condition mean min max 12pM Fe,Midday 27.6375 27.6375 27.6375 12pM Fe,Midnight 24.09185 22.8505 25.3332 58pM Fe,Midday 27.7508 27.7508 27.7508 58pM Fe,Midnight 30.283871428571427 20.4715 79.4455 233pM Fe,Midnight 11.537733333333334 11.0415 11.9808 1160pM Fe,Midday 16.879042857142856 15.4069 18.6011 1160pM Fe,Midnight 7.700433333333334 4.59299 11.6957 High carbon,Dark 12.069288666666667 6.26781 18.4486 High carbon,Light 10.014273076923077 1.21091 16.9231 Low carbon,Dark 7.02096 7.02096 7.02096 Phloroglucinol 23.963833333333334 19.4982 28.7264 Silicon starvation,12h 13.648 13.648 13.648