condition mean min max 12pM Fe,Midday 28.322 28.322 28.322 12pM Fe,Midnight 33.41065 30.2552 36.5661 58pM Fe,Midday 28.4702 28.4702 28.4702 58pM Fe,Midnight 24.023357142857144 0.0 33.4022 233pM Fe,Midnight 32.03693333333333 31.2301 32.8442 1160pM Fe,Midday 23.212642857142857 17.7621 25.8943 1160pM Fe,Midnight 27.11990833333333 15.7396 49.0287 High carbon,Dark 34.41699333333333 20.5212 51.0641 High carbon,Light 26.102584615384615 11.0811 54.8974 Low carbon,Dark 29.7422 29.7422 29.7422 Phloroglucinol 6.324916666666667 5.67431 7.08825 Silicon starvation,12h 53.4952 53.4952 53.4952