condition mean min max 12pM Fe,Midday 4.43987 4.43987 4.43987 12pM Fe,Midnight 1.91259 1.64479 2.18039 58pM Fe,Midday 5.01988 5.01988 5.01988 58pM Fe,Midnight 1.0194315714285715 0.0 1.34233 233pM Fe,Midnight 3.470963333333333 2.67581 4.30113 1160pM Fe,Midday 3.37599 1.54379 5.2112 1160pM Fe,Midnight 10.673529083333333 0.365336 19.2825 High carbon,Dark 12.337067333333334 2.20621 34.8662 High carbon,Light 20.214966153846156 2.03296 46.9376 Low carbon,Dark 14.6296 14.6296 14.6296 Phloroglucinol 21.575599999999998 12.5969 38.5179 Silicon starvation,12h 32.6294 32.6294 32.6294