condition mean min max 12pM Fe,Midday 32.8534 32.8534 32.8534 12pM Fe,Midnight 48.772000000000006 47.6903 49.8537 58pM Fe,Midday 17.5632 17.5632 17.5632 58pM Fe,Midnight 51.720757142857146 0.0 85.0009 233pM Fe,Midnight 67.27373333333333 60.2393 77.6442 1160pM Fe,Midday 116.66684285714285 92.8909 129.027 1160pM Fe,Midnight 68.440225 46.8533 106.754 High carbon,Dark 42.579654 6.71572 133.686 High carbon,Light 149.90683692307692 3.80207 458.935 Low carbon,Dark 24.4684 24.4684 24.4684 Phloroglucinol 25.17346666666667 11.6578 43.7047 Silicon starvation,12h 31.5437 31.5437 31.5437