condition mean min max 12pM Fe,Midday 31.9838 31.9838 31.9838 12pM Fe,Midnight 23.1916 22.3363 24.0469 58pM Fe,Midday 25.3886 25.3886 25.3886 58pM Fe,Midnight 20.978714285714286 18.2238 29.9995 233pM Fe,Midnight 21.586166666666667 20.6018 22.656 1160pM Fe,Midday 19.505300000000002 17.0553 21.3302 1160pM Fe,Midnight 15.291691666666667 11.8984 19.1502 High carbon,Dark 19.656693333333333 14.044 29.719 High carbon,Light 16.080188461538462 2.72278 21.6536 Low carbon,Dark 14.673 14.673 14.673 Phloroglucinol 32.14683333333333 28.0637 39.5566 Silicon starvation,12h 26.1684 26.1684 26.1684