%0 Conference Proceedings %T Allelopathic Effects of some Medicinal Plants Extracts on Seed Germination and Growth of Common Weeds in Mashhad Area %A Arouiee, Hossein %A Ghasemimohsenabad, Samira %A Azizi, Majid %A Nemati, Seyyed Hossein %J 2nd International Symposium on Medicinal and Nutraceutical Plants %D 2009