condition mean min max 12pM Fe,Midday 30.3391 30.3391 30.3391 12pM Fe,Midnight 30.0335 29.6424 30.4246 58pM Fe,Midday 17.5774 17.5774 17.5774 58pM Fe,Midnight 18.523071428571427 0.0 24.6919 233pM Fe,Midnight 21.847633333333334 20.1505 24.6987 1160pM Fe,Midday 16.910028571428573 13.3492 20.6053 1160pM Fe,Midnight 11.3890075 8.27089 17.3818 High carbon,Dark 28.00666 10.8765 44.4038 High carbon,Light 23.216184615384616 6.8042 34.3963 Low carbon,Dark 24.65 24.65 24.65 Phloroglucinol 52.69 41.3304 60.8813 Silicon starvation,12h 39.456 39.456 39.456