condition mean min max 12pM Fe,Midday 6.30685 6.30685 6.30685 12pM Fe,Midnight 3.26676 1.84861 4.68491 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 3.65855 0.0 6.84391 233pM Fe,Midnight 1.6900966666666668 1.67554 1.71144 1160pM Fe,Midday 2.739652857142857 1.46283 4.46965 1160pM Fe,Midnight 1.11941225 0.0 2.08313 High carbon,Dark 2.9674153333333333 0.0 9.02443 High carbon,Light 0.9005215384615384 0.0 5.82966 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 7.058273333333333 0.0 17.1875 Silicon starvation,12h 3.5884 3.5884 3.5884