Enhanced antioxidant defense after exogenous application of Ca2+ and K+ in Brassica napus seedlings under water deficit stress

Supply of adequate moisture is one of the most important factors limiting agricultural extension and productivity. Ca2+ and K+ are both essential plant nutrients required in a number of developmental and metabolic processes. Both of these nutrients play an important role in ameliorating drought stress in crop plants. This experiment was designed to study whether exogenous application of Ca2+ and K+ before the drought could...