condition mean min max 12pM Fe,Midday 62.1687 62.1687 62.1687 12pM Fe,Midnight 56.7341 56.3476 57.1206 58pM Fe,Midday 41.1238 41.1238 41.1238 58pM Fe,Midnight 70.88498571428572 45.8484 107.282 233pM Fe,Midnight 52.4475 50.3241 56.5715 1160pM Fe,Midday 88.17892857142857 79.598 95.5232 1160pM Fe,Midnight 41.487075 32.4076 57.2724 High carbon,Dark 42.54422 10.0121 109.255 High carbon,Light 102.20547076923077 4.26402 216.423 Low carbon,Dark 45.6069 45.6069 45.6069 Phloroglucinol 22.39792333333333 5.75707 40.0674 Silicon starvation,12h 60.7849 60.7849 60.7849