condition mean min max 12pM Fe,Midday 39.0145 39.0145 39.0145 12pM Fe,Midnight 30.01585 29.6015 30.4302 58pM Fe,Midday 39.796 39.796 39.796 58pM Fe,Midnight 19.97492857142857 0.0 31.6374 233pM Fe,Midnight 45.060266666666664 44.675 45.3882 1160pM Fe,Midday 28.940214285714283 27.2715 29.9107 1160pM Fe,Midnight 24.868641666666665 15.9737 37.8938 High carbon,Dark 48.336999999999996 19.3236 62.1722 High carbon,Light 40.596065384615386 6.23907 74.2167 Low carbon,Dark 36.9817 36.9817 36.9817 Phloroglucinol 30.66786666666667 26.4643 37.1021 Silicon starvation,12h 52.4891 52.4891 52.4891