condition mean min max 12pM Fe,Midday 27.057 27.057 27.057 12pM Fe,Midnight 24.186 23.0792 25.2928 58pM Fe,Midday 35.7775 35.7775 35.7775 58pM Fe,Midnight 24.3144 0.0 35.0988 233pM Fe,Midnight 9.378233333333334 8.85741 9.8451 1160pM Fe,Midday 19.949042857142857 16.2568 23.3765 1160pM Fe,Midnight 18.3580425 5.951 27.847 High carbon,Dark 30.845226666666665 6.2639 55.7464 High carbon,Light 24.1605 2.17102 55.7297 Low carbon,Dark 28.6524 28.6524 28.6524 Phloroglucinol 13.248633333333334 10.2871 18.067 Silicon starvation,12h 16.6054 16.6054 16.6054