condition mean min max 12pM Fe,Midday 19.1126 19.1126 19.1126 12pM Fe,Midnight 24.38615 21.3219 27.4504 58pM Fe,Midday 8.91711 8.91711 8.91711 58pM Fe,Midnight 17.86207142857143 0.0 23.2286 233pM Fe,Midnight 16.945966666666667 16.7224 17.3131 1160pM Fe,Midday 11.040615714285714 9.09564 13.3439 1160pM Fe,Midnight 14.70814 7.72048 21.7915 High carbon,Dark 20.895506666666666 6.67446 30.2923 High carbon,Light 15.753354615384616 3.27327 37.4688 Low carbon,Dark 15.2463 15.2463 15.2463 Phloroglucinol 4.052386666666667 1.74203 7.33936 Silicon starvation,12h 30.0532 30.0532 30.0532