condition mean min max 12pM Fe,Midday 28.9153 28.9153 28.9153 12pM Fe,Midnight 26.2999 24.7408 27.859 58pM Fe,Midday 19.2231 19.2231 19.2231 58pM Fe,Midnight 18.192228571428572 0.0 23.2529 233pM Fe,Midnight 13.536533333333333 13.23 13.7072 1160pM Fe,Midday 16.406485714285715 13.2544 18.2153 1160pM Fe,Midnight 13.831348333333333 8.09703 17.3326 High carbon,Dark 19.910430666666667 7.79994 34.9508 High carbon,Light 14.565071538461538 2.61197 29.1125 Low carbon,Dark 13.7976 13.7976 13.7976 Phloroglucinol 22.1026 17.448 27.0485 Silicon starvation,12h 27.681 27.681 27.681