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Long-term (47 yr) effects of tillage on soil organic carbon in a Dark Brown Chernozem soil in western Canada

Smith EG, Janzen HH, Scherloski L, Larney FJ and Ellert BH. 2016. Long-term (47 yr) effects of tillage on soil organic carbon in a Dark Brown Chernozem soil in western Canada. Canadian Journal of Soil Science 96: 347-350. doi: org/10.1139/cjss-2015-0120  Access to full text

Abstract

After 47 yr of no-till and reduced summerfallow at Lethbridge, Alberta, soil organic carbon concentration and stocks increased 2.14 g/kg and 2.22 Mg/ha in the surface 7.5 cm layer. These findings confirmed the conservation value of reducing tillage and summerfallow. The annual changes were relatively small.

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