condition mean min max 12pM Fe,Midday 66.5672 66.5672 66.5672 12pM Fe,Midnight 50.362849999999995 47.4396 53.2861 58pM Fe,Midday 50.3673 50.3673 50.3673 58pM Fe,Midnight 44.82038571428571 41.4369 56.2084 233pM Fe,Midnight 23.119666666666667 21.8604 23.8277 1160pM Fe,Midday 24.9563 20.8936 27.7256 1160pM Fe,Midnight 31.669441666666668 20.8061 41.8223 High carbon,Dark 34.98702 5.1374 64.8378 High carbon,Light 29.783315384615385 14.9881 48.6762 Low carbon,Dark 30.1898 30.1898 30.1898 Phloroglucinol 8.231966666666667 3.29883 15.9972 Silicon starvation,12h 49.9298 49.9298 49.9298