condition mean min max 12pM Fe,Midday 8.04446 8.04446 8.04446 12pM Fe,Midnight 11.18077 5.85614 16.5054 58pM Fe,Midday 4.98268 4.98268 4.98268 58pM Fe,Midnight 10.113787142857143 0.0 16.974 233pM Fe,Midnight 6.029226666666667 4.58422 8.51673 1160pM Fe,Midday 7.800351428571428 5.06083 10.5064 1160pM Fe,Midnight 7.7666625 2.91611 12.4624 High carbon,Dark 4.585028666666667 0.0 19.452 High carbon,Light 2.2401484615384617 0.0 11.2203 Low carbon,Dark 7.84317 7.84317 7.84317 Phloroglucinol 14.68652 5.08586 20.8266 Silicon starvation,12h 1.83082 1.83082 1.83082