Long-term (47 yr) effects of tillage and frequency of summerfallow on soil organic carbon in a Dark Brown Chernozem soil in western Canada-Reference-Cited by-同舟云学术

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

Published:2016-12-01 Issue:4 Volume:96 Page:347-350
ISSN:0008-4271
Container-title:Canadian Journal of Soil Science
language:en
Short-container-title:Can. J. Soil. Sci.

Author:

Smith Elwin G.¹,Janzen H. Henry¹,Scherloski Lauren¹²,Larney Francis J.¹,Ellert Benjamin H.¹

Affiliation:

1. Agriculture and Agri-Food Canada, Lethbridge Research Centre, Lethbridge, AB T1J 4B1, Canada.

2. University of Lethbridge, Lethbridge, AB T1K 3M4, Canada.

Abstract

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.

Publisher

Canadian Science Publishing

Subject

Soil Science

Link

http://www.nrcresearchpress.com/doi/pdf/10.1139/cjss-2015-0120

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