condition mean min max 12pM Fe,Midday 15.9181 15.9181 15.9181 12pM Fe,Midnight 9.50057 8.49304 10.5081 58pM Fe,Midday 10.7782 10.7782 10.7782 58pM Fe,Midnight 5.495875714285714 0.0 7.20997 233pM Fe,Midnight 4.990106666666667 4.90805 5.06251 1160pM Fe,Midday 5.7881414285714285 4.67485 7.02186 1160pM Fe,Midnight 1.8217273333333333 0.606283 3.79281 High carbon,Dark 11.228253333333333 4.71734 21.3479 High carbon,Light 9.023593846153846 0.0 16.0617 Low carbon,Dark 2.92403 2.92403 2.92403 Phloroglucinol 11.1553 10.3217 11.639 Silicon starvation,12h 7.95434 7.95434 7.95434