condition mean min max 12pM Fe,Midday 23.4197 23.4197 23.4197 12pM Fe,Midnight 17.7232 16.7444 18.702 58pM Fe,Midday 15.8953 15.8953 15.8953 58pM Fe,Midnight 10.2106 0.0 13.4771 233pM Fe,Midnight 10.929966666666667 10.3587 11.5429 1160pM Fe,Midday 14.216057142857142 12.5307 15.2226 1160pM Fe,Midnight 10.074600833333333 5.356 14.8702 High carbon,Dark 9.422740666666666 2.74172 15.1164 High carbon,Light 10.474184615384615 1.33036 21.095 Low carbon,Dark 8.00042 8.00042 8.00042 Phloroglucinol 65.711 58.1118 70.5418 Silicon starvation,12h 19.5333 19.5333 19.5333