condition mean min max 12pM Fe,Midday 17.6016 17.6016 17.6016 12pM Fe,Midnight 18.0696 16.4045 19.7347 58pM Fe,Midday 11.064 11.064 11.064 58pM Fe,Midnight 15.965814285714286 11.8943 34.192 233pM Fe,Midnight 12.893466666666667 11.8603 13.7028 1160pM Fe,Midday 12.972457142857143 11.723 14.3671 1160pM Fe,Midnight 4.354890833333333 2.612 6.2683 High carbon,Dark 12.455510666666667 3.61327 22.9457 High carbon,Light 9.00693 3.10329 14.381 Low carbon,Dark 13.2851 13.2851 13.2851 Phloroglucinol 24.868066666666667 17.8403 36.6968 Silicon starvation,12h 19.5917 19.5917 19.5917