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 0.0828876 0.0828876 0.0828876 58pM Fe,Midnight 0.04392568571428571 0.0 0.0831918 233pM Fe,Midnight 0.077604 0.0 0.116675 1160pM Fe,Midday 0.05285532857142857 0.0 0.143933 1160pM Fe,Midnight 0.14269218333333333 0.0 0.360971 High carbon,Dark 0.5159534 0.0 1.14495 High carbon,Light 0.2574053846153846 0.0 0.707127 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.32605966666666664 0.176097 0.446744 Silicon starvation,12h 0.319788 0.319788 0.319788