condition mean min max 12pM Fe,Midday 52.7012 52.7012 52.7012 12pM Fe,Midnight 42.44855 41.5102 43.3869 58pM Fe,Midday 41.7009 41.7009 41.7009 58pM Fe,Midnight 41.88902857142857 32.9736 58.2723 233pM Fe,Midnight 45.3012 43.9481 46.2349 1160pM Fe,Midday 29.09567142857143 27.3926 30.4736 1160pM Fe,Midnight 39.178025 21.6166 56.2693 High carbon,Dark 66.75138666666666 23.6424 111.198 High carbon,Light 63.5191 15.6544 131.052 Low carbon,Dark 35.0274 35.0274 35.0274 Phloroglucinol 35.45516666666667 19.3798 45.2307 Silicon starvation,12h 61.836 61.836 61.836