"CEC_ph0-nh4oac" . "CEC_ph0-nh4oac"@en . . . . "Leenaars J.G.B., A.J.M. van Oostrum and M. Ruiperez Gonzalez, 2014. Africa Soil Profiles Database, Version 1.2. A compilation of georeferenced and standardised legacy soil profile data for Sub-Saharan Africa (with dataset). ISRIC Report 2014/01. Africa Soil Information Service (AfSIS) project and ISRIC - World Soil Information, Wageningen, the Netherlands. See Annex 4." . . "CEC unbuffered at pH of the soil, in 1 M NH4-acetate (NH4OAc) exchange solution (0.25-1.0 M)" . .