About the Authors

Tomislav Hengl

tom.hengl@wur.nl

Affiliation ISRIC — World Soil Information, Wageningen, the Netherlands

Jorge Mendes de Jesus

Affiliation ISRIC — World Soil Information, Wageningen, the Netherlands

Robert A. MacMillan

Affiliation LandMapper Environmental Solutions Inc., Edmonton, Canada

Niels H. Batjes

Affiliation ISRIC — World Soil Information, Wageningen, the Netherlands

Gerard B. M. Heuvelink

Affiliations ISRIC — World Soil Information, Wageningen, the Netherlands, Wageningen University, Wageningen, the Netherlands

Eloi Ribeiro

Affiliation ISRIC — World Soil Information, Wageningen, the Netherlands

Alessandro Samuel-Rosa

Affiliation Federal Rural University of Rio de Janeiro, Rio de Janeiro, Brazil

Bas Kempen

Affiliation ISRIC — World Soil Information, Wageningen, the Netherlands

Johan G. B. Leenaars

Affiliation ISRIC — World Soil Information, Wageningen, the Netherlands

Markus G. Walsh

Affiliation The Earth Institute, Columbia University, New York, New York, United States of America, and Selian Agricultural Research Inst., Arusha, Tanzania

Maria Ruiperez Gonzalez

Affiliation ISRIC — World Soil Information, Wageningen, the Netherlands

Competing Interests

RAM is owner and retired principle of LandMapper Environmental Solutions Inc. There are no patents, products in development or marketed products to declare. This does not alter our adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: TH. Contributed to the writing of the manuscript: TH BM GH BK MW. Prepared input profile and covariate data: NB JL MG AR. Web mapping services and user interfaces: JJ ER. Cross-validation and quality control: AR GH BK NB RAM. Design of the system, programming and preparation of input data: TH JJ.