condition mean min max 12pM Fe,Midday 21.8009 21.8009 21.8009 12pM Fe,Midnight 25.02805 23.7853 26.2708 58pM Fe,Midday 30.3136 30.3136 30.3136 58pM Fe,Midnight 20.5113 0.0 27.4542 233pM Fe,Midnight 7.64054 6.79239 8.83579 1160pM Fe,Midday 12.9211 10.885 18.5478 1160pM Fe,Midnight 4.4591975 2.90314 6.91932 High carbon,Dark 16.9902536 0.0 89.9517 High carbon,Light 12.349514538461538 0.0 56.7954 Low carbon,Dark 42.1734 42.1734 42.1734 Phloroglucinol 2.0380766666666665 1.51789 3.0649 Silicon starvation,12h 6.10358 6.10358 6.10358