List of Articles Flower yield Open Access Article Abstract Page Full-Text 1 - Effect of Humic Acid and Phosphorus on the Quantity and Quality of Marigold (Calendula officinalis L.) Yield A.A Farjami, S.M. Nabavi Kalat Open Access Article Abstract Page Full-Text 2 - Evaluation of Yield, Harvest Index, and Water Use Efficiency of Roselle (Hibiscus sabdariffa L.) in Different Treatments of Irrigation and Sowing Date Arameh Zand-Silakhoor Hamid Madani Hossein Heidari Sharifabadi Mojtaba Mahmoudi Ghorban Nourmohamad 10.30495/JCEP.2023.1935375.1818 Open Access Article Abstract Page Full-Text 3 - تنوع مورفولوژیکی و فیتوشیمیایی بین برخی از توده های ایرانی Rosa damascena Mill. حنیفه سید حاجی زاده بهروز عبادی محمدرضا مرشدلو اکبر عبدی قاضی جهانی Open Access Article Abstract Page Full-Text 4 - Effect of silicon application on morphological and physiological characteristics of sunflower (Helianthus.annuus L.) under different moisture levels zohreh nabipour Gholamreza Zamani Open Access Article Abstract Page Full-Text 5 - The effect of mycorrhizal fungi, water stress and year on flower yield and some characteristics of medicinal plant of Borage (Borago officinalis L.) in Yasouj region Ali Rahimi https://doi.org/10.71890/iper.2023.1105511 Open Access Article Abstract Page Full-Text 6 - Possibility of weeds control and yield increase due to intercropping Case study: marigold (Calendula officinalis) and mungbean (Vigna radiata) Bahram Mirshekari 10.22034/aej.2015.514407