condition mean min max 12pM Fe,Midday 9.7142 9.7142 9.7142 12pM Fe,Midnight 23.9363 20.0859 27.7867 58pM Fe,Midday 15.8765 15.8765 15.8765 58pM Fe,Midnight 31.491500000000002 26.7847 40.6267 233pM Fe,Midnight 36.74286666666667 35.6024 38.1144 1160pM Fe,Midday 17.8274 15.8251 20.8562 1160pM Fe,Midnight 51.81718333333333 37.3753 66.1467 High carbon,Dark 33.97542966666666 0.724535 85.4373 High carbon,Light 29.96415 2.55668 105.25 Low carbon,Dark 50.8841 50.8841 50.8841 Phloroglucinol 6.282636666666667 4.7496 7.08976 Silicon starvation,12h 32.4472 32.4472 32.4472