condition mean min max 12pM Fe,Midday 54.3639 54.3639 54.3639 12pM Fe,Midnight 35.990700000000004 32.6404 39.341 58pM Fe,Midday 43.4485 43.4485 43.4485 58pM Fe,Midnight 23.737585714285714 0.0 31.9486 233pM Fe,Midnight 22.089366666666667 20.6548 23.2469 1160pM Fe,Midday 30.32502857142857 24.4434 34.0709 1160pM Fe,Midnight 15.18615 13.1449 18.7079 High carbon,Dark 30.497253333333333 10.0474 45.8824 High carbon,Light 30.87001153846154 6.48945 45.8573 Low carbon,Dark 21.576 21.576 21.576 Phloroglucinol 65.71176666666668 56.496 71.8994 Silicon starvation,12h 63.5733 63.5733 63.5733