condition mean min max 12pM Fe,Midday 61.4155 61.4155 61.4155 12pM Fe,Midnight 60.91695 56.5121 65.3218 58pM Fe,Midday 37.1612 37.1612 37.1612 58pM Fe,Midnight 40.25084285714286 27.8061 53.5107 233pM Fe,Midnight 39.04383333333333 37.6047 41.8416 1160pM Fe,Midday 28.778757142857145 23.7071 32.1103 1160pM Fe,Midnight 28.809458333333332 17.311 40.2947 High carbon,Dark 34.981613333333335 19.3819 47.5871 High carbon,Light 22.312737692307692 5.31707 47.1559 Low carbon,Dark 36.6904 36.6904 36.6904 Phloroglucinol 32.222633333333334 26.6939 39.9964 Silicon starvation,12h 32.1172 32.1172 32.1172