condition mean min max 12pM Fe,Midday 45.1835 45.1835 45.1835 12pM Fe,Midnight 26.6348 25.3366 27.933 58pM Fe,Midday 38.5705 38.5705 38.5705 58pM Fe,Midnight 22.749200000000002 0.0 31.94 233pM Fe,Midnight 21.850366666666666 21.3772 22.5559 1160pM Fe,Midday 12.986185714285714 10.7276 15.036 1160pM Fe,Midnight 55.077641666666665 34.2055 73.1601 High carbon,Dark 45.52574 20.6748 72.9587 High carbon,Light 48.52238792307692 0.770843 109.483 Low carbon,Dark 13.8706 13.8706 13.8706 Phloroglucinol 21.858633333333334 14.6201 35.1258 Silicon starvation,12h 23.7006 23.7006 23.7006