condition mean min max 12pM Fe,Midday 13.3196 13.3196 13.3196 12pM Fe,Midnight 8.40428 7.95199 8.85657 58pM Fe,Midday 10.5854 10.5854 10.5854 58pM Fe,Midnight 14.33385 8.53339 43.842 233pM Fe,Midnight 9.714066666666668 8.75587 10.7032 1160pM Fe,Midday 7.595447142857143 4.89417 10.3595 1160pM Fe,Midnight 7.4859225 4.55253 12.4285 High carbon,Dark 9.49346 1.95469 11.9287 High carbon,Light 7.392094923076923 0.835304 11.1898 Low carbon,Dark 5.81178 5.81178 5.81178 Phloroglucinol 5.79598 4.28843 7.22611 Silicon starvation,12h 23.3669 23.3669 23.3669