数字农科院2.0

Assessment of nitrate leakage and N2O emission from five environmental-friendly agricultural practices using fuzzy logic method and empirical formula

文献类型： 外文期刊

作者： Qin, Lihuan;Wu, Yongfeng;Wang, Qian;Luo, Liangguo;Wang, Yan;Qin, Lihuan

作者机构：

关键词： Fuzzy logic method;Empirical formula;Nitrateleaching;N2O emission;Environmental-friendly agricultural practices

期刊名称： ENVIRONMENTAL MONITORING AND ASSESSMENT

ISSN：

年卷期：

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收录情况： SCI

摘要： Agricultural nonpoint source pollution in China has been the major environmental problem, so environmental-friendly agricultural practices (EAPs) must be promoted to improve environmental quality. However, the most suitable practices for each agricultural region must first be identified. Thus, in the presented study a fuzzy-logic method and a revised empirical formula were used to assess nitrate leakage and N2O emissions, respectively, and to compare five EAPs in Xinxiang, a major grain-producing county in Henan Province, China. The required information was collected in face-to-face interviews with 10 extension service experts from the county, using a questionnaire to explore their opinions of the EAPs currently adopted by smallholder farmers, as well as the amounts, frequencies, varieties and proportions of nitrogen fertilizers applied annually. The results indicate that reduced tillage, soil testing and fertilizer recommendations would be the most appropriate practices to initially promote on a large scale in Xinxiang.

分类号： X8

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