TY  - JOUR 
T1  - Phytoextraction and fractionation of heavy metals in soil after multiple applications of natural chelants
JO  - Scientia Agricola
A1  - Melo, Évio Eduardo Chaves de
A1  - Nascimento, Clístenes Williams Araújo do
A1  - Accioly, Adriana Maria de Aguiar
A1  - Santos, Ana Cristiane Queiroz
SN  - 0103-9016
UL  - 10.1590/S0103-90162008000100009
VL  - 65 
Y1  - 2008
PB  - Brasil 
ER  -