condition mean min max 12pM Fe,Midday 14.9891 14.9891 14.9891 12pM Fe,Midnight 137.80599999999998 126.703 148.909 58pM Fe,Midday 4.30767 4.30767 4.30767 58pM Fe,Midnight 95.82461428571429 50.6416 133.118 233pM Fe,Midnight 192.87066666666666 191.439 193.935 1160pM Fe,Midday 45.09262857142857 34.5386 55.9236 1160pM Fe,Midnight 215.0495 175.943 267.405 High carbon,Dark 116.27812666666667 22.7037 445.478 High carbon,Light 368.2536 26.4679 921.015 Low carbon,Dark 39.762 39.762 39.762 Phloroglucinol 76.75786666666667 39.0155 112.826 Silicon starvation,12h 75.1516 75.1516 75.1516