condition mean min max 12pM Fe,Midday 42.5523 42.5523 42.5523 12pM Fe,Midnight 19.7872 18.831 20.7434 58pM Fe,Midday 25.3686 25.3686 25.3686 58pM Fe,Midnight 8.709287142857143 0.0 11.4621 233pM Fe,Midnight 14.452466666666666 12.2296 15.7874 1160pM Fe,Midday 22.71112857142857 17.2978 29.909 1160pM Fe,Midnight 3.184705833333333 1.94101 4.90906 High carbon,Dark 12.913142 1.97409 26.5017 High carbon,Light 19.050037692307694 0.71067 49.8155 Low carbon,Dark 11.7695 11.7695 11.7695 Phloroglucinol 7.422163333333334 5.29506 9.15827 Silicon starvation,12h 28.6754 28.6754 28.6754