condition mean min max 12pM Fe,Midday 14.5027 14.5027 14.5027 12pM Fe,Midnight 10.096074999999999 8.54055 11.6516 58pM Fe,Midday 9.27663 9.27663 9.27663 58pM Fe,Midnight 6.616131428571428 0.0 9.3183 233pM Fe,Midnight 6.305283333333333 5.22324 7.302 1160pM Fe,Midday 6.131082857142857 4.47306 7.5977 1160pM Fe,Midnight 3.4900708333333332 2.43623 5.04663 High carbon,Dark 6.753737733333334 0.553876 14.5174 High carbon,Light 4.779049 0.0 9.41722 Low carbon,Dark 7.66617 7.66617 7.66617 Phloroglucinol 9.390096666666667 6.40719 11.1681 Silicon starvation,12h 14.7137 14.7137 14.7137