condition mean min max 12pM Fe,Midday 33.7373 33.7373 33.7373 12pM Fe,Midnight 32.0364 32.0055 32.0673 58pM Fe,Midday 26.9634 26.9634 26.9634 58pM Fe,Midnight 19.00154285714286 0.0 23.0514 233pM Fe,Midnight 16.929666666666666 16.0787 17.5404 1160pM Fe,Midday 24.0095 21.7488 25.6402 1160pM Fe,Midnight 19.12601666666667 12.478 27.4997 High carbon,Dark 21.125946666666668 12.035 28.8872 High carbon,Light 26.927030769230768 13.241 42.6873 Low carbon,Dark 30.0636 30.0636 30.0636 Phloroglucinol 38.75416666666666 34.8609 42.7574 Silicon starvation,12h 57.1735 57.1735 57.1735