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Long-term reduction of nitrogen fertilizer use through knowledge training in rice production in China

Author

Listed:
  • Huang, Jikun
  • Huang, Zhurong
  • Jia, Xiangping
  • Hu, Ruifa
  • Xiang, Cheng

Abstract

Nitrogen (N) fertilizer has been excessively used in China's crop production, resulting in nonpoint pollution and significant greenhouse gas emissions. Previous studies show that farmers can reduce N-fertilizer upon receiving knowledge training. However, there is little evidence of the effectiveness of this effort in the long term. Based on an experimental study of site-specific nutrient management for rice production in China and a unique household dataset captured over seven years, this study shows that the traditional training approach has not been effective in reducing Chinese farmers' N-fertilizer use. Persistently reducing farmers' excessive use of N-fertilizer in the long term will require intensive in-field guidance – something that requires substantial investment and institutional innovation.

Suggested Citation

  • Huang, Jikun & Huang, Zhurong & Jia, Xiangping & Hu, Ruifa & Xiang, Cheng, 2015. "Long-term reduction of nitrogen fertilizer use through knowledge training in rice production in China," Agricultural Systems, Elsevier, vol. 135(C), pages 105-111.
  • Handle: RePEc:eee:agisys:v:135:y:2015:i:c:p:105-111
    DOI: 10.1016/j.agsy.2015.01.004
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    References listed on IDEAS

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