condition mean min max 12pM Fe,Midday 62.4412 62.4412 62.4412 12pM Fe,Midnight 61.36540000000001 58.005 64.7258 58pM Fe,Midday 44.4771 44.4771 44.4771 58pM Fe,Midnight 55.36551428571428 43.1635 113.093 233pM Fe,Midnight 29.413133333333334 28.7461 30.0836 1160pM Fe,Midday 25.552542857142857 22.5352 27.4227 1160pM Fe,Midnight 29.17129166666667 27.0594 31.8881 High carbon,Dark 17.828286666666667 2.61279 31.7467 High carbon,Light 9.787004615384616 1.70396 22.417 Low carbon,Dark 11.4201 11.4201 11.4201 Phloroglucinol 30.436633333333333 25.1183 36.7339 Silicon starvation,12h 10.0542 10.0542 10.0542