The literature review concerns mainly the second half of the last century and does not
claim to be totally comprehensive. Most soil related information was published in ‘‘Boor en
Spade’’ (Auger and Spade), a journal initiated and issued by STIBOKA from 1948 to 1981.
All contributions are in Dutch, often with short English summaries. Many of the articles in
this series refer back to even older publications, some to the second half of the 19th century.
The information was analysed and prepared in text and table format for publication