condition mean min max 12pM Fe,Midday 0.440088 0.440088 0.440088 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.38941 0.38941 0.38941 58pM Fe,Midnight 0.10279342857142856 0.0 0.371438 233pM Fe,Midnight 0.7357063333333334 0.274073 1.11462 1160pM Fe,Midday 0.08283957142857143 0.0 0.579877 1160pM Fe,Midnight 0.11737558333333334 0.0 0.378349 High carbon,Dark 1.0588718 0.0 3.48755 High carbon,Light 0.9211499230769231 0.0 3.59821 Low carbon,Dark 2.8605 2.8605 2.8605 Phloroglucinol 0.0 0.0 0.0 Silicon starvation,12h 0.751188 0.751188 0.751188