condition mean min max 12pM Fe,Midday 19.4292 19.4292 19.4292 12pM Fe,Midnight 17.10315 16.1586 18.0477 58pM Fe,Midday 14.9385 14.9385 14.9385 58pM Fe,Midnight 17.829471428571427 14.1418 33.5282 233pM Fe,Midnight 10.144453333333333 9.29616 10.9252 1160pM Fe,Midday 13.821071428571429 10.4895 16.9013 1160pM Fe,Midnight 7.043425833333333 3.85251 12.5134 High carbon,Dark 9.792507333333333 3.03696 16.6945 High carbon,Light 7.639370769230769 0.25552 16.7258 Low carbon,Dark 6.13043 6.13043 6.13043 Phloroglucinol 15.758766666666666 12.2339 19.5986 Silicon starvation,12h 40.5157 40.5157 40.5157