condition mean min max 12pM Fe,Midday 47.3299 47.3299 47.3299 12pM Fe,Midnight 26.6178 21.6455 31.5901 58pM Fe,Midday 32.0405 32.0405 32.0405 58pM Fe,Midnight 14.811057142857143 0.0 20.6146 233pM Fe,Midnight 20.858966666666667 20.0647 21.3028 1160pM Fe,Midday 22.82387142857143 19.8441 29.6105 1160pM Fe,Midnight 19.96905 10.1289 27.1649 High carbon,Dark 31.901393333333335 11.4504 69.5921 High carbon,Light 30.418216153846153 8.72841 54.4226 Low carbon,Dark 28.7252 28.7252 28.7252 Phloroglucinol 10.491266666666666 8.93318 12.6264 Silicon starvation,12h 85.8167 85.8167 85.8167