%0 Conference Proceedings %T Effect of Nitrogen Application on Growth and Essential Oil Production of Peppermint ( Mentha piperita ) %A Arouiee, Hossein %A Alizadeh, Behdad %A Zargarian, Seyedmajid %A Kahrobaeian, Maryam %J 2nd International Symposium on Medicinal and Nutraceutical Plants %D 2009