condition mean min max 12pM Fe,Midday 7.20985 7.20985 7.20985 12pM Fe,Midnight 35.5877 35.5601 35.6153 58pM Fe,Midday 13.25 13.25 13.25 58pM Fe,Midnight 30.810314285714288 0.0 38.7885 233pM Fe,Midnight 60.527 59.0617 63.1727 1160pM Fe,Midday 0.709732 0.33767 1.17172 1160pM Fe,Midnight 86.451825 74.4617 108.178 High carbon,Dark 62.056626666666666 40.5113 106.653 High carbon,Light 60.86940830769231 0.194498 157.048 Low carbon,Dark 29.74 29.74 29.74 Phloroglucinol 22.405166666666666 14.0253 28.063 Silicon starvation,12h 63.8205 63.8205 63.8205