condition mean min max 12pM Fe,Midday 39.8643 39.8643 39.8643 12pM Fe,Midnight 46.9965 44.3756 49.6174 58pM Fe,Midday 28.4089 28.4089 28.4089 58pM Fe,Midnight 37.67238571428572 29.4662 58.68 233pM Fe,Midnight 17.4433 16.9106 17.7681 1160pM Fe,Midday 21.582414285714286 17.2645 24.8782 1160pM Fe,Midnight 22.278691666666667 13.1697 28.9206 High carbon,Dark 38.740439333333335 7.78209 78.8316 High carbon,Light 27.65157153846154 3.49843 47.3629 Low carbon,Dark 38.8936 38.8936 38.8936 Phloroglucinol 5.384273333333334 5.22356 5.53109 Silicon starvation,12h 12.9609 12.9609 12.9609