condition mean min max 12pM Fe,Midday 14.3576 14.3576 14.3576 12pM Fe,Midnight 17.1541 16.4573 17.8509 58pM Fe,Midday 10.93 10.93 10.93 58pM Fe,Midnight 11.589814285714287 0.0 14.6742 233pM Fe,Midnight 6.118073333333333 6.0942 6.16553 1160pM Fe,Midday 8.756901428571428 7.44298 10.3046 1160pM Fe,Midnight 5.555876666666666 4.43362 7.44744 High carbon,Dark 12.4175264 0.889896 24.6598 High carbon,Light 6.855463153846154 0.661091 13.4492 Low carbon,Dark 9.1237 9.1237 9.1237 Phloroglucinol 2.81386 2.41257 3.44278 Silicon starvation,12h 6.34356 6.34356 6.34356