condition mean min max 12pM Fe,Midday 153.482 153.482 153.482 12pM Fe,Midnight 80.6471 76.541 84.7532 58pM Fe,Midday 74.8688 74.8688 74.8688 58pM Fe,Midnight 65.34434285714286 47.4744 116.583 233pM Fe,Midnight 42.35146666666667 39.3381 44.5243 1160pM Fe,Midday 85.63521428571428 77.3942 94.9065 1160pM Fe,Midnight 71.269225 48.3227 86.4749 High carbon,Dark 47.69262 27.5734 93.0417 High carbon,Light 47.25026153846154 13.8015 106.661 Low carbon,Dark 25.8463 25.8463 25.8463 Phloroglucinol 118.7538 96.4844 130.52 Silicon starvation,12h 48.3283 48.3283 48.3283