condition mean min max 12pM Fe,Midday 42.7813 42.7813 42.7813 12pM Fe,Midnight 32.5326 32.0051 33.0601 58pM Fe,Midday 34.3023 34.3023 34.3023 58pM Fe,Midnight 22.3049 19.6015 24.4144 233pM Fe,Midnight 16.5896 15.9732 17.4615 1160pM Fe,Midday 24.584985714285715 21.5878 27.2857 1160pM Fe,Midnight 10.314729166666666 8.82711 11.5715 High carbon,Dark 14.989802 3.02517 28.3335 High carbon,Light 10.453182538461538 0.877115 22.8847 Low carbon,Dark 13.3154 13.3154 13.3154 Phloroglucinol 12.526963333333333 9.52709 14.551 Silicon starvation,12h 12.2455 12.2455 12.2455