condition mean min max 12pM Fe,Midday 75.1528 75.1528 75.1528 12pM Fe,Midnight 56.79785 51.5595 62.0362 58pM Fe,Midday 57.7707 57.7707 57.7707 58pM Fe,Midnight 42.61324285714286 0.0 54.2728 233pM Fe,Midnight 31.480166666666666 29.1055 33.1609 1160pM Fe,Midday 47.872214285714286 41.5624 52.7941 1160pM Fe,Midnight 28.740075 20.6024 41.4768 High carbon,Dark 29.059052666666666 8.56119 47.3239 High carbon,Light 33.172399999999996 3.8713 51.1592 Low carbon,Dark 34.3464 34.3464 34.3464 Phloroglucinol 66.1601 47.5342 87.8428 Silicon starvation,12h 72.2904 72.2904 72.2904