About Sun Meng
About Tianjin Environment Monitoring Center
About Xu Yuan
About Tianjin Environment Monitoring Center
About Liu Maohui
About Tianjin Environment Monitoring Center
About Zhan Xianhui
About Tianjin Environment Monitoring Center
About Liu Jiahong
About Tianjin Environment Monitoring Center
About Zhang Ying
About Tianjin Environment Monitoring Center
About Zhang Ji
About Tianjin Environment Monitoring Center
About Zhongguo Shengtai Nongye Xuebao
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About Triticum aestivum
About mean air temperature
About spatial distribution
About farm land
About nitrogen
About ammonium ion
About nitrogen fertilizer
About ammonia nitrogen
About air pollution
About discharge
About ammonia
About urea compound
About 排出係数
About 決定係数
About 天津市
About Ammonia emission
About Emission factor
About Emission inventory
About Agricultural sources
About Nitrogen application
About Fertilizer type
About Crop
About Fertilizer application and efficiency
About Urea
About 天津
About 農地
About 窒素肥料
About 排出量
About 推定
About 分布
About 分析