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Clay illuviation in calcareous Vertisols of Peninsular India

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Title Clay illuviation in calcareous Vertisols of Peninsular India
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Creator Satyavathi, P.L.A., Ray, S.K., Chandran, P., Bhattacharyya, T., Durge, S.L., Raja, P., Maurya, U.K. and Pal, D.K.
 
Subject Clay illuviation, calcareous, Vertisols, Peninsular India
 
Description Not Available
In tew of diverse understanding on the movement and accumulation of clay particles in 1 ertisols, it study on seven benchmark calcareous Vertisols representing a climosequence from sub-humid moist to arid dry climate was undertaken. The Vertisols have clay enriched slickensided horizons (B.ss) (>8% absolute increase from the eluvial horizon). The study indicates that the clay enrichment in the Bss horizons due to illuviation of clay particles and their subsequent accumulation in the Bss horizons have been possible because of the dispersion of the clay particles caused by me and Na' ions when precipitation of soluble Ca' ions as calcium carbonate (CaCO3) occurs. The formation of CaCO3 and the illuviation of clay are two pedogenetic processes occurring simultaneously as comtemporary pedogenic events in drier climate since the late Holocene. Thus, the argilliturbation towards proisotropic pedoturbation has not been able to overtake the clay illuviation in Vertisols under study for thousands of years.
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Date 2020-06-11T13:37:56Z
2020-06-11T13:37:56Z
2005-01-31
 
Type Research Paper
 
Identifier Satyavathi, P.L.A., Ray, S.K., Chandran, P., Bhattacharyya, T., Durge, S.L., Raja, P., Maurya, U.K. and Pal, D.K. (2005). Clay illuviation in calcareous Vertisols of Peninsular India. Clay Research, 24: 145-157
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http://krishi.icar.gov.in/jspui/handle/123456789/37049
 
Language English
 
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Publisher Not Available