condition mean min max 12pM Fe,Midday 20.4346 20.4346 20.4346 12pM Fe,Midnight 17.777900000000002 13.282 22.2738 58pM Fe,Midday 9.04073 9.04073 9.04073 58pM Fe,Midnight 13.656757142857142 0.0 18.7549 233pM Fe,Midnight 20.2406 16.7029 22.6428 1160pM Fe,Midday 7.3444642857142854 2.94357 12.6717 1160pM Fe,Midnight 23.130283333333335 14.4055 33.2155 High carbon,Dark 14.148312 2.08856 27.9722 High carbon,Light 5.527056923076923 0.0 14.6111 Low carbon,Dark 10.3767 10.3767 10.3767 Phloroglucinol 7.923533333333333 2.40091 16.1489 Silicon starvation,12h 16.7133 16.7133 16.7133