condition mean min max 12pM Fe,Midday 77.4532 77.4532 77.4532 12pM Fe,Midnight 55.4726 51.8714 59.0738 58pM Fe,Midday 62.7931 62.7931 62.7931 58pM Fe,Midnight 62.80837142857143 43.2162 144.155 233pM Fe,Midnight 36.429566666666666 35.6084 37.2307 1160pM Fe,Midday 43.2294 35.8824 49.2233 1160pM Fe,Midnight 34.05009166666667 25.614 43.2286 High carbon,Dark 38.86554666666667 18.4096 68.8474 High carbon,Light 42.45703230769231 4.77463 110.015 Low carbon,Dark 50.7388 50.7388 50.7388 Phloroglucinol 29.5983 21.3449 35.916 Silicon starvation,12h 66.4488 66.4488 66.4488