The impact of tree barriers on the dispersal of lead in the soil at highway roadsides

Tree windbreaks are common features in high-traffic roadsides that mitigate air pollution, winds, and noise. The impact of tree barriers on the dispersal of lead in the soil was studied at highway roadsides located near Holon city, Israel. A discontinuous line of trees parallel to the highway separated the highway from agricultural fields. The line includes alternating trees and openings; thus, it was divided into two groups: one consists of the...