condition mean min max 12pM Fe,Midday 63.968 63.968 63.968 12pM Fe,Midnight 64.9383 60.3152 69.5614 58pM Fe,Midday 51.6963 51.6963 51.6963 58pM Fe,Midnight 44.43967142857143 0.0 62.3295 233pM Fe,Midnight 48.09343333333333 45.7337 49.4139 1160pM Fe,Midday 40.004957142857144 33.7746 46.5229 1160pM Fe,Midnight 39.20385 25.8971 54.2295 High carbon,Dark 52.4616 25.1747 128.421 High carbon,Light 49.073487692307694 5.52329 87.8175 Low carbon,Dark 47.122 47.122 47.122 Phloroglucinol 54.94616666666666 39.8168 70.0208 Silicon starvation,12h 66.2403 66.2403 66.2403