condition mean min max 12pM Fe,Midday 450.935 450.935 450.935 12pM Fe,Midnight 116.1535 108.347 123.96 58pM Fe,Midday 563.265 563.265 563.265 58pM Fe,Midnight 91.02461428571428 83.0522 98.6838 233pM Fe,Midnight 289.1376666666667 287.045 292.546 1160pM Fe,Midday 359.3917142857143 296.979 470.512 1160pM Fe,Midnight 421.931 316.378 495.028 High carbon,Dark 901.892 204.232 4407.46 High carbon,Light 746.6640846153846 40.6043 1577.99 Low carbon,Dark 211.782 211.782 211.782 Phloroglucinol 620.1866666666666 556.08 725.079 Silicon starvation,12h 570.567 570.567 570.567