articleSoil Science Society of America JournalNov 1, 2002Closed access

Soil Organic Carbon Sequestration Rates by Tillage and Crop Rotation

TOTristram O. WestWMW. M. Post

Oak Ridge National Laboratory

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Abstract

Changes in agricultural management can potentially increase the accumulation rate of soil organic C (SOC), thereby sequestering CO 2 from the atmosphere. This study was conducted to quantify potential soil C sequestration rates for different crops in response to decreasing tillage intensity or enhancing rotation complexity, and to estimate the duration of time over which sequestration may occur. Analyses of C sequestration rates were completed using a global database of 67 long‐term agricultural experiments, consisting of 276 paired treatments. Results indicate, on average, that a change from conventional tillage (CT) to no‐till (NT) can sequester 57 ± 14 g C m −2 yr −1 , excluding wheat ( Triticum aestivum…

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Topics & keywords

Topics
Keywords
  • Carbon sequestration
  • Soil carbon
  • Tillage
  • Crop rotation
  • Environmental science
  • Agronomy
  • Soil science
  • Carbon fibers
UN Sustainable Development Goals
  • Zero hunger
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