condition mean min max 12pM Fe,Midday 20.3525 20.3525 20.3525 12pM Fe,Midnight 25.766750000000002 24.6627 26.8708 58pM Fe,Midday 10.4921 10.4921 10.4921 58pM Fe,Midnight 36.93 17.2338 125.827 233pM Fe,Midnight 19.511966666666666 17.7449 20.8445 1160pM Fe,Midday 11.925491428571428 9.92544 14.1957 1160pM Fe,Midnight 7.012819166666667 3.70133 15.2687 High carbon,Dark 11.585632666666667 3.09019 21.3971 High carbon,Light 6.797847615384615 0.208379 14.8108 Low carbon,Dark 9.49023 9.49023 9.49023 Phloroglucinol 7.400426666666666 5.98855 9.16372 Silicon starvation,12h 21.5487 21.5487 21.5487