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. 2023 Jan 10;13:1064359. doi: 10.3389/fpls.2022.1064359

Figure 6.

Figure 6

Effect of foliar spraying of Si fertilizer on the distribution proportion of cadmium (Cd) forms in the leaf of different rice varieties. F1, ethanol extraction state of Cd; F2, water extraction state of Cd; F3, sodium chloride extraction state of Cd; F4, acetic acid extraction state of Cd; and F5, hydraulic acid extraction state of Cd.