condition mean min max 12pM Fe,Midday 39.3805 39.3805 39.3805 12pM Fe,Midnight 28.784100000000002 24.7432 32.825 58pM Fe,Midday 31.9419 31.9419 31.9419 58pM Fe,Midnight 16.9768 0.0 30.5017 233pM Fe,Midnight 27.385133333333332 24.9204 31.6881 1160pM Fe,Midday 27.663842857142857 18.909 36.755 1160pM Fe,Midnight 7.50624 1.26459 19.1247 High carbon,Dark 21.188214666666667 8.62862 48.4647 High carbon,Light 11.445946923076923 4.60355 22.7944 Low carbon,Dark 13.3317 13.3317 13.3317 Phloroglucinol 25.3205 15.042 35.2144 Silicon starvation,12h 39.211 39.211 39.211