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 6.89991e-09 6.89991e-09 6.89991e-09 58pM Fe,Midnight 1.1579214285714286e-08 0.0 6.18858e-08 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 2.022719e-08 0.0 9.42822e-08 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 0.054562266666666664 0.0 0.818434 High carbon,Light 0.018890923076923076 0.0 0.245582 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.41374 0.0 1.24122 Silicon starvation,12h 0.259142 0.259142 0.259142