condition mean min max 12pM Fe,Midday 46.3987 46.3987 46.3987 12pM Fe,Midnight 16.75795 14.4759 19.04 58pM Fe,Midday 53.3725 53.3725 53.3725 58pM Fe,Midnight 12.058214285714286 0.0 17.3067 233pM Fe,Midnight 25.348833333333335 18.4079 31.7853 1160pM Fe,Midday 35.05072857142857 24.8599 44.5422 1160pM Fe,Midnight 15.988379166666666 4.29109 32.0985 High carbon,Dark 44.754789333333335 9.72194 117.662 High carbon,Light 65.23738461538461 20.1124 150.145 Low carbon,Dark 46.7457 46.7457 46.7457 Phloroglucinol 14.465616666666666 9.48345 21.1206 Silicon starvation,12h 108.766 108.766 108.766