我国农田氧化亚氮排放的时空特征及减排途径

严圣吉, 尚子吟, 邓艾兴, 张卫建

Spatiotemporal Characteristics and Reduction Approaches of Farmland N2O Emission in China

Yan Shengji, Shang Ziyin, Deng Aixing, Zhang Weijian

图1 我国农田氮肥施用的时间（a）和空间（b）特征 地图来源于全国地理信息资源目录服务系统（https://www.webmap.cn/）,下同

Fig.1 Temporal (a) and spatial (b) characteristics of N application rate in farmland of China The map is from the National Geographic Information Resource Directory Service System (https://www.webmap.cn/), the same below