condition mean min max 12pM Fe,Midday 59.8282 59.8282 59.8282 12pM Fe,Midnight 57.513850000000005 54.0844 60.9433 58pM Fe,Midday 74.8252 74.8252 74.8252 58pM Fe,Midnight 32.59804285714286 0.0 42.1411 233pM Fe,Midnight 29.1945 27.1733 32.8937 1160pM Fe,Midday 43.4282 39.5554 47.1956 1160pM Fe,Midnight 20.514258333333334 15.5251 24.8297 High carbon,Dark 28.62384 11.4432 51.0531 High carbon,Light 27.719553846153847 10.4545 46.28 Low carbon,Dark 33.6658 33.6658 33.6658 Phloroglucinol 49.4882 46.8104 51.3996 Silicon starvation,12h 41.6183 41.6183 41.6183