الفهرس 
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Abstract
This study deals with the ecology, anatomy and fodder potentialities of selected eight species growing naturally in Nile Delta region. The studied plants include: Bolboschoenus glaucus (Lam.) S.G.Smith, Cyperus laevigatus L. and Schoenoplectus litoralis (Schrad.) Palla, which are belonging to family Cyperaceae, while Echinochloa stagnina (Retz) P.Beauv. , Leptochloa fusca (L.)Kunth, Panicum repens L., Paspalidium geminatum (Forssk.) Stapf, and Sorghum virgatum (Hack.)Stapf, are belonging to family Gramineae. The environmental factors prevailing in the habitats supporting theses selected species were studied to clarify the range of environmental factors with which they can live and grow. The natural vegetation was analyzed to demonstrate their abundance in relation to other associated species. Moisture content, dry matter, total ash content, crude protein, crude fat, crude fiber content, total soluble sugars, glucose, sucrose, polysaccharides, nutritive value, metabolic energy, neto energy of lactation, total digestible nutrients as well as some elements were estimated in the studied plants to evaluate their forage potentialities as non-conventional crops. The anatomical investigation of the chosen species has also been carried out to detect the palatability of these forage plants.