condition mean min max 12pM Fe,Midday 35.5893 35.5893 35.5893 12pM Fe,Midnight 51.6417 51.1149 52.1685 58pM Fe,Midday 26.3925 26.3925 26.3925 58pM Fe,Midnight 39.53564285714286 0.0 54.4891 233pM Fe,Midnight 37.9976 36.6989 39.684 1160pM Fe,Midday 22.732485714285716 21.613 24.3256 1160pM Fe,Midnight 28.782158333333335 22.5789 36.5432 High carbon,Dark 33.469226666666664 16.0742 56.0053 High carbon,Light 30.180508461538462 7.18351 55.3948 Low carbon,Dark 34.6988 34.6988 34.6988 Phloroglucinol 11.96328 9.77004 14.5482 Silicon starvation,12h 66.9188 66.9188 66.9188