condition mean min max 12pM Fe,Midday 80.1747 80.1747 80.1747 12pM Fe,Midnight 48.661649999999995 46.1996 51.1237 58pM Fe,Midday 54.7332 54.7332 54.7332 58pM Fe,Midnight 27.577242857142856 0.0 33.7693 233pM Fe,Midnight 27.917033333333332 26.4704 30.0205 1160pM Fe,Midday 40.007485714285714 35.3466 43.6397 1160pM Fe,Midnight 21.380675 14.798 27.3957 High carbon,Dark 35.0423 24.7032 49.6837 High carbon,Light 36.34625384615384 13.5038 62.5791 Low carbon,Dark 26.9534 26.9534 26.9534 Phloroglucinol 108.833 102.212 115.837 Silicon starvation,12h 51.9688 51.9688 51.9688