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 0.9201895714285714 0.0 4.72194 233pM Fe,Midnight 0.22443833333333332 0.0 0.673315 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.572415 0.0 1.79737 High carbon,Dark 2.9952373333333333 0.0 9.60334 High carbon,Light 0.35952153846153845 0.0 1.96903 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 1.8932033333333333 0.0 4.34692 Silicon starvation,12h 0.0 0.0 0.0