الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
 |  | from | 100 |  |  |
| | | from | 100 | | |
Abstract
In egypt, barseem clover is the principle field crop regarding acreage (2075 million faddans) and value of nourish palatable green forage, along with sustainability of soil fertility. The adverse impact of synthetic nitrogenous fertilizers on environmental safty along with its influence on crop production economy posed great attention toward increasing barseem symbiotic potential.