TY  - JOUR 
T1  - Nickel adsorption by soils in relation to pH, organic matter, and iron oxides
JO  - Scientia Agricola
A1  - Mellis, Estêvão Vicari
A1  - Cruz, Mara Cristina Pessôa da
A1  - Casagrande, José Carlos
SN  - 0103-9016
UL  - 10.1590/S0103-90162004000200011
VL  - 61 
Y1  - 2004
PB  - Brazil 
ER  -