condition mean min max 12pM Fe,Midday 66.9647 66.9647 66.9647 12pM Fe,Midnight 79.9212 72.2521 87.5903 58pM Fe,Midday 71.1042 71.1042 71.1042 58pM Fe,Midnight 124.02514285714285 0.0 181.386 233pM Fe,Midnight 62.4532 59.4275 64.8612 1160pM Fe,Midday 46.40877142857143 31.9376 61.2133 1160pM Fe,Midnight 74.44386666666666 38.1303 131.159 High carbon,Dark 40.538708 1.61372 92.7692 High carbon,Light 32.98589230769231 9.9554 88.3977 Low carbon,Dark 82.9715 82.9715 82.9715 Phloroglucinol 68.72976666666666 47.6284 91.2669 Silicon starvation,12h 52.8649 52.8649 52.8649