condition mean min max 12pM Fe,Midday 21.5643 21.5643 21.5643 12pM Fe,Midnight 29.79495 26.6374 32.9525 58pM Fe,Midday 15.5764 15.5764 15.5764 58pM Fe,Midnight 15.6397 0.0 22.2794 233pM Fe,Midnight 35.87943333333334 32.8888 39.0116 1160pM Fe,Midday 17.60132857142857 11.6438 23.485 1160pM Fe,Midnight 7.972949166666667 2.7801 18.9031 High carbon,Dark 31.724219333333334 6.27759 48.0699 High carbon,Light 29.925538461538462 10.8816 44.7217 Low carbon,Dark 31.4655 31.4655 31.4655 Phloroglucinol 14.736666666666666 13.3551 16.7906 Silicon starvation,12h 35.0555 35.0555 35.0555