condition mean min max 12pM Fe,Midday 27.373 27.373 27.373 12pM Fe,Midnight 19.82315 19.5372 20.1091 58pM Fe,Midday 27.2808 27.2808 27.2808 58pM Fe,Midnight 15.006285714285715 0.0 19.8143 233pM Fe,Midnight 11.585433333333334 11.1714 12.0584 1160pM Fe,Midday 15.887371428571429 14.1441 17.7657 1160pM Fe,Midnight 10.342234166666668 8.63965 12.0836 High carbon,Dark 14.95568 4.55459 22.9309 High carbon,Light 12.046113076923078 2.83701 19.7011 Low carbon,Dark 8.23119 8.23119 8.23119 Phloroglucinol 22.729033333333334 17.4289 28.1729 Silicon starvation,12h 22.5302 22.5302 22.5302