condition mean min max 12pM Fe,Midday 49.5189 49.5189 49.5189 12pM Fe,Midnight 42.632999999999996 42.5532 42.7128 58pM Fe,Midday 41.6 41.6 41.6 58pM Fe,Midnight 33.43781428571428 30.8882 41.4195 233pM Fe,Midnight 23.151966666666667 22.7845 23.6905 1160pM Fe,Midday 33.98258571428571 32.0219 36.7419 1160pM Fe,Midnight 16.203408333333332 13.6361 18.0492 High carbon,Dark 20.982016666666667 8.44145 33.9691 High carbon,Light 16.247016923076924 3.3611 40.048 Low carbon,Dark 15.4306 15.4306 15.4306 Phloroglucinol 74.25206666666666 68.2489 79.3421 Silicon starvation,12h 24.5286 24.5286 24.5286