The environmental risk of chelating agents such as EDTA application to the heavy metals polluted soils and the stress on plant roots due to the abrupt increase metals concentration limit the wide commercial use of chelate-induced phytoextraction.

Chelate-induced extraction and remediation of Brassica juncea on heavy metals mix-polluted soils by EDTA and EDDS;

Polarography as a tool in studies on phytochelatin induced by cadmium in the algae Pheodactylum tricornutum and the graminae Agrostis capillaris;