condition mean min max 12pM Fe,Midday 81.0881 81.0881 81.0881 12pM Fe,Midnight 56.120000000000005 52.3772 59.8628 58pM Fe,Midday 59.7921 59.7921 59.7921 58pM Fe,Midnight 76.51612857142857 49.5683 177.937 233pM Fe,Midnight 45.1551 42.0827 49.6457 1160pM Fe,Midday 66.32568571428571 58.7676 73.8682 1160pM Fe,Midnight 37.19189166666666 29.8611 44.7487 High carbon,Dark 41.15793333333333 18.2466 71.612 High carbon,Light 42.12228 5.89354 86.7702 Low carbon,Dark 29.2812 29.2812 29.2812 Phloroglucinol 42.272133333333336 31.9927 51.1531 Silicon starvation,12h 88.0013 88.0013 88.0013