condition mean min max 12pM Fe,Midday 15.9565 15.9565 15.9565 12pM Fe,Midnight 12.35515 11.5237 13.1866 58pM Fe,Midday 7.45173 7.45173 7.45173 58pM Fe,Midnight 8.897481428571428 0.0 12.3452 233pM Fe,Midnight 5.261376666666667 4.27853 6.59426 1160pM Fe,Midday 4.976135714285714 2.83668 7.51272 1160pM Fe,Midnight 5.719704166666666 4.43134 6.83197 High carbon,Dark 5.326302666666667 1.05375 11.7475 High carbon,Light 2.9776635384615386 0.300201 7.50696 Low carbon,Dark 5.76194 5.76194 5.76194 Phloroglucinol 5.975813333333334 4.62368 8.30438 Silicon starvation,12h 5.29594 5.29594 5.29594