condition mean min max 12pM Fe,Midday 6.52024 6.52024 6.52024 12pM Fe,Midnight 25.22155 20.3424 30.1007 58pM Fe,Midday 5.76942 5.76942 5.76942 58pM Fe,Midnight 16.655371428571428 0.0 28.8915 233pM Fe,Midnight 24.776133333333334 20.6424 28.4243 1160pM Fe,Midday 12.852802857142857 5.39102 16.6641 1160pM Fe,Midnight 15.420155833333334 3.51487 21.3566 High carbon,Dark 18.391437333333332 6.88149 32.386 High carbon,Light 9.400968461538461 0.0 21.4942 Low carbon,Dark 10.5952 10.5952 10.5952 Phloroglucinol 8.424356666666666 5.15278 11.2358 Silicon starvation,12h 32.4609 32.4609 32.4609