condition mean min max 12pM Fe,Midday 31.9421 31.9421 31.9421 12pM Fe,Midnight 22.95315 21.2193 24.687 58pM Fe,Midday 17.1436 17.1436 17.1436 58pM Fe,Midnight 22.750228571428572 14.907 62.0491 233pM Fe,Midnight 13.0808 12.0644 13.8052 1160pM Fe,Midday 20.990185714285715 19.3538 22.7295 1160pM Fe,Midnight 30.472691666666666 9.1584 51.5483 High carbon,Dark 16.672060000000002 3.93369 44.9549 High carbon,Light 22.033615384615384 2.95549 42.5048 Low carbon,Dark 10.3526 10.3526 10.3526 Phloroglucinol 28.062566666666665 19.1407 36.6865 Silicon starvation,12h 14.3009 14.3009 14.3009