Influence of Heavy Metals from Biodegradable Substrates on Some Agricultural Plants
The paper presents results obtained by mixing of soils from Oltenia area with sewage sludge resulted fromwastewater treatmentplant, after treatment, as required by Environment Ministry Order344/2004. Thecontentof heavy metalswas evaluatedinappleplantsto establishthe mechanism oftranslocationof metalsfrom soil to plants. It was observed that the plant species is an important factor in controlling thetranslocation ofmetalsfromsoil to plant characteristics.
Keywords - Sewage sludge, agriculture soils, heavy metals, treatment methods