condition mean min max 12pM Fe,Midday 46.9558 46.9558 46.9558 12pM Fe,Midnight 29.52965 29.3835 29.6758 58pM Fe,Midday 32.6925 32.6925 32.6925 58pM Fe,Midnight 20.822428571428574 17.7494 37.8507 233pM Fe,Midnight 12.043433333333333 11.0566 12.5989 1160pM Fe,Midday 21.7908 19.8468 23.2772 1160pM Fe,Midnight 15.031294166666667 6.58164 23.753 High carbon,Dark 21.505859333333333 6.85699 43.5544 High carbon,Light 18.598184615384614 2.88345 44.5533 Low carbon,Dark 25.9529 25.9529 25.9529 Phloroglucinol 15.572266666666668 14.0006 17.7041 Silicon starvation,12h 71.7284 71.7284 71.7284