condition mean min max 12pM Fe,Midday 41.8618 41.8618 41.8618 12pM Fe,Midnight 33.09185 31.2905 34.8932 58pM Fe,Midday 43.5234 43.5234 43.5234 58pM Fe,Midnight 35.46245714285714 24.953 93.0081 233pM Fe,Midnight 32.99283333333334 30.9584 34.0593 1160pM Fe,Midday 26.673771428571428 23.363 28.8842 1160pM Fe,Midnight 19.072575 13.5784 27.6439 High carbon,Dark 38.882353333333334 23.7473 75.471 High carbon,Light 35.58053846153846 11.3776 67.9882 Low carbon,Dark 27.2095 27.2095 27.2095 Phloroglucinol 52.60926666666666 47.9693 60.6607 Silicon starvation,12h 54.0372 54.0372 54.0372