Earth System Science Data
Earth System Science Data
Earth System Science Data
Articles | Volume 10, issue 2
Articles | Volume 10, issue 2
https://doi.org/10.5194/essd-10-969-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-10-969-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 10, issue 2
04 Jun 2018
 | 04 Jun 2018

Historical nitrogen fertilizer use in agricultural ecosystems of the contiguous United States during 1850–2015: application rate, timing, and fertilizer types

Peiyu Cao, Chaoqun Lu, and Zhen Yu

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Short summary
A long-term N fertilizer use history is important for both field investigators and modeling community to examine the cumulative impacts of N fertilizer uses. We developed a spatially explicit time-series data set of nitrogen fertilizer use in agricultural land of the continental US during 1850–2015 at a resolution of 5 km × 5 km based on multiple data sources and historical cropland maps. It contains nitrogen fertilizer use rate, application timing, and ammonium and nitrate form fertilizer use.
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