condition mean min max 12pM Fe,Midday 21.6156 21.6156 21.6156 12pM Fe,Midnight 0.6948765 0.280993 1.10876 58pM Fe,Midday 8.12877 8.12877 8.12877 58pM Fe,Midnight 1.6471161428571428 0.0 3.83934 233pM Fe,Midnight 1.067646 0.684328 1.34616 1160pM Fe,Midday 198.16771428571428 166.222 228.996 1160pM Fe,Midnight 0.9320868333333333 0.232291 1.67434 High carbon,Dark 1.2040722666666666 0.0 8.1366 High carbon,Light 2.475801 0.0 8.74131 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 6.423933333333334 2.94535 8.1995 Silicon starvation,12h 0.461198 0.461198 0.461198