condition mean min max 12pM Fe,Midday 23.5759 23.5759 23.5759 12pM Fe,Midnight 27.80595 26.4679 29.144 58pM Fe,Midday 22.4355 22.4355 22.4355 58pM Fe,Midnight 41.24418571428571 18.3965 158.13 233pM Fe,Midnight 30.30666666666667 28.1262 34.6282 1160pM Fe,Midday 14.932985714285715 12.3027 17.4903 1160pM Fe,Midnight 24.970741666666665 11.5914 37.4099 High carbon,Dark 47.55264 30.947 62.3771 High carbon,Light 30.239684615384615 1.872 47.2824 Low carbon,Dark 20.962 20.962 20.962 Phloroglucinol 27.628666666666668 22.4983 36.9735 Silicon starvation,12h 49.3532 49.3532 49.3532