condition mean min max 12pM Fe,Midday 0.426453 0.426453 0.426453 12pM Fe,Midnight 0.65924 0.443494 0.874986 58pM Fe,Midday 0.377346 0.377346 0.377346 58pM Fe,Midnight 1.1446901428571428 0.0 1.75963 233pM Fe,Midnight 0.7110253333333334 0.265582 1.05743 1160pM Fe,Midday 3.007237142857143 2.04695 5.40103 1160pM Fe,Midnight 0.3044866666666667 0.0 1.01024 High carbon,Dark 1.3864163999999999 0.0 4.68113 High carbon,Light 2.1248893076923077 0.0 10.1968 Low carbon,Dark 5.54376 5.54376 5.54376 Phloroglucinol 4.197496666666667 2.40504 6.68249 Silicon starvation,12h 23.5359 23.5359 23.5359