condition mean min max 12pM Fe,Midday 45.3775 45.3775 45.3775 12pM Fe,Midnight 28.606499999999997 26.7275 30.4855 58pM Fe,Midday 38.7308 38.7308 38.7308 58pM Fe,Midnight 18.793142857142858 0.0 26.7475 233pM Fe,Midnight 12.296133333333334 11.442 13.4423 1160pM Fe,Midday 19.230414285714286 14.7776 25.5659 1160pM Fe,Midnight 11.006383333333334 7.73216 16.9166 High carbon,Dark 15.899748666666667 7.76043 23.9352 High carbon,Light 13.507786153846155 4.25538 20.0038 Low carbon,Dark 11.7457 11.7457 11.7457 Phloroglucinol 5.544913333333334 2.46232 9.13972 Silicon starvation,12h 20.3348 20.3348 20.3348