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 0.19167 0.0 1.34169 233pM Fe,Midnight 0.0 0.0 0.0 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 8.804472 0.0 72.4319 High carbon,Light 0.16932846153846154 0.0 2.20127 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 1.3173 0.0 2.05855 Silicon starvation,12h 0.0 0.0 0.0