condition mean min max 12pM Fe,Midday 54.5558 54.5558 54.5558 12pM Fe,Midnight 44.41395 39.6514 49.1765 58pM Fe,Midday 35.3644 35.3644 35.3644 58pM Fe,Midnight 32.246942857142855 0.0 45.0755 233pM Fe,Midnight 22.685866666666666 21.5307 24.0153 1160pM Fe,Midday 20.24732857142857 16.1826 25.4783 1160pM Fe,Midnight 14.958791666666666 8.575 24.5316 High carbon,Dark 37.32269866666667 4.66341 132.495 High carbon,Light 22.70733153846154 5.53762 71.9616 Low carbon,Dark 24.7028 24.7028 24.7028 Phloroglucinol 10.07719 7.60545 14.1065 Silicon starvation,12h 5.85934 5.85934 5.85934