condition mean min max 12pM Fe,Midday 28.221 28.221 28.221 12pM Fe,Midnight 26.5031 25.1974 27.8088 58pM Fe,Midday 19.2213 19.2213 19.2213 58pM Fe,Midnight 15.196871428571429 0.0 18.7251 233pM Fe,Midnight 15.208366666666667 14.5111 15.5765 1160pM Fe,Midday 14.379314285714287 12.8114 16.1462 1160pM Fe,Midnight 5.899914166666667 2.76143 11.1723 High carbon,Dark 11.786431333333333 2.94266 19.6833 High carbon,Light 6.496122307692308 0.0 10.7449 Low carbon,Dark 11.9171 11.9171 11.9171 Phloroglucinol 6.869 4.18832 12.0169 Silicon starvation,12h 16.4794 16.4794 16.4794