condition mean min max 12pM Fe,Midday 13.3512 13.3512 13.3512 12pM Fe,Midnight 34.60965 33.0309 36.1884 58pM Fe,Midday 12.3111 12.3111 12.3111 58pM Fe,Midnight 28.004157142857142 0.0 37.3668 233pM Fe,Midnight 35.391466666666666 33.7839 37.1072 1160pM Fe,Midday 36.31272857142857 27.1873 44.837 1160pM Fe,Midnight 26.92055 23.7299 29.6026 High carbon,Dark 23.031854 5.88941 42.4418 High carbon,Light 15.044977692307693 0.661895 34.4437 Low carbon,Dark 21.9235 21.9235 21.9235 Phloroglucinol 10.869586666666667 4.02146 16.0821 Silicon starvation,12h 25.1081 25.1081 25.1081