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.
