CELIK, NECMETTIN, and BIROL TAS. “Effect of Different Doses of Nitrogen Fertilizer on Yield and Yield Concentration of Two-Rowed Barley Cultivars&#182”;. Asian Journal of Chemistry 20, no. 4 (March 30, 2010): 3241–3248. Accessed July 23, 2024. https://asianpubs.org/index.php/ajchem/article/view/12635.