condition mean min max 12pM Fe,Midday 26.047 26.047 26.047 12pM Fe,Midnight 32.10785 29.1026 35.1131 58pM Fe,Midday 26.6666 26.6666 26.6666 58pM Fe,Midnight 26.545042857142857 0.0 33.7741 233pM Fe,Midnight 23.688266666666667 23.4857 23.8627 1160pM Fe,Midday 24.1019 20.6723 28.6593 1160pM Fe,Midnight 16.384316666666667 13.6442 20.0867 High carbon,Dark 16.268932666666668 5.80006 30.2455 High carbon,Light 11.162952307692308 2.04116 19.7319 Low carbon,Dark 12.5927 12.5927 12.5927 Phloroglucinol 18.931533333333334 15.7822 25.2255 Silicon starvation,12h 14.6974 14.6974 14.6974