Title Application of zeolite to increase nitrogen use efficiency and yield in Salvia officinalis and Ziziphora tenuior Type of Research Presentation Keywords Aromatic plants; nitrogen; yield; zeolite Abstract Aromatic plants; nitrogen; yield; zeolite Researchers Saeid Hazrati (First Researcher)، Hamid Mohammadi (Second Researcher)، Mohammad Ghasem JAMI (Third Researcher)