condition mean min max 12pM Fe,Midday 31.2699 31.2699 31.2699 12pM Fe,Midnight 19.9599 19.2068 20.713 58pM Fe,Midday 27.4928 27.4928 27.4928 58pM Fe,Midnight 12.627185714285714 0.0 18.6594 233pM Fe,Midnight 12.296 11.4823 13.7461 1160pM Fe,Midday 24.2758 17.452 27.5427 1160pM Fe,Midnight 7.166723333333334 3.42461 9.58514 High carbon,Dark 13.223062 6.95541 21.8628 High carbon,Light 8.730401461538461 0.938039 13.961 Low carbon,Dark 8.09115 8.09115 8.09115 Phloroglucinol 15.0176 10.9829 20.2187 Silicon starvation,12h 36.0365 36.0365 36.0365