condition mean min max 12pM Fe,Midday 20.0798 20.0798 20.0798 12pM Fe,Midnight 17.85505 16.8346 18.8755 58pM Fe,Midday 16.8283 16.8283 16.8283 58pM Fe,Midnight 11.3744 0.0 14.6307 233pM Fe,Midnight 15.4851 14.8053 16.4715 1160pM Fe,Midday 11.018385714285714 10.4732 11.6208 1160pM Fe,Midnight 11.917780833333333 7.89389 17.3796 High carbon,Dark 20.795252 3.36478 36.395 High carbon,Light 17.235229076923076 0.992698 32.835 Low carbon,Dark 10.2055 10.2055 10.2055 Phloroglucinol 17.7116 10.2901 26.2158 Silicon starvation,12h 19.8802 19.8802 19.8802