condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.1760275 0.0 0.352055 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.0 0.0 0.0 233pM Fe,Midnight 0.14182033333333333 0.0 0.425461 1160pM Fe,Midday 0.040534 0.0 0.283738 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 0.36473333333333335 0.0 2.33907 High carbon,Light 0.25412315384615386 0.0 1.44419 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.2169593333333333 0.0 0.650878 Silicon starvation,12h 0.0 0.0 0.0