Full Terms & Conditions of access and use can be found at https://www.tandfonline.com/action/journalInformation?journalCode=lpla20 Journal of Plant Nutrition ISSN: (Print) (Online) Journal homepage: https://www.tandfonline.com/loi/lpla20 RSM modeling of nitrogen use efficiency, biomass and essential oil of Salvia officinalis L. as affected by fertilization and plant density Badryeh Karimi, Asad Rokhzadi & Abdol Rahman Rahimi To cite this article: Badryeh Karimi, Asad Rokhzadi & Abdol Rahman Rahimi (2021) RSM modeling of nitrogen use efficiency, biomass and essential oil of Salvia officinalis L. as affected by fertilization and plant density, Journal of Plant Nutrition, 44:8, 1067-1084, DOI: 10.1080/01904167.2021.1871756 To link to this article: https://doi.org/10.1080/01904167.2021.1871756 Published online: 12 Jan 2021. Submit your article to this journal Article views: 22 View related articles View Crossmark data