condition mean min max 12pM Fe,Midday 21.885 21.885 21.885 12pM Fe,Midnight 12.5124 12.3958 12.629 58pM Fe,Midday 13.6591 13.6591 13.6591 58pM Fe,Midnight 7.056767142857143 0.0 10.4815 233pM Fe,Midnight 5.864503333333333 5.71944 5.93876 1160pM Fe,Midday 11.945227142857142 8.49649 15.9126 1160pM Fe,Midnight 2.544906666666667 1.65654 3.48122 High carbon,Dark 5.7916273333333335 1.02356 12.4308 High carbon,Light 7.142342384615385 0.0 14.4059 Low carbon,Dark 4.44529 4.44529 4.44529 Phloroglucinol 4.559246666666667 4.20025 5.19196 Silicon starvation,12h 20.2343 20.2343 20.2343