Abiotic stress 2 Antioxidative mechanism Mentha arvensis 2 Nutrient stress 2 Visual symptoms 2 ANTIOXIDANT ACTIVITY 1 Article 1 CHLOROPHYLL 1 FLUORESCENCE 1 IRON 1 MICRONUTRIENTS 1 NITROGEN 1 OXIDATIVE STRESS 1 PHOSPHORUS 1 PHOTOSYNTHETIC PIGMENTS 1 PLANT-RESPONSES 1 abiotic stress 1 antioxidant activity 1 cell membrane 1 chlorophyll 1 controlled study 1 copper 1 copper deficiency 1 detoxification 1 electric conductivity 1 electrolyte 1 greenhouse 1 hydroponics 1 iron 1 iron deficiency 1