condition mean min max 12pM Fe,Midday 13.23 13.23 13.23 12pM Fe,Midnight 29.79325 29.1991 30.3874 58pM Fe,Midday 12.2268 12.2268 12.2268 58pM Fe,Midnight 23.252971428571428 0.0 30.349 233pM Fe,Midnight 34.954100000000004 32.1118 36.7105 1160pM Fe,Midday 7.012 5.70318 7.64392 1160pM Fe,Midnight 22.223775 15.6001 32.4414 High carbon,Dark 25.688473333333334 12.4693 36.5716 High carbon,Light 15.823312307692307 1.03105 28.5583 Low carbon,Dark 21.3789 21.3789 21.3789 Phloroglucinol 21.415233333333333 19.5167 24.5485 Silicon starvation,12h 30.1936 30.1936 30.1936