condition mean min max 12pM Fe,Midday 51.9427 51.9427 51.9427 12pM Fe,Midnight 37.14945 36.5418 37.7571 58pM Fe,Midday 40.3083 40.3083 40.3083 58pM Fe,Midnight 30.0454 23.6462 49.3714 233pM Fe,Midnight 33.4394 31.5699 34.9995 1160pM Fe,Midday 33.8547 31.6896 36.6312 1160pM Fe,Midnight 63.50443333333333 16.916 101.663 High carbon,Dark 24.44302 13.1677 38.1123 High carbon,Light 26.638111538461537 5.07953 59.2135 Low carbon,Dark 14.2179 14.2179 14.2179 Phloroglucinol 44.9881 40.9033 51.1027 Silicon starvation,12h 39.5894 39.5894 39.5894