The usage of sludge as artificial soil for agriculture

Abstract

The use of sewage sludge as an organic fertilizer has become a common practice. It is considered a viable alternative to landfill or incineration as disposal method. Composted organic used as substrates could be a feasible option, especially sewage sludge due its high production. Heavy metal contamination in sludge can pose long term environment problems. The objectives of this study are, to determine the advantages of using sludge as artificial soil for agriculture , to investigate the present and concentration of the heavy metals and in plant and to compare the tomato growth using commercial composed and sewage sludge. Sewage sludge was collected from Indah Water Terengganu.