condition mean min max 12pM Fe,Midday 59.4933 59.4933 59.4933 12pM Fe,Midnight 48.467600000000004 44.7258 52.2094 58pM Fe,Midday 46.3 46.3 46.3 58pM Fe,Midnight 41.86867142857143 33.0719 84.936 233pM Fe,Midnight 32.78406666666667 29.9185 35.4006 1160pM Fe,Midday 38.701214285714286 34.6985 42.2186 1160pM Fe,Midnight 23.634916666666665 18.5769 29.5817 High carbon,Dark 36.41925333333333 13.7673 53.4316 High carbon,Light 36.47519384615384 8.15832 81.2216 Low carbon,Dark 26.7893 26.7893 26.7893 Phloroglucinol 32.0012 24.8534 39.8817 Silicon starvation,12h 56.5523 56.5523 56.5523