الفهرس 
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Abstract
The objectives of the present dissertation are : Study the side effect of the different levels of both oxadiazon and glyphossate herbicides on the economical plant ( broad bean) itself (growth, nitrogen, carbohydrate fractions, and free amino acids contents and concentrations of root and shoot systems as well as pigments, RNA, I.A.A, and kinetin like substance contents of the fresh leaves during different developmental stages ).