1. Department of Agronomy, Universidade Federal do Piauí, Bom Jesus, Brazil
2. Department of Agronomy, Universidade Federal de Mato Grosso do Sul, Chapadadão do Sul, Brazil
3. Department of Integrated Agricultural Systems, Embrapa Pesca, Aquicultura E Sistemas Agrícolas, Palmas, Brazil
4. Department of Agricultural Engineering, Univesidade Federal De Rondonópolis, Rondonópolis, Brazil