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Submitted on: 20 August 1999.
Revised on: 18 December 1999.
Accepted on: 16 January 2000.
___________________JOURNAL OF SOIL AND WATER CONSERVATION
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Submitted on: 01 May 2006.
Revised on: 04 June 2006.
Accepted on: 29 June 2006.
___________________JOURNAL OF SOIL AND WATER CONSERVATION
Submitted on: 09 October 2004.
Revised on: 02 November 2004.
Accepted on: 15 November 2004.
___________________JOURNAL OF SOIL AND WATER CONSERVATION