Submitted on: 06 August 2007.
Revised on: 13 November 2007.
Accepted on: 18 December 2007.
___________________International Agrophysics---POLISH ACAD SCIENCES, INST AGROPHYSICS
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Submitted on: 25 April 2014.
Revised on: 24 June 2014.
Accepted on: 05 July 2014.
___________________International Agrophysics---POLISH ACAD SCIENCES, INST AGROPHYSICS
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Submitted on: 16 August 2002.
Revised on: 11 September 2002.
Accepted on: 07 October 2002.
___________________International Agrophysics---POLISH ACAD SCIENCES, INST AGROPHYSICS
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Submitted on: 01 September 1999.
Revised on: 25 December 1999.
Accepted on: 08 February 2000.
___________________International Agrophysics---POLISH ACAD SCIENCES, INST AGROPHYSICS
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