condition mean min max 12pM Fe,Midday 102.734 102.734 102.734 12pM Fe,Midnight 68.76655 53.1394 84.3937 58pM Fe,Midday 59.5838 59.5838 59.5838 58pM Fe,Midnight 43.89291428571428 0.0 55.3141 233pM Fe,Midnight 45.19273333333333 38.5316 49.1965 1160pM Fe,Midday 50.2237 42.6574 57.1035 1160pM Fe,Midnight 33.69094166666667 28.6316 41.935 High carbon,Dark 48.33776 23.2609 72.0209 High carbon,Light 40.11956153846154 18.2967 58.1603 Low carbon,Dark 42.0853 42.0853 42.0853 Phloroglucinol 31.88283333333333 21.0979 42.3484 Silicon starvation,12h 97.7478 97.7478 97.7478