condition mean min max 12pM Fe,Midday 83.5177 83.5177 83.5177 12pM Fe,Midnight 123.963 117.978 129.948 58pM Fe,Midday 80.6746 80.6746 80.6746 58pM Fe,Midnight 117.75715714285714 67.3725 247.412 233pM Fe,Midnight 24.627766666666666 20.2713 28.9062 1160pM Fe,Midday 2.879797142857143 1.15089 6.12455 1160pM Fe,Midnight 7.33561 1.16778 10.0917 High carbon,Dark 33.340284 2.09137 80.206 High carbon,Light 6.423599384615384 0.0 18.2537 Low carbon,Dark 28.2736 28.2736 28.2736 Phloroglucinol 8.907386666666667 6.5418 11.3801 Silicon starvation,12h 13.4637 13.4637 13.4637