condition mean min max 12pM Fe,Midday 70.0833 70.0833 70.0833 12pM Fe,Midnight 65.81479999999999 64.6353 66.9943 58pM Fe,Midday 82.0576 82.0576 82.0576 58pM Fe,Midnight 40.255314285714284 0.0 54.7136 233pM Fe,Midnight 47.619033333333334 43.0306 53.9764 1160pM Fe,Midday 57.55027142857143 53.8486 64.8278 1160pM Fe,Midnight 36.35346666666667 22.5681 56.4257 High carbon,Dark 67.63310666666666 42.7943 105.468 High carbon,Light 72.70996153846154 23.8333 137.186 Low carbon,Dark 41.4119 41.4119 41.4119 Phloroglucinol 39.8209 35.8045 41.9602 Silicon starvation,12h 67.2643 67.2643 67.2643