condition mean min max 12pM Fe,Midday 39.6237 39.6237 39.6237 12pM Fe,Midnight 18.1191 17.3238 18.9144 58pM Fe,Midday 28.478 28.478 28.478 58pM Fe,Midnight 12.704171428571428 0.0 15.8341 233pM Fe,Midnight 12.740166666666667 12.4893 13.0332 1160pM Fe,Midday 26.064242857142858 20.8603 28.6158 1160pM Fe,Midnight 11.007360833333333 6.04473 13.9752 High carbon,Dark 15.055626 6.49504 22.137 High carbon,Light 16.997106153846154 4.31057 32.5112 Low carbon,Dark 9.19814 9.19814 9.19814 Phloroglucinol 24.821533333333335 22.8023 28.7586 Silicon starvation,12h 42.5127 42.5127 42.5127