condition mean min max 12pM Fe,Midday 39.4322 39.4322 39.4322 12pM Fe,Midnight 32.55445 31.5783 33.5306 58pM Fe,Midday 36.5707 36.5707 36.5707 58pM Fe,Midnight 18.970514285714287 0.0 25.4101 233pM Fe,Midnight 22.107133333333334 21.5681 22.456 1160pM Fe,Midday 33.428785714285716 30.4561 36.2644 1160pM Fe,Midnight 19.289416666666668 11.9245 24.9207 High carbon,Dark 17.595986 5.65823 29.2247 High carbon,Light 21.17001769230769 1.73797 38.7133 Low carbon,Dark 17.4752 17.4752 17.4752 Phloroglucinol 25.787333333333333 22.7272 29.0626 Silicon starvation,12h 49.0706 49.0706 49.0706