Problematic WRB classification of the so called 'erubaz' soil, a volcanic soil type of Central Europe, Hungary

摘要

Today, the trend of re-evaluation of national and international soil classification systems carries new requirements on the recognition of soil genetic processes and their evaluation. The harmonization of the WRB and the national soil classification systems is frequently problematic, especially in the case of the small local soil groups of the national systems. The erubaz soil is a shallow soil influenced by the volcanic parent material in the Hungarian soil classification system. In the WRB the Andosols reference group assemblages the shallow volcanic soils with special physical, chemical and rnineralogical properties. This study reveals the relationship between the erubaz soils and the Andosols, and makes an attempt on the WRB classification of the erubaz soils.