condition mean min max 12pM Fe,Midday 55.5345 55.5345 55.5345 12pM Fe,Midnight 36.3548 36.2031 36.5065 58pM Fe,Midday 40.9222 40.9222 40.9222 58pM Fe,Midnight 24.10017142857143 0.0 30.0344 233pM Fe,Midnight 24.142766666666667 22.6974 26.4813 1160pM Fe,Midday 30.2193 26.2905 34.6575 1160pM Fe,Midnight 22.335058333333333 17.3214 25.2194 High carbon,Dark 28.030446666666666 16.4661 50.5255 High carbon,Light 19.21829153846154 6.77419 34.0478 Low carbon,Dark 24.1449 24.1449 24.1449 Phloroglucinol 18.013233333333332 16.6743 20.3731 Silicon starvation,12h 28.8498 28.8498 28.8498