condition mean min max 12pM Fe,Midday 41.0086 41.0086 41.0086 12pM Fe,Midnight 33.39585 30.3963 36.3954 58pM Fe,Midday 27.5472 27.5472 27.5472 58pM Fe,Midnight 23.38932857142857 0.0 33.967 233pM Fe,Midnight 25.338033333333332 22.4635 27.5971 1160pM Fe,Midday 26.330785714285714 23.1312 27.9971 1160pM Fe,Midnight 19.04365 17.3314 20.6839 High carbon,Dark 31.547900000000002 19.4876 45.5309 High carbon,Light 34.132784615384615 13.904 57.1964 Low carbon,Dark 33.4932 33.4932 33.4932 Phloroglucinol 44.03836666666667 37.7359 52.8065 Silicon starvation,12h 59.4921 59.4921 59.4921