Influence of Clay and Silt on the Physical Properties of Major Soil Groups of Madurai District (Tamil Nadu)

A. RAJAMANNAR and C. R. VENKATARAMANAN

doi:https://doi.org/10.29321/MAJ.10.A03289

Madras Agricultural Journal

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Influence of Clay and Silt on the Physical Properties of Major Soil Groups of Madurai District (Tamil Nadu)

Author: A. RAJAMANNAR and C. R. VENKATARAMANAN,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 63, Issue: mar-mar,

DOI:https://doi.org/10.29321/MAJ.10.A03289

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Abstract

Fortythree profile soil samples from two profiles of each five major soil groups, representing alluvial, black, red, latorite and colluvial soils were collected and analysed for mechanical fractions and physical properties. The physical properties like percentage of pore space, moisture equivalent, upper and lower plasticity, maximum water holding capacity and hygroscopic moisture at 99.8 per cant relative humidity were found to be influenced by both clay and sift while volume expansion on wetting and hygroscopic moisture at 50 per cent relative humidity by clay alone.

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