condition mean min max 12pM Fe,Midday 28.8954 28.8954 28.8954 12pM Fe,Midnight 27.6715 26.6835 28.6595 58pM Fe,Midday 20.1043 20.1043 20.1043 58pM Fe,Midnight 17.083042857142857 0.0 21.3393 233pM Fe,Midnight 15.993533333333334 15.125 16.8751 1160pM Fe,Midday 16.198514285714285 14.8672 17.6396 1160pM Fe,Midnight 6.106616666666667 4.55975 8.49783 High carbon,Dark 13.788622 2.45089 28.9544 High carbon,Light 10.870838461538462 1.05878 27.1155 Low carbon,Dark 13.6381 13.6381 13.6381 Phloroglucinol 16.04343 9.95489 22.7497 Silicon starvation,12h 14.9398 14.9398 14.9398