condition mean min max 12pM Fe,Midday 46.2462 46.2462 46.2462 12pM Fe,Midnight 32.43985 30.1627 34.717 58pM Fe,Midday 36.8558 36.8558 36.8558 58pM Fe,Midnight 21.9938 0.0 29.7628 233pM Fe,Midnight 23.8123 23.3519 24.4341 1160pM Fe,Midday 25.839242857142857 20.581 30.3526 1160pM Fe,Midnight 29.869151666666667 9.67252 44.6109 High carbon,Dark 36.55088333333333 8.76595 98.6023 High carbon,Light 36.711745384615384 4.32727 79.5857 Low carbon,Dark 20.4045 20.4045 20.4045 Phloroglucinol 49.161366666666666 39.3424 57.7986 Silicon starvation,12h 159.444 159.444 159.444