condition mean min max 12pM Fe,Midday 39.4395 39.4395 39.4395 12pM Fe,Midnight 32.8197 28.1155 37.5239 58pM Fe,Midday 38.2751 38.2751 38.2751 58pM Fe,Midnight 24.1975 0.0 35.1126 233pM Fe,Midnight 31.689566666666668 30.7577 32.2223 1160pM Fe,Midday 41.61631428571429 34.994 49.1079 1160pM Fe,Midnight 17.539241666666666 14.1109 22.2466 High carbon,Dark 45.775819999999996 14.9947 100.821 High carbon,Light 48.8609 11.6093 84.8427 Low carbon,Dark 32.0439 32.0439 32.0439 Phloroglucinol 31.212233333333334 30.1626 32.4867 Silicon starvation,12h 144.592 144.592 144.592