Can no-tillage stimulate carbon sequestration in agricultural soils? A meta-analysis of paired experiments

Can no-tillage stimulate carbon sequestration in agricultural soils? A meta-analysis of paired... Research highlights Our meta-analysis based on data from 69 paired-experiments indicated that: &z.rtrif; Cultivation with conventional tillage (CT) and no-tillage (NT) resulted in comparable soil C loss comparing with adjacent natural soils. &z.rtrif; In most cases, adopting NT did not increase the total C in the soil profile. &z.rtrif; Climatic conditions and fertilization did not significantly regulate the response of soil C to the adoption of NT. &z.rtrif; However, the type of crops and cropping systems caused variations in soil C change after adopting NT. Compared with CT, NT in double cropping systems significantly increased soil total C, while NT in single cropping systems with more diverse crop types could lead to net reduction in total soil C. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Agriculture, Ecosystems & Environment Elsevier

Can no-tillage stimulate carbon sequestration in agricultural soils? A meta-analysis of paired experiments

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Publisher
Elsevier
Copyright
Copyright © 2010 Elsevier B.V.
ISSN
0167-8809
DOI
10.1016/j.agee.2010.08.006
Publisher site
See Article on Publisher Site

Abstract

Research highlights Our meta-analysis based on data from 69 paired-experiments indicated that: &z.rtrif; Cultivation with conventional tillage (CT) and no-tillage (NT) resulted in comparable soil C loss comparing with adjacent natural soils. &z.rtrif; In most cases, adopting NT did not increase the total C in the soil profile. &z.rtrif; Climatic conditions and fertilization did not significantly regulate the response of soil C to the adoption of NT. &z.rtrif; However, the type of crops and cropping systems caused variations in soil C change after adopting NT. Compared with CT, NT in double cropping systems significantly increased soil total C, while NT in single cropping systems with more diverse crop types could lead to net reduction in total soil C.

Journal

Agriculture, Ecosystems & EnvironmentElsevier

Published: Oct 15, 2010

References

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