1. Universidade Estadual do Centro Oeste, Department of Forestry Engineering, Rua Professora Maria Roza Zanon de Almeida , 84505-677, Irati, - Paraná , Brazil
2. Tanagro S.A., Forest Planning Department , Rua Dom Pedro II, 978, 90550-141, Porto Alegre - Rio Grande do Sul , Brazil
3. Universidade Estadual Paulista “Júlio de Mesquita Filho,” Department of Plant Production , Botucatu - SP , Brazil