List of Articles Day length Open Access Article Abstract Page Full-Text 1 - Evaluation of the effect of day length on morphological and physiological indices of Bermudagrass (Cynodon dactylon [L.] Pers.) and Tall Fescue (Festuca arundinacea Schreb.) Turfgrasses in field conditions Nader Adamipour Hassan Salehi Morteza Khosh-Khui Open Access Article Abstract Page Full-Text 2 - Advances in the performance of stevia (Stevia rebaudiana Bertoni): Photoperiod interaction with potassium humate Maryam Kamali Yahya Selahvarzi Atiyeh Oraee Morteza Goldani 10.30495/ijpp.2022.1927755.1317 Open Access Article Abstract Page Full-Text 3 - Effects of climatologic parameters, day length and temperature, on phonologic occurrence of soybean lines and cultivars SH. Nasr-e-Esfahani J. Daneshian E. Pazira