1. Department of Agricultural Engineering, Federal Rural University of Pernambuco, Recife 52171-900, Brazil
2. Department of Veterinary Medicine, Federal Rural University of Pernambuco, Recife 52171-900, Brazil
3. National Institute of the Semiarid, Center for Information Management and Popularization of Science, Campina Grande 58434-700, Brazil
4. Institute of Atmospheric Sciences, Federal University of Alagoas, Maceió 57072-260, Brazil
5. Department of Agronomy, Federal University of Goiás, Goiânia 74690-900, Brazil