condition mean min max 12pM Fe,Midday 11.0823 11.0823 11.0823 12pM Fe,Midnight 14.520399999999999 13.3995 15.6413 58pM Fe,Midday 3.5022 3.5022 3.5022 58pM Fe,Midnight 4.307888571428571 0.0 6.3271 233pM Fe,Midnight 1.5684433333333334 1.47212 1.75427 1160pM Fe,Midday 1.4299614285714286 0.521519 2.17874 1160pM Fe,Midnight 0.9190706666666667 0.0 2.45266 High carbon,Dark 9.266326133333333 0.0 44.2561 High carbon,Light 3.3221446153846155 0.0 12.1046 Low carbon,Dark 2.57263 2.57263 2.57263 Phloroglucinol 20.179933333333334 15.2641 26.4264 Silicon starvation,12h 2.25196 2.25196 2.25196