condition mean min max 12pM Fe,Midday 31.1988 31.1988 31.1988 12pM Fe,Midnight 19.9837 19.5282 20.4392 58pM Fe,Midday 25.782 25.782 25.782 58pM Fe,Midnight 16.08617142857143 12.2145 18.0953 233pM Fe,Midnight 11.772266666666667 11.4379 12.2612 1160pM Fe,Midday 19.226385714285716 16.7975 20.2601 1160pM Fe,Midnight 10.964895 8.15611 13.9262 High carbon,Dark 11.307707333333333 3.21303 18.4893 High carbon,Light 8.629107153846153 0.578397 12.5973 Low carbon,Dark 8.3192 8.3192 8.3192 Phloroglucinol 10.84302 7.84201 15.9886 Silicon starvation,12h 11.026 11.026 11.026