Reduction in nitrogen fertilizer use results in increased rice yields and improved environmental protection

文献类型: 外文期刊

第一作者: Wang, Huaiyu

作者: Wang, Huaiyu;Hu, Ruifa;Chen, Xiaoxue;Zheng, Zuting;Zhong, Xuhua;Huang, Nongrong;Xue, Chunling

作者机构:

关键词: Rice production;Three-Control Technology (TCT);nitrogen fertilizer;nitrogen fertilizer retrusion;environmental impact

期刊名称:INTERNATIONAL JOURNAL OF AGRICULTURAL SUSTAINABILITY ( 影响因子:2.905; 五年影响因子:3.734 )

ISSN: 1473-5903

年卷期: 2017 年 15 卷 6 期

页码:

收录情况: SCI

摘要: Overuse of nitrogen fertilizer represents a considerable environmental problem globally, but especially in China. Recently, a recent approach on an experimental scale based on the diffusion of the so-called Three-Control Technology (TCT) successfully alleviated the overuse of nitrogen fertilizer in southern China villages in the Guangdong Province, serving as a reference point for other rice-producing countries tackling similar challenges. Here, we assessed the correlation between rice yields and reduction in the use of nitrogen fertilizer following the introduction of TCT. Our study was based on the collection of primary data from 248 households randomly selected from four rice-growing areas of Guangdong Province, China. Our results show that TCT significantly improved the efficiency in the use of nitrogen. Crucially, participating farmers, including both full adopters and partial adopters, were found to fundamentally change their application practices of nitrogen fertilizer, resulting in major improvements in the local soil and water systems.

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