Articles | Volume 12, issue 5
https://doi.org/10.5194/bg-12-1403-2015
https://doi.org/10.5194/bg-12-1403-2015
Research article
 | 
05 Mar 2015
Research article |  | 05 Mar 2015

Increase in soil organic carbon by agricultural intensification in northern China

Y. Liao, W. L. Wu, F. Q. Meng, P. Smith, and R. Lal

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Short summary
Agricultural intensification has contributed to sustained Chinese food supply since 1980s and also influenced soil organic carbon (SOC) stock. The study, conducted in Huantai county - a typical intensive farming region in northern China, found that from 1982 to 2011, farmland SOC stock (0-20cm) of the entire county increased by 59% which can be well explained by the increasing crop residues input. More technologies must be developed for enhancement of SOC and reduction of non-CO2 GHG emissions.
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