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Characterization of Pyrolysis Char for Use as an Agricultural Soil AmendmentBiochar - OtherAuthor: Keith Harris, Julia Gaskin, Leticia Sonon, and K.C. Das Description: The Southeastern Coastal Plain in the United States is a major agricultural production area; however, soils are typically low in cation exchange capacity (CEC), nutrient content, and organic carbon content. For example, Tifton loamy sand (fine-loamy, kaolinitic, thermic Plinthic Kandiudults) has organic carbon, CEC, and base saturation of less than 1%, 5 cmol kg-1, and 40%, respectively in the Ap horizon. Studies of charcoal in forest and agricultural systems indicate it affects soil fertility parameters and may affect overall productivity (Tryon, 1948; Glaser et al., 2002; Briggs, 2005). This study reports preliminary screening of pyrolysis chars from several feedstocks for nutrient concentrations and CEC. Login to post comments Printer friendly version |
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