condition mean min max 12pM Fe,Midday 31.248 31.248 31.248 12pM Fe,Midnight 22.214599999999997 18.9351 25.4941 58pM Fe,Midday 21.1182 21.1182 21.1182 58pM Fe,Midnight 15.1564 0.0 20.5589 233pM Fe,Midnight 17.7477 16.8554 18.695 1160pM Fe,Midday 19.245371428571428 16.8235 25.3671 1160pM Fe,Midnight 11.1321625 8.13506 14.9603 High carbon,Dark 17.583298666666668 8.82908 25.7755 High carbon,Light 18.445886153846153 3.47643 31.7714 Low carbon,Dark 16.7923 16.7923 16.7923 Phloroglucinol 17.825666666666667 12.4445 27.1564 Silicon starvation,12h 35.4182 35.4182 35.4182