condition mean min max 12pM Fe,Midday 26.4101 26.4101 26.4101 12pM Fe,Midnight 21.23265 20.5035 21.9618 58pM Fe,Midday 18.2915 18.2915 18.2915 58pM Fe,Midnight 19.282957142857143 16.5293 26.1516 233pM Fe,Midnight 12.7975 11.9711 13.6069 1160pM Fe,Midday 15.144371428571429 13.7107 16.7218 1160pM Fe,Midnight 8.419605833333334 5.75307 10.8839 High carbon,Dark 16.89975 7.19331 30.9818 High carbon,Light 13.88565923076923 1.21266 24.527 Low carbon,Dark 20.6807 20.6807 20.6807 Phloroglucinol 15.870433333333333 12.9997 18.1937 Silicon starvation,12h 19.6726 19.6726 19.6726