PJB-2019-733
Impact of organic amendments on potential toxic metals dietary intake from Spinacia oleracea grown on contaminated soil and its subsequent health risk indices
Zawar Hussain
Abstract
Heavy metals are common environmental pollutants, which have widespread environmental dissemination and originated from natural and anthropogenic activities. Recently their contamination dramatically increased because of continuous release. They have received a big deal of attention due to their potential health and environmental risks because they are non-degradable and highly persistence in the environment. In order to estimate the possible transition of heavy metals like Manganese (Mn), Lead (Pb), Cadmium (Cd) and Chromium (Cr) and effect of 0rganic fertilizers ( Spent Mushroom Compost (SMC), Vermicompost (VC), Leaf compost (LC) associated with spinach (SpinaciaoleraceaL.) grown on soils collected from mining sites (Quatz Mine (QM), Chromite mine (CM), Manganese Mine (MM), Soap Stone Mine (SSM)) were investigated. The collection of soil samples from different mining areas of Prhang Ghar, Mohmand Agency Pakistan and were put in plastic pots. These pots were used for the cultivation of Spinacia oleracea seedlings, after two and half months it was harvested. Soil, spinach leaves and roots were analyzed for metal contents using AAS, Perkin-Elmer model 2380.Different mining soils before amendment with organic fertilizers shows variance in concentration of different toxic metals and were cross the permissible limits which introduced by WHO 2011 except Mn. Health Risk Indices (HRI) value was more in children as compared to adults. Among organic fertilizers VC were more effective against Pb, Mn, Cr and Cd availability and uptake.
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