condition mean min max 12pM Fe,Midday 14.719 14.719 14.719 12pM Fe,Midnight 12.166350000000001 11.5767 12.756 58pM Fe,Midday 13.4582 13.4582 13.4582 58pM Fe,Midnight 22.564877142857142 9.36814 87.2066 233pM Fe,Midnight 13.445466666666666 13.0781 14.0553 1160pM Fe,Midday 11.16556857142857 7.91558 12.9812 1160pM Fe,Midnight 5.398178333333333 1.57779 9.42624 High carbon,Dark 8.933820666666668 4.74078 15.0488 High carbon,Light 7.373554769230769 0.332302 11.8608 Low carbon,Dark 13.1548 13.1548 13.1548 Phloroglucinol 9.251933333333334 4.8079 12.0337 Silicon starvation,12h 23.5886 23.5886 23.5886