Journal
AGRICULTURAL SYSTEMS
Volume 135, Issue -, Pages 105-111Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.agsy.2015.01.004
Keywords
Nitrogen fertilizer; SSNM; Knowledge training; Extension; Farmers
Categories
Funding
- Ministry of Science and Technology of the People's Republic of China [2012CB955700]
- National Natural Science Foundation of China [71333013, 71303228]
- China-UK Sustainable Agriculture Innovation Network
- Sino-German Research Project of the Ministry of Science and Technology [2007DFA30850]
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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. (C) 2015 Elsevier Ltd. All rights reserved.
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