condition mean min max 12pM Fe,Midday 20.3256 20.3256 20.3256 12pM Fe,Midnight 16.221 15.7431 16.6989 58pM Fe,Midday 21.0425 21.0425 21.0425 58pM Fe,Midnight 13.99307142857143 0.0 19.1278 233pM Fe,Midnight 16.561066666666665 16.0126 17.2617 1160pM Fe,Midday 10.023865714285714 8.5702 11.7887 1160pM Fe,Midnight 31.82999166666667 21.6174 40.8676 High carbon,Dark 24.393793333333335 11.4519 43.3767 High carbon,Light 21.109671846153844 0.275328 49.2998 Low carbon,Dark 12.0554 12.0554 12.0554 Phloroglucinol 15.23464 8.41692 19.4233 Silicon starvation,12h 29.3164 29.3164 29.3164