List of Articles نیتروژن. Open Access Article Abstract Page Full-Text 1 - The effect of nitrogen, planting density and number of seedling in the main farm on morphologic qualities, functional components and quantitative and qualitative functions of ratoon rice (Oryza sativa L.) production cultivars Sangtarom mohammad reza Khodadadi Balanaghibi بهرام حيدرنيا سماکوش Open Access Article Abstract Page Full-Text 2 - Evaluation of plant density and nitrogen fertilizer effects on yield, components, and seed protein percentage of durum wheat var. Aria مجتبي احمدی همزیان Open Access Article Abstract Page Full-Text 3 - The study of nitrogen use efficiency and its related traits in winter cereals Ali Rahemi Karizaki Abbas Biabani Shahryar Kazemi Hosein Sabouri Maral Etesami Open Access Article Abstract Page Full-Text 4 - The impact of planting array and micro-fertilizers on the yield of oil sunflower ( lakumka ) and its components in the second farming سيما عباس زاده محسن رشدي