condition mean min max 12pM Fe,Midday 4.37497 4.37497 4.37497 12pM Fe,Midnight 41.86695 40.7965 42.9374 58pM Fe,Midday 1.54847 1.54847 1.54847 58pM Fe,Midnight 35.3643 0.0 47.6772 233pM Fe,Midnight 41.606766666666665 41.3674 41.9588 1160pM Fe,Midday 10.716094285714286 8.1665 12.2988 1160pM Fe,Midnight 43.56805 36.7914 51.925 High carbon,Dark 26.183616666666666 1.61794 56.3106 High carbon,Light 21.95441476923077 0.171707 70.4546 Low carbon,Dark 19.6687 19.6687 19.6687 Phloroglucinol 19.654533333333333 14.1063 30.6016 Silicon starvation,12h 20.7435 20.7435 20.7435