Madras Agricultural Journal
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Placement of the Black Soils of Tamil Nadu in the Comprehensive System of Soil Classification - Soil Taxonomy

Abstract

The black solls of Tamil Nadu were examined in detail with regard to their place- ment in the comprehensive system of soil classification. They are found to fit in two orders viz., Vertisols and Inceptisols. Even though some black soils have inherited the external characteristics of vertisols, they could be placed under inceptisols. The regues are placed under typic chromusterts. They exhibit a montorillonite mineralogy and are grouped under fine families.

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