Hydroponic modulation of Sonchus oleraceus L. leaf composition: impact of NPK balance on nutritious attributes and biological effects.
BACKGROUND Sonchus oleraceus L. (common sowthistle) is a wild leafy vegetable with recognized culinary and pharmacological potential. In hydroponics, controlled nitrogen (N), phosphorus (P), and potassium (K) imbalances act as an agronomic eustress (positive stress) that stimulates the defensive accumulation of seconda...