condition mean min max 12pM Fe,Midday 20.8435 20.8435 20.8435 12pM Fe,Midnight 26.535449999999997 22.3757 30.6952 58pM Fe,Midday 19.6332 19.6332 19.6332 58pM Fe,Midnight 18.334485714285716 0.0 26.1045 233pM Fe,Midnight 20.2548 17.5868 21.7123 1160pM Fe,Midday 18.113542857142857 11.8336 22.1405 1160pM Fe,Midnight 9.981769166666666 7.16761 14.1912 High carbon,Dark 15.106718 6.92683 26.2561 High carbon,Light 12.404780769230769 2.73236 21.1269 Low carbon,Dark 12.0184 12.0184 12.0184 Phloroglucinol 20.642866666666666 13.8153 32.5242 Silicon starvation,12h 28.3094 28.3094 28.3094