. "Evaluation of using potassium and putressine (1, 4 diaminobutane dihydrochloride) to alleviatethe negative effects on sorghum plants (Sorghum bicolor L) irrigated with different irrigation water.". Annals of Agricultural Science, Moshtohor, 54, 3, 2016, 683-694. doi: 10.21608/assjm.2016.112634