الفهرس 
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Abstract
Most of the agricultural waste found in the Arab Republic of Egypt is of the fibrous type.
Indeed a large proportion of it, is composed of different types of straw, in particular wheat straw. Rice straw, which is even more abundant was not used in the present work because of its high si1ica content.
Wheat straw was subjected to the action of three fungi belonging to the Basidiomycetes, namely, Pleurotus sp. florida, Stropharia rugosoanulata and sporotrichum
pulveruletum.
The main gool behind the present work, was the upgrading of wheat straw nutritionally.
Wheat straw in itself is of low nutritional value, as it is low in proteinaceous material (0.060%) and even farm animals (ruminants) do not obtain maximum
benefit from it due to it. low digestibility (18.2%).
The wheat straw obtained for the present work was naturally dried in the fields (sun drying) as it was found by El-Kotry et al.