condition mean min max 12pM Fe,Midday 13.9457 13.9457 13.9457 12pM Fe,Midnight 11.04375 10.9685 11.119 58pM Fe,Midday 14.3965 14.3965 14.3965 58pM Fe,Midnight 8.852737142857142 0.0 15.8084 233pM Fe,Midnight 8.037786666666667 7.35846 8.97448 1160pM Fe,Midday 8.018625714285715 5.51264 11.1462 1160pM Fe,Midnight 44.00186166666666 4.00946 69.1394 High carbon,Dark 21.541070666666666 4.15786 44.6425 High carbon,Light 27.886892307692307 12.0413 55.1672 Low carbon,Dark 21.9059 21.9059 21.9059 Phloroglucinol 34.618633333333335 24.7598 54.0762 Silicon starvation,12h 33.8547 33.8547 33.8547