condition mean min max 12pM Fe,Midday 4.12376 4.12376 4.12376 12pM Fe,Midnight 57.54105 50.3904 64.6917 58pM Fe,Midday 2.58463 2.58463 2.58463 58pM Fe,Midnight 52.57307142857143 0.0 69.8528 233pM Fe,Midnight 71.12253333333334 66.0385 74.0484 1160pM Fe,Midday 5.966241428571428 4.54611 8.15046 1160pM Fe,Midnight 51.869308333333336 44.7588 56.8093 High carbon,Dark 33.359566666666666 11.2624 71.5097 High carbon,Light 27.245135384615384 2.02309 77.3749 Low carbon,Dark 26.2454 26.2454 26.2454 Phloroglucinol 21.3196 14.0476 31.1768 Silicon starvation,12h 44.9706 44.9706 44.9706