condition mean min max 12pM Fe,Midday 124.889 124.889 124.889 12pM Fe,Midnight 307.6115 278.57 336.653 58pM Fe,Midday 176.813 176.813 176.813 58pM Fe,Midnight 252.19342857142857 176.187 510.305 233pM Fe,Midnight 67.15656666666666 63.1807 69.988 1160pM Fe,Midday 201.67342857142856 176.9 223.741 1160pM Fe,Midnight 28.25445 22.6994 37.6084 High carbon,Dark 119.86482 31.0809 217.868 High carbon,Light 109.34518461538461 19.1381 248.899 Low carbon,Dark 215.071 215.071 215.071 Phloroglucinol 29.3601 23.8636 39.5696 Silicon starvation,12h 152.408 152.408 152.408