condition mean min max 12pM Fe,Midday 39.5114 39.5114 39.5114 12pM Fe,Midnight 16.05075 15.6226 16.4789 58pM Fe,Midday 39.1496 39.1496 39.1496 58pM Fe,Midnight 10.391001428571428 0.0 14.5588 233pM Fe,Midnight 12.088966666666666 11.3362 13.0119 1160pM Fe,Midday 34.895514285714285 32.3182 37.3113 1160pM Fe,Midnight 3.8518516666666667 2.16641 6.28693 High carbon,Dark 13.102108666666666 2.69224 38.8534 High carbon,Light 11.49569 0.0 26.0868 Low carbon,Dark 15.7167 15.7167 15.7167 Phloroglucinol 32.0284 21.4061 45.1456 Silicon starvation,12h 30.7939 30.7939 30.7939