condition mean min max 12pM Fe,Midday 38.661 38.661 38.661 12pM Fe,Midnight 36.94755 26.7061 47.189 58pM Fe,Midday 23.4719 23.4719 23.4719 58pM Fe,Midnight 23.170314285714287 0.0 30.934 233pM Fe,Midnight 22.41143333333333 19.5076 24.1408 1160pM Fe,Midday 25.409342857142857 22.5473 30.1186 1160pM Fe,Midnight 15.14875 12.2755 17.7057 High carbon,Dark 24.175146666666667 13.6008 38.4694 High carbon,Light 20.954283076923076 7.52141 31.823 Low carbon,Dark 29.3479 29.3479 29.3479 Phloroglucinol 56.51083333333334 53.5232 60.8303 Silicon starvation,12h 36.9291 36.9291 36.9291