Submitted on: 24 April 2013.
Revised on: 31 May 2013.
Accepted on: 13 June 2013.
Revista Agrogeoambiental
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Submitted on: 17 September 2005.
Revised on: 07 October 2005.
Accepted on: 25 October 2005.
Revista Agrogeoambiental---INST FEDERAL SUL MINAS GERAIS-I FSULDEMINAS
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Submitted on: 20 May 2010.
Revised on: 12 June 2010.
Accepted on: 22 June 2010.
Revista Agrogeoambiental---INST FEDERAL SUL MINAS GERAIS-I FSULDEMINAS
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