The microbial / fungal growth on/in the sawdust
has been microscopically investigated. Amounts of
fresh municipal sludge from Zinin sewage station
has been collected, the major part of the sludge was
dried in the air for 8 days to constant weight. One
gm of non-composted or composted sawdust or
sludge were suspended in 10 ml of distilled water,
filtrated, and 0.1 ml of the filtrate was examined for
its enzymatic content [16, 17].