1. After roughly 150 years of agriculture the cropland had 52% less SOC, 39% less TSN, and 22% less fly ash which equates to annual losses of 0.55 Mg-C ha-1 yr-1, 0.04 Mg-N ha-1 yr-1, and 0.0002 Mg-fly ash ha-1 yr-1.