List of Articles Open Access Article Abstract Page Full-Text 1 - Effect of Plant Population and Arrangement on Yield and Yield Components of Medicine Plant Nigella Sativa بهناز عبدالرحيمي Open Access Article Abstract Page Full-Text 2 - Effect of Planting Date on the Yield of Potato Cultivars in Chaypareh Region حسين قاسمي Open Access Article Abstract Page Full-Text 3 - Effects of Azosprilium and Cytokinins Hormone on Physiological Traits of Corn ( Zea Mays L. ) ساسان بشيري Open Access Article Abstract Page Full-Text 4 - Effects of Nitrogen and Potassium Macro-elements on the Amount of Production in Flue – cured Tobacco Coker 374 عليرضا فرخ Open Access Article Abstract Page Full-Text 5 - The effects of drought stress and foliar application micronutrients on growth yield and nutritional elements of black cumin ( Nigella sativa L. ) علی اکبر عاملی Open Access Article Abstract Page Full-Text 6 - Influence of Nitrogen Fertilizer and Different levels of Irrigation on Qualitative and Quantitative Yield and Determination of Morphological Characteristics of Forage Sorghum عبدالحسین آبروش Open Access Article Abstract Page Full-Text 7 - Effect of Transplanting Time on Yield and Yield Components of Seed Corn in Kermanshah فرهاد صادقی Open Access Article Abstract Page Full-Text 8 - The Effect of Source and Rates of Fe on Yield and components of Oil-seed Sunflower علي زينالي