Submitted on: 28 July 2005.
Revised on: 30 August 2005.
Accepted on: 26 October 2005.
___________________International Soil and Water Conservation Research
Submitted on: 26 April 2010.
Revised on: 12 June 2010.
Accepted on: 08 August 2010.
___________________International Soil and Water Conservation Research
Submitted on: 04 May 2018.
Revised on: 25 May 2018.
Accepted on: 19 June 2018.
___________________International Soil and Water Conservation Research
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Submitted on: 25 July 2004.
Revised on: 09 September 2004.
Accepted on: 14 October 2004.
___________________International Soil and Water Conservation Research
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