condition mean min max 12pM Fe,Midday 11.7624 11.7624 11.7624 12pM Fe,Midnight 7.84117 7.39585 8.28649 58pM Fe,Midday 13.7653 13.7653 13.7653 58pM Fe,Midnight 6.395032857142857 0.0 8.42429 233pM Fe,Midnight 8.94076 8.03416 9.85019 1160pM Fe,Midday 8.709334285714286 6.77651 10.4991 1160pM Fe,Midnight 7.912074166666667 3.82078 14.0498 High carbon,Dark 9.285554666666666 4.8884 13.7064 High carbon,Light 8.87607923076923 2.66132 19.6572 Low carbon,Dark 7.39876 7.39876 7.39876 Phloroglucinol 5.01194 2.85315 6.237 Silicon starvation,12h 6.90832 6.90832 6.90832