condition mean min max 12pM Fe,Midday 45.8832 45.8832 45.8832 12pM Fe,Midnight 46.47825 41.4225 51.534 58pM Fe,Midday 60.0874 60.0874 60.0874 58pM Fe,Midnight 34.79782857142857 0.0 48.4668 233pM Fe,Midnight 22.932833333333335 19.7555 26.2887 1160pM Fe,Midday 44.25718571428572 30.3495 56.8301 1160pM Fe,Midnight 14.67516 4.24341 27.1837 High carbon,Dark 33.37118666666667 0.0 91.3903 High carbon,Light 18.72365153846154 2.16096 45.5217 Low carbon,Dark 32.8057 32.8057 32.8057 Phloroglucinol 86.41833333333334 63.2535 127.542 Silicon starvation,12h 50.1237 50.1237 50.1237