condition mean min max 12pM Fe,Midday 130.759 130.759 130.759 12pM Fe,Midnight 119.6515 115.721 123.582 58pM Fe,Midday 115.826 115.826 115.826 58pM Fe,Midnight 111.18247142857143 99.7493 119.109 233pM Fe,Midnight 95.65353333333333 93.4072 96.83 1160pM Fe,Midday 83.41492857142858 78.5331 86.9788 1160pM Fe,Midnight 81.82531666666667 50.5322 133.14 High carbon,Dark 101.27792 44.0285 175.647 High carbon,Light 78.41721538461539 44.942 146.691 Low carbon,Dark 68.6225 68.6225 68.6225 Phloroglucinol 61.59806666666667 56.0021 71.403 Silicon starvation,12h 77.9103 77.9103 77.9103