List of Articles پتاسيم Open Access Article Abstract Page Full-Text 1 - The effect of drought stress and different amounts of nitrogen and potassium fertilizers on productivity of forage sorghum variety speedfeed fatmeh khezerloo Open Access Article Abstract Page Full-Text 2 - The effect of nitrogen and potassium on yield, and agronomic traits of cowpea (Vigna unguiculata L.) in dry conditions علي عبدزاد گوهري Open Access Article Abstract Page Full-Text 3 - Effects of Nitrogen and Potassium Macro-elements on the Amount of Production in Flue – cured Tobacco Coker 374 عليرضا فرخ Open Access Article Abstract Page Full-Text 4 - The Effect of Fertilizers of Potassium Thiosulphate and Nitrogen on Yield, Water Use Efficiency and the Control of Tuber Cracking of Potato Cultivars Davoud Hassanpanah Ahmad Mousapour Gorji