condition mean min max 12pM Fe,Midday 27.396 27.396 27.396 12pM Fe,Midnight 29.2043 28.8922 29.5164 58pM Fe,Midday 15.0296 15.0296 15.0296 58pM Fe,Midnight 19.083142857142857 0.0 26.3405 233pM Fe,Midnight 20.685299999999998 19.1087 23.3832 1160pM Fe,Midday 15.140328571428572 13.0771 17.2097 1160pM Fe,Midnight 13.188716666666666 9.5037 18.6672 High carbon,Dark 15.073034 4.78357 29.3686 High carbon,Light 11.725855384615384 1.03222 22.2079 Low carbon,Dark 19.2315 19.2315 19.2315 Phloroglucinol 18.892699999999998 14.077 22.0246 Silicon starvation,12h 24.1294 24.1294 24.1294