condition mean min max 12pM Fe,Midday 32.0643 32.0643 32.0643 12pM Fe,Midnight 32.50135 30.3141 34.6886 58pM Fe,Midday 36.1098 36.1098 36.1098 58pM Fe,Midnight 20.574914285714286 0.0 29.0526 233pM Fe,Midnight 21.9732 18.4567 26.1408 1160pM Fe,Midday 25.239214285714286 21.4984 27.4496 1160pM Fe,Midnight 10.242570833333334 6.35821 12.2572 High carbon,Dark 17.55249 6.46797 31.9969 High carbon,Light 21.92221076923077 1.37285 45.0209 Low carbon,Dark 25.5779 25.5779 25.5779 Phloroglucinol 14.2265 12.786 15.8876 Silicon starvation,12h 47.1016 47.1016 47.1016