condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.5672771428571429 0.0 2.04469 233pM Fe,Midnight 0.25598533333333334 0.0 0.767956 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.22828683333333333 0.0 0.931556 High carbon,Dark 0.5868053333333333 0.0 2.71974 High carbon,Light 0.3177369230769231 0.0 2.67193 Low carbon,Dark 2.01308 2.01308 2.01308 Phloroglucinol 1.316399 0.0 3.10517 Silicon starvation,12h 3.52433 3.52433 3.52433