The Effect of Soil Management on Olive Yield and VOO Quality in a Rainfed Olive Grove of Central Spain

Figure 4

Free acidity (a), total phenols (b), chlorophyll to carotenoid ratio (c), color (d), and color (e) mean and standard deviation and maturity index (MI) as dots, of different treatments and years.

(a)

(b)

(c)

(d)

(e)