condition mean min max 12pM Fe,Midday 6.93384 6.93384 6.93384 12pM Fe,Midnight 9.543 8.6531 10.4329 58pM Fe,Midday 3.68123 3.68123 3.68123 58pM Fe,Midnight 5.151988571428571 0.0 9.03159 233pM Fe,Midnight 8.00126 7.45032 8.78073 1160pM Fe,Midday 3.434191428571429 2.18107 5.78633 1160pM Fe,Midnight 4.111513333333333 2.34396 5.64828 High carbon,Dark 18.902742 2.48075 156.054 High carbon,Light 7.254917692307692 2.03179 12.895 Low carbon,Dark 2.25345 2.25345 2.25345 Phloroglucinol 1.59972 1.44831 1.88961 Silicon starvation,12h 12.6244 12.6244 12.6244