condition mean min max 12pM Fe,Midday 39.0074 39.0074 39.0074 12pM Fe,Midnight 45.27105 42.6696 47.8725 58pM Fe,Midday 56.8868 56.8868 56.8868 58pM Fe,Midnight 47.31347142857143 27.66 154.073 233pM Fe,Midnight 25.650366666666667 24.8324 26.6882 1160pM Fe,Midday 39.44885714285714 35.4465 41.8698 1160pM Fe,Midnight 21.556558333333335 18.6854 24.0463 High carbon,Dark 21.928682 7.49482 47.4522 High carbon,Light 24.734201538461537 4.93305 46.3467 Low carbon,Dark 30.0495 30.0495 30.0495 Phloroglucinol 19.32153333333333 13.9416 29.1349 Silicon starvation,12h 28.6878 28.6878 28.6878