"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." . "BlkDensF_fe-unkn-fc"@en . . "BlkDensF_fe-unkn-fc" . "Fine earth. Type of sample unknown, at field capacity (0.33 bar, 33 kPa, 330 cm, pF 2.5), corrected for coarse fragments if any" . . . . .