condition mean min max 12pM Fe,Midday 35.4845 35.4845 35.4845 12pM Fe,Midnight 18.32535 18.2894 18.3613 58pM Fe,Midday 20.7945 20.7945 20.7945 58pM Fe,Midnight 19.2057 11.5592 55.3258 233pM Fe,Midnight 16.5471 16.0894 17.3438 1160pM Fe,Midday 12.965514285714287 11.8763 13.8201 1160pM Fe,Midnight 14.971933333333334 12.7142 17.5192 High carbon,Dark 23.346508 9.62012 31.7758 High carbon,Light 14.153755384615385 8.51455 22.6379 Low carbon,Dark 18.4617 18.4617 18.4617 Phloroglucinol 9.197193333333333 8.09452 11.1335 Silicon starvation,12h 17.6216 17.6216 17.6216