condition mean min max 12pM Fe,Midday 9.07105 9.07105 9.07105 12pM Fe,Midnight 42.28115 40.1599 44.4024 58pM Fe,Midday 6.42119 6.42119 6.42119 58pM Fe,Midnight 42.38637142857143 26.5967 92.1325 233pM Fe,Midnight 29.8746 27.7616 31.0154 1160pM Fe,Midday 0.306211 0.0 0.682994 1160pM Fe,Midnight 33.3266 23.3955 41.5412 High carbon,Dark 23.848230666666666 9.32426 31.863 High carbon,Light 5.571952307692308 1.1329 13.9432 Low carbon,Dark 6.31719 6.31719 6.31719 Phloroglucinol 22.3864 17.2149 29.1348 Silicon starvation,12h 17.4004 17.4004 17.4004