condition mean min max 12pM Fe,Midday 6.8678 6.8678 6.8678 12pM Fe,Midnight 19.27055 17.9934 20.5477 58pM Fe,Midday 4.30061 4.30061 4.30061 58pM Fe,Midnight 22.011057142857144 0.0 40.4428 233pM Fe,Midnight 11.271633333333334 10.6372 12.3706 1160pM Fe,Midday 5.425028571428571 4.2029 8.3532 1160pM Fe,Midnight 8.268844166666666 2.53712 19.1706 High carbon,Dark 19.04287666666667 4.21987 42.9388 High carbon,Light 9.510847692307692 2.71935 29.3465 Low carbon,Dark 16.654 16.654 16.654 Phloroglucinol 12.46069 9.26917 16.5566 Silicon starvation,12h 15.51 15.51 15.51