condition mean min max 12pM Fe,Midday 21.1436 21.1436 21.1436 12pM Fe,Midnight 23.592750000000002 23.1259 24.0596 58pM Fe,Midday 16.4509 16.4509 16.4509 58pM Fe,Midnight 16.481571428571428 0.0 23.5259 233pM Fe,Midnight 18.3124 18.0784 18.6966 1160pM Fe,Midday 13.234985714285715 11.755 15.2892 1160pM Fe,Midnight 6.612235 3.35837 13.4319 High carbon,Dark 13.661742533333333 0.962968 23.2091 High carbon,Light 9.040338461538461 2.72736 15.2812 Low carbon,Dark 10.4652 10.4652 10.4652 Phloroglucinol 15.182400000000001 13.2138 18.6274 Silicon starvation,12h 31.3197 31.3197 31.3197