Mushroom which is a fleshy saprophyte fungus are found
growing on damp rotten log of wood trunk of trees,
decaying organic matter and in damp soil rich in organic
substances. Edible mushroom are highly nutritious and
can be compared with eggs, milk and meat (Oei, 2003).
The content of essential amino acids in mushroom is high
and close to the need of the human body. Mushroom is
easily digestible and it has no cholesterol content.
However, the cultivation of mushroom is still very limited
and the industry is still at its infancy in Nigeria
(Isikhuemhen and Okhuoye, 1996; Belewu, 2002, 2003).
The major problem associated with the transfer of
technology for mushroom cultivation is the lack of
technical know-how for its cultivation. During an
investigation of the cultivation of mushroom on
agricultural residues, it was found that rice husk sorghum