condition mean min max 12pM Fe,Midday 33.5398 33.5398 33.5398 12pM Fe,Midnight 33.46235 32.1061 34.8186 58pM Fe,Midday 34.0143 34.0143 34.0143 58pM Fe,Midnight 32.761785714285715 20.9911 39.2259 233pM Fe,Midnight 31.11286666666667 30.2649 31.6307 1160pM Fe,Midday 28.887014285714287 27.1646 29.902 1160pM Fe,Midnight 39.632441666666665 27.2147 54.9683 High carbon,Dark 42.27842666666667 13.7575 58.7108 High carbon,Light 43.33810384615384 5.46699 63.0599 Low carbon,Dark 26.9626 26.9626 26.9626 Phloroglucinol 28.0805 15.7914 36.8507 Silicon starvation,12h 32.8915 32.8915 32.8915