condition mean min max 12pM Fe,Midday 43.4445 43.4445 43.4445 12pM Fe,Midnight 31.03035 30.2931 31.7676 58pM Fe,Midday 38.742 38.742 38.742 58pM Fe,Midnight 39.15461428571429 22.6864 120.656 233pM Fe,Midnight 18.278933333333335 17.3 18.9359 1160pM Fe,Midday 24.516785714285714 20.4901 28.7339 1160pM Fe,Midnight 12.3771275 9.15531 17.7171 High carbon,Dark 17.847325333333334 4.30354 32.9347 High carbon,Light 12.32705 2.2988 20.1836 Low carbon,Dark 9.10022 9.10022 9.10022 Phloroglucinol 19.8861 16.5228 26.0145 Silicon starvation,12h 21.7253 21.7253 21.7253