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. 2015 Oct 30;10(10):e0141982. doi: 10.1371/journal.pone.0141982

Fig 4. Calcium concentrations.

Fig 4

Leaves were isolated from 4-week old plants, frozen in liquid nitrogen, and freeze-dried. Calcium measurements were conducted using inductively coupled plasma atomic emission absorption on weighed leaf samples. Values represent averages of three samplings (mean ± SE).