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Effect of plant roots on soil anti-scouribility of topsoil during concentrated flow

Pravat Kumar Shit, Ramkrishna Maiti . " Vol.1 - Issue 4 (June- 2012) ", Effect of plant roots on soil anti-scouribility of topsoil during concentrated flow, International Journal of Engineering Research & Technology (IJERT) , ISSN: 2278-0181 , www.ijert.org

Pravat Kumar Shit, Ramkrishna Maiti. (Effect of plant roots on soil anti-scouribility of topsoil during concentrated flow ) . " Vol.1 - Issue 4 (June- 2012) ", International Journal of Engineering Research & Technology (IJERT) , ISSN: 2278-0181 , www.ijert.org

Authors: Pravat Kumar Shit, Ramkrishna Maiti
Publication Date: 01-07-2012



Plant roots increase aggregate stability of soil both hydrologically and mechanically and increase anti-scourbility of the top soil. In the present study the quantification of the impact of roots properties (root density, RD; root length density, RLD and root surface area density, RSAD) on anti-scourbility was attempted for better understanding of the effectiveness of indigenous plants to control soil erosion during concentrated flow. Eighteen top soil samples were collected with a representation of varied grass cover from Rangamati experimental station, Paschim Medinipore, West Bengal of lateritic environment. Samples are collected in metal boxes and allowed to have similar moisture content before the experiment. Flume experiment was run with flow rate of 9 to 10 lit/min on the erosion pan set at a gradient ranging from 15 to 45 degree. Each sample was experiment to flow for 1.5 min during which runoff water and detached sediment was collected at 15 sec interval. Roots are separated from the soil samples by wet hand wash with sprinkling water after the experiment. Root density, root length density and root surface area density were calculated with proper techniques. Rate of soil detachment ranges from 5 to 20 g/lit and that has strong relation with root properties. The results indicated that a significant exponential growth relationship between root properties (RD, RLD and RSAD) and anti-scourbility (AS) was established using origin 8.0 programme. Value of correlation of determination is more than 0.90 (p<0.01) in all the cases, that shows strong possibility of reducing soil erosion by increasing root properties of indigenous plants grown naturally in the area under study.



Author(s):  Pravat Kumar Shit, Ramkrishna Maiti

Published in:   International Journal of Engineering Research & Technology

Website: www.ijert.org

Volume/Issue:   Vol.1 - Issue 4 (June- 2012)

e-ISSN:   2278-0181


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