Figure 1. Effects of leaf removal on canopy apparent photosynthesis (CAP) of Jinhai5 grown at high density during 2012 and 2013 growing seasons.

S₀ refers to control (no leaf removal); S₂, S₄ and S₆ refer to the removal of two, four or six leaves, respectively, from top of a plant. 4DAS, R3 and R6 represent four days after silking, milking stage and physiological maturity, respectively. Data are means ± SE (n = 3).