condition mean min max 12pM Fe,Midday 46.5977 46.5977 46.5977 12pM Fe,Midnight 33.74085 29.7011 37.7806 58pM Fe,Midday 54.089 54.089 54.089 58pM Fe,Midnight 26.874971428571428 0.0 37.2138 233pM Fe,Midnight 49.8206 48.678 51.5538 1160pM Fe,Midday 27.80744285714286 24.3256 31.1947 1160pM Fe,Midnight 80.09024166666667 59.7432 95.4201 High carbon,Dark 67.65564 34.1477 115.532 High carbon,Light 56.13079846153846 2.71486 111.501 Low carbon,Dark 44.7803 44.7803 44.7803 Phloroglucinol 35.08493333333333 20.9071 45.5723 Silicon starvation,12h 45.1855 45.1855 45.1855