Submitted on: 26 September 2005.
Revised on: 26 October 2005.
Accepted on: 21 November 2005.
Revista de la Facultad de Agronomia de la Universidad del Zulia
Submitted on: 18 May 2012.
Revised on: 23 June 2012.
Accepted on: 10 July 2012.
Revista de la Facultad de Agronomia de la Universidad del Zulia
Submitted on: 21 September 2000.
Revised on: 01 October 2000.
Accepted on: 15 October 2000.
Revista de la Facultad de Agronomia de la Universidad del Zulia
Submitted on: 04 January 2024.
Revised on: 04 February 2024.
Accepted on: 23 February 2024.
Revista de la Facultad de Agronomia de la Universidad del Zulia
Submitted on: 31 August 1999.
Revised on: 29 September 1999.
Accepted on: 11 October 1999.
Revista de la Facultad de Agronomia de la Universidad del Zulia
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