Madras Agricultural Journal
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EFFECT OF SOIL STRUCTURAL INDICES AND DISPERSION COEFFICIENT ON SATURATED HYDRAULIC CONDUCTIVITY

Abstract

Soils from two major subgroups viz, Typic Chromusterts and Typic haplustalf were evaluated for establishing the relationship between soil structural indices such as Percentage Aggregate Stability (AS). Structural Coefficient (SC). Mean Weight Diameter (MWD) and Dispersion Coefficient of Silt + Clay (DCSC) and clay alone (DCC) with saturated hydraulic conductivity. AS and SC were observed to influence Ks directly, MWD which is a measure of the stable pore geometry also directly influenced Ks. DCSC and DCC were significantly negatively correlated with Ks, perhaps influenced by ESP and SAR..

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Madras Agricultural Students Union
Tamil Nadu Agricultural University
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Madras Agricultural Students Union
Tamil Nadu Agricultural University
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ISSN : 0024-9602
eISSN : 2582-5321

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