condition mean min max 12pM Fe,Midday 89.3304 89.3304 89.3304 12pM Fe,Midnight 47.9423 45.5313 50.3533 58pM Fe,Midday 58.197 58.197 58.197 58pM Fe,Midnight 43.6766 34.5233 69.7929 233pM Fe,Midnight 43.0843 41.623 45.2394 1160pM Fe,Midday 75.62522857142858 66.6389 83.8713 1160pM Fe,Midnight 218.3713 30.9694 349.777 High carbon,Dark 162.11096666666668 16.8581 1395.91 High carbon,Light 69.50049384615384 9.30815 203.108 Low carbon,Dark 28.7127 28.7127 28.7127 Phloroglucinol 218.18366666666668 205.723 225.782 Silicon starvation,12h 43.7888 43.7888 43.7888