List of Articles growth parameters Open Access Article Abstract Page Full-Text 1 - Some quantitative indicators and leaf pigment content of old beech in the pure and mixed stand (Case study: Asalem- Nav forests of Guilan) Mir mozafar Fallah chai mehdi simaei niloofar mohamadzadeh 20.1001.1.76712423.1397.13.52.7.6 Open Access Article Abstract Page Full-Text 2 - Effect of different levels of treated urban wastewater on growth and some physiological characteristics of Althaea officinalis Ahmad Mohtadi Forozan Ghasemi Athar Sadat Javanmard Shokoofeh Hajihashemi 10.30495/iper.2022.1968854.1825 Open Access Article Abstract Page Full-Text 3 - The effects of potassium and gibberellin alone or in combination on the pigments and growth parameters of lentil (Lens culinaris L.) گیتی Barzin, R.A Khavari-Nejad, حمید Fahimi, ُُS Saadatmand, Open Access Article Abstract Page Full-Text 4 - Effect of different levels of treated urban wastewater on growth and some physiological characteristics of Althaea officinalis Ahmad Mohtadi Forozan Ghasemi Athar Sadat Javanmard Shokoofeh Hajihashemi https://doi.org/10.71890/iper.2023.1105565 Open Access Article Abstract Page Full-Text 5 - Assessment of phytoremediation ability and accumulation of different concentrations of silver in the harmel plant (Peganum harmala L.) Kobra Mahdavian https://doi.org/10.71890/iper.2024.1107520