condition mean min max 12pM Fe,Midday 30.2516 30.2516 30.2516 12pM Fe,Midnight 14.692599999999999 14.3593 15.0259 58pM Fe,Midday 24.5706 24.5706 24.5706 58pM Fe,Midnight 11.077871428571429 0.0 13.6934 233pM Fe,Midnight 19.064433333333334 18.333 20.5126 1160pM Fe,Midday 20.151942857142856 16.4943 22.9905 1160pM Fe,Midnight 8.539462499999999 4.99151 13.3869 High carbon,Dark 15.008951333333334 3.39921 23.428 High carbon,Light 11.23005 3.05809 18.082 Low carbon,Dark 14.6739 14.6739 14.6739 Phloroglucinol 6.328973333333334 3.49685 9.68997 Silicon starvation,12h 39.4981 39.4981 39.4981