condition mean min max 12pM Fe,Midday 60.2754 60.2754 60.2754 12pM Fe,Midnight 75.22655 71.9594 78.4937 58pM Fe,Midday 51.6825 51.6825 51.6825 58pM Fe,Midnight 47.48742857142857 0.0 62.0572 233pM Fe,Midnight 20.291966666666667 18.3516 22.0908 1160pM Fe,Midday 32.80962857142857 28.276 37.2671 1160pM Fe,Midnight 20.074425 15.005 24.9992 High carbon,Dark 47.484148 4.62749 101.036 High carbon,Light 28.540014615384617 2.28553 69.3649 Low carbon,Dark 47.6725 47.6725 47.6725 Phloroglucinol 3.067423333333333 2.50687 3.99754 Silicon starvation,12h 3.18669 3.18669 3.18669