Percentage of area with sodic soil. (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. "Soil Sodicity (share of area)." International Food Policy Research Institute, Washington, DC., and University of Minnesota, St. Paul, MN. Available online at http://harvestchoice.org/node/4969.