condition mean min max 12pM Fe,Midday 6.90882 6.90882 6.90882 12pM Fe,Midnight 6.08636 6.05786 6.11486 58pM Fe,Midday 7.79139 7.79139 7.79139 58pM Fe,Midnight 3.5867085714285714 0.0 5.68711 233pM Fe,Midnight 4.82908 4.21824 5.14649 1160pM Fe,Midday 5.630991428571429 4.57924 6.50233 1160pM Fe,Midnight 2.6628308333333335 1.25919 3.87087 High carbon,Dark 4.42293 1.8318 8.03309 High carbon,Light 3.857960769230769 0.0 6.44461 Low carbon,Dark 3.52206 3.52206 3.52206 Phloroglucinol 5.3134966666666665 3.93967 6.3709 Silicon starvation,12h 14.4133 14.4133 14.4133