condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.01905957142857143 0.0 0.133417 233pM Fe,Midnight 0.035598333333333336 0.0 0.106795 1160pM Fe,Midday 0.03989485714285714 0.0 0.142342 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 0.0 0.0 0.0 High carbon,Light 0.053708846153846156 0.0 0.252508 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.0 0.0 0.0 Silicon starvation,12h 0.209724 0.209724 0.209724