List of Articles Nitrogen fertilizer Open Access Article Abstract Page Full-Text 1 - The effect of plant density and nitrogen levels on the yield and yield components of maizecultivar (KSC 700) in moderate region of Kermanshah. فرهاد صادقی Open Access Article Abstract Page Full-Text 2 - Effect of Fertilizers Containing Nitrogen on Yield and Mucilage of Isabgol (Plantago ovata L.) in Irrigation and Cutting off Irrigation Amir Toghraei Bahram Mirshekari Jahanfar Daneshian Hamdollah Kazemi Arbat Mehrzad i Mohasses Mostashar Open Access Article Abstract Page Full-Text 3 - Effect of Magnitude water, Nitrogen and Nano Nitrogen Fertilizers on Germination of Seeds and Growth Factors on Foeniculum vulgare Mill. Azade Malekloo Maryam Peyvandi Ahmad Majd Open Access Article Abstract Page Full-Text 4 - Effect of planting density and nitrogen levels on agronomic traits and rice yield in Faridunkanar salinity field Allahyar Fallah Bagheri Bagheri Keyvan Mahdavi Mashki Mohamad Mohamadian