condition mean min max 12pM Fe,Midday 51.998 51.998 51.998 12pM Fe,Midnight 33.7828 33.6417 33.9239 58pM Fe,Midday 35.4088 35.4088 35.4088 58pM Fe,Midnight 21.911357142857142 0.0 31.1106 233pM Fe,Midnight 18.7785 18.122 19.3998 1160pM Fe,Midday 30.112 24.7047 35.6553 1160pM Fe,Midnight 22.516154166666666 9.12825 35.3834 High carbon,Dark 27.757514 7.94961 48.9923 High carbon,Light 43.374535384615385 3.94992 94.7723 Low carbon,Dark 31.5395 31.5395 31.5395 Phloroglucinol 93.6012 87.3413 101.354 Silicon starvation,12h 42.5373 42.5373 42.5373