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Data Products

Gridded time-series data of the US cropland distribution from 1850 to 2016

We reconstructed the cropland density maps by harmonizing multiple sources of inventory data and high-resolution satellite images. The...

Data of Global nitrogen and phosphorus fertilizer use in the past half century

Spatial distribution and changes of N/P ratio in synthetic fertilizer application across the world in the years of 1961, 1980, 1990, and...

Time series data of nitrogen fertilizer use in the US from 1850 to 2015

Agricultural nitrogen fertilizer use rate increased by 33 folds in the continental US during 1940-2015, with the hot-spots shifting from...