Figure 2
From: Mitigation of water stress in broccoli by soil application of humic acid
Effect of the interaction between irrigation regimes and soil application of humic acid on chlorophyll and proline content in broccoli leaves during the 2020–21 and 2021–22 seasons. Data are presented as the means ± SD (n = 3). Different letters mean significant differences among the treatments at P < 0.05 level.
