condition mean min max 12pM Fe,Midday 23.5224 23.5224 23.5224 12pM Fe,Midnight 16.372 14.4788 18.2652 58pM Fe,Midday 29.9717 29.9717 29.9717 58pM Fe,Midnight 11.613491428571429 0.0 18.2469 233pM Fe,Midnight 6.6636066666666665 6.25025 7.48514 1160pM Fe,Midday 11.115361428571429 9.07603 12.603 1160pM Fe,Midnight 1.2119849999999999 0.241713 2.35837 High carbon,Dark 6.7697802000000005 0.994173 12.1138 High carbon,Light 3.8385556923076924 0.849684 8.50095 Low carbon,Dark 7.89942 7.89942 7.89942 Phloroglucinol 1.251135 0.693995 1.6705 Silicon starvation,12h 14.6326 14.6326 14.6326