Supplementary data for: Global Gridded Nitrogen Indicators: Influence of Crop Maps

K. Kaltenegger
indicators on a global grid pose unique opportunities to quantify environmental impacts from N application simultaneously on various scales and different world regions. Such calculations require the use of maps showing the geo-spatial distribution of crop production. Although there are several crop maps in the scientific literature to choose from, the consequences of this choice for the calculation of N indicators still needs to be evaluated. In this study we analyze the differences of the...
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