condition mean min max 12pM Fe,Midday 25.6313 25.6313 25.6313 12pM Fe,Midnight 41.8439 31.0981 52.5897 58pM Fe,Midday 30.2397 30.2397 30.2397 58pM Fe,Midnight 44.48907142857143 0.0 68.744 233pM Fe,Midnight 77.9182 67.8401 83.416 1160pM Fe,Midday 7.481917142857143 1.73396 13.4374 1160pM Fe,Midnight 78.33963333333334 48.9123 113.722 High carbon,Dark 83.928524 6.77066 243.462 High carbon,Light 42.48567461538462 0.0 158.44 Low carbon,Dark 31.2374 31.2374 31.2374 Phloroglucinol 37.10498333333334 4.05115 54.8759 Silicon starvation,12h 26.7363 26.7363 26.7363