TY  - JOUR 
T1  - Effect of water and citrate solubility on agronomic effectiveness of acidulated phosphates in three consecutive corn crops
JO  - Revista Brasileira de Ciência do Solo
A1  - Prochnow, L. I.
A1  - van Raij, B.
A1  - Kiehl, J. C.
SN  - 0100-0683
UL  - 10.1590/S0100-06832002000300018
VL  - 26 
Y1  - 2002
PB  - Brazil 
ER  -