condition mean min max 12pM Fe,Midday 21.4563 21.4563 21.4563 12pM Fe,Midnight 22.1376 18.5948 25.6804 58pM Fe,Midday 13.5611 13.5611 13.5611 58pM Fe,Midnight 11.788185714285714 0.0 17.3764 233pM Fe,Midnight 4.6801433333333335 3.88162 5.40856 1160pM Fe,Midday 12.690308571428572 8.63447 15.1214 1160pM Fe,Midnight 5.349855833333333 4.07413 7.48065 High carbon,Dark 8.746464666666666 2.63268 22.0319 High carbon,Light 9.931502692307692 0.0 24.9124 Low carbon,Dark 18.263 18.263 18.263 Phloroglucinol 11.105346666666668 6.72254 14.9663 Silicon starvation,12h 20.928 20.928 20.928