condition mean min max 12pM Fe,Midday 14.0141 14.0141 14.0141 12pM Fe,Midnight 26.930349999999997 25.8784 27.9823 58pM Fe,Midday 12.8963 12.8963 12.8963 58pM Fe,Midnight 48.49041428571429 19.8711 199.273 233pM Fe,Midnight 19.151633333333333 17.3919 21.9934 1160pM Fe,Midday 4.787777142857143 3.31312 6.48874 1160pM Fe,Midnight 12.296020833333333 6.58394 19.8114 High carbon,Dark 17.434502666666667 9.46594 25.9363 High carbon,Light 10.790961538461538 2.35906 18.333 Low carbon,Dark 3.64358 3.64358 3.64358 Phloroglucinol 20.328733333333332 15.2392 22.9148 Silicon starvation,12h 26.4723 26.4723 26.4723