condition mean min max 12pM Fe,Midday 31.6576 31.6576 31.6576 12pM Fe,Midnight 27.99045 27.2576 28.7233 58pM Fe,Midday 22.9385 22.9385 22.9385 58pM Fe,Midnight 22.24022857142857 20.327 28.7088 233pM Fe,Midnight 16.8827 16.2703 17.4521 1160pM Fe,Midday 18.710528571428572 17.5282 19.8342 1160pM Fe,Midnight 10.705146666666666 9.33606 12.6313 High carbon,Dark 15.011115333333333 7.22341 30.1057 High carbon,Light 12.488823846153846 2.47229 19.93 Low carbon,Dark 14.5666 14.5666 14.5666 Phloroglucinol 15.917066666666667 11.7912 23.6041 Silicon starvation,12h 24.2613 24.2613 24.2613