Fig. 4From: The effect of biodynamic preparations on growth and fruit quality of giant pumpkin (Cucurbita maxima D.)a–c Antioxidant contents of lutein, zeaxanthin, lycopene and ß-carotene in the flesh of pumpkin fruits of different pumpkin cultivars and horn manure and horn silica treatments—mean values from 2012 to 2014. Differences between means marked by different letter (a, b, c, d) are significant, p ≤ 0.05. HM horn manure, HS horn silicaBack to article page