condition mean min max 12pM Fe,Midday 5.96612 5.96612 5.96612 12pM Fe,Midnight 15.58145 14.7814 16.3815 58pM Fe,Midday 10.5582 10.5582 10.5582 58pM Fe,Midnight 13.855185714285714 0.0 17.7722 233pM Fe,Midnight 26.5011 24.6656 28.0641 1160pM Fe,Midday 2.56801 1.88609 3.69939 1160pM Fe,Midnight 11.312569166666666 2.44658 28.504 High carbon,Dark 26.773274 3.89361 42.7865 High carbon,Light 14.192266923076923 1.42617 41.1149 Low carbon,Dark 11.4055 11.4055 11.4055 Phloroglucinol 9.26715 7.43285 10.4459 Silicon starvation,12h 25.8584 25.8584 25.8584