Section 1
Chapter 221

The content of trace elements and factors affecting their distribution in the profiles of soils from tropical and temperate zones

Dobrzanski, B.; Glinski, J.; Cao Thai, V.

Annales Universitatis Mariae Curie-Sklodowska. Sectio E, Agricultura 26: 1-28


ISSN/ISBN: 0365-1118
Accession: 000220959

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The Ti, Mn, Sr, V, Cr, Zn, Ni, Cu, B and Co contents of samples of red, red-yellow and brown ferrallitic soils, brown siallitic-ferrallitic soils, red-yellow mountain humus-ferrallitic and mountain allitic-humus soils from North Vietnam, and of samples of acid brown and brown mountain soils on comparable parent rocks in south west Poland were determined. The tropical soils had higher trace element contents than the temperate soils. B and Co were easily leached from the surface horizons of both tropical and temperate soils, but Mn was easily removed from surface horizons of tropical soils only. Soils formed from basic igneous and clay sedimentary rocks in both climatic zones had higher trace element contents than soils formed from acid igneous rocks and sandstones. Larger amounts of B occurred in soils on sedimentary rocks than in soils on igneous or metamorphic rocks. In tropical soils trace element content increased with ferrallitization and trace elements, except B, accumulated in the illuvial horizons. Mn, Cr, V, Ni, Cu, Zn and Co accumulated in concretions.[143.17:116.9].

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