condition mean min max 12pM Fe,Midday 51.8587 51.8587 51.8587 12pM Fe,Midnight 24.965049999999998 20.3739 29.5562 58pM Fe,Midday 33.6505 33.6505 33.6505 58pM Fe,Midnight 19.459757142857143 0.0 30.7036 233pM Fe,Midnight 18.954 16.0531 21.4313 1160pM Fe,Midday 26.157385714285716 16.8217 37.1559 1160pM Fe,Midnight 20.384316666666667 12.8797 26.7797 High carbon,Dark 29.38352666666667 5.6537 55.9123 High carbon,Light 27.036017692307695 3.23319 55.7184 Low carbon,Dark 16.8537 16.8537 16.8537 Phloroglucinol 21.352133333333335 15.1648 31.4057 Silicon starvation,12h 73.4371 73.4371 73.4371