condition mean min max 12pM Fe,Midday 51.666 51.666 51.666 12pM Fe,Midnight 42.1105 40.5514 43.6696 58pM Fe,Midday 42.8412 42.8412 42.8412 58pM Fe,Midnight 33.46352857142857 27.0141 57.7565 233pM Fe,Midnight 30.4305 28.7017 31.6701 1160pM Fe,Midday 37.12492857142857 34.1457 38.9089 1160pM Fe,Midnight 20.061641666666667 17.8671 24.0373 High carbon,Dark 27.848698666666667 9.25955 45.5069 High carbon,Light 28.48861769230769 2.67818 46.4681 Low carbon,Dark 26.665 26.665 26.665 Phloroglucinol 17.250466666666668 11.9153 24.4629 Silicon starvation,12h 42.1532 42.1532 42.1532