condition mean min max 12pM Fe,Midday 15.432 15.432 15.432 12pM Fe,Midnight 24.352899999999998 24.187 24.5188 58pM Fe,Midday 17.8273 17.8273 17.8273 58pM Fe,Midnight 17.2898 0.0 23.3282 233pM Fe,Midnight 25.273766666666667 24.1566 27.1043 1160pM Fe,Midday 14.920214285714286 13.1731 16.5177 1160pM Fe,Midnight 7.4298275 3.72343 12.3808 High carbon,Dark 15.515896666666666 5.23942 30.192 High carbon,Light 16.81223153846154 1.00945 34.2758 Low carbon,Dark 22.2902 22.2902 22.2902 Phloroglucinol 12.499203333333334 9.75641 14.3105 Silicon starvation,12h 35.3652 35.3652 35.3652