List of Articles Nitrogen uptake Open Access Article Abstract Page Full-Text 1 - Effects of Nitrogen Levels and its Splitting on Rice Yield and Nutrient Uptake in Rice, Hashemi Variety Taymour Razavipour Mohammadreza Khaledian Mojtaba Rezaei Open Access Article Abstract Page Full-Text 2 - Evaluation Effect of Chemical and Biological Fertilizer on Nitrogen Efficiency Indexes of Safflower Genotypes under Rain fed Condition Abas Solymanifard Open Access Article Abstract Page Full-Text 3 - Effect of pre-sowing crop rotation and nitrogen consumption on quantities and qualities yield of rice (Oryza sativa) Seysed Rasoul Mousavi Yousef Niknejad Hormoz Fallah Salman Dastan Davood Barrai Tari 10.30495/iper.2022.688802 Open Access Article Abstract Page Full-Text 4 - 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 5 - Effect of Tillage Systems and Nitrogen Fertilizer on Agro Physiological Characteristics of Corn Reza Imani Morteza Samdaliri امیر عباس موسوی Open Access Article Abstract Page Full-Text 6 - Effect of different nitrogen and potassium levels on nitrogen efficiency and some nutrient contents of sweet fennel Samira Mohammadi Taher Barzegar Zahra Ghahremani 10.22034/aej.2019.665193