condition mean min max 12pM Fe,Midday 46.9602 46.9602 46.9602 12pM Fe,Midnight 31.86385 31.8449 31.8828 58pM Fe,Midday 48.6802 48.6802 48.6802 58pM Fe,Midnight 28.612414285714284 20.3087 32.9785 233pM Fe,Midnight 26.91176666666667 26.0789 27.6 1160pM Fe,Midday 28.334014285714286 25.3221 32.6317 1160pM Fe,Midnight 55.93835 48.9913 65.1308 High carbon,Dark 39.7321 20.1918 60.4739 High carbon,Light 44.03358 1.68295 92.0177 Low carbon,Dark 25.1577 25.1577 25.1577 Phloroglucinol 23.556133333333335 17.12 33.8234 Silicon starvation,12h 20.1854 20.1854 20.1854