condition mean min max 12pM Fe,Midday 145.334 145.334 145.334 12pM Fe,Midnight 61.24375 58.6783 63.8092 58pM Fe,Midday 69.7052 69.7052 69.7052 58pM Fe,Midnight 30.30262857142857 0.0 43.2546 233pM Fe,Midnight 17.629933333333334 15.1496 20.5774 1160pM Fe,Midday 101.65572857142857 83.5793 118.345 1160pM Fe,Midnight 19.40536 8.4821 27.4651 High carbon,Dark 20.038590666666668 8.83666 33.6756 High carbon,Light 18.857066153846155 3.67341 33.9016 Low carbon,Dark 9.71686 9.71686 9.71686 Phloroglucinol 0.6867686666666667 0.162916 1.23991 Silicon starvation,12h 23.3722 23.3722 23.3722