condition mean min max 12pM Fe,Midday 42.3474 42.3474 42.3474 12pM Fe,Midnight 43.25745 42.8807 43.6342 58pM Fe,Midday 37.7996 37.7996 37.7996 58pM Fe,Midnight 27.02227142857143 0.0 35.9547 233pM Fe,Midnight 17.571633333333335 17.2876 17.9612 1160pM Fe,Midday 23.336057142857143 20.3021 26.5371 1160pM Fe,Midnight 10.4943075 8.31924 12.4535 High carbon,Dark 24.076061333333335 7.45907 40.4204 High carbon,Light 19.55133769230769 2.18688 28.5337 Low carbon,Dark 25.0503 25.0503 25.0503 Phloroglucinol 37.4707 30.413 47.1997 Silicon starvation,12h 33.2882 33.2882 33.2882