condition mean min max 12pM Fe,Midday 82.8165 82.8165 82.8165 12pM Fe,Midnight 41.7111 41.0292 42.393 58pM Fe,Midday 71.1733 71.1733 71.1733 58pM Fe,Midnight 36.544314285714286 30.5397 60.452 233pM Fe,Midnight 20.051666666666666 18.6278 21.3927 1160pM Fe,Midday 50.1882 46.8308 53.826 1160pM Fe,Midnight 18.354058333333334 11.5862 26.1129 High carbon,Dark 34.3807 14.6019 54.0874 High carbon,Light 38.70329538461538 8.60974 65.1664 Low carbon,Dark 27.9095 27.9095 27.9095 Phloroglucinol 235.80033333333333 224.485 246.778 Silicon starvation,12h 63.8587 63.8587 63.8587