condition mean min max 12pM Fe,Midday 23.1275 23.1275 23.1275 12pM Fe,Midnight 18.87255 16.5938 21.1513 58pM Fe,Midday 12.691 12.691 12.691 58pM Fe,Midnight 10.454598571428571 0.0 15.5194 233pM Fe,Midnight 6.282196666666667 5.02434 7.26517 1160pM Fe,Midday 12.66007142857143 10.8666 14.0778 1160pM Fe,Midnight 6.5700775 4.77977 8.35261 High carbon,Dark 5.479659333333333 2.19131 8.55401 High carbon,Light 7.061143153846154 0.844371 11.3173 Low carbon,Dark 8.73985 8.73985 8.73985 Phloroglucinol 6.827703333333334 3.48265 10.9931 Silicon starvation,12h 17.9531 17.9531 17.9531