Clay in topsoil (percent of area)

Publishing Details

Publication Date: 
June, 2011
HarvestChoice/International Food Policy Research Institute (IFPRI)
SChEF r12.05
Jawoo Koo


Percentage of area with clay in topsoil. (aggregation type: WGHTD)

Data Sources & Credits

Sanchez, P.A., Palm, C.A., Buol, S.W. 2003. Fertility capability soil classification system: A tool to assess soil quality in the tropics. Geoderma 114:157-185.


Inland white colored areas other than water bodies indicate where no soil data is available, including primarily rocks and salts.


HarvestChoice, 2011. "Clay in topsoil (percent of area)." International Food Policy Research Institute, Washington, DC., and University of Minnesota, St. Paul, MN. Available online at

Additional Attributes

Geographic Coverage: West Africa, East & Central Africa, Southern Africa
Format/Platform: Data available for download in CSV format. Spatial data layer may be explored using MAPPR and downloaded in geoTIFF and ASCII raster formats.