condition mean min max 12pM Fe,Midday 22.3316 22.3316 22.3316 12pM Fe,Midnight 17.984299999999998 16.9535 19.0151 58pM Fe,Midday 16.5984 16.5984 16.5984 58pM Fe,Midnight 10.563714285714285 0.0 13.387 233pM Fe,Midnight 8.451016666666666 7.89067 8.97884 1160pM Fe,Midday 15.312228571428571 14.4943 16.9466 1160pM Fe,Midnight 8.4490475 5.0377 12.029 High carbon,Dark 7.854434666666666 2.92447 14.6248 High carbon,Light 7.431798307692308 0.394408 12.4024 Low carbon,Dark 9.43489 9.43489 9.43489 Phloroglucinol 7.455736666666667 5.52746 9.35695 Silicon starvation,12h 17.026 17.026 17.026