condition mean min max 12pM Fe,Midday 37.0678 37.0678 37.0678 12pM Fe,Midnight 27.684600000000003 24.3468 31.0224 58pM Fe,Midday 33.6625 33.6625 33.6625 58pM Fe,Midnight 21.0919 0.0 32.1999 233pM Fe,Midnight 37.4235 35.8421 40.147 1160pM Fe,Midday 24.52977142857143 19.3567 33.5557 1160pM Fe,Midnight 42.9105 30.0714 64.5741 High carbon,Dark 57.24202666666667 28.8117 81.941 High carbon,Light 50.29153461538461 7.92815 86.1361 Low carbon,Dark 28.5318 28.5318 28.5318 Phloroglucinol 41.0657 17.8846 63.1359 Silicon starvation,12h 76.5916 76.5916 76.5916