condition mean min max 12pM Fe,Midday 34.2702 34.2702 34.2702 12pM Fe,Midnight 32.76905 30.3081 35.23 58pM Fe,Midday 29.6267 29.6267 29.6267 58pM Fe,Midnight 24.0695 0.0 32.8804 233pM Fe,Midnight 21.352333333333334 20.2672 22.4474 1160pM Fe,Midday 22.525057142857143 18.9577 26.7855 1160pM Fe,Midnight 13.17144 8.58986 18.1757 High carbon,Dark 23.555624 7.04655 50.8796 High carbon,Light 24.980923076923077 5.1018 40.558 Low carbon,Dark 16.6423 16.6423 16.6423 Phloroglucinol 32.70183333333333 18.6778 42.4026 Silicon starvation,12h 132.456 132.456 132.456