condition mean min max 12pM Fe,Midday 52.15 52.15 52.15 12pM Fe,Midnight 40.10375 40.0241 40.1834 58pM Fe,Midday 21.3596 21.3596 21.3596 58pM Fe,Midnight 19.837071428571427 0.0 31.3439 233pM Fe,Midnight 9.433183333333332 7.49805 10.7785 1160pM Fe,Midday 19.69732857142857 16.0535 24.1438 1160pM Fe,Midnight 13.626051666666667 4.09207 22.2983 High carbon,Dark 16.481234666666666 2.44427 37.4964 High carbon,Light 13.203901538461539 3.48575 24.8037 Low carbon,Dark 9.62133 9.62133 9.62133 Phloroglucinol 31.659166666666668 18.123 41.5807 Silicon starvation,12h 24.2297 24.2297 24.2297