condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 2.78518 2.76621 2.80415 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 5.04709 0.0 13.5697 233pM Fe,Midnight 26.2324 25.0723 27.3169 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 12.16298 1.62448 33.7249 High carbon,Dark 4.399657466666667 0.0 22.5069 High carbon,Light 0.5519357692307693 0.0 2.98484 Low carbon,Dark 1.46052 1.46052 1.46052 Phloroglucinol 0.0 0.0 0.0 Silicon starvation,12h 2.21602 2.21602 2.21602