condition mean min max 12pM Fe,Midday 76.6691 76.6691 76.6691 12pM Fe,Midnight 57.45925 54.9478 59.9707 58pM Fe,Midday 71.4214 71.4214 71.4214 58pM Fe,Midnight 34.42502857142857 0.0 48.3215 233pM Fe,Midnight 20.670866666666665 19.9306 21.6389 1160pM Fe,Midday 29.4319 26.3443 33.2756 1160pM Fe,Midnight 26.030541666666668 21.3133 35.7595 High carbon,Dark 25.332742733333333 0.712701 53.4605 High carbon,Light 17.08978 2.29321 51.5197 Low carbon,Dark 18.2675 18.2675 18.2675 Phloroglucinol 14.659416666666667 8.87595 21.5985 Silicon starvation,12h 3.70982 3.70982 3.70982