condition mean min max 12pM Fe,Midday 1.20276 1.20276 1.20276 12pM Fe,Midnight 12.5567 9.3812 15.7322 58pM Fe,Midday 1.06426 1.06426 1.06426 58pM Fe,Midnight 1.4340641428571428 0.0 2.85422 233pM Fe,Midnight 16.044066666666666 13.6701 17.7077 1160pM Fe,Midday 2.0862814285714286 1.4433 3.30048 1160pM Fe,Midnight 2.4348507500000003 0.0 8.284 High carbon,Dark 15.092906333333334 0.0 76.2521 High carbon,Light 79.62552715384615 0.708083 263.531 Low carbon,Dark 7.32917 7.32917 7.32917 Phloroglucinol 2.2209773333333334 0.409722 3.99216 Silicon starvation,12h 11.1204 11.1204 11.1204