condition mean min max 12pM Fe,Midday 35.2898 35.2898 35.2898 12pM Fe,Midnight 20.250349999999997 18.2217 22.279 58pM Fe,Midday 21.6181 21.6181 21.6181 58pM Fe,Midnight 11.966555714285715 0.0 20.3017 233pM Fe,Midnight 11.621233333333333 11.0656 12.3913 1160pM Fe,Midday 16.53317142857143 14.8067 18.5347 1160pM Fe,Midnight 5.1738825 2.69147 7.07278 High carbon,Dark 9.914568666666666 1.32439 18.3833 High carbon,Light 8.88788676923077 0.290568 23.013 Low carbon,Dark 9.62428 9.62428 9.62428 Phloroglucinol 12.38381 9.74233 14.4594 Silicon starvation,12h 29.9076 29.9076 29.9076