Effects of the Annual Nitrogen Fertilization Rate on Vine Performance and Grape Quality for Winemaking: Insights from a Meta-Analysis

Figure 2

Trial-normalized vine production parameters against the annual nitrogen rate. Within the same scatter plot each colour stands for a single trial. (a) Grape yield. (b) Pruning weight. (c) Bunch number. (d) Bunch weight. (e) Berry number. (f) Berry weight.

(a)

(b)

(c)

(d)

(e)

(f)