condition mean min max 12pM Fe,Midday 51.7138 51.7138 51.7138 12pM Fe,Midnight 25.003 23.2238 26.7822 58pM Fe,Midday 42.6347 42.6347 42.6347 58pM Fe,Midnight 19.329428571428572 0.0 25.9427 233pM Fe,Midnight 17.145866666666667 16.2217 17.8843 1160pM Fe,Midday 30.064442857142858 25.0707 37.4908 1160pM Fe,Midnight 3.807325 1.7696 7.9803 High carbon,Dark 33.196998 0.0 66.9595 High carbon,Light 20.82448076923077 1.46721 49.5987 Low carbon,Dark 35.7731 35.7731 35.7731 Phloroglucinol 3.35115 2.2124 4.95238 Silicon starvation,12h 21.0337 21.0337 21.0337