List of Articles Grain yield Open Access Article Abstract Page Full-Text 1 - Influence of Weed Densities and Different Nitrogen Levels on Leaf Area Index (LAI) of Corn and Red Root Pigweed (Amaranthus retroflexus L.) Ali Vahedi Zohre Bakhshai Rasoul Fakhari Open Access Article Abstract Page Full-Text 2 - Investigating the effect of different amounts and sources of nitrogen on quantitative and qualitative characteristics of rice (Oryza sativa L.) Natiq Jafar Ali Al-Khazali MOHAMMAD MIRZAEI HEYDARI Open Access Article Abstract Page Full-Text 3 - Water Use Efficiency of Common Sorghum and Grain Corn Cultivars and Comparing the Effect of Water Deficit on These Cultivars NASRIN SAFIAN MOHAMMADREZA NADERIDARBAGHSHAHI HAMID REZA SALEMI MASSOUD TORABI ALI SOLEIMANI 10.30486/roce.2023.703843 Open Access Article Abstract Page Full-Text 4 - Effect of Biofertilizers and Chemical Fertilizers on Phosphorus Uptake and Wheat Yield MOHAMMAD BAGHERI MOHAMMAD MIRZAEI HEYDARI 10.30486/roce.2020.696920 Open Access Article Abstract Page Full-Text 5 - A Study About the Possibility of Eearly Planting of Late-Maturing Ricecultivars in Lordegan Using Plastic Covered Nursery LOTFALI LOTFI SAM SAFARI 10.30486/roce.2018.545280 Open Access Article Abstract Page Full-Text 6 - The Effect of Azotobacter On Growth Indices, Yield and Essence Content Of Two Cultivars of Cumin (Cuminum cyminum L.) Under Salinity HENGHAMEH VOSOUGHI TABAR HAMID DEHGHANZADEH SEID ALI HOSSEINI TAFRESHI Open Access Article Abstract Page Full-Text 7 - The Effects of Different Application Times of Broadleaf Herbicides on Winter Wheat SAYED KOMEIL SAYED SHOURBALAL LIDA HASHEMI Open Access Article Abstract Page Full-Text 8 - Investigating the Effect of Different Amounts and Sources of Nitrogen on Quantitative and Qualitative Characteristics of Rice Natiq Jafar Ali Al-Khazali MOHAMMAD MIRZAEI HEYDARI