condition mean min max 12pM Fe,Midday 74.7751 74.7751 74.7751 12pM Fe,Midnight 68.97905 68.4237 69.5344 58pM Fe,Midday 61.8985 61.8985 61.8985 58pM Fe,Midnight 55.12374285714286 50.1956 67.2099 233pM Fe,Midnight 35.733266666666665 35.0157 36.5666 1160pM Fe,Midday 41.88941428571429 40.5349 44.3433 1160pM Fe,Midnight 25.657508333333332 20.8623 29.488 High carbon,Dark 38.946278 6.89207 63.2979 High carbon,Light 20.006823076923077 7.55872 29.0454 Low carbon,Dark 29.0326 29.0326 29.0326 Phloroglucinol 57.93006666666667 41.347 82.1807 Silicon starvation,12h 39.5327 39.5327 39.5327