1. Plant Production, Federal University of the São Francisco Valley – Univasf, Petrolina, Brazil
2. Department of Agricultural Engineering, Federal University of the São Francisco Valley – Univasf, Juazeiro, Brazil
3. Agronomic Engineer, Federal University of the São Francisco Valley - Univasf, Petrolina, Brazil
4. Department of the Agricultural Technical Axis, Federal Institute of Education Science and Technology of Piauí, Paulistana, Brasil
5. Department of Agricultural Engineering, Federal University of Campina Grande, Campina Grande, Brazil
6. Department of Agroindustry,Federal Institute of Education Science and Technology of Sertão Pernambucano, Petrolina, Brazil
7. Plant Science Department, Federal University of Piauí, Teresina, Brazil