1. Academic Unit of Serra Talhada, Soil Science, Federal Rural University of Pernambuco, Serra Talhada, Brazil;
2. Academic Unit of Serra Talhada, Agrometeorology, Federal Rural University of Pernambuco, Serra Talhada, Brazil;
3. Center of Agrarian Sciences, Fruticulture, Federal University of Vale do São Francisco, Petrolina
4. Academic Unit of Serra Talhada, Zootechnics, Federal Rural University of Pernambuco, Serra Talhada, Brazil;
5. Academic Unit of Serra Talhada, Biochemistry, Federal Rural University of Pernambuco, Serra Talhada, Brazil;
6. Academic Unit of Serra Talhada, Agronomy, Federal Rural University of Pernambuco, Serra Talhada, Brazil