1. Rural Engineering Department, Center of Agrarian Sciences Federal University of Santa Catarina Florianópolis Brazil
2. Embrapa Soils National Research Center of Soils, Brazilian Agricultural Research Corporation (Embrapa) Rio de Janeiro Brazil
3. Experimental Station of Lages Agricultural Research and Rural Extension Company of Santa Catarina (Epagri) Lages Brazil
4. Soil Science Department Federal University of Santa Maria Santa Maria Brazil
5. Santo Augusto Campus Federal Institute of Education, Science and Technology Farroupilha Santo Augusto Brazil
6. Fruticulture Department Paulista State University Registro Brazil