condition mean min max 12pM Fe,Midday 24.6375 24.6375 24.6375 12pM Fe,Midnight 22.084200000000003 21.7545 22.4139 58pM Fe,Midday 20.5664 20.5664 20.5664 58pM Fe,Midnight 15.462742857142857 0.0 21.6838 233pM Fe,Midnight 15.599566666666666 12.391 19.3964 1160pM Fe,Midday 14.3282 11.7748 18.0692 1160pM Fe,Midnight 5.2336366666666665 2.67298 10.0906 High carbon,Dark 13.28295 1.66314 31.6811 High carbon,Light 10.101040769230769 0.0 32.5118 Low carbon,Dark 11.3307 11.3307 11.3307 Phloroglucinol 12.714206666666666 8.86782 16.458 Silicon starvation,12h 21.1592 21.1592 21.1592