condition mean min max 12pM Fe,Midday 34.6758 34.6758 34.6758 12pM Fe,Midnight 22.649900000000002 20.0161 25.2837 58pM Fe,Midday 16.0177 16.0177 16.0177 58pM Fe,Midnight 13.779714285714286 0.0 20.6052 233pM Fe,Midnight 15.7065 13.1068 18.2387 1160pM Fe,Midday 15.864571428571429 14.293 18.6604 1160pM Fe,Midnight 9.0819225 6.07655 15.4681 High carbon,Dark 15.62236 10.6925 22.569 High carbon,Light 9.973002307692308 2.85714 23.1367 Low carbon,Dark 13.5409 13.5409 13.5409 Phloroglucinol 9.46222 6.69476 11.0891 Silicon starvation,12h 58.498 58.498 58.498