condition mean min max 12pM Fe,Midday 20.4922 20.4922 20.4922 12pM Fe,Midnight 15.6765 14.4702 16.8828 58pM Fe,Midday 14.3647 14.3647 14.3647 58pM Fe,Midnight 10.803865714285715 0.0 14.5356 233pM Fe,Midnight 14.648366666666666 13.6929 15.4186 1160pM Fe,Midday 13.71117142857143 12.3697 15.9554 1160pM Fe,Midnight 6.444166666666667 3.63731 10.4251 High carbon,Dark 11.980409333333332 4.99881 24.2536 High carbon,Light 8.1932 2.03678 14.427 Low carbon,Dark 9.51402 9.51402 9.51402 Phloroglucinol 4.747943333333334 3.33531 6.61804 Silicon starvation,12h 16.0506 16.0506 16.0506