condition mean min max 12pM Fe,Midday 6.40231 6.40231 6.40231 12pM Fe,Midnight 21.1679 20.142 22.1938 58pM Fe,Midday 2.83253 2.83253 2.83253 58pM Fe,Midnight 29.93517142857143 14.3489 75.8645 233pM Fe,Midnight 58.732 55.1318 61.0035 1160pM Fe,Midday 4.606867142857142 2.70284 5.63395 1160pM Fe,Midnight 22.978890833333335 8.57865 48.4279 High carbon,Dark 13.144461866666667 0.450468 32.7186 High carbon,Light 5.620349 0.395162 11.507 Low carbon,Dark 13.1778 13.1778 13.1778 Phloroglucinol 1.5635433333333333 1.33728 1.75399 Silicon starvation,12h 17.7279 17.7279 17.7279