condition mean min max 12pM Fe,Midday 39.8552 39.8552 39.8552 12pM Fe,Midnight 30.14645 27.828 32.4649 58pM Fe,Midday 30.1703 30.1703 30.1703 58pM Fe,Midnight 24.982285714285712 0.0 32.2454 233pM Fe,Midnight 12.594233333333333 11.7062 14.0909 1160pM Fe,Midday 20.121542857142856 18.1706 22.5533 1160pM Fe,Midnight 12.336318333333333 6.6092 17.6657 High carbon,Dark 24.5193528 0.240182 58.8758 High carbon,Light 17.624206153846153 2.67642 40.3649 Low carbon,Dark 22.6548 22.6548 22.6548 Phloroglucinol 9.113216666666666 6.17236 13.2153 Silicon starvation,12h 26.7288 26.7288 26.7288