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Estimating NH<sub>3</sub> emissions from agricultural fertilizer application in China using the bi-directional CMAQ model coupled to an agro-ecosystem model

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Academic year: 2017

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Figure 1. The modeling system of agricultural fertilizer NH 3 emis- emis-sion for China.
Figure 2. The modeling domain. The black points represent the lo- lo-cations of the nitrate observations.
Figure 3. The nine agriculture regions in China. The thin black line represents the county boundary and the small insert represents the South China Sea and its islands.
Table 2. Ratio of basal and topdressing fertilizer for major crops in each agriculture region.
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