condition mean min max 12pM Fe,Midday 38.4955 38.4955 38.4955 12pM Fe,Midnight 41.4658 38.6234 44.3082 58pM Fe,Midday 31.5702 31.5702 31.5702 58pM Fe,Midnight 38.75201428571429 29.2772 74.1715 233pM Fe,Midnight 19.856633333333335 17.9136 21.2451 1160pM Fe,Midday 19.495714285714286 18.0762 21.7403 1160pM Fe,Midnight 14.023841666666668 10.6777 16.9647 High carbon,Dark 18.10410866666667 7.4685 30.6918 High carbon,Light 15.084463076923077 1.22834 39.3854 Low carbon,Dark 14.7485 14.7485 14.7485 Phloroglucinol 11.571133333333334 11.0479 11.938 Silicon starvation,12h 19.0536 19.0536 19.0536