condition mean min max 12pM Fe,Midday 40.5192 40.5192 40.5192 12pM Fe,Midnight 29.400750000000002 28.1871 30.6144 58pM Fe,Midday 27.8589 27.8589 27.8589 58pM Fe,Midnight 18.392699999999998 0.0 24.4716 233pM Fe,Midnight 15.5256 13.9166 16.5386 1160pM Fe,Midday 22.441585714285715 19.1403 25.5791 1160pM Fe,Midnight 9.7334925 6.32995 15.4401 High carbon,Dark 15.037298666666667 3.16681 26.1252 High carbon,Light 13.226034615384615 3.12819 27.2758 Low carbon,Dark 15.5708 15.5708 15.5708 Phloroglucinol 18.016133333333332 15.7832 19.3986 Silicon starvation,12h 24.3003 24.3003 24.3003