condition mean min max 12pM Fe,Midday 45.9421 45.9421 45.9421 12pM Fe,Midnight 34.2611 34.1727 34.3495 58pM Fe,Midday 39.4926 39.4926 39.4926 58pM Fe,Midnight 23.35224285714286 0.0 29.0334 233pM Fe,Midnight 18.24576666666667 17.1812 18.8509 1160pM Fe,Midday 25.29022857142857 23.6733 28.11 1160pM Fe,Midnight 8.400706666666666 5.11531 13.0272 High carbon,Dark 19.972213333333332 10.9655 37.5915 High carbon,Light 16.650575384615383 2.97459 34.1185 Low carbon,Dark 16.877 16.877 16.877 Phloroglucinol 25.346733333333333 19.3487 30.6629 Silicon starvation,12h 23.7439 23.7439 23.7439