condition mean min max 12pM Fe,Midday 14.3935 14.3935 14.3935 12pM Fe,Midnight 80.937 75.8911 85.9829 58pM Fe,Midday 7.81934 7.81934 7.81934 58pM Fe,Midnight 60.086214285714284 46.3215 71.3958 233pM Fe,Midnight 61.84446666666666 61.0404 62.9969 1160pM Fe,Midday 9.612572857142856 8.20643 12.4819 1160pM Fe,Midnight 33.90998333333334 26.7491 46.3034 High carbon,Dark 60.05745133333333 4.88087 127.463 High carbon,Light 20.14035 1.22086 55.2871 Low carbon,Dark 32.9621 32.9621 32.9621 Phloroglucinol 26.647833333333335 14.5149 35.7588 Silicon starvation,12h 6.85629 6.85629 6.85629