condition mean min max 12pM Fe,Midday 4.44355 4.44355 4.44355 12pM Fe,Midnight 7.561865 7.18841 7.93532 58pM Fe,Midday 2.32999 2.32999 2.32999 58pM Fe,Midnight 5.649675714285714 0.0 9.50034 233pM Fe,Midnight 10.03895 9.28383 10.9937 1160pM Fe,Midday 1.0018111428571428 0.776521 1.35533 1160pM Fe,Midnight 4.257436 0.380512 11.8833 High carbon,Dark 14.322708 5.4196 21.0989 High carbon,Light 7.067014230769231 0.115433 16.8774 Low carbon,Dark 6.01717 6.01717 6.01717 Phloroglucinol 6.266923333333334 4.57812 8.24125 Silicon starvation,12h 6.83562 6.83562 6.83562