Submitted on: 31 August 2008.
Revised on: 21 September 2008.
Accepted on: 15 October 2008.
Revista Ciencia Agronomica
Submitted on: 26 March 2004.
Revised on: 21 April 2004.
Accepted on: 16 May 2004.
Revista Ciencia Agronomica---UNIV FEDERAL CEARA, DEPT GEOL
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Submitted on: 24 March 2005.
Revised on: 01 May 2005.
Accepted on: 24 May 2005.
Revista Ciencia Agronomica
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Submitted on: 01 November 2006.
Revised on: 26 November 2006.
Accepted on: 23 December 2006.
Revista Ciencia Agronomica---UNIV FEDERAL CEARA, DEPT GEOL
Submitted on: 22 September 2023.
Revised on: 05 October 2023.
Accepted on: 12 October 2023.
Revista Ciencia Agronomica---UNIV FEDERAL CEARA, DEPT GEOL
Submitted on: 07 August 2011.
Revised on: 16 September 2011.
Accepted on: 21 September 2011.
Revista Ciencia Agronomica
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