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

Smith, E.G., Janzen, H.H., Scherloski, L., Larney, F.J., Ellert, B.H. (2016). Long-term (47 yr) effects of tillage and frequency of summerfallow on soil organic carbon in a Dark Brown Chernozem soil in western Canada, 96(4), 347-350. http://dx.doi.org/10.1139/cjss-2015-0120

Abstract

© 2016, Agricultural Institute of Canada. All rights reserved. After 47 yr of no-till and reduced summerfallow at Lethbridge, Alberta, soil organic carbon concentration and stocks increased 2.14 g kg-1 and 2.22 Mg ha-1, respectively, 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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