condition mean min max 12pM Fe,Midday 75.3063 75.3063 75.3063 12pM Fe,Midnight 75.5401 71.823 79.2572 58pM Fe,Midday 72.1586 72.1586 72.1586 58pM Fe,Midnight 72.01322857142857 0.0 112.274 233pM Fe,Midnight 43.27583333333333 41.3095 45.7059 1160pM Fe,Midday 84.05142857142857 70.8795 93.5633 1160pM Fe,Midnight 43.019783333333336 34.5513 50.9193 High carbon,Dark 25.277007333333334 4.52427 58.2495 High carbon,Light 17.70619230769231 10.1072 34.9861 Low carbon,Dark 34.8722 34.8722 34.8722 Phloroglucinol 18.21713 4.93369 34.5586 Silicon starvation,12h 22.8665 22.8665 22.8665