condition mean min max 12pM Fe,Midday 17.7834 17.7834 17.7834 12pM Fe,Midnight 29.7297 28.1857 31.2737 58pM Fe,Midday 22.7194 22.7194 22.7194 58pM Fe,Midnight 29.519771428571428 21.9296 39.7158 233pM Fe,Midnight 26.570433333333334 26.1942 26.9483 1160pM Fe,Midday 11.077757142857143 10.1316 12.3279 1160pM Fe,Midnight 15.923193333333334 9.79162 24.627 High carbon,Dark 23.275461333333332 9.34242 34.6637 High carbon,Light 14.012087692307691 5.74609 20.106 Low carbon,Dark 15.7475 15.7475 15.7475 Phloroglucinol 21.768433333333334 16.8646 24.7763 Silicon starvation,12h 22.1691 22.1691 22.1691