condition mean min max 12pM Fe,Midday 9.6893 9.6893 9.6893 12pM Fe,Midnight 15.9097 15.2652 16.5542 58pM Fe,Midday 6.43016 6.43016 6.43016 58pM Fe,Midnight 10.556681428571428 0.0 14.8954 233pM Fe,Midnight 15.311433333333333 12.4994 19.0625 1160pM Fe,Midday 4.1698514285714285 2.86116 5.8135 1160pM Fe,Midnight 17.492100833333332 7.21302 28.803 High carbon,Dark 8.203364 2.00137 24.3105 High carbon,Light 5.464276923076923 0.0 17.2381 Low carbon,Dark 4.4985 4.4985 4.4985 Phloroglucinol 13.220886666666667 8.25166 21.0026 Silicon starvation,12h 13.7823 13.7823 13.7823