Soil and plant samples collected from different sites receiving sewage and tube-well irrigation in Sangrur District of Punjab were analyzed for heavy metals to ascertain pollution potential.

A green-house experiment on three sub-tropical semi-arid soils was conducted to investigate the effect of different sludge types of coca-cola soft drink industry viz. water treatment plant sludge (WTS), effluent treatment plant sludge (ETPS) and filter cake sludge (FCS) applied @1.0, 2.0 and 4.0 per cent on dry matter yield and heavy metal content in Palak.