condition mean min max 12pM Fe,Midday 51.0911 51.0911 51.0911 12pM Fe,Midnight 52.0934 48.7031 55.4837 58pM Fe,Midday 46.408 46.408 46.408 58pM Fe,Midnight 44.59395714285714 0.0 61.5029 233pM Fe,Midnight 40.4118 38.3617 41.6731 1160pM Fe,Midday 45.72275714285714 37.2553 52.9771 1160pM Fe,Midnight 30.180008333333333 25.4475 36.1496 High carbon,Dark 29.766526666666667 12.6314 47.9331 High carbon,Light 33.927466153846154 7.45296 66.5378 Low carbon,Dark 31.5921 31.5921 31.5921 Phloroglucinol 17.87226666666667 12.5773 27.7235 Silicon starvation,12h 27.783 27.783 27.783