condition mean min max 12pM Fe,Midday 31.7042 31.7042 31.7042 12pM Fe,Midnight 34.463300000000004 32.525 36.4016 58pM Fe,Midday 29.8371 29.8371 29.8371 58pM Fe,Midnight 27.565157142857142 0.0 36.4567 233pM Fe,Midnight 34.41616666666667 33.7401 34.9272 1160pM Fe,Midday 23.807914285714286 20.5305 27.5279 1160pM Fe,Midnight 29.99785 25.9221 37.0043 High carbon,Dark 40.292213333333336 23.3593 55.4679 High carbon,Light 35.74904615384615 12.5151 65.6989 Low carbon,Dark 35.7351 35.7351 35.7351 Phloroglucinol 74.256 58.3368 90.3958 Silicon starvation,12h 164.121 164.121 164.121