condition mean min max 12pM Fe,Midday 99.8382 99.8382 99.8382 12pM Fe,Midnight 29.896449999999998 25.6057 34.1872 58pM Fe,Midday 71.1042 71.1042 71.1042 58pM Fe,Midnight 10.940871428571429 0.0 14.5974 233pM Fe,Midnight 10.27261 8.71983 12.076 1160pM Fe,Midday 47.8376 40.107 52.8793 1160pM Fe,Midnight 4.084105833333333 0.87512 8.80966 High carbon,Dark 18.721652666666667 5.08132 41.1199 High carbon,Light 18.25917769230769 3.58391 49.6731 Low carbon,Dark 15.8277 15.8277 15.8277 Phloroglucinol 28.8783 14.4959 43.1061 Silicon starvation,12h 21.1286 21.1286 21.1286