condition mean min max 12pM Fe,Midday 38.9297 38.9297 38.9297 12pM Fe,Midnight 29.694000000000003 27.1232 32.2648 58pM Fe,Midday 29.8652 29.8652 29.8652 58pM Fe,Midnight 17.5591 0.0 24.3078 233pM Fe,Midnight 9.271773333333334 9.07665 9.5103 1160pM Fe,Midday 13.58997142857143 10.2788 17.0015 1160pM Fe,Midnight 10.469169166666667 6.8331 13.4518 High carbon,Dark 13.70907 1.21438 43.2801 High carbon,Light 10.598787153846153 0.313418 29.805 Low carbon,Dark 23.3717 23.3717 23.3717 Phloroglucinol 0.710348 0.484968 1.04523 Silicon starvation,12h 0.654673 0.654673 0.654673