condition mean min max 12pM Fe,Midday 0.228992 0.228992 0.228992 12pM Fe,Midnight 0.35238 0.0 0.70476 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.63516 0.0 1.3529 233pM Fe,Midnight 0.142609 0.0 0.427827 1160pM Fe,Midday 0.4640317142857143 0.0 1.23147 1160pM Fe,Midnight 0.9857860833333333 0.0 2.3933 High carbon,Dark 1.1060209333333333 0.0 2.79888 High carbon,Light 0.5012526923076923 0.0 1.94534 Low carbon,Dark 1.48841 1.48841 1.48841 Phloroglucinol 3.789548 0.860954 9.20473 Silicon starvation,12h 0.260579 0.260579 0.260579