condition mean min max 12pM Fe,Midday 10.9651 10.9651 10.9651 12pM Fe,Midnight 10.33782 9.21034 11.4653 58pM Fe,Midday 10.4488 10.4488 10.4488 58pM Fe,Midnight 17.658501428571427 6.96066 74.9605 233pM Fe,Midnight 6.147696666666667 4.85891 7.84296 1160pM Fe,Midday 11.860414285714285 10.3265 15.0136 1160pM Fe,Midnight 4.074536666666667 1.79671 6.51723 High carbon,Dark 11.223203333333334 2.2255 27.1053 High carbon,Light 10.333014153846154 0.993124 19.7727 Low carbon,Dark 6.85304 6.85304 6.85304 Phloroglucinol 4.28121 3.30338 4.79933 Silicon starvation,12h 5.03904 5.03904 5.03904