condition mean min max 12pM Fe,Midday 29.9779 29.9779 29.9779 12pM Fe,Midnight 32.61705 28.9222 36.3119 58pM Fe,Midday 12.464 12.464 12.464 58pM Fe,Midnight 21.812128571428573 0.0 30.1041 233pM Fe,Midnight 29.953166666666668 28.8151 31.4904 1160pM Fe,Midday 15.897828571428573 11.2834 18.1777 1160pM Fe,Midnight 9.818491666666667 4.34716 13.1064 High carbon,Dark 17.701131333333333 2.5226 42.818 High carbon,Light 11.260897153846154 0.0 23.6244 Low carbon,Dark 42.2571 42.2571 42.2571 Phloroglucinol 7.96183 3.16854 11.8115 Silicon starvation,12h 19.9335 19.9335 19.9335