condition mean min max 12pM Fe,Midday 36.4805 36.4805 36.4805 12pM Fe,Midnight 57.34935 54.9717 59.727 58pM Fe,Midday 41.1071 41.1071 41.1071 58pM Fe,Midnight 40.04421428571428 0.0 49.7041 233pM Fe,Midnight 83.77333333333333 81.6467 85.0106 1160pM Fe,Midday 21.634757142857143 18.7359 24.0341 1160pM Fe,Midnight 76.545675 68.2809 82.9459 High carbon,Dark 69.82554 26.0868 103.58 High carbon,Light 75.43782307692308 35.4144 100.451 Low carbon,Dark 61.6989 61.6989 61.6989 Phloroglucinol 35.190533333333335 30.2308 38.7214 Silicon starvation,12h 65.1492 65.1492 65.1492