Articles | Volume 10, issue 2
Earth Syst. Sci. Data, 10, 969–984, 2018
https://doi.org/10.5194/essd-10-969-2018
Earth Syst. Sci. Data, 10, 969–984, 2018
https://doi.org/10.5194/essd-10-969-2018

  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 et al.

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Latest update: 23 Oct 2021
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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.