condition mean min max 12pM Fe,Midday 11.6428 11.6428 11.6428 12pM Fe,Midnight 11.576550000000001 10.2379 12.9152 58pM Fe,Midday 10.0568 10.0568 10.0568 58pM Fe,Midnight 12.37957142857143 10.0444 19.7088 233pM Fe,Midnight 7.343646666666666 6.59474 8.4251 1160pM Fe,Midday 16.37428 9.42376 19.482 1160pM Fe,Midnight 7.756525 6.55664 9.68341 High carbon,Dark 7.356749333333333 2.51696 17.2856 High carbon,Light 11.368863846153847 0.155546 27.4555 Low carbon,Dark 4.50454 4.50454 4.50454 Phloroglucinol 10.61576 8.40738 13.3546 Silicon starvation,12h 13.3118 13.3118 13.3118