condition mean min max 12pM Fe,Midday 1.09149 1.09149 1.09149 12pM Fe,Midnight 1.12743 1.11975 1.13511 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.252119 0.0 0.921231 233pM Fe,Midnight 0.226583 0.0 0.679749 1160pM Fe,Midday 1.2254248571428572 0.0 1.80492 1160pM Fe,Midnight 0.07182424999999999 0.0 0.861891 High carbon,Dark 0.48046133333333335 0.0 2.19941 High carbon,Light 1.0779661538461538 0.0 6.12455 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.23002133333333333 0.0 0.690064 Silicon starvation,12h 0.0 0.0 0.0