{
  "dates": [
    {
      "date": "2022-02-08",
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      "subject": "EARTH SCIENCE > AGRICULTURE > AGRICULTURAL CHEMICALS > FERTILIZERS",
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  "descriptions": [
    {
      "description": "The fertilization rates are based on the harmonized land use dataset by Hurtt, G. et al. (2020, see also https://luh.umd.edu). They used different sources, please read their manuscript for of further information.",
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    },
    {
      "description": "The Inter-Sectoral Impact Model Intercomparison Project (ISIMIP) provides a framework for the collation of a consistent set of climate impact data across sectors and scales. It also provides a unique opportunity for considering interactions between climate change impacts across sectors through consistent scenarios.<br>The ISIMIP3a part of the third simulation round is dedicated to i) impact model evaluation and improvement and ii) detection and attribution of observed impacts according to the framework of IPCC AR5 Working Group II Chapter 18. To this end all simulations are driven by observed socio-economic information combined with either observed (factual) climate data or a detrended (counterfactual) version of the observed climate allowing for the generation of a \u201cno climate change\u201d baseline.<br>We provide the nitrogen fertilization rate per our five canonical crop types, i.e. for both annual and perennial C3 and C4 crops, as well as for nitrogen fixing crops. In particular, this describes the application of industrial, mineral nitrogen. The data are provided on an annual times step on the land surface of a global 0.5\u00b0 \u00d7 0.5\u00b0 grid. The units are kilograms per year and per hectare.<br>Data is available for the time period: historical (1860-2018).<br>Version 1.1 of this dataset adds the 1901soc scenario with fixed year-1901 direct human influences.",
      "descriptionType": "Abstract"
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        "eastBoundLongitude": 179.5,
        "northBoundLatitude": 89.5,
        "southBoundLatitude": -89.5,
        "westBoundLongitude": -179.5
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