condition mean min max 12pM Fe,Midday 19.2789 19.2789 19.2789 12pM Fe,Midnight 15.487100000000002 15.4082 15.566 58pM Fe,Midday 15.6373 15.6373 15.6373 58pM Fe,Midnight 6.282465714285714 0.0 9.1058 233pM Fe,Midnight 19.42513333333333 17.705 20.6775 1160pM Fe,Midday 10.448915714285715 7.98817 11.9956 1160pM Fe,Midnight 3.342877833333333 0.691358 8.2115 High carbon,Dark 16.569231333333335 8.50927 24.4918 High carbon,Light 12.120829846153846 0.751228 18.1725 Low carbon,Dark 11.8928 11.8928 11.8928 Phloroglucinol 6.234063333333333 5.14546 8.02677 Silicon starvation,12h 48.7515 48.7515 48.7515