condition mean min max 12pM Fe,Midday 0.466024 0.466024 0.466024 12pM Fe,Midnight 8.02388 7.80877 8.23899 58pM Fe,Midday 1.51198 1.51198 1.51198 58pM Fe,Midnight 8.628044285714285 0.0 13.6354 233pM Fe,Midnight 27.417033333333332 26.4585 29.0225 1160pM Fe,Midday 0.08432442857142858 0.0 0.244316 1160pM Fe,Midnight 15.467983333333333 1.67608 41.6467 High carbon,Dark 26.212202666666666 1.23103 56.4177 High carbon,Light 15.250077153846153 0.0 67.857 Low carbon,Dark 10.6018 10.6018 10.6018 Phloroglucinol 4.416993333333333 1.27673 7.10588 Silicon starvation,12h 20.3284 20.3284 20.3284