Fig. 9From: High-nitrogen fertilizer alleviated adverse effects of drought stress on the growth and photosynthetic characteristics of Hosta ‘Guacamole’The APX (A), SOD (B), and GSH (C) contents under drought stress and under nitrogen and potassium fertilizer treatments. Each value is expressed as the mean ± SE of 9 independent plants. Different lowercase letters represent significant differences between treatments (P < 0.05)Back to article page