Submitted on: 02 January 2001.
Revised on: 13 February 2001.
Accepted on: 26 February 2001.
___________________ACTA SCIENTIARUM-AGRONOMY---UNIV ESTADUAL MARINGA, PRO-REITORIA PESQUISA POS-GRADUACAO
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Submitted on: 15 March 2019.
Revised on: 30 April 2019.
Accepted on: 20 June 2019.
___________________ACTA SCIENTIARUM-AGRONOMY---UNIV ESTADUAL MARINGA, PRO-REITORIA PESQUISA POS-GRADUACAO
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Submitted on: 28 October 2006.
Revised on: 03 January 2007.
Accepted on: 28 February 2007.
___________________ACTA SCIENTIARUM-AGRONOMY---UNIV ESTADUAL MARINGA, PRO-REITORIA PESQUISA POS-GRADUACAO
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