condition mean min max 12pM Fe,Midday 30.4426 30.4426 30.4426 12pM Fe,Midnight 18.9082 18.2179 19.5985 58pM Fe,Midday 26.6164 26.6164 26.6164 58pM Fe,Midnight 12.750385714285715 0.0 15.8038 233pM Fe,Midnight 12.615733333333333 11.2097 13.4046 1160pM Fe,Midday 18.766714285714286 16.8912 20.006 1160pM Fe,Midnight 7.20807 3.87955 12.1561 High carbon,Dark 15.744922 7.50702 29.5772 High carbon,Light 11.618916923076924 1.80004 18.2938 Low carbon,Dark 11.5818 11.5818 11.5818 Phloroglucinol 9.03383 6.81291 12.3456 Silicon starvation,12h 15.8775 15.8775 15.8775