condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.25490749999999995 0.253171 0.256644 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.05698057142857143 0.0 0.203655 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 0.12837986666666668 0.0 1.08356 High carbon,Light 0.027812846153846157 0.0 0.361567 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.5787696666666666 0.336266 0.936123 Silicon starvation,12h 0.0 0.0 0.0