TY  - JOUR 
T1  - Relationships between soil class and nutritional status of coffee plantations
JO  - Revista Brasileira de Ciência do Solo
A1  - Wadt, Paulo Guilherme Salvador
SN  - 0100-0683
UL  - 10.1590/S0100-06832005000200008
VL  - 29 
Y1  - 2005
PB  - Brazil 
ER  -