condition mean min max 12pM Fe,Midday 0.170497 0.170497 0.170497 12pM Fe,Midnight 0.08820385 0.0877117 0.088696 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.050460142857142856 0.0 0.0762483 233pM Fe,Midnight 0.035355000000000004 0.0 0.106065 1160pM Fe,Midday 0.09658601428571428 0.0561314 0.2744 1160pM Fe,Midnight 0.023548016666666668 0.0 0.144936 High carbon,Dark 0.091423 0.0 0.492095 High carbon,Light 0.15629753846153846 0.0 0.744557 Low carbon,Dark 0.280476 0.280476 0.280476 Phloroglucinol 0.6763376666666667 0.352113 1.03017 Silicon starvation,12h 0.397644 0.397644 0.397644