condition mean min max 12pM Fe,Midday 19.2094 19.2094 19.2094 12pM Fe,Midnight 16.49035 14.6966 18.2841 58pM Fe,Midday 16.9974 16.9974 16.9974 58pM Fe,Midnight 52.11382857142857 32.4615 115.741 233pM Fe,Midnight 63.89983333333333 60.6089 66.3037 1160pM Fe,Midday 15.762771428571428 11.0371 28.3142 1160pM Fe,Midnight 195.20633333333333 106.815 270.606 High carbon,Dark 74.82226666666666 24.3025 141.627 High carbon,Light 47.33178 3.52825 112.705 Low carbon,Dark 19.5753 19.5753 19.5753 Phloroglucinol 17.640966666666667 11.7329 23.6662 Silicon starvation,12h 95.0317 95.0317 95.0317