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    • The high-resolution topsoil plant-available phosphorus map of Estonia 

      Kull, Anne; Kikas, Tambet; Penu, Priit; Kull, Ain (University of Tartu, 2023-04-21)
      The high-resolution (1:10,000) hybrid topsoil plant-available phosphorus map was produced by combining: (a) arable-land polygons with the median topsoil P value, (b) the machine learning bagging model based predicted values ...