1Departamento de Engenharia Rural, Faculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista “Júlio de
Mesquita Filho”, Jaboticabal, São Paulo, Brasil. 2Universidade Estadual de Mato Grosso do Sul, Rod. Aquidauana/CERA, km 12, 79200-000, Aquidauana, Mato Grosso do Sul, Brasil. 3Departamento de Ciências Exatas, Faculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista “Júlio de Mesquita Filho”, Jaboticabal, São Paulo, Brasil. *Autor para correspondência. E-mail: lopes@uems.br
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