condition mean min max 12pM Fe,Midday 73.8543 73.8543 73.8543 12pM Fe,Midnight 39.373400000000004 39.1052 39.6416 58pM Fe,Midday 44.2692 44.2692 44.2692 58pM Fe,Midnight 33.70871428571429 0.0 50.0083 233pM Fe,Midnight 25.825766666666667 20.6757 31.1574 1160pM Fe,Midday 36.84484285714286 30.9445 49.418 1160pM Fe,Midnight 33.726308333333336 18.3609 49.4012 High carbon,Dark 33.781952000000004 7.95423 62.7631 High carbon,Light 32.10870769230769 0.0 68.8126 Low carbon,Dark 23.2278 23.2278 23.2278 Phloroglucinol 24.6907 22.593 27.5932 Silicon starvation,12h 10.8441 10.8441 10.8441