Effect of lead from motor-vehicle exhausts on plant and soil along a major thoroughfare in Baroda city

The effect of lead from motor vehicle exhausts on soil and plants growing along a busy thoroughfare in Baroda city has been investigated. The analysis of soil and plant (leaves and stem) samples showed that the distribution of emitted lead was higher on the sides of soil and plants facing the traffic. Measurements of lead concentration in leaf, stem and soil showed considerable accumulation in the vegetation at distances of about ten meters from the main traffic movements