1. Professor, Agricultural Engineering Technical School, Castilla-La Mancha Univ., Campus Universitario, sn, 02071 Albacete, Spain (corresponding author).
2. Professor, Agricultural Engineering Technical School, Castilla-La Mancha Univ., Campus Universitario, sn, 02071 Albacete, Spain.
3. Technical Assistant, Agricultural Engineering Technical School, Castilla-La Mancha Univ., Campus Universitario, sn, 02071 Albacete, Spain.
4. Research Assistant, Agricultural Engineering Technical School, Castilla-La Mancha Univ., Campus Universitario, sn, 02071 Albacete, Spain.