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 0.62244 0.0 2.95359 233pM Fe,Midnight 0.34519666666666665 0.0 1.03559 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 2.0407113333333333 0.0 7.55618 High carbon,Light 0.77921 0.0 5.37972 Low carbon,Dark 10.8085 10.8085 10.8085 Phloroglucinol 6.46488 2.08401 10.5131 Silicon starvation,12h 4.73064 4.73064 4.73064