List of Articles nitrogen splitting 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 - Determination of nitrogen fertilizer requirement on sorghum based on leaf color chart Ali Izi Mohammad Armin Esmaiel Filekesh