condition mean min max 12pM Fe,Midday 23.237 23.237 23.237 12pM Fe,Midnight 19.17905 18.1963 20.1618 58pM Fe,Midday 16.7896 16.7896 16.7896 58pM Fe,Midnight 13.154985714285715 0.0 19.7756 233pM Fe,Midnight 10.929116666666667 9.97235 12.7108 1160pM Fe,Midday 14.805042857142857 12.613 16.0026 1160pM Fe,Midnight 7.2206725 5.67398 9.88018 High carbon,Dark 8.796225333333334 2.95157 14.8801 High carbon,Light 10.015152307692308 1.94271 18.0308 Low carbon,Dark 8.71366 8.71366 8.71366 Phloroglucinol 7.861056666666667 7.49584 8.52458 Silicon starvation,12h 22.296 22.296 22.296