DBPapers
DOI: 10.5593/SGEM2015/B32/S13.010

CHARACTERISTIC AND CLASSIFICATION OF SLIGHTLY SALINE SOILS FROM SOFIA FIELD

N. Andreeva, B. Hristov
Wednesday 23 September 2015 by Libadmin2015

References: 15th International Multidisciplinary Scientific GeoConference SGEM 2015, www.sgem.org, SGEM2015 Conference Proceedings, ISBN 978-619-7105-37-7 / ISSN 1314-2704, June 18-24, 2015, Book3 Vol. 2, 73-78 pp

ABSTRACT
One of the widespread degradation processes is the salinity. In the Sofia field there are some small areas of slightly saline (solonetz-like and solonchak-like) soils and their classification is controversial. According to some authors these soils could be determined also as magnesium saline soil because of high percentage of exchangeable magnesium. They have limited distribution, poor agricultural potential and unfavourable physical properties because of their heavy texture. Nowadays they are used mainly for pasture. In Bulgarian soil classification system (1976) they are classified as Meadlow Cinnamonic, solonetz-like soil. This paper provides a new data for those soils and a new classification according to World Reference Base (WRB, 2006). The soil could be included in the Phaeozems reference soil group.

Keywords: saline soils, exchangeable magnesium, soil properties, soil classification

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